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ruby/configure.ac

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Этот файл содержит невидимые символы Юникода!

Этот файл содержит невидимые символы Юникода, которые могут быть отображены не так, как показано ниже. Если это намеренно, можете спокойно проигнорировать это предупреждение. Используйте кнопку Экранировать, чтобы показать скрытые символы.

dnl Process this file with autoconf to produce a configure script.
AC_INIT
{
AC_CONFIG_AUX_DIR(tool)
AC_PREREQ(2.67)
tooldir="$srcdir/tool"
AC_DISABLE_OPTION_CHECKING
m4_define([RUBY_M4_INCLUDED], [])dnl
AC_DEFUN([RUBY_M4_INCLUDE], [m4_include([tool/m4/$1])dnl
m4_append([RUBY_M4_INCLUDED], [ \
$(tooldir)/m4/$1])dnl
])
RUBY_M4_INCLUDE([_colorize_result_prepare.m4])dnl
RUBY_M4_INCLUDE([ac_msg_result.m4])dnl
RUBY_M4_INCLUDE([colorize_result.m4])dnl
RUBY_M4_INCLUDE([ruby_append_option.m4])dnl
RUBY_M4_INCLUDE([ruby_append_options.m4])dnl
RUBY_M4_INCLUDE([ruby_check_builtin_func.m4])dnl
RUBY_M4_INCLUDE([ruby_check_builtin_setjmp.m4])dnl
RUBY_M4_INCLUDE([ruby_check_header.m4])dnl
RUBY_M4_INCLUDE([ruby_check_printf_prefix.m4])dnl
RUBY_M4_INCLUDE([ruby_check_setjmp.m4])dnl
RUBY_M4_INCLUDE([ruby_check_signedness.m4])dnl
RUBY_M4_INCLUDE([ruby_check_sizeof.m4])dnl
RUBY_M4_INCLUDE([ruby_check_sysconf.m4])dnl
RUBY_M4_INCLUDE([ruby_cppoutfile.m4])dnl
RUBY_M4_INCLUDE([ruby_decl_attribute.m4])dnl
RUBY_M4_INCLUDE([ruby_default_arch.m4])dnl
RUBY_M4_INCLUDE([ruby_define_if.m4])dnl
RUBY_M4_INCLUDE([ruby_defint.m4])dnl
RUBY_M4_INCLUDE([ruby_dtrace_available.m4])dnl
RUBY_M4_INCLUDE([ruby_dtrace_postprocess.m4])dnl
RUBY_M4_INCLUDE([ruby_func_attribute.m4])dnl
RUBY_M4_INCLUDE([ruby_mingw32.m4])dnl
RUBY_M4_INCLUDE([ruby_prepend_option.m4])dnl
RUBY_M4_INCLUDE([ruby_prog_gnu_ld.m4])dnl
RUBY_M4_INCLUDE([ruby_prog_makedirs.m4])dnl
RUBY_M4_INCLUDE([ruby_replace_funcs.m4])dnl
RUBY_M4_INCLUDE([ruby_replace_type.m4])dnl
RUBY_M4_INCLUDE([ruby_require_funcs.m4])dnl
RUBY_M4_INCLUDE([ruby_rm_recursive.m4])dnl
RUBY_M4_INCLUDE([ruby_setjmp_type.m4])dnl
RUBY_M4_INCLUDE([ruby_shared_gc.m4])dnl
RUBY_M4_INCLUDE([ruby_stack_grow_direction.m4])dnl
RUBY_M4_INCLUDE([ruby_thread.m4])dnl
RUBY_M4_INCLUDE([ruby_try_cflags.m4])dnl
RUBY_M4_INCLUDE([ruby_try_cxxflags.m4])dnl
RUBY_M4_INCLUDE([ruby_try_ldflags.m4])dnl
RUBY_M4_INCLUDE([ruby_universal_arch.m4])dnl
RUBY_M4_INCLUDE([ruby_wasm_tools.m4])dnl
RUBY_M4_INCLUDE([ruby_werror_flag.m4])dnl
AS_IF([test "x${GITHUB_ACTIONS}" = xtrue],
[AC_REQUIRE([_COLORIZE_RESULT_PREPARE])dnl
dnl 93(bright yellow) is copied from .github/workflows/mingw.yml
begin_group() { AS_ECHO(["::group::@<:@93m$[]1@<:@m"]);}
end_group() { AS_ECHO(["::endgroup::"]);}
],
[dnl
begin_group() { :;}
end_group() { :;}
])
AC_ARG_VAR([cflags], [additional CFLAGS (ignored when CFLAGS is given)])dnl
AC_ARG_VAR([cppflags], [additional CPPFLAGS (ignored when CPPFLAGS is given)])dnl
AC_ARG_VAR([cxxflags], [additional CXXFLAGS (ignored when CXXFLAGS is given)])dnl
[begin]_group "environment section" && {
HAVE_BASERUBY=yes
BASERUBY_VERSION=
AC_ARG_WITH(baseruby,
AS_HELP_STRING([--with-baseruby=RUBY], [use RUBY as baseruby; RUBY is the pathname of ruby]),
[AS_CASE(["$withval"],
[*ruby*],[BASERUBY=$withval],
[no],[HAVE_BASERUBY=no],
[AC_MSG_ERROR(need ruby)])
],
[
AC_PATH_PROG([BASERUBY], [ruby], [false])
])
AS_IF([test "$HAVE_BASERUBY" != no], [
RUBYOPT=- $BASERUBY --disable=gems -rerb -rfileutils -rtempfile "${tooldir}/missing-baseruby.bat" || HAVE_BASERUBY=no
])
AS_IF([test "${HAVE_BASERUBY:=no}" != no], [
AS_CASE(["$build_os"], [mingw*], [
# Can MSys shell run a command with a drive letter?
RUBYOPT=- `cygpath -ma "$BASERUBY"` --disable=gems -e exit 2>/dev/null || HAVE_BASERUBY=no
])
RUBY_APPEND_OPTION(BASERUBY, "--disable=gems")
BASERUBY_VERSION=`$BASERUBY -v`
$BASERUBY -C "$srcdir" tool/downloader.rb -d tool -e gnu config.guess config.sub >&AS_MESSAGE_FD
])
AS_IF([test "$HAVE_BASERUBY" = no], [
AS_IF([test "$cross_compiling" = yes], [AC_MSG_ERROR([executable host ruby is required for cross-compiling])])
BASERUBY=${tooldir}/missing-baseruby.bat
])
AC_SUBST(BASERUBY)
AC_SUBST(HAVE_BASERUBY)
: ${GIT=git}
HAVE_GIT=yes
AC_ARG_WITH(git,
AS_HELP_STRING([--without-git], [never use git]),
[AS_CASE([$withval],
[no], [GIT=never-use HAVE_GIT=no],
[yes], [],
[GIT=$withval])])
AS_IF([test x"$HAVE_GIT" = xyes], [command -v "$GIT" > /dev/null || HAVE_GIT=no])
AC_SUBST(GIT)
AC_SUBST(HAVE_GIT)
eval `sed -n -e ['s/^@%:@define RUBY_[A-Z_]*VERSION_\([A-Z][A-Z][A-Z_0-9]*\) \([0-9][0-9]*\)$/\1=\2/p'] \
-e ['s/^@%:@define \(RUBY_ABI_VERSION\) \([0-9][0-9]*\).*/\1=\2/p'] \
-e ['s/^@%:@define \(RUBY_PATCHLEVEL\) \(.*\)/\1=\2/p'] \
$srcdir/include/ruby/internal/abi.h \
$srcdir/include/ruby/version.h $srcdir/version.h`
for v in MAJOR MINOR TEENY; do
AS_IF([eval "test \"\$$v\" = ''"], [
AC_MSG_ERROR(could not determine $v number from version.h)
])
done
AC_SUBST(MAJOR)
AC_SUBST(MINOR)
AC_SUBST(TEENY)
AC_SUBST(RUBY_API_VERSION, '$(MAJOR).$(MINOR)')
AC_SUBST(RUBY_PROGRAM_VERSION, '$(MAJOR).$(MINOR).$(TEENY)')
AS_CASE([$RUBY_PATCHLEVEL], [-*], [
AC_DEFINE_UNQUOTED(RUBY_ABI_VERSION, [${RUBY_ABI_VERSION}])
], [RUBY_ABI_VERSION=])
AS_IF([test "$program_prefix" = NONE], [
program_prefix=
])
AS_IF([test "$prefix" -ef .], [
AC_MSG_ERROR(--prefix cannot be the current working directory.)
])
RUBY_BASE_NAME=`echo ruby | sed "$program_transform_name"`
RUBYW_BASE_NAME=`echo rubyw | sed "$program_transform_name"`
AC_SUBST(RUBY_BASE_NAME)
AC_SUBST(RUBYW_BASE_NAME)
AC_SUBST(RUBY_VERSION_NAME, '${RUBY_BASE_NAME}-${ruby_version}')
dnl checks for alternative programs
AC_CANONICAL_BUILD
AC_CANONICAL_HOST
AC_CANONICAL_TARGET
AS_CASE(["$target_cpu-$target_os"],
[aarch64-darwin*], [
target_cpu=arm64
AS_CASE(["$target_vendor"], [unknown], [
target_vendor=apple
target=${target%%-unknown-*}-apple-${target@%:@*-unknown-}
])
target="arm64-${target@%:@aarch64-}"
AS_IF([test -n "$target_alias"], [target_alias="arm64-${target_alias@%:@aarch64-}"])
])
AC_ARG_PROGRAM
RUBY_RM_RECURSIVE
AC_ARG_WITH(gcc,
AS_HELP_STRING([--without-gcc], [never use gcc]),
[
AS_CASE([$withval],
[no], [: ${CC=cc}],
[yes], [: ${CC=gcc}],
[CC=$withval])])
dnl If the user switches compilers, we can't believe the cache
AS_IF([test ! -z "$ac_cv_prog_CC" -a ! -z "$CC" -a "$CC" != "$ac_cv_prog_CC"], [
AC_MSG_ERROR(cached CC is different -- throw away $cache_file
(it is also a good idea to do 'make clean' before compiling))
])
RUBY_WASM_TOOLS
AS_CASE(["${build_os}"],
[linux*|cygwin*|msys*], [
# Naruse prefers GCC on Linux
AC_CHECK_TOOLS([CC], [gcc clang cc])
],
[solaris*], [
# Clang on Solaris is largely untested.
# https://bugs.ruby-lang.org/issues/17949
AC_CHECK_TOOLS([CC], [cc gcc])
], [
# OpenBSD wants to prefer cc over gcc.
# See https://github.com/ruby/ruby/pull/2443
AC_CHECK_TOOLS([CC], [cl.exe clang cc gcc c99 /usr/ucb/cc])
])
AC_ARG_VAR([AR], [Archiver command])
AC_ARG_VAR([AS], [Assembler command])
AC_ARG_VAR([CC], [C compiler command])
AC_ARG_VAR([CXX], [C++ compiler command])
AC_ARG_VAR([LD], [Linker command])
AC_ARG_VAR([NM], [Symbol list command])
AC_ARG_VAR([OBJCOPY], [Objcopy command])
AC_ARG_VAR([OBJDUMP], [Objdump command])
AC_ARG_VAR([RANLIB], [Ranlib command])
AC_ARG_VAR([STRIP], [Strip command])
# We don't want to bother things like `ccache gcc`, `clang -shared-libgcc`, ...
set rb_dummy ${CC}
rb_CC=$2
AC_DEFUN([RUBY_CHECK_PROG_FOR_CC], [
rb_prog=`echo "${rb_CC}" | sed "$2"`
AC_CHECK_PROG([$1], [$rb_prog], [$rb_prog])
])
AS_CASE(["/${rb_CC} "],
[*@<:@\ /@:>@"cc "*], [
# Don't try g++/clang++ when CC=cc
AC_CHECK_PROGS([CXX], [cl.exe CC c++])
],
[*icc*], [
# Intel C++ has interprocedural optimizations. It tends to come with its
# own linker etc.
RUBY_CHECK_PROG_FOR_CC([AR], [s/icc/xiar/])
RUBY_CHECK_PROG_FOR_CC([CXX], [s/icc/icpc/])
RUBY_CHECK_PROG_FOR_CC([LD], [s/icc/xild/])
],
[*gcc*], [
# Ditto for GCC.
RUBY_CHECK_PROG_FOR_CC([LD], [s/gcc/ld/])
RUBY_CHECK_PROG_FOR_CC([AR], [s/gcc/gcc-ar/])
RUBY_CHECK_PROG_FOR_CC([CXX], [s/gcc/g++/])
RUBY_CHECK_PROG_FOR_CC([NM], [s/gcc/gcc-nm/])
RUBY_CHECK_PROG_FOR_CC([RANLIB], [s/gcc/gcc-ranlib/])
],
[*clang*], [
# Ditto for LLVM. Note however that llvm-as is a LLVM-IR to LLVM bitcode
# assembler that does not target your machine native binary.
# Xcode has its own version tools that may be incompatible with
# genuine LLVM tools, use the tools in the same directory.
AS_IF([$rb_CC -E -dM -xc - < /dev/null | grep -F __apple_build_version__ > /dev/null],
[llvm_prefix=], [llvm_prefix=llvm-])
# AC_PREPROC_IFELSE cannot be used before AC_USE_SYSTEM_EXTENSIONS
RUBY_CHECK_PROG_FOR_CC([LD], [s/clang/ld/]) # ... maybe try lld ?
RUBY_CHECK_PROG_FOR_CC([AR], [s/clang/${llvm_prefix}ar/])
# RUBY_CHECK_PROG_FOR_CC([AS], [s/clang/${llvm_prefix}as/])
RUBY_CHECK_PROG_FOR_CC([CXX], [s/clang/clang++/])
RUBY_CHECK_PROG_FOR_CC([NM], [s/clang/${llvm_prefix}nm/])
RUBY_CHECK_PROG_FOR_CC([OBJCOPY], [s/clang/${llvm_prefix}objcopy/])
RUBY_CHECK_PROG_FOR_CC([OBJDUMP], [s/clang/${llvm_prefix}objdump/])
RUBY_CHECK_PROG_FOR_CC([RANLIB], [s/clang/${llvm_prefix}ranlib/])
RUBY_CHECK_PROG_FOR_CC([STRIP], [s/clang/${llvm_prefix}strip/])
])
AS_UNSET(rb_CC)
AS_UNSET(rb_dummy)
AS_CASE(["${build_os}"],
[solaris*], [
AC_PATH_TOOL([LD], [ld], [/usr/ccs/bin/ld], [/usr/ccs/bin:$PATH])
],
[aix*], [
AC_PATH_TOOL([NM], [nm], [/usr/ccs/bin/nm], [/usr/ccs/bin:$PATH])
])
AS_CASE(["${target_os}"],
[cygwin*|msys*|mingw*|darwin*], [
ac_cv_prog_ac_ct_OBJCOPY=":"
])
rb_test_CFLAGS=${CFLAGS+yes}
rb_test_CXXFLAGS=${CXXFLAGS+yes}
# BSD's ports and MacPorts prefix GNU binutils with 'g'
dnl Seems necessarily in order to add -std=gnu99 option for gcc 4.9.
m4_version_prereq([2.70], [AC_PROG_CC], [AC_PROG_CC_C99])
AC_PROG_CXX
AC_PROG_CPP
AC_PROG_RANLIB
AC_CHECK_TOOLS([AR], [gar ar])
AC_CHECK_TOOLS([AS], [gas as])
AC_CHECK_TOOLS([LD], [gld ld]) # ... try gold ?
AC_CHECK_TOOLS([NM], [gnm nm])
AC_CHECK_TOOLS([OBJCOPY], [gobjcopy objcopy], [:])
AC_CHECK_TOOLS([OBJDUMP], [gobjdump objdump])
AC_CHECK_TOOLS([STRIP], [gstrip strip], [:])
# nm errors with Rust's LLVM bitcode when Rust uses a newer LLVM version than nm.
# In case we're working with llvm-nm, tell it to not worry about the bitcode.
AS_IF([${NM} --help 2>&1 | grep -q 'llvm-bc'], [NM="$NM --no-llvm-bc"])
AS_IF([test ! $rb_test_CFLAGS], [AS_UNSET(CFLAGS)]); AS_UNSET(rb_test_CFLAGS)
AS_IF([test ! $rb_test_CXXFLAGS], [AS_UNSET(CXXFLAGS)]); AS_UNSET(rb_save_CXXFLAGS)
AS_IF([test "${CXX}" = "g++" -a -z "${GXX}"], [
# AC_PROG_CXX sets $CXX to "g++" when it purposefully finds that there is
# _no_ g++. This brain-damaged design must be worked around. Thankfully,
# similar thing doesn't happen for AC_PROG_CC.
rb_there_is_in_fact_no_gplusplus_but_autoconf_is_cheating_us=true
])
test x"$target_alias" = x &&
target_os=`echo $target_os | sed 's/linux-gnu$/linux/;s/linux-gnu/linux-/'`
ac_install_sh='' # unusable for extension libraries.
AC_ARG_WITH(os-version-style,
AS_HELP_STRING([--with-os-version-style=TYPE],
[OS version number for target and target_os [[full]]]
[(full|teeny|minor+0|minor|major+0|major|none)]),
[os_version_style=$withval],
[os_version_style=full
AS_CASE($target_os, [[*[0-9].*]],
[AS_CASE([`/usr/bin/ruby -e 'puts RUBY_PLATFORM' 2>/dev/null`],
[[*-*[0-9].*.0]], [os_version_style=minor+0],
[[*-*[0-9].*.*]], [os_version_style=full],
[[*-*[0-9].0] ], [os_version_style=major+0],
[[*-*[0-9].*] ], [os_version_style=minor],
[[*-*[0-9]] ], [os_version_style=major],
)])
])
os_version_style_transform=
AS_CASE("${os_version_style}",
[full|teeny], [],
[minor+0], [os_version_style_transform=['s/\([0-9]\.[0-9][0-9]*\)\.[0-9][.0-9]*$/\1.0/']],
[minor], [os_version_style_transform=['s/\([0-9]\.[0-9][0-9]*\)\.[0-9][.0-9]*$/\1/']],
[major+0], [os_version_style_transform=['s/\([0-9]\)\.[0-9][.0-9]*$/\1.0/']],
[major], [os_version_style_transform=['s/\([0-9]\)\.[0-9][.0-9]*$/\1/']],
[none], [os_version_style_transform=['s/[0-9]*\.[0-9][.0-9]*$//']],
[AC_MSG_ERROR(unknown --with-os-version-style: $withval)])
AS_IF([test -z "$target_alias" -a -n "$os_version_style_transform"],
[
target=`echo ${target} | sed "$os_version_style_transform"`
target_os=`echo ${target_os} | sed "$os_version_style_transform"`
])
AC_ARG_WITH(arch,
AS_HELP_STRING([--with-arch=ARCHS],
[build an Apple/NeXT Multi Architecture Binary (MAB);
ARCHS is a comma-delimited list of architectures for
which to build; if this option is disabled or omitted
entirely, then the package will be built only for the
target platform]),
[target_archs="$withval"], [unset target_archs])
AC_ARG_ENABLE(load-relative,
AS_HELP_STRING([--enable-load-relative], [resolve load paths at run time]),
[load_relative=$enableval])
# checks for UNIX variants that set C preprocessor variables
AC_USE_SYSTEM_EXTENSIONS
dnl Checks for programs.
cflagspat=
test -z "$optflags" ||
cflagspat="$cflagspat;s|"`eval echo '"'"${optflags}"'"' | sed 's/[[][|.*]]/\\&/g;s/^ */ /;s/ *$/ /'`'| |g'
test -z "$debugflags" ||
cflagspat="$cflagspat;s|"`eval echo '"'"${debugflags}"'"' | sed 's/[[][|.*]]/\\&/g;s/^ */ /;s/ *$/ /'`'| |g'
test -z "$warnflags" ||
cflagspat="$cflagspat;s|"`eval echo '"'"${warnflags}"'"' | sed 's/[[][|.*]]/\\&/g;s/^ */ /;s/ *$/ /'`'| |g'
AS_IF([test -z "${CFLAGS+set}"], [
cflags=`echo " $cflags " | sed "$cflagspat;s/^ *//;s/ *$//"`
orig_cflags="$cflags"
cflags='${hardenflags} '"$cflags "'${optflags} ${debugflags} ${warnflags}'
])
dnl AS_IF([test -z "${CXXFLAGS+set}"], [
dnl cxxflags=`echo " $cxxflags " | sed "$cflagspat;s/^ *//;s/ *$//"`
dnl orig_cxxflags="$cxxflags"
dnl cxxflags="$cxxflags "'${optflags} ${debugflags} ${warnflags}'
dnl ])
AS_CASE(["$host_os:$build_os"],
[darwin*:darwin*], [
# Following Apple deployed clang are broken
# clang version 1.0 (http://llvm.org/svn/llvm-project/cfe/tags/Apple/clang-23 exported)
# Apple clang version 2.0 (tags/Apple/clang-137) (based on LLVM 2.9svn)
# Apple clang version 2.1 (tags/Apple/clang-163.7.1) (based on LLVM 3.0svn)
AC_PREPROC_IFELSE(
[AC_LANG_PROGRAM([
@%:@if defined __APPLE_CC__ && defined __clang_major__ && __clang_major__ < 3
@%:@error premature clang
@%:@endif
])],
[],
[AC_MSG_ERROR([clang version 3.0 or later is required])])
])
AS_CASE(["$target_os"],
[darwin*], [
AC_MSG_CHECKING(if minimum required OS X version is supported)
AC_PREPROC_IFELSE([AC_LANG_SOURCE([[@%:@include <AvailabilityMacros.h>
@%:@if MAC_OS_X_VERSION_MIN_REQUIRED < __MAC_10_5
@%:@error pre OS X 10.5
[!<===== pre OS X 10.5 =====>]
@%:@endif
]])],
[AC_MSG_RESULT(yes)],
[AC_MSG_RESULT(no)
AC_MSG_ERROR([Unsupported OS X version is required])])
])
RUBY_MINGW32
AC_SUBST(GCC)
AC_SUBST(LD)
AS_IF([test "$GCC" = yes], [
linker_flag=-Wl,
: ${optflags=-O3}
gcc_major=`echo =__GNUC__ | $CC -E -xc - | sed '/^=/!d;s///'`
gcc_minor=`echo =__GNUC_MINOR__ | $CC -E -xc - | sed '/^=/!d;s///'`
test -n "$gcc_major" || gcc_major=0
test -n "$gcc_minor" || gcc_minor=0
icc_version=`echo =__ICC | $CC -E -xc - | sed '/^=/!d;s///;/^__ICC/d'`
test -n "$icc_version" || icc_version=0
# RUBY_APPEND_OPTIONS(XCFLAGS, ["-include ruby/config.h" "-include ruby/missing.h"])
AS_IF([test "$gcc_major" -lt 4], [
AC_MSG_ERROR([too old GCC: $gcc_major.$gcc_minor])
])
], [
linker_flag=
])
RUBY_PROG_GNU_LD
RUBY_CPPOUTFILE
: ${OUTFLAG='-o '}
: ${COUTFLAG=${OUTFLAG}}
: ${CSRCFLAG=''}
AC_SUBST(OUTFLAG)
AC_SUBST(COUTFLAG)
AC_SUBST(CSRCFLAG)
AS_CASE(["$build_os"],
[darwin*], [
# gcc 13 warns duplicate -l options, which are added by the
# default spec.
# Xcode linker warns for deprecated architecture and wrongly
# installed TBD files.
AC_MSG_CHECKING(for $CC linker warning)
suppress_ld_waring=no
echo 'int main(void) {return 0;}' > conftest.c
AS_IF([$CC -framework Foundation -o conftest conftest.c 2>&1 |
grep \
-e '^ld: warning: ignoring duplicate libraries:' \
-e '^ld: warning: text-based stub file' \
-e '^ld: warning: -multiply_defined is obsolete' \
>/dev/null], [
suppress_ld_waring=yes
])
rm -fr conftest*
test $suppress_ld_waring = yes && warnflags="${warnflags:+${warnflags} }-Wl,-w"
AC_MSG_RESULT($suppress_ld_waring)
])
AS_CASE(["$target_os"],
[wasi*], [
# Clang linker automatically uses wasm-opt with -O if it found.
# https://github.com/llvm/llvm-project/blob/812828984c10857a4cd260eb638c52a4411f9143/clang/lib/Driver/ToolChains/WebAssembly.cpp#L95-L118
# However optimization before asyncify causes misoptimization,
# so wrap clang to insert our fake wasm-opt, which does nothing, in PATH.
CC_WRAPPER=`cd -P "${tooldir}" && pwd`/wasm-clangw
CC="$CC_WRAPPER $CC"
])
cc_version=
for option in --version -v -V -qversion; do
cc_version_message=`$CC $option 2>&1`
cc_version_status=$?
AS_CASE($cc_version_status, [0], [:], [continue])
AS_CASE($cc_version_message, [*Warning*], [continue])
cc_version='$(CC) '$option
break
done
AC_SUBST(CC_VERSION, $cc_version)
AC_SUBST(CC_VERSION_MESSAGE, $cc_version_message)
: ${DLDFLAGS="$LDFLAGS"}
RUBY_UNIVERSAL_ARCH
AS_IF([test "$target_cpu" != "$host_cpu" -a "$GCC" = yes -a "${universal_binary:-no}" = no], [
RUBY_DEFAULT_ARCH($target_cpu)
])
host_os=$target_os
host_vendor=$target_vendor
host_cpu=$target_cpu
host=$target
host_alias=$target_alias
AC_CACHE_CHECK([for $AR flags], [rb_cv_arflags], [
AS_IF([$AR rcD conftest.a > /dev/null 2>&1 && rm conftest.a],
[rb_cv_arflags=rcD], [rb_cv_arflags=rcu])
])
AC_SUBST(ARFLAGS, ["$rb_cv_arflags "])
AS_CASE(["$target_os"],
[cygwin*|msys*|mingw*], [
AC_CHECK_TOOL(WINDRES, windres)
AC_CHECK_TOOL(DLLWRAP, dllwrap)
target=`echo $target | sed "s/^$target_cpu-/-/"`
target_alias=`echo $target_alias | sed "s/^$target_cpu-/-/"`
target_cpu=`echo $target_cpu | sed s/i.86/i386/`
AS_CASE(["$target"], [-*], [ target="$target_cpu${target}"])
AS_CASE(["$target_alias"], [-*], [ target_alias="$target_cpu${target_alias}"])
AS_CASE(["$target_os"],
[mingw*], [
test "$rb_cv_msvcrt" = "" && unset rb_cv_msvcrt
AC_CACHE_CHECK(for mingw32 runtime DLL, rb_cv_msvcrt, [
AC_LINK_IFELSE([AC_LANG_PROGRAM([[@%:@include <stdio.h>]],
[[FILE* volatile f = stdin; return 0;]])],
[rb_cv_msvcrt=`$OBJDUMP -p conftest$ac_exeext |
tr A-Z a-z |
sed -n '/^[[ ]]*dll name: \(msvc.*\)\.dll$/{s//\1/p;q;};
/^[[ ]]*dll name: \(ucrtbase\|api-ms-win-crt-.*\)\.dll$/{s//ucrt/p;q;}'`],
[rb_cv_msvcrt=msvcrt])
test "$rb_cv_msvcrt" = "" && rb_cv_msvcrt=msvcrt])
RT_VER=`echo "$rb_cv_msvcrt" | tr -cd [0-9]`
test "$RT_VER" = "" && RT_VER=60
test "$rb_cv_msvcrt" = "ucrt" && RT_VER=140
AC_DEFINE_UNQUOTED(RUBY_MSVCRT_VERSION, $RT_VER)
sysconfdir=
])
rb_cv_binary_elf=no
: ${enable_shared=yes}
AS_IF([$WINDRES --version | grep LLVM > /dev/null], [USE_LLVM_WINDRES=yes], [USE_LLVM_WINDRES=no])
],
[hiuxmpp*], [AC_DEFINE(__HIUX_MPP__)]) # by TOYODA Eizi <toyoda@npd.kishou.go.jp>
AC_PROG_LN_S
AC_PROG_MAKE_SET
AC_PROG_INSTALL
AS_CASE(["$target_os"],[openbsd*],[
ac_cv_path_mkdir="mkdir"
])
RUBY_PROG_MAKEDIRS
AC_CHECK_PROG([DTRACE], [${ac_tool_prefix}dtrace], [${ac_tool_prefix}dtrace])
AS_IF([test "$cross_compiling:$ac_cv_prog_DTRACE" = no: -a -n "$ac_tool_prefix"], [
AC_CHECK_PROG([DTRACE], [dtrace], [dtrace])
])
AC_CHECK_PROGS(DOT, dot)
AC_CHECK_PROGS(DOXYGEN, doxygen)
tool_warned=$ac_tool_warned ac_tool_warned=no
AC_CHECK_TOOL(PKG_CONFIG, pkg-config)
ac_tool_warned=$tool_warned
AS_IF([test -z "$PKG_CONFIG"], [],
["$PKG_CONFIG" --print-errors --version > /dev/null 2>&1], [],
[
unset ac_cv_prog_PKG_CONFIG
PKG_CONFIG=
AC_MSG_WARN([$PKG_CONFIG does not work; ignore])
])
AC_MSG_CHECKING([whether it is Android])
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
@%:@ifndef __ANDROID__
@%:@error Not android
@%:@endif
]], [[]])],
[
AC_MSG_RESULT(yes)
target_os=${target_os}-android
AS_IF([test "x$cross_compiling" = xno], [
AC_MSG_CHECKING([for Android API version])
# hacky workaround: https://github.com/termux/termux-packages/issues/6176
rb_android_api=`getprop ro.build.version.sdk`
AC_MSG_RESULT($rb_android_api)
RUBY_APPEND_OPTIONS(CPPFLAGS, -D__ANDROID_API__=$rb_android_api -Wno-macro-redefined)
])
],
[AC_MSG_RESULT(no)])
AC_SUBST(RM, ['rm -f'])
AC_SUBST(CP, ['cp'])
RMDIRS='$(top_srcdir)/tool/rmdirs'
RMDIR=rmdir
mkdir "rmdirs_$$_test" "rmdirs_$$_test/a"
rmdir --ignore-fail-on-non-empty "rmdirs_$$_test" 2>/dev/null &&
RMDIR='rmdir --ignore-fail-on-non-empty'
$RMDIR -p "rmdirs_$$_test/a" 2>/dev/null &&
{ test -d "rmdirs_$$_test" || RMDIRS="$RMDIR -p"; }
rmdir "rmdirs_$$_test/a" "rmdirs_$$_test" 2>/dev/null
AC_SUBST(RMDIR)
AC_SUBST(RMDIRS)
AC_SUBST(RMALL, ['rm -fr'])
AC_MSG_CHECKING([for cd using physical directory])
rm -fr conf$$.dir
mkdir conf$$.dir &&
(cd conf$$.dir && mkdir src build && cd src &&
$as_ln_s ../build . > /dev/null 2>&1 && cd build &&
for chdir in 'cd -P' 'PWD= cd'; do
/bin/sh -c "$chdir ../src && echo '$chdir' > cdcmd" 2> /dev/null && break
done)
AS_IF([test -f conf$$.dir/src/cdcmd], [
read CHDIR < conf$$.dir/src/cdcmd 2> /dev/null
], [
CHDIR=cd
])
rm -fr conf$$.dir
AC_MSG_RESULT([$CHDIR])
AC_SUBST(CHDIR)
}
[begin]_group "compiler section" && {
RUBY_WERROR_FLAG([
AC_MSG_CHECKING([whether CFLAGS is valid])
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])],
[AC_MSG_RESULT(yes)],
[
AC_MSG_RESULT(no)
AC_MSG_ERROR([something wrong with CFLAGS="$CFLAGS"])
]
)
AC_MSG_CHECKING([whether LDFLAGS is valid])
{
mkdir tmp.$$.try_link &&
cd tmp.$$.try_link &&
cp ../confdefs.h . &&
echo '<?xml?><plist><dict><key>CFBundleIdentifier</key><string></string></dict></plist>' > Info.plist &&
:
} || AC_MSG_ERROR([failed to make temporary directory])
AC_LINK_IFELSE([AC_LANG_PROGRAM([[]], [[]])],
[AC_MSG_RESULT(yes)],
[
cd .. && rm -fr tmp.$$.try_link
AC_MSG_RESULT(no)
AC_MSG_ERROR([something wrong with LDFLAGS="$LDFLAGS"])
]
)
cd .. && rm -fr tmp.$$.try_link
])
: "rpath" && {
AC_CACHE_CHECK(whether ELF binaries are produced, rb_cv_binary_elf,
[AC_LINK_IFELSE([AC_LANG_PROGRAM([[]], [[]])],[
AS_CASE(["`head -1 conftest$EXEEXT | tr -dc '\177ELF' | tr '\177' .`"],
[.ELF*], [rb_cv_binary_elf=yes], [rb_cv_binary_elf=no])],
[rb_cv_binary_elf=no])])
rpathflag=''
AS_IF([test x"${RPATHFLAG=}" = x], [
AS_CASE(["$target_os"],
[aix*], [rpathflag='-blibpath:'],
[for rpathflag in "-rpath " -R; do
AS_CASE("$rpathflag",
[*" "], [AS_CASE(["${linker_flag}"],
[*,], [rpathflag=`echo "$rpathflag" | tr ' ' ,`])])
rpathflag="${linker_flag}${rpathflag}"
RUBY_TRY_LDFLAGS([${rpathflag}.], [], [rpathflag=])
AS_IF([test "x${rpathflag}" != x], [break])
done])
], [
rpathflag=`echo "$RPATHFLAG" | sed 's/%.*//'`
])
AC_ARG_ENABLE(rpath,
AS_HELP_STRING([--enable-rpath], [embed run path into extension libraries.
enabled by default on ELF platforms]),
[enable_rpath=$enableval], [enable_rpath="$rb_cv_binary_elf"])
AS_IF([test "$enable_rpath:${RPATHFLAG}" = yes:], [
RPATHFLAG="${rpathflag:+ ${rpathflag}%1\$-s}"
])
AS_CASE([${RPATHFLAG}],[*'%1$'*],[: ${LIBPATHFLAG=' -L%1$-s'}],[: ${LIBPATHFLAG=' -L%s'}])
}
RUBY_TRY_LDFLAGS(-fdeclspec, [fdeclspec=yes], [fdeclspec=no])
AS_IF([test "$fdeclspec" = yes], [
RUBY_APPEND_OPTIONS(CFLAGS, -fdeclspec)
RUBY_APPEND_OPTIONS(cflags, -fdeclspec)
RUBY_APPEND_OPTIONS(orig_cflags, -fdeclspec)
])
RUBY_TRY_CXXFLAGS(-fdeclspec, [fdeclspec=yes], [fdeclspec=no])
AS_IF([test "$fdeclspec" = yes], [
RUBY_APPEND_OPTIONS(CXXFLAGS, -fdeclspec)
])
AC_ARG_ENABLE(devel,
AS_HELP_STRING([--enable-devel], [enable development build]),
[RUBY_DEVEL=$enableval],
[AS_IF([test "x${RUBY_DEVEL-no}" != xyes], [RUBY_DEVEL=])]
)dnl
AC_SUBST(RUBY_DEVEL)
particular_werror_flags=${RUBY_DEVEL:-no}
AC_ARG_ENABLE(werror,
AS_HELP_STRING([--disable-werror],
[don't make warnings into errors
even if a compiler support -Werror feature
[[disabled by default unless development version]]]),
[particular_werror_flags=$enableval])
rb_cv_warnflags="$warnflags"
AS_CASE(["$GCC:${warnflags+set}:${extra_warnflags:+set}:"],
[yes::*|yes:*:set:], [# GCC && (!warnflags || extra_warnflags)
AS_IF([test $gcc_major -le 6], [
extra_warnflags="$extra_warnflags -Wno-maybe-uninitialized"
])
AS_CASE([ $CFLAGS ], [*" -save-temps="*|*" -save-temps "*], [], [
extra_warnflags="$extra_warnflags -Werror=misleading-indentation"
])
# ICC doesn't support -Werror=
AS_IF([test $icc_version -gt 0], [
particular_werror_flags=no
])
for wflag in \
-Werror=extra-tokens \
-Werror=deprecated-declarations \
-Werror=division-by-zero -Werror=div-by-zero \
-Werror=duplicated-cond \
-Werror=implicit-function-declaration \
-Werror=implicit-int \
-Werror=pointer-arith \
-Werror=shorten-64-to-32 \
-Werror=write-strings \
-Werror=old-style-definition \
-Wimplicit-fallthrough=0 \
-Wmissing-noreturn \
-Wno-cast-function-type \
-Wno-constant-logical-operand \
-Wno-long-long \
-Wno-missing-field-initializers \
-Wno-overlength-strings \
-Wno-packed-bitfield-compat \
-Wno-parentheses-equality \
-Wno-self-assign \
-Wno-tautological-compare \
-Wno-unused-parameter \
-Wno-unused-value \
-Wsuggest-attribute=format \
-Wsuggest-attribute=noreturn \
-Wunused-variable \
-diag-disable=175,188,1684,2259,2312 \
$extra_warnflags \
; do
AS_IF([test "$particular_werror_flags" != yes], [
wflag=`echo x$wflag | sed 's/^x-Werror=/-W/;s/^x//'`
])
ok=no
RUBY_TRY_CFLAGS($wflag, [
RUBY_APPEND_OPTIONS(warnflags, $wflag)
ok=yes
])
AS_CASE([$ok:$wflag], [no:-Werror=*], [
wflag=`echo x$wflag | sed 's/^x-Werror=/-W/'`
RUBY_TRY_CFLAGS($wflag, [
RUBY_APPEND_OPTIONS(warnflags, $wflag)
particular_werror_flags=no
])
])
done
AS_IF([test "$particular_werror_flags" = "yes"], [
wflag=-Werror=undef
], [
wflag=-Wundef
])
RUBY_TRY_CFLAGS($wflag, [
RUBY_APPEND_OPTIONS(warnflags, $wflag)
], [], [
@%:@if !defined(RUBY_CONFIG_TEST_NEVER_DEFINED_SYMBOL)
@%:@elif RUBY_CONFIG_TEST_NEVER_DEFINED_SYMBOL
@%:@endif
])
AS_CASE([" $warnflags "],[*" -Wno-missing-field-initializers "*], [wflag="-Wall -Wextra"],
[wflag=-Wall])
RUBY_TRY_CFLAGS($wflag, [warnflags="$wflag${warnflags+ $warnflags}"])
# Disable warnflags while conftest. -Werror=* flags might make bad OS capability guess.
rb_cv_warnflags="$warnflags"
warnflags=
])
RUBY_TRY_CFLAGS(-Qunused-arguments, [RUBY_APPEND_OPTIONS(rb_cv_wsuppress_flags, -Qunused-arguments)])
AC_COMPILE_IFELSE([
AC_LANG_PROGRAM([
@%:@if !(defined(__SUNPRO_C)||defined(__SUNPRO_CC))
@%:@error not sunpro
@%:@endif],[])], [
for e in \
E_STATEMENT_NOT_REACHED \
E_INIT_SIGN_EXTEND \
E_INIT_DOES_NOT_FIT \
E_INITIALIZATION_TYPE_MISMATCH
do
RUBY_TRY_CFLAGS([-erroff=${e}], [
RUBY_APPEND_OPTIONS(rb_cv_warnflags, [-erroff=${e}])
])
done
])
AC_ARG_WITH(compress-debug-sections,
AS_HELP_STRING([--with-compress-debug-sections=type],
[enable debug section compression]),
[compress_debug_sections=$withval], [compress_debug_sections=])
AS_IF([test "$GCC" = yes], [
# -D_FORTIFY_SOURCE
# When defined _FORTIFY_SOURCE, glibc enables some additional sanity
# argument check. The performance drop is very little and Ubuntu enables
# _FORTIFY_SOURCE=2 by default. So, let's support it for protecting us from
# a mistake of silly C extensions.
# TODO: check if link succeeds with _FORTIFY_SOURCE=2.
AS_CASE(["$target_os"],
[mingw*], [
fortify_source=no
])
AC_ARG_ENABLE(fortify_source,
AS_HELP_STRING([--disable-fortify-source],
[disable -D_FORTIFY_SOURCE=2 option, which causes link error on mingw]),
[fortify_source=$enableval])
AS_IF([test "x$fortify_source" != xno], [
RUBY_TRY_CFLAGS([$optflags -D_FORTIFY_SOURCE=2],
[RUBY_PREPEND_OPTION(hardenflags, -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2)], [],
[@%:@include <stdio.h>])
])
# -fstack-protector
AS_CASE(["$target_os"],
[emscripten*|wasi*], [
stack_protector=no
])
AS_IF([test -z "${stack_protector+set}"], [
AS_FOR(option, opt, [-fstack-protector-strong -fstack-protector], [
RUBY_TRY_CFLAGS(option, [stack_protector=yes])
AS_IF([test "x$stack_protector" = xyes], [
RUBY_TRY_LDFLAGS(option, [], [stack_protector=])
])
AS_IF([test "x$stack_protector" = xyes], [stack_protector=option; break])
])
])
AC_MSG_CHECKING([for -fstack-protector])
AC_MSG_RESULT(["$stack_protector"])
AS_CASE(["$stack_protector"], [-*], [
RUBY_PREPEND_OPTION(hardenflags, $stack_protector)
RUBY_APPEND_OPTION(XLDFLAGS, $stack_protector)
RUBY_APPEND_OPTION(LDFLAGS, $stack_protector)
])
# aarch64 branch protection
AS_CASE(["$target_cpu"], [aarch64|arm64], [
# LLVM libunwind is not actually capable of unwinding code compiled with pointer
# authentication unless it's built without LIBUNWIND_ENABLE_CROSS_UNWINDING (see
# https://github.com/llvm/llvm-project/blob/8e35c86977ce5529a9387657321ac9fefcdae5b5/libunwind/src/DwarfInstructions.hpp#L294)
# It seems that macOS ships LLVM compiled this way.
# Detect this and disable automatic insertion of pac-ret flags in that case, since we assume
# that reliable backtraces are more important than hardening flags.
AC_MSG_CHECKING([for a broken LLVM libunwind that cannot unwind code with RA signing])
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
@%:@include <libunwind.h>
int foo = UNW_ECROSSRASIGNING;
]])],
# If compilation succeeds, that means we a) had libunwind, and b) it was NOT native only
[rb_cv_libunwind_broken_ra_signing=yes],
# if compilation fails, that means we either a) do not have libunwind, or b) have it in
# native only mode (which is good!)
[rb_cv_libunwind_broken_ra_signing=no]
)
AC_MSG_RESULT(["$rb_cv_libunwind_broken_ra_signing"])
AS_IF([test "x$rb_cv_libunwind_broken_ra_signing" = "xno"], [
AS_FOR(option, opt, [-mbranch-protection=pac-ret -msign-return-address=all], [
# Try these flags in the _prepended_ position - i.e. we want to try building a program
# with CFLAGS="-mbranch-protection=pac-ret $CFLAGS". If the builder has provided different
# branch protection flags in CFLAGS, we don't want to overwrite those. We just want to
# find some branch protection flags which work if none were provided.
RUBY_TRY_CFLAGS_PREPEND(option, [branch_protection=yes], [branch_protection=no])
AS_IF([test "x$branch_protection" = xyes], [
# _prepend_ the options to CFLAGS, so that user-provided flags will overwrite them.
# These CFLAGS are used during the configure script to compile further test programs;
# however, $harden_flags is prepended separately to CFLAGS at the end of the script.
RUBY_PREPEND_OPTION(hardenflags, $opt)
break
])
])
])
])
AS_CASE("${compress_debug_sections:-zlib}",
[none|no], [], [
RUBY_TRY_LDFLAGS(${linker_flag}--compress-debug-sections=${compress_debug_sections:-zlib},
[compress_debug_sections=${compress_debug_sections:-zlib}],
[compress_debug_sections=no])
])
AS_IF([test "x$compress_debug_sections" != xno], [
RUBY_APPEND_OPTION(DLDFLAGS, ${linker_flag}--compress-debug-sections=$compress_debug_sections)
])
AS_CASE(["$target_os"],[mingw*], [
# On Windows platforms, system provided headers are VC++
# optimized. That is, C++ habits are often contaminated into
# various headers. Most frequent situation is the use of //
# comments. We bypass ANSI C mode for them. Otherwise
# extension libs cannot include those headers.
# Since math.h in some mingw64 wrongly declares frexp and modf
# to be pure, the variables pointed by the second arguments are
# considered uninitialized unexpectedly.
AC_CACHE_CHECK([whether frexp and modf are broken],
rb_cv_mingw64_broken_frexp_modf,
[
save_CFLAGS="$CFLAGS"
AS_IF([test "$particular_werror_flags" = "yes"], [
CFLAGS="$CFLAGS -Werror=uninitialized"
], [
CFLAGS="$CFLAGS -Werror -Wuninitialized"
])
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[@%:@include <math.h>
int foo(double x)
{
int exp;
frexp(x, &exp);
return exp;
}]], [[if (foo(0.0)) return 1;]])],
[rb_cv_mingw64_broken_frexp_modf=no],
[rb_cv_mingw64_broken_frexp_modf=yes])
CFLAGS="$save_CFLAGS"
])
AS_IF([test "$rb_cv_mingw64_broken_frexp_modf" = yes], [
AC_DEFINE(RUBY_MINGW64_BROKEN_FREXP_MODF)
])
],
[cygwin*|msys*|darwin*|netbsd*], [
# need lgamma_r()
])
# suppress annoying -Wstrict-overflow warnings
RUBY_TRY_CFLAGS(-fno-strict-overflow, [RUBY_APPEND_OPTION(XCFLAGS, -fno-strict-overflow)])
test "${debugflags+set}" || {RUBY_TRY_LDFLAGS(-ggdb3, [debugflags=-ggdb3])}
test "${debugflags+set}" || {RUBY_TRY_LDFLAGS(-ggdb, [debugflags=-ggdb])}
test "${debugflags+set}" || {RUBY_TRY_LDFLAGS(-g3, [debugflags=-g3])}
])
test $ac_cv_prog_cc_g = yes && : ${debugflags=-g}
AS_IF([test "$GCC" = ""], [
AS_CASE(["$target_os"],[aix*],[warnflags="$warnflags -qinfo=por" rb_cv_warnflags="$rb_cv_warnflags -qinfo=por"])
])
AS_IF([test "$GCC" = yes], [
RUBY_TRY_CFLAGS(-fvisibility=hidden, [visibility_option=yes], [visibility_option=no])
AC_SUBST(WERRORFLAG, "-Werror")
AS_IF([test "$visibility_option" = yes], [
RUBY_APPEND_OPTION(XCFLAGS, -fvisibility=hidden)
AC_DEFINE(RUBY_SYMBOL_EXPORT_BEGIN, [_Pragma("GCC visibility push(default)")])
AC_DEFINE(RUBY_SYMBOL_EXPORT_END, [_Pragma("GCC visibility pop")])
], [
RUBY_TRY_LDFLAGS([-Wl,-unexported_symbol,_Init_*], [visibility_option=ld], [visibility_option=no])
])
])
AS_IF([test "$GCC" = yes], [
# optflags
AS_CASE(["$target_os"], [mingw*], [
RUBY_TRY_CFLAGS(-fno-omit-frame-pointer, [optflags="${optflags+$optflags }-fno-omit-frame-pointer"])
RUBY_TRY_CFLAGS(-static-libgcc, [static_libgcc=yes], [static_libgcc=no])
AS_IF([test "$static_libgcc" = yes], [
RUBY_APPEND_OPTION(EXTLDFLAGS, -static-libgcc)
])
])
# disable fast-math
for oflag in -fno-fast-math; do
RUBY_TRY_CFLAGS($oflag, [RUBY_APPEND_OPTION(optflags, $oflag)])
done
for oflag in -fexcess-precision=standard -fp-model\ precise; do
RUBY_TRY_CFLAGS($oflag, [RUBY_APPEND_OPTION(XCFLAGS, $oflag)])
done
])
AS_CASE(["$target_cpu"], [[i[3-6]86*]], [
AC_CACHE_CHECK([for __sync_val_compare_and_swap], [rb_cv_gcc_compiler_cas], [
AC_LINK_IFELSE([AC_LANG_PROGRAM([[unsigned long atomic_var;]],
[[__sync_val_compare_and_swap(&atomic_var, 0, 1);]])],
[rb_cv_gcc_compiler_cas=yes],
[
save_CFLAGS="$CFLAGS" CFLAGS="$CFLAGS -march=i486"
AC_LINK_IFELSE([AC_LANG_PROGRAM([[unsigned long atomic_var;]],
[[__sync_val_compare_and_swap(&atomic_var, 0, 1);]])],
[rb_cv_gcc_compiler_cas=i486],
[rb_cv_gcc_compiler_cas=no])
CFLAGS="$save_CFLAGS"
])
])
AS_IF([test "$rb_cv_gcc_compiler_cas" = i486], [ARCH_FLAG="-march=i486"])
])
OPT_DIR=
AC_ARG_WITH([gmp-dir],
AS_HELP_STRING([--with-gmp-dir=DIR],
[specify the prefix directory where gmp is installed]),
[OPT_DIR="${OPT_DIR:+$OPT_DIR$PATH_SEPARATOR}$withval"], [])
AC_ARG_WITH([gmp],
[AS_HELP_STRING([--without-gmp],
[disable GNU GMP to accelerate Bignum operations])],
[], [with_gmp=yes])
AC_ARG_WITH(opt-dir,
AS_HELP_STRING([--with-opt-dir=DIR-LIST],
[add optional headers and libraries directories separated by $PATH_SEPARATOR]),
[OPT_DIR="${OPT_DIR:+$OPT_DIR$PATH_SEPARATOR}$withval"], [])
AS_IF([test "x$OPT_DIR" != x], [
save_IFS="$IFS" IFS="$PATH_SEPARATOR" val= PWD=
for dir in $OPT_DIR; do
test -z "$dir" && continue
dir=`eval $CHDIR '"$dir"' && pwd` || continue
val="${val:+$val$PATH_SEPARATOR}$dir"
done
IFS="$save_IFS" OPT_DIR="$val"
unset PWD
unset save_IFS
val=`IFS="$PATH_SEPARATOR"
for dir in $OPT_DIR; do
echo x ${LIBPATHFLAG} ${RPATHFLAG} |
sed "s/^x *//;s${IFS}"'%1\\$-s'"${IFS}${dir}/lib${IFS}g;s${IFS}%s${IFS}${dir}/lib${IFS}g"
done | tr '\012' ' ' | sed 's/ *$//'`
LDFLAGS="${LDFLAGS:+$LDFLAGS }$val"
DLDFLAGS="${DLDFLAGS:+$DLDFLAGS }$val"
LDFLAGS_OPTDIR="$val"
INCFLAGS="${INCFLAGS:+$INCFLAGS }"`echo "$OPT_DIR" | tr "${PATH_SEPARATOR}" '\012' |
sed '/^$/d;s|^|-I|;s|$|/include|' | tr '\012' ' ' | sed 's/ *$//'`
])
AC_SUBST(incflags, "$INCFLAGS")
test -z "${ac_env_CFLAGS_set}" -a -n "${cflags+set}" && eval CFLAGS="\"$cflags $ARCH_FLAG\""
test -z "${ac_env_CXXFLAGS_set}" -a -n "${cxxflags+set}" && eval CXXFLAGS="\"$cxxflags $ARCH_FLAG\""
AC_CACHE_CHECK([whether compiler has statement and declarations in expressions],
rb_cv_have_stmt_and_decl_in_expr,
[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]],[[ __extension__ ({ int a = 0; a; }); ]])],
[rb_cv_have_stmt_and_decl_in_expr=yes],
[rb_cv_have_stmt_and_decl_in_expr=no])])
AS_IF([test "$rb_cv_have_stmt_and_decl_in_expr" = yes], [
AC_DEFINE(HAVE_STMT_AND_DECL_IN_EXPR)
])
}
[begin]_group "header and library section" && {
AC_ARG_WITH(winnt-ver,
AS_HELP_STRING([--with-winnt-ver=0xXXXX], [target Windows NT version (default to 0x0600)]),
[with_winnt_ver="$withval"], [with_winnt_ver="0x0600"])
AS_CASE(["$target_os"],
[mingw*], [
RUBY_APPEND_OPTION(CPPFLAGS, -D_WIN32_WINNT=$with_winnt_ver)
RUBY_APPEND_OPTION(CPPFLAGS, -D__MINGW_USE_VC2005_COMPAT)
])
RUBY_THREAD
dnl Checks for libraries.
AS_CASE(["$target_os"],[*bsd*|dragonfly*],[],[ac_cv_func_daemon=no])
AS_CASE(["$target_os"], [*android*], [
AS_CASE(["$target_cpu"], [arm*], [
ac_cv_func___builtin_setjmp=no
])
])
AS_UNSET(ORIG_LIBS)
POSTLINK=:
AC_SUBST(POSTLINK)
cleanlibs=
AC_SUBST(cleanlibs)
AS_CASE(["$target_os"],
[nextstep*], [ ],
[openstep*], [ ],
[rhapsody*], [ ],
[darwin*], [
ORIG_LIBS="$LIBS"
RUBY_PREPEND_OPTION(LIBS, -lobjc)
RUBY_APPEND_OPTIONS(CPPFLAGS, -D_XOPEN_SOURCE -D_DARWIN_C_SOURCE -D_DARWIN_UNLIMITED_SELECT -D_REENTRANT)
AC_CACHE_CHECK([whether syscall(2) is deprecated], rb_cv_syscall_deprecated,
[RUBY_WERROR_FLAG([
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[@%:@include <unistd.h>]],
[[if (syscall(0)) return 1;]])],
[rb_cv_syscall_deprecated=no],
[rb_cv_syscall_deprecated=yes])])])
AS_IF([test $rb_cv_syscall_deprecated = yes], [
ac_cv_func___syscall=no
ac_cv_func_syscall=no
ac_cv_header_sys_syscall_h=no
ac_cv_header_syscall_h=no
])
ac_cv_func_getcontext=no
ac_cv_func_setcontext=no
ac_cv_type_getgroups=gid_t # getgroups() on Rosetta fills garbage
ac_cv_lib_crypt_crypt=no
ac_cv_func_fdatasync=no # Mac OS X wrongly reports it has fdatasync()
ac_cv_func_vfork=no
AS_IF([test $gcc_major -eq 4 -a $gcc_minor -lt 3], [
ac_cv_func___builtin_setjmp=no
])
AC_CACHE_CHECK(for broken crypt with 8bit chars, rb_cv_broken_crypt,
[AC_RUN_IFELSE([AC_LANG_SOURCE([[
#include <stdio.h>
#include <unistd.h>
#include <string.h>
void
broken_crypt(const char *salt, const char *buf1, const char *buf2)
{
#if 0
printf("%.2x%.2x: %s -> %s\n", (unsigned char)salt[0], (unsigned char)salt[1],
buf1+2, buf2+2);
#endif
}
int
main()
{
int i;
char salt[2], buf[256], *s;
for (i = 0; i < 128*128; i++) {
salt[0] = 0x80 | (i & 0x7f);
salt[1] = 0x80 | (i >> 7);
strcpy(buf, crypt("", salt));
if (strcmp(buf, s = crypt("", salt))) {
broken_crypt(salt, buf, s);
return 1;
}
}
salt[0] = salt[1] = ' ';
strcpy(buf, crypt("", salt));
salt[0] = salt[1] = 0x80 | ' ';
if (strcmp(buf, s = crypt("", salt))) {
broken_crypt(salt, buf, s);
return 1;
}
return 0;
}
]])],
rb_cv_broken_crypt=no,
rb_cv_broken_crypt=yes,
rb_cv_broken_crypt=yes)])
AS_IF([test "$rb_cv_broken_crypt" = yes], [
AC_DEFINE(BROKEN_CRYPT, 1)
])
POSTLINK=""
AC_CHECK_PROGS(codesign, codesign)
dsymutils=
AS_CASE("$CC_NO_WRAPPER", [gcc*-1[[3-9]]], [
dsymutils=${CC_NO_WRAPPER@%:@gcc}
dsymutils=dsymutil${dsymutils%-1*}
dsymutils="$dsymutils-19 $dsymutils-18 $dsymutils-17"
])
AC_CHECK_PROGS(dsymutil, $dsymutils dsymutil)
AS_IF([test -n "$codesign"], [
POSTLINK="{ test -z '\$(RUBY_CODESIGN)' || $codesign -s '\$(RUBY_CODESIGN)' \$@; }${POSTLINK:+; $POSTLINK}"
])
AS_IF([test -n "$dsymutil"], [
POSTLINK="$dsymutil \$@ 2>/dev/null${POSTLINK:+; $POSTLINK}"
])
AC_CHECK_HEADERS(crt_externs.h, [], [], [
#include <crt_externs.h>
])
cleanlibs='$(TARGET_SO:=.dSYM)'
],
[solaris*], [ LIBS="-lm $LIBS"
ac_cv_func_vfork=no
AC_MSG_CHECKING(whether _XOPEN_SOURCE is already given)
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <unistd.h>
#ifndef _XOPEN_SOURCE
#error _XOPEN_SOURCE is not defined
#endif
]], [[]])],
[given_xopen_source=yes], [given_xopen_source=no])
AC_MSG_RESULT($given_xopen_source)
AS_IF([test $given_xopen_source = no], [
AC_MSG_CHECKING(appropriate _XOPEN_SOURCE value to define)
define_xopen_source=""
for tmp_xpg in 7 6 5; do
AS_IF([test x"$define_xopen_source" != x], [
break
])
RUBY_WERROR_FLAG([AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
#define _XOPEN_SOURCE ${tmp_xpg}00
#include <unistd.h>
#ifndef _XPG${tmp_xpg}
#error _XPG${tmp_xpg} should be defined by _XOPEN_SOURCE=${tmp_xpg}00
#endif
]], [[]])],
[define_xopen_source=${tmp_xpg}00], [])
])
done
AS_IF([test x"$define_xopen_source" = x], [
define_xopen_source=no
])
AC_MSG_RESULT($define_xopen_source)
AS_IF([test x"$define_xopen_source" != xno], [
RUBY_APPEND_OPTIONS(CPPFLAGS, -D_XOPEN_SOURCE=$define_xopen_source)
# _XOPEN_SOURCE should not be defined for C++ on Solaris.
RUBY_APPEND_OPTIONS(CXXFLAGS, -U_XOPEN_SOURCE)
])
])
AC_CHECK_TYPES([caddr_t],[],[],[@%:@include <sys/types.h>])
AC_CACHE_CHECK([whether madvise declaration is needed], rb_cv_madvice_prototype_using_caddr_t,
[RUBY_WERROR_FLAG([AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
@%:@include <sys/unistd.h>
@%:@include <sys/mman.h>
@%:@include <sys/types.h>
extern int madvise(caddr_t, size_t, int);
]], [[]])],
[rb_cv_madvice_prototype_using_caddr_t=yes], [rb_cv_madvice_prototype_using_caddr_t=no])
])
])
AS_IF([test $rb_cv_madvice_prototype_using_caddr_t = yes], [AC_DEFINE(NEED_MADVICE_PROTOTYPE_USING_CADDR_T, 1)])
],
[haiku*], [
LIBS="$LIBS" # m lib is include in root
],
[cygwin*|msys*], [
ac_cv_header_langinfo_h=yes
RUBY_APPEND_OPTIONS(CPPFLAGS, -D_XOPEN_SOURCE -D_GNU_SOURCE)
AC_CHECK_FUNCS(cygwin_conv_path)
AC_LIBOBJ([langinfo])
],
[mingw*], [ LIBS="-lshell32 -lws2_32 -liphlpapi -limagehlp -lshlwapi -lbcrypt $LIBS"
ac_cv_header_pwd_h=no
ac_cv_header_utime_h=no
ac_cv_header_sys_ioctl_h=no
ac_cv_header_sys_param_h=no
ac_cv_header_sys_resource_h=no
ac_cv_header_sys_select_h=no
ac_cv_header_sys_time_h=no
ac_cv_header_sys_times_h=no
ac_cv_header_sys_socket_h=no
ac_cv_func_execv=yes
ac_cv_func_lstat=yes
ac_cv_func_times=yes
ac_cv_func_waitpid=yes
ac_cv_func_fsync=yes
ac_cv_func_seekdir=yes
ac_cv_func_telldir=yes
ac_cv_func_lchown=yes
ac_cv_func_link=yes
ac_cv_func_readlink=yes
ac_cv_func_shutdown=yes
ac_cv_func_symlink=yes
ac_cv_lib_crypt_crypt=no
ac_cv_func_getpgrp_void=no
ac_cv_func_memcmp_working=yes
ac_cv_lib_dl_dlopen=no
rb_cv_negative_time_t=yes
ac_cv_func_fcntl=yes
ac_cv_func_flock=yes
ac_cv_func_gmtime_r=yes
rb_cv_large_fd_select=yes
ac_cv_type_struct_timeval=yes
ac_cv_func_clock_gettime=yes
ac_cv_func_clock_getres=yes
ac_cv_func_malloc_usable_size=no
ac_cv_type_off_t=yes
ac_cv_sizeof_off_t=8
AS_IF([test "$target_cpu" = x64], [
ac_cv_func___builtin_setjmp=yes
ac_cv_func_round=no
])
ac_cv_func_tgamma=no
AC_CHECK_TYPE([NET_LUID], [], [],
[@%:@include <winsock2.h>
@%:@include <iphlpapi.h>])
AS_IF([test x"$ac_cv_type_NET_LUID" = xyes], [
AC_DEFINE(HAVE_TYPE_NET_LUID, 1)
])
AC_CHECK_FUNCS(_gmtime64_s)
AC_CHECK_FUNCS(_wfreopen_s)
AC_LIBOBJ([langinfo])
],
[bsdi*], [ LIBS="-lm $LIBS"
AC_DEFINE(BROKEN_SETREUID, 1)
AC_DEFINE(BROKEN_SETREGID, 1)
ac_cv_sizeof_rlim_t=8],
[freebsd*], [ LIBS="-lm $LIBS"
ac_cv_func_getpeername=no
ac_cv_func_getsockname=no
ac_cv_func_shutdown=no
ac_cv_func_close=no
],
[netbsd*], [ LIBS="-lm $LIBS"
],
[dragonfly*], [ LIBS="-lm $LIBS"
],
[aix*],[ LIBS="-lm $LIBS"
ac_cv_func_round=no
ac_cv_func___builtin_setjmp=no
],
[linux*],[ LIBS="-lm $LIBS"
# __builtin_longjmp in ppc64* Linux does not restore
# the TOC register (r2), which is problematic
# when a global exit happens from JITted .so code.
# __builtin_setjmp can have issues on arm64 linux (see [Bug #14480]).
AS_CASE(["$target_cpu"], [powerpc64*|arm64|aarch64], [
ac_cv_func___builtin_setjmp=no
])
# With gcc-8's -fcf-protection, RJIT's __builtin_longjmp fails.
AS_CASE(["$CC $CFLAGS "], [*" -fcf-protection "*], [cf_protection=yes], [cf_protection=no])
AS_IF([test "$cf_protection" = yes], [
ac_cv_func___builtin_setjmp=no
])
],
[emscripten*], [LIBS="-lm -lc $LIBS"
RUBY_APPEND_OPTIONS(LDFLAGS, "-sALLOW_MEMORY_GROWTH=1")
RUBY_APPEND_OPTIONS(LDFLAGS, "-sASYNCIFY")
RUBY_APPEND_OPTIONS(LDFLAGS, "-sFORCE_FILESYSTEM=1")
ac_cv_func_shutdown=no
],
[wasi*],[ LIBS="-lm -lwasi-emulated-mman -lwasi-emulated-signal -lwasi-emulated-getpid -lwasi-emulated-process-clocks $LIBS"
RUBY_APPEND_OPTIONS(CFLAGS, -D_WASI_EMULATED_SIGNAL -D_WASI_EMULATED_MMAN -D_WASI_EMULATED_GETPID -D_WASI_EMULATED_PROCESS_CLOCKS)
RUBY_APPEND_OPTIONS(CPPFLAGS, -D_WASI_EMULATED_SIGNAL -D_WASI_EMULATED_MMAN -D_WASI_EMULATED_GETPID -D_WASI_EMULATED_PROCESS_CLOCKS)
POSTLINK="\$(WASMOPT) --asyncify \$(wasmoptflags) -o \$@ \$@${POSTLINK:+; $POSTLINK}"
# wasi-libc's sys/socket.h is not compatible with -std=gnu99,
# so re-declare shutdown in include/ruby/missing.h
ac_cv_func_shutdown=no
],
[ LIBS="-lm $LIBS"])
: ${ORIG_LIBS=$LIBS}
AS_IF([test -n "${POSTLINK}"], [
# NOTE: A (part of) link commands used link shared extension libraries. If
# the first line of the value is empty, mkmf prepends default link steps.
LINK_SO="$LINK_SO
\$(POSTLINK)"
])
AS_IF([test -n "${rb_there_is_in_fact_no_gplusplus_but_autoconf_is_cheating_us}"], [
AC_MSG_NOTICE([Test skipped due to lack of a C++ compiler.])
],
[test -n "${CXX}"], [
RUBY_WERROR_FLAG([
AC_MSG_CHECKING([whether CXXFLAGS is valid])
AC_LANG_PUSH(C++)
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[@%:@include <cstdio>]], [[]])],
[AC_MSG_RESULT(yes)],[
AC_MSG_RESULT(no)
# The message mentions CXXFLAGS, but CPPFLAGS might also affects.
AC_MSG_WARN([something wrong with CXXFLAGS="$CXXFLAGS"])
CXX=false
])
AC_LANG_POP(C++)
])
])
AC_CHECK_LIB(crypt, crypt) # glibc (GNU/Linux, GNU/Hurd, GNU/kFreeBSD)
AC_CHECK_LIB(dl, dlopen) # Dynamic linking for SunOS/Solaris and SYSV
AC_CHECK_LIB(socket, shutdown) # SunOS/Solaris
dnl Checks for header files.
AC_HEADER_DIRENT
dnl AC_HEADER_STDC has been checked in AC_USE_SYSTEM_EXTENSIONS
AC_HEADER_STDBOOL
AC_HEADER_SYS_WAIT
AC_CHECK_HEADERS([afunix.h], [], [],
[#ifdef _WIN32
# include <winsock2.h>
#endif
])
AC_CHECK_HEADERS(atomic.h)
AC_CHECK_HEADERS(copyfile.h)
AC_CHECK_HEADERS(direct.h)
AC_CHECK_HEADERS(grp.h)
AC_CHECK_HEADERS(fcntl.h)
AC_CHECK_HEADERS(float.h)
AC_CHECK_HEADERS(ieeefp.h)
AC_CHECK_HEADERS(intrinsics.h)
AC_CHECK_HEADERS(langinfo.h)
AC_CHECK_HEADERS(limits.h)
AC_CHECK_HEADERS(locale.h)
AC_CHECK_HEADERS(malloc.h)
AC_CHECK_HEADERS(malloc/malloc.h)
AC_CHECK_HEADERS(malloc_np.h)
AC_CHECK_HEADERS(net/socket.h)
AC_CHECK_HEADERS(process.h)
AC_CHECK_HEADERS(pwd.h)
AC_CHECK_HEADERS(sanitizer/asan_interface.h)
AC_CHECK_HEADERS(sanitizer/msan_interface.h)
AC_CHECK_HEADERS(setjmpex.h)
AC_CHECK_HEADERS(stdalign.h)
AC_CHECK_HEADERS(stdio.h)
AC_CHECK_HEADERS(sys/attr.h)
AC_CHECK_HEADERS(sys/eventfd.h)
AC_CHECK_HEADERS(sys/fcntl.h)
AC_CHECK_HEADERS(sys/file.h)
AC_CHECK_HEADERS(sys/id.h)
AC_CHECK_HEADERS(sys/ioctl.h)
AC_CHECK_HEADERS(sys/mkdev.h)
AC_CHECK_HEADERS(sys/param.h)
AC_CHECK_HEADERS(sys/prctl.h)
AC_CHECK_HEADERS(sys/random.h)
AC_CHECK_HEADERS(sys/resource.h)
AC_CHECK_HEADERS(sys/select.h)
AC_CHECK_HEADERS(sys/sendfile.h)
AC_CHECK_HEADERS(sys/socket.h)
AC_CHECK_HEADERS(sys/syscall.h)
AC_CHECK_HEADERS(sys/sysmacros.h)
AC_CHECK_HEADERS(sys/time.h)
AC_CHECK_HEADERS(sys/times.h)
AC_CHECK_HEADERS(sys/uio.h)
AC_CHECK_HEADERS(sys/utime.h)
AC_CHECK_HEADERS(syscall.h)
AC_CHECK_HEADERS(time.h)
AC_CHECK_HEADERS(ucontext.h)
AC_CHECK_HEADERS(utime.h)
AC_CHECK_HEADERS(sys/epoll.h)
AC_CHECK_HEADERS(sys/event.h)
AC_CHECK_HEADERS(stdckdint.h)
AC_CHECK_HEADERS(stdatomic.h)
AS_CASE("$target_cpu", [x64|x86_64|[i[3-6]86*]], [
AC_CHECK_HEADERS(x86intrin.h)
])
RUBY_UNIVERSAL_CHECK_HEADER([x86_64, i386], x86intrin.h)
AS_IF([test "x$with_gmp" != xno],
[RUBY_CHECK_HEADER(gmp.h)
AS_IF([test "x$ac_cv_header_gmp_h" != xno],
AC_SEARCH_LIBS([__gmpz_init], [gmp],
[AC_DEFINE(HAVE_LIBGMP, 1)]))])
AC_ARG_WITH([jemalloc],
[AS_HELP_STRING([--with-jemalloc],[use jemalloc allocator])],
[with_jemalloc=$withval], [with_jemalloc=no])
AS_IF([test "x$with_jemalloc" != xno],[
# find jemalloc header first
save_CPPFLAGS="${CPPFLAGS}"
CPPFLAGS="${INCFLAGS} ${CPPFLAGS}"
malloc_header=
AC_CHECK_HEADER(jemalloc/jemalloc.h, [malloc_header=jemalloc/jemalloc.h], [
AC_CHECK_HEADER(jemalloc.h, [malloc_header=jemalloc.h])
])
AS_IF([test "$malloc_header" != ""], [
AC_DEFINE_UNQUOTED(RUBY_ALTERNATIVE_MALLOC_HEADER, [<$malloc_header>])
])
save_LIBS="$LIBS"
AC_CACHE_CHECK([for jemalloc library], rb_cv_jemalloc_library, [
rb_cv_jemalloc_library=no
# try [with mangle, without mangle] x [no more additional
# libraries, adding jemalloc] combination, using the jemalloc
# header found above.
for mangle in '' mangle; do
for lib in '' -ljemalloc; do
LIBS="${lib:+$lib }$LIBS"
AC_LINK_IFELSE([AC_LANG_PROGRAM([${mangle:+@%:@define JEMALLOC_MANGLE 1}
@%:@include <stdio.h>
@%:@ifdef RUBY_ALTERNATIVE_MALLOC_HEADER
@%:@include RUBY_ALTERNATIVE_MALLOC_HEADER
@%:@else
extern const char *malloc_conf;
@%:@endif],
[/* access at runtime not to be optimized away */
if (malloc_conf) printf("malloc_conf=%s\n", malloc_conf);])],
[rb_cv_jemalloc_library="${lib:-none required}${mangle:+ with mangle}"])
LIBS="$save_LIBS"
test "${rb_cv_jemalloc_library}" = no || break 2
done
done
])
CPPFLAGS="${save_CPPFLAGS}"
unset save_CPPFLAGS
with_jemalloc=${rb_cv_jemalloc_library}
AS_CASE(["$with_jemalloc"],
[no],
[AC_MSG_ERROR([jemalloc requested but not found])],
[-l*], [
set dummy $with_jemalloc
LIBS="$2 $LIBS"
DLDLIBS="$2${DLDLIBS:+ $DLDLIBS}" # probably needed also in extension libraries
])
AS_CASE(["$with_jemalloc"],
[*" with mangle"], [
AC_DEFINE(JEMALLOC_MANGLE)
])
AC_DEFINE(HAVE_MALLOC_CONF)
ac_cv_func_malloc_usable_size=yes
]) # with_jemalloc
dnl check for large file stuff
mv confdefs.h confdefs1.h
: > confdefs.h
AC_SYS_LARGEFILE
# On 32-bit Solaris, it is safe to define _LARGEFILE_SOURCE
# which is not added by AC_SYS_LARGEFILE.
AS_IF([test x"$enable_largefile" != xno], [
AS_CASE(["$target_os"], [solaris*], [
AC_MSG_CHECKING([whether _LARGEFILE_SOURCE should be defined])
AS_CASE(["${ac_cv_sys_file_offset_bits}:${ac_cv_sys_large_files}"],
["64:"|"64:no"|"64:unknown"], [
# insert _LARGEFILE_SOURCE before _FILE_OFFSET_BITS line
# that is the same order as "getconf LFS_CFLAGS" output
mv confdefs.h largefile0.h
: > confdefs.h
AC_DEFINE(_LARGEFILE_SOURCE)
cat largefile0.h >> confdefs.h
rm largefile0.h
AC_MSG_RESULT([yes])
], [AC_MSG_RESULT([no])])
])
])
mv confdefs.h largefile.h
mv confdefs1.h confdefs.h
cat largefile.h >> confdefs.h
AS_CASE(["$target_os"],
[aix*], [
AS_CASE(["$target_cpu:$ac_cv_sys_large_files"],
[ppc64:*|powerpc64:*], [],
[*:no|*:unknown], [],
[
# AIX currently does not support a 32-bit call to posix_fadvise()
# if _LARGE_FILES is defined.
ac_cv_func_posix_fadvise=no
])
])
AC_C_BIGENDIAN([], [], [], [AC_DEFINE(AC_APPLE_UNIVERSAL_BUILD, 1)])
AC_C_CONST
AC_C_CHAR_UNSIGNED
AC_C_INLINE
AC_C_VOLATILE
AC_C_TYPEOF
AC_C_RESTRICT
AS_CASE(":$ac_cv_c_const:$ac_cv_c_volatile:",
[*:no:*], [AC_MSG_ERROR(ANSI C-conforming const and volatile are mandatory)])
AC_CHECK_TYPES([long long, off_t])
AC_CACHE_CHECK([char bit], [rb_cv_char_bit],
[test "$universal_binary" = yes && cross_compiling=yes
AC_COMPUTE_INT([rb_cv_char_bit], [CHAR_BIT],
[AC_INCLUDES_DEFAULT([@%:@include <limits.h>])], [rb_cv_char_bit=8])
test "$universal_binary" = yes && cross_compiling=$real_cross_compiling])
RUBY_CHECK_SIZEOF(int, [], [ILP])
RUBY_CHECK_SIZEOF(short)
RUBY_CHECK_SIZEOF(long, [int], [ILP LP])
RUBY_CHECK_SIZEOF(long long)
RUBY_CHECK_SIZEOF(__int64, [8], [ILP LP])
RUBY_CHECK_SIZEOF(__int128, [16], [ILP LP])
RUBY_CHECK_SIZEOF(off_t)
RUBY_CHECK_SIZEOF(void*, [int long "long long"], [ILP LP LLP])
RUBY_CHECK_SIZEOF(float)
RUBY_CHECK_SIZEOF(double)
RUBY_CHECK_SIZEOF(time_t, [long "long long"], [], [@%:@include <time.h>])
RUBY_CHECK_SIZEOF(clock_t, [], [], [@%:@include <time.h>])
AC_SUBST(X_BUILTIN_BINARY, yes)
AS_IF([test "$cross_compiling" = yes],
[dnl miniruby cannot run if cross compiling
X_BUILTIN_BINARY=no
],
[
AS_CASE([ac_cv_sizeof_voidp],
[[1-9]*], [dnl fixed value
],
[
AC_CACHE_CHECK([word size], [rb_cv_word_size],
[for w in 4 8; do
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[@%:@if SIZEOF_VOIDP != ${w}
@%:@error SIZEOF_VOIDP
@%:@endif]])], [rb_cv_word_size=${w}; break])
done])
AS_IF([test -z $rb_cv_word_size], [X_BUILTIN_BINARY=no])
])
])
AC_CACHE_CHECK(packed struct attribute, rb_cv_packed_struct,
[rb_cv_packed_struct=no
for mac in \
"__pragma(pack(push, 1)) x __pragma(pack(pop))" \
"x __attribute__((packed))" \
; do
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[@%:@define PACKED_STRUCT(x) $mac
PACKED_STRUCT(struct { int a; });]], [[]])],
[rb_cv_packed_struct=$mac; break])
done])
AS_IF([test "$rb_cv_packed_struct" != no], [
AC_DEFINE_UNQUOTED([RBIMPL_ATTR_PACKED_STRUCT_BEGIN()], [`echo " $rb_cv_packed_struct " | sed 's/ x .*//;s/^ *//'`])
AC_DEFINE_UNQUOTED([RBIMPL_ATTR_PACKED_STRUCT_END()], [`echo " $rb_cv_packed_struct " | sed 's/.* x //;s/ *$//'`])
RUBY_TRY_CFLAGS(-Wno-address-of-packed-member, [AC_DEFINE(USE_UNALIGNED_MEMBER_ACCESS)])
])
AS_IF([test "x$ac_cv_type_long_long" = xyes], [
RUBY_CHECK_PRINTF_PREFIX(long long, ll I64, LL)
], [test "x$ac_cv_type___int64" = xyes], [
RUBY_CHECK_PRINTF_PREFIX(__int64, ll I64, LL)
])
RUBY_REPLACE_TYPE(pid_t, int, PIDT)
RUBY_REPLACE_TYPE(uid_t, int, UIDT)
RUBY_REPLACE_TYPE(gid_t, int, GIDT)
RUBY_REPLACE_TYPE(time_t, [], TIMET, [@%:@include <time.h>])
RUBY_REPLACE_TYPE(dev_t, [int long "long long"], DEVT)
RUBY_REPLACE_TYPE(mode_t, ["unsigned short" "unsigned int" long], MODET, [@%:@include <sys/stat.h>])
RUBY_REPLACE_TYPE(rlim_t, [int long "long long"], RLIM, [
@%:@ifdef HAVE_SYS_TYPES_H
@%:@include <sys/types.h>
@%:@endif
@%:@ifdef HAVE_SYS_TYPES_H
@%:@include <sys/time.h>
@%:@endif
@%:@include <sys/resource.h>
])
RUBY_REPLACE_TYPE(off_t, [], OFFT)
RUBY_REPLACE_TYPE(clockid_t, [], CLOCKID, [@%:@ifdef HAVE_TIME_H
@%:@ include <time.h>
@%:@endif
@%:@ifdef HAVE_SYS_TIME_H
@%:@ include <sys/time.h>
@%:@endif])
# __VA_ARGS__ is also tested in AC_PROG_CC_C99 since autoconf 2.60a (around
# 2006). The check below is redundant and should always success. Remain not
# deleted for backward compat.
AC_CACHE_CHECK(for variable length macro, rb_cv_va_args_macro,
[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
int foo(const char*);
@%:@define FOO(...) foo(@%:@__VA_ARGS__)
]], [[FOO(1);FOO(1,2);FOO(1,2,3);]])],
rb_cv_va_args_macro=yes,
rb_cv_va_args_macro=no)])
AS_IF([test "$rb_cv_va_args_macro" = yes], [
AC_DEFINE(HAVE_VA_ARGS_MACRO)
])
# We want C11's `_Alignof`. GCC (and alike) have `__alignof__`, which behave
# slightly differently than the C11's. We cannot use `__alignof__` for our
# purpose. The problem is, however, that old gcc and old clang had both
# implemented `_Alignof` as a synonym of `__alignof__`. They are not what we
# want. We have to check sanity.
#
# See also: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=52023
# See also: https://bugs.llvm.org/show_bug.cgi?id=26547
AC_CACHE_CHECK([if _Alignof() works], rb_cv_have__alignof,[
rb_cv_have__alignof=no
RUBY_WERROR_FLAG([
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
@%:@ifdef HAVE_STDALIGN_H
@%:@include <stdalign.h>
@%:@endif
@%:@ifdef STDC_HEADERS
@%:@include <stddef.h>
@%:@endif
@%:@ifndef __GNUC__
@%:@define __extension__
@%:@endif
]], [[
typedef struct conftest_tag {
char _;
double d;
} T;
static int conftest_ary@<:@
offsetof(T, d) == __extension__ _Alignof(double)
? 1 : -1
@:>@;
return conftest_ary@<:@0@:>@;
]])],[
rb_cv_have__alignof=yes
],[])
])
])
AS_IF([test "$rb_cv_have__alignof" != no], [
AC_DEFINE(HAVE__ALIGNOF)
])
RUBY_FUNC_ATTRIBUTE(__const__, CONSTFUNC)
RUBY_FUNC_ATTRIBUTE(__pure__, PUREFUNC)
RUBY_FUNC_ATTRIBUTE(__noreturn__, NORETURN)
RUBY_FUNC_ATTRIBUTE(__deprecated__, DEPRECATED)
RUBY_FUNC_ATTRIBUTE(__deprecated__("by "@%:@n), DEPRECATED_BY(n,x), rb_cv_func_deprecated_by)
RUBY_FUNC_ATTRIBUTE(__noinline__, NOINLINE)
RUBY_FUNC_ATTRIBUTE(__always_inline__, ALWAYS_INLINE)
RUBY_FUNC_ATTRIBUTE(__no_sanitize__(san), NO_SANITIZE(san, x), rb_cv_func_no_sanitize)
RUBY_FUNC_ATTRIBUTE(__no_sanitize_address__, NO_SANITIZE_ADDRESS)
RUBY_FUNC_ATTRIBUTE(__no_address_safety_analysis__, NO_ADDRESS_SAFETY_ANALYSIS)
RUBY_FUNC_ATTRIBUTE(__warn_unused_result__, WARN_UNUSED_RESULT)
RUBY_FUNC_ATTRIBUTE(__unused__, MAYBE_UNUSED)
RUBY_FUNC_ATTRIBUTE(__error__ mesg, ERRORFUNC(mesg,x), rb_cv_func___error__)
RUBY_FUNC_ATTRIBUTE(__warning__ mesg, WARNINGFUNC(mesg,x), rb_cv_func___warning__)
RUBY_FUNC_ATTRIBUTE(__weak__, WEAK, rb_cv_func_weak)
AS_IF([test "$rb_cv_func_weak" != x], [
AC_DEFINE(HAVE_FUNC_WEAK)
])
AC_CACHE_CHECK([for __attribute__((__deprecated__(msg))) in C++],
rb_cv_CentOS6_CXX_workaround,
RUBY_WERROR_FLAG([
AC_LANG_PUSH([C++])
AC_COMPILE_IFELSE(
[AC_LANG_PROGRAM(
[],
[__attribute__((__deprecated__("message"))) int conftest(...);])],
[rb_cv_CentOS6_CXX_workaround=yes],
[rb_cv_CentOS6_CXX_workaround=no])
AC_LANG_POP()]))
AS_IF([test "$rb_cv_CentOS6_CXX_workaround" != no],[
AC_DEFINE([RUBY_CXX_DEPRECATED(msg)],
[__attribute__((__deprecated__(msg)))])])
AC_CACHE_CHECK([for std::nullptr_t], rb_cv_CXX_nullptr, [
AC_LANG_PUSH([C++])
AC_COMPILE_IFELSE(
[AC_LANG_PROGRAM(
[@%:@include <cstddef>],
[static std::nullptr_t const *const conftest = nullptr;])],
[rb_cv_CXX_nullptr=yes],
[rb_cv_CXX_nullptr=no])
AC_LANG_POP()])
AS_IF([test "$rb_cv_CXX_nullptr" != no],[AC_DEFINE(HAVE_NULLPTR)])
if_i386=${universal_binary+[defined __i386__]}
RUBY_FUNC_ATTRIBUTE(__stdcall__, FUNC_STDCALL, rb_cv_func_stdcall, ${if_i386})
RUBY_FUNC_ATTRIBUTE(__cdecl__, FUNC_CDECL, rb_cv_func_cdecl, ${if_i386})
RUBY_FUNC_ATTRIBUTE(__fastcall__, FUNC_FASTCALL, rb_cv_func_fastcall, ${if_i386})
RUBY_FUNC_ATTRIBUTE(__optimize__("O0"), FUNC_UNOPTIMIZED, rb_cv_func_unoptimized)
RUBY_FUNC_ATTRIBUTE(__optimize__("-Os","-fomit-frame-pointer"), FUNC_MINIMIZED, rb_cv_func_minimized)
AS_IF([test "$GCC" = yes], [
AC_CACHE_CHECK([for function alias], [rb_cv_gcc_function_alias],
[rb_cv_gcc_function_alias=no
for a in alias weak,alias; do
AC_LINK_IFELSE([AC_LANG_PROGRAM([[void foo(void) {}
void bar(void) __attribute__(($a("foo")));]], [[bar()]])],
[rb_cv_gcc_function_alias=$a; break])
done])
AS_IF([test "$rb_cv_gcc_function_alias" != no], [
AC_DEFINE(HAVE_ATTRIBUTE_FUNCTION_ALIAS)
AC_DEFINE_UNQUOTED([RUBY_ALIAS_FUNCTION_TYPE(type, prot, name, args)],
[type prot __attribute__(($rb_cv_gcc_function_alias(@%:@name)));])
AC_DEFINE_UNQUOTED([RUBY_ALIAS_FUNCTION_VOID(prot, name, args)],
[RUBY_ALIAS_FUNCTION_TYPE(void, prot, name, args)])
])
])
{
AC_CACHE_CHECK([for __atomic builtins], [rb_cv_gcc_atomic_builtins], [
AC_LINK_IFELSE([AC_LANG_PROGRAM([[unsigned int atomic_var;]],
[[
__atomic_exchange_n(&atomic_var, 0, __ATOMIC_SEQ_CST);
__atomic_exchange_n(&atomic_var, 1, __ATOMIC_SEQ_CST);
__atomic_fetch_add(&atomic_var, 1, __ATOMIC_SEQ_CST);
__atomic_fetch_sub(&atomic_var, 1, __ATOMIC_SEQ_CST);
__atomic_or_fetch(&atomic_var, 1, __ATOMIC_SEQ_CST);
]])],
[rb_cv_gcc_atomic_builtins=yes],
[rb_cv_gcc_atomic_builtins=no])])
AS_IF([test "$rb_cv_gcc_atomic_builtins" = yes], [
AC_DEFINE(HAVE_GCC_ATOMIC_BUILTINS)
])
AC_CACHE_CHECK([for __sync builtins], [rb_cv_gcc_sync_builtins], [
AC_LINK_IFELSE([AC_LANG_PROGRAM([[unsigned int atomic_var;]],
[[
__sync_lock_test_and_set(&atomic_var, 0);
__sync_lock_test_and_set(&atomic_var, 1);
__sync_fetch_and_add(&atomic_var, 1);
__sync_fetch_and_sub(&atomic_var, 1);
__sync_or_and_fetch(&atomic_var, 1);
__sync_val_compare_and_swap(&atomic_var, 0, 1);
]])],
[rb_cv_gcc_sync_builtins=yes],
[rb_cv_gcc_sync_builtins=no])])
AS_IF([test "$rb_cv_gcc_sync_builtins" = yes], [
AC_DEFINE(HAVE_GCC_SYNC_BUILTINS)
])
AC_CACHE_CHECK(for __builtin_unreachable, rb_cv_func___builtin_unreachable,
[RUBY_WERROR_FLAG(
[AC_LINK_IFELSE([AC_LANG_PROGRAM([[volatile int zero;]],
[[if (zero) __builtin_unreachable();]])],
[rb_cv_func___builtin_unreachable=yes],
[rb_cv_func___builtin_unreachable=no])
])
])
AS_IF([test "$rb_cv_func___builtin_unreachable" = yes], [
AC_DEFINE(HAVE___BUILTIN_UNREACHABLE)
])
AC_CACHE_CHECK(for __assume, rb_cv_func___assume,
[RUBY_WERROR_FLAG([
AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],
[[__assume(1);]])],
[rb_cv_func___assume=yes],
[rb_cv_func___assume=no])
])
])
AS_IF([test "$rb_cv_func___assume" = yes], [
AC_DEFINE(HAVE___ASSUME)
])
}
AC_CACHE_CHECK(for exported function attribute, rb_cv_func_exported, [
rb_cv_func_exported=no
RUBY_WERROR_FLAG([
for mac in '__declspec(dllexport)' '__attribute__ ((__visibility__("default")))'; do
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[@%:@define RUBY_FUNC_EXPORTED $mac extern
RUBY_FUNC_EXPORTED void conftest_attribute_check(void);]], [[]])],
[rb_cv_func_exported="$mac"; break])
done
])])
AS_IF([test "$rb_cv_func_exported" != no], [
AC_DEFINE_UNQUOTED(RUBY_FUNC_EXPORTED, [$rb_cv_func_exported extern])
])
RUBY_DECL_ATTRIBUTE([__nonnull__(n)], [RUBY_FUNC_NONNULL(n,x)], [rb_cv_func_nonnull],
[], [function], [
@%:@define x int conftest_attribute_check(void *p)
@%:@define n 1
])
RUBY_APPEND_OPTION(XCFLAGS, -DRUBY_EXPORT)
AC_ARG_ENABLE(mathn,
AS_HELP_STRING([--enable-mathn], [enable canonicalization for mathn]),
[AC_MSG_ERROR([mathn support has been dropped])])
AC_CACHE_CHECK(for function name string predefined identifier,
rb_cv_function_name_string,
[AS_CASE(["$target_os"],[openbsd*],[
rb_cv_function_name_string=__func__
],[
rb_cv_function_name_string=no
RUBY_WERROR_FLAG([
for func in __func__ __FUNCTION__; do
AC_LINK_IFELSE([AC_LANG_PROGRAM([[@%:@include <stdio.h>]],
[[puts($func);]])],
[rb_cv_function_name_string=$func
break])
done
])
])]
)
AS_IF([test "$rb_cv_function_name_string" != no], [
AC_DEFINE_UNQUOTED(RUBY_FUNCTION_NAME_STRING, [$rb_cv_function_name_string])
])
AC_CACHE_CHECK(if enum over int is allowed, rb_cv_enum_over_int, [
rb_cv_enum_over_int=no
AS_IF([test "x$ac_cv_type_long_long" = xyes], [
type="unsigned long long" max="ULLONG_MAX"
], [
type="unsigned long" max="ULONG_MAX"
])
RUBY_WERROR_FLAG([
AC_COMPILE_IFELSE([
AC_LANG_BOOL_COMPILE_TRY([
@%:@include <limits.h>
enum {conftest_max = $max};
], [
(conftest_max == $max) &&
(sizeof(conftest_max) == sizeof($type))
]
)],
[rb_cv_enum_over_int=yes],
[rb_cv_enum_over_int=no]
)
])
])
AS_IF([test $rb_cv_enum_over_int = yes], [
AC_DEFINE(ENUM_OVER_INT, 1)
])
dnl Check whether we need to define sys_nerr locally
AC_CHECK_DECLS([sys_nerr], [], [], [$ac_includes_default
@%:@include <errno.h>])
AC_CHECK_DECLS([getenv])
AS_CASE(["$target_cpu"],
[alpha*|sh4|sh4el|sh4eb], [AS_CASE(["$target_os"::"$GCC"],
[*::yes], # gcc
[CFLAGS="-mieee $CFLAGS"],
[osf*], # ccc
[CFLAGS="-ieee $CFLAGS"],
)],
[sparc*], [AC_LIBOBJ([sparc])])
ac_cv_header_net_socket_h=${ac_cv_header_net_socket_h=no}
AS_IF([test "$ac_cv_header_net_socket_h" = yes], [
ac_cv_header_sys_socket_h=${ac_cv_header_sys_socket_h=no}
], [
ac_cv_header_sys_socket_h=${ac_cv_header_sys_socket_h=yes}
])
AC_TYPE_SIZE_T
RUBY_CHECK_SIGNEDNESS(size_t, [AC_MSG_ERROR(size_t is signed)], [],
[@%:@include <sys/types.h>])
RUBY_CHECK_SIZEOF(size_t, [int long void*], [], [@%:@include <sys/types.h>])
RUBY_CHECK_SIZEOF(ptrdiff_t, size_t, [], [@%:@include <stddef.h>])
RUBY_CHECK_SIZEOF(dev_t)
RUBY_CHECK_PRINTF_PREFIX(size_t, z)
RUBY_CHECK_PRINTF_PREFIX(ptrdiff_t, t)
AC_CHECK_MEMBERS([struct stat.st_blksize])
AC_CHECK_MEMBERS([struct stat.st_blocks])
AC_CHECK_MEMBERS([struct stat.st_rdev])
RUBY_CHECK_SIZEOF([struct stat.st_size], [off_t int long "long long"], [], [@%:@include <sys/stat.h>])
AS_IF([test "$ac_cv_member_struct_stat_st_blocks" = yes], [
RUBY_CHECK_SIZEOF([struct stat.st_blocks], [off_t int long "long long"], [], [@%:@include <sys/stat.h>])
])
RUBY_CHECK_SIZEOF([struct stat.st_ino], [long "long long"], [], [@%:@include <sys/stat.h>])
RUBY_CHECK_SIZEOF([struct stat.st_dev], [dev_t int long "long long"], [], [@%:@include <sys/stat.h>])
AS_IF([test "$ac_cv_member_struct_stat_st_rdev" = yes], [
RUBY_CHECK_SIZEOF([struct stat.st_rdev], [dev_t int long "long long"], [], [@%:@include <sys/stat.h>])
])
AC_CHECK_MEMBERS([struct stat.st_atim])
AC_CHECK_MEMBERS([struct stat.st_atimespec])
AC_CHECK_MEMBERS([struct stat.st_atimensec])
AC_CHECK_MEMBERS([struct stat.st_mtim])
AC_CHECK_MEMBERS([struct stat.st_mtimespec])
AC_CHECK_MEMBERS([struct stat.st_mtimensec])
AC_CHECK_MEMBERS([struct stat.st_ctim])
AC_CHECK_MEMBERS([struct stat.st_ctimespec])
AC_CHECK_MEMBERS([struct stat.st_ctimensec])
AC_CHECK_MEMBERS([struct stat.st_birthtimespec])
AS_IF([test "x$ac_cv_member_struct_stat_st_birthtimespec" != xyes],
[AC_CHECK_MEMBERS([struct statx.stx_btime])])
AC_CHECK_TYPES([struct timeval], [], [], [@%:@ifdef HAVE_TIME_H
@%:@include <time.h>
@%:@endif
@%:@ifdef HAVE_SYS_TIME_H
@%:@include <sys/time.h>
@%:@endif])
AS_IF([test "${ac_cv_type_struct_timeval}" = yes], [
RUBY_CHECK_SIZEOF([struct timeval.tv_sec], [time_t long "long long"], [],
[@%:@ifdef HAVE_TIME_H
@%:@include <time.h>
@%:@endif
@%:@ifdef HAVE_SYS_TIME_H
@%:@include <sys/time.h>
@%:@endif])
AS_CASE(${ac_cv_sizeof_struct_timeval_tv_sec},
[SIZEOF_INT], [t=int],
[SIZEOF_LONG], [t=long],
[SIZEOF_LONG_LONG], [t=LONG_LONG],
[t=])
AS_IF([test "${t}" != ""], [
AC_DEFINE_UNQUOTED(TYPEOF_TIMEVAL_TV_SEC, [$t])
])
])
AC_CHECK_TYPES([struct timespec], [], [], [@%:@ifdef HAVE_TIME_H
@%:@include <time.h>
@%:@endif
@%:@ifdef HAVE_SYS_TIME_H
@%:@include <sys/time.h>
@%:@endif])
AC_CHECK_TYPES([struct timezone], [], [], [@%:@ifdef HAVE_TIME_H
@%:@ include <time.h>
@%:@endif
@%:@ifdef HAVE_SYS_TIME_H
@%:@ include <sys/time.h>
@%:@endif])
AC_CACHE_VAL([rb_cv_large_fd_select],
[AC_CHECK_TYPE(fd_mask, [rb_cv_large_fd_select=yes], [rb_cv_large_fd_select=no], [AC_INCLUDES_DEFAULT([])
@%:@ifdef HAVE_SYS_SELECT_H
@%:@ include <sys/select.h>
@%:@endif])])
AS_IF([test "$rb_cv_large_fd_select" = yes], [
AC_DEFINE(HAVE_RB_FD_INIT, 1)
])
RUBY_DEFINT(int8_t, 1)
RUBY_DEFINT(uint8_t, 1, unsigned)
RUBY_DEFINT(int16_t, 2)
RUBY_DEFINT(uint16_t, 2, unsigned)
RUBY_DEFINT(int32_t, 4)
RUBY_DEFINT(uint32_t, 4, unsigned)
RUBY_DEFINT(int64_t, 8)
RUBY_DEFINT(uint64_t, 8, unsigned)
RUBY_DEFINT(int128_t, 16)
RUBY_DEFINT(uint128_t, 16, unsigned)
RUBY_DEFINT(intptr_t, void*)
RUBY_DEFINT(uintptr_t, void*, unsigned)
AS_IF([test "x$rb_cv_type_intptr_t" != xno], [
RUBY_CHECK_PRINTF_PREFIX(intptr_t, '' ll I64 l, PTR)
])
RUBY_DEFINT(ssize_t, size_t, [], [@%:@include <sys/types.h>]) dnl may differ from int, so not use AC_TYPE_SSIZE_T.
AS_IF([test "x$rb_cv_type_int64_t" != xno], [
RUBY_CHECK_PRINTF_PREFIX(int64_t, ll I64 l, 64)
])
AC_CACHE_CHECK(for stack end address, rb_cv_stack_end_address,
[rb_cv_stack_end_address=no
AC_LINK_IFELSE([AC_LANG_PROGRAM(
[[extern void *__libc_stack_end;]],
[[if (!__libc_stack_end) return 1;]])],
[rb_cv_stack_end_address="__libc_stack_end"])
])
AS_IF([test $rb_cv_stack_end_address != no], [
AC_DEFINE_UNQUOTED(STACK_END_ADDRESS, $rb_cv_stack_end_address)
])
dnl Checks for library functions.
AC_TYPE_GETGROUPS
AS_CASE(["${target_cpu}-${target_os}:${target_archs}"],
[powerpc*-darwin*], [
AC_LIBSOURCES(alloca.c)
AC_SUBST([ALLOCA], [\${LIBOBJDIR}alloca.${ac_objext}])
AC_DEFINE(C_ALLOCA)
AC_DEFINE_UNQUOTED(alloca, alloca)
],
[universal-darwin*:*ppc*], [
AC_LIBSOURCES(alloca.c)
AC_SUBST([ALLOCA], [\${LIBOBJDIR}alloca.${ac_objext}])
RUBY_DEFINE_IF([defined __POWERPC__], C_ALLOCA, 1) # Darwin defines __POWERPC__ for ppc and ppc64 both
RUBY_DEFINE_IF([defined __POWERPC__], alloca, alloca)
],
[
AC_FUNC_ALLOCA
])
AS_IF([test "x$ALLOCA" = "x"], [
AC_CACHE_CHECK([for dynamic size alloca], rb_cv_dynamic_alloca, [
for chk in ok __chkstk; do
AC_LINK_IFELSE([AC_LANG_PROGRAM([[
@%:@ifdef HAVE_ALLOCA_H
@%:@include <alloca.h>
@%:@endif
void $chk() {}
int dynamic_alloca_test;
int dynamic_alloca_result;]],
[[dynamic_alloca_result = alloca(dynamic_alloca_test) != 0;]])],
[rb_cv_dynamic_alloca=$chk; break])
done])
AS_IF([test "x$rb_cv_dynamic_alloca" = "x__chkstk"], [
AC_DEFINE_UNQUOTED(RUBY_ALLOCA_CHKSTK, _$rb_cv_dynamic_alloca)
AS_CASE("$target_cpu",
[x64|x86_64], [
AC_SUBST([ALLOCA], [\${LIBOBJDIR}x86_64-chkstk.${ac_objext}])
],)
])
])
AC_FUNC_MEMCMP
AS_CASE(["$target_os"],[freebsd*],[
AC_DEFINE(BROKEN_CLOSE)
AC_REPLACE_FUNCS(close)
])
# dup and dup2 are always available except for WASI
AS_CASE(["$target_os"],
[wasi*], [],
[
RUBY_REQUIRE_FUNCS(dup dup2)
]
)
AC_REPLACE_FUNCS(acosh)
AC_REPLACE_FUNCS(cbrt)
AC_REPLACE_FUNCS(crypt)
AC_REPLACE_FUNCS(erf)
AC_REPLACE_FUNCS(explicit_bzero)
AC_REPLACE_FUNCS(ffs)
AC_REPLACE_FUNCS(flock)
AC_REPLACE_FUNCS(hypot)
AC_REPLACE_FUNCS(lgamma_r)
AC_REPLACE_FUNCS(memmove)
AC_REPLACE_FUNCS(nan)
AC_REPLACE_FUNCS(nextafter)
AC_REPLACE_FUNCS(setproctitle)
AC_REPLACE_FUNCS(strchr)
AC_REPLACE_FUNCS(strerror)
AC_REPLACE_FUNCS(strlcat)
AC_REPLACE_FUNCS(strlcpy)
AC_REPLACE_FUNCS(strstr)
AC_REPLACE_FUNCS(tgamma)
AC_DEFINE(HAVE_ISFINITE) # C99; backward compatibility
# for missing/setproctitle.c
AS_CASE(["$target_os"],
[aix* | k*bsd*-gnu | kopensolaris*-gnu | linux* | darwin*], [AC_DEFINE(SPT_TYPE,SPT_REUSEARGV)],
[])
AC_CHECK_HEADERS(sys/pstat.h)
AC_DEFINE(HAVE_SIGNBIT) # C99; backward compatibility
AC_FUNC_FORK
AC_CHECK_FUNCS(__syscall)
AC_CHECK_FUNCS(_longjmp) # used for AC_ARG_WITH(setjmp-type)
# we don't use _setjmp if _longjmp doesn't exist.
test x$ac_cv_func__longjmp = xno && ac_cv_func__setjmp=no
AC_CHECK_FUNCS(arc4random_buf)
AC_CHECK_FUNCS(atan2l atan2f)
AC_CHECK_DECLS(atomic_signal_fence, [], [], [#include <stdatomic.h>])
AC_CHECK_FUNCS(chmod)
AC_CHECK_FUNCS(chown)
AC_CHECK_FUNCS(chroot)
AC_CHECK_FUNCS(chsize)
AC_CHECK_FUNCS(clock_gettime)
AC_CHECK_FUNCS(copy_file_range)
AC_CHECK_FUNCS(cosh)
AC_CHECK_FUNCS(crypt_r)
AC_CHECK_FUNCS(daemon)
AC_CHECK_FUNCS(dirfd)
AC_CHECK_FUNCS(dl_iterate_phdr)
AC_CHECK_FUNCS(dlopen)
AC_CHECK_FUNCS(dladdr)
AC_CHECK_FUNCS(dup3)
AC_CHECK_FUNCS(eaccess)
AC_CHECK_FUNCS(endgrent)
AC_CHECK_FUNCS(eventfd)
AC_CHECK_FUNCS(execl)
AC_CHECK_FUNCS(execle)
AC_CHECK_FUNCS(execv)
AC_CHECK_FUNCS(execve)
AC_CHECK_FUNCS(explicit_memset)
AC_CHECK_FUNCS(fcopyfile)
AC_CHECK_FUNCS(fchdir)
AC_CHECK_FUNCS(fchmod)
AC_CHECK_FUNCS(fchown)
AC_CHECK_FUNCS(fcntl)
AC_CHECK_FUNCS(fdatasync)
AC_CHECK_FUNCS(fdopendir)
AC_CHECK_FUNCS(fgetattrlist)
AC_CHECK_FUNCS(fmod)
AC_CHECK_FUNCS(fstatat)
AC_CHECK_FUNCS(fsync)
AC_CHECK_FUNCS(ftruncate)
AC_CHECK_FUNCS(ftruncate64) # used for Win32 platform
AC_CHECK_FUNCS(getattrlist)
AC_CHECK_FUNCS(getcwd)
AC_CHECK_FUNCS(getegid)
AC_CHECK_FUNCS(getentropy)
AC_CHECK_FUNCS(geteuid)
AC_CHECK_FUNCS(getgid)
AC_CHECK_FUNCS(getgidx)
AC_CHECK_FUNCS(getgrnam)
AC_CHECK_FUNCS(getgrnam_r)
AC_CHECK_FUNCS(getgroups)
AC_CHECK_FUNCS(getlogin)
AC_CHECK_FUNCS(getlogin_r)
AC_CHECK_FUNCS(getpgid)
AC_CHECK_FUNCS(getpgrp)
AC_CHECK_FUNCS(getppid)
AC_CHECK_FUNCS(getpriority)
AC_CHECK_FUNCS(getpwnam)
AC_CHECK_FUNCS(getpwnam_r)
AC_CHECK_FUNCS(getpwuid)
AC_CHECK_FUNCS(getpwuid_r)
AC_CHECK_FUNCS(getrandom)
AC_CHECK_FUNCS(getresgid)
AC_CHECK_FUNCS(getresuid)
AC_CHECK_FUNCS(getrlimit)
AC_CHECK_FUNCS(getsid)
AC_CHECK_FUNCS(gettimeofday) # for making ac_cv_func_gettimeofday
AC_CHECK_FUNCS(getuid)
AC_CHECK_FUNCS(getuidx)
AC_CHECK_FUNCS(gmtime_r)
AC_CHECK_FUNCS(initgroups)
AC_CHECK_FUNCS(ioctl)
AC_CHECK_FUNCS(isfinite)
AC_CHECK_FUNCS(issetugid)
AC_CHECK_FUNCS(kill)
AC_CHECK_FUNCS(killpg)
AC_CHECK_FUNCS(lchmod)
AC_CHECK_FUNCS(lchown)
AC_CHECK_FUNCS(link)
AC_CHECK_FUNCS(llabs)
AC_CHECK_FUNCS(lockf)
AC_CHECK_FUNCS(log2)
AC_CHECK_FUNCS(lstat)
AC_CHECK_FUNCS(lutimes)
AC_CHECK_FUNCS(malloc_usable_size)
AC_CHECK_FUNCS(malloc_size)
AC_CHECK_FUNCS(malloc_trim)
AC_CHECK_FUNCS(mblen)
AC_CHECK_FUNCS(memalign)
AC_CHECK_FUNCS(memset_s)
AC_CHECK_FUNCS(writev)
AC_CHECK_FUNCS(memrchr)
AC_CHECK_FUNCS(memmem)
AC_CHECK_FUNCS(mkfifo)
AC_CHECK_FUNCS(mknod)
AC_CHECK_FUNCS(mktime)
AC_CHECK_FUNCS(mmap)
AC_CHECK_FUNCS(mremap)
AC_CHECK_FUNCS(openat)
AC_CHECK_FUNCS(pclose)
AC_CHECK_FUNCS(pipe)
AC_CHECK_FUNCS(pipe2)
AC_CHECK_FUNCS(poll)
AC_CHECK_FUNCS(popen)
AC_CHECK_FUNCS(posix_fadvise)
AC_CHECK_FUNCS(posix_madvise)
AC_CHECK_FUNCS(posix_memalign)
AC_CHECK_FUNCS(ppoll)
AC_CHECK_FUNCS(pread)
AC_CHECK_FUNCS(pwrite)
AC_CHECK_FUNCS(qsort_r)
AC_CHECK_FUNCS(qsort_s)
AC_CHECK_FUNCS(readlink)
AC_CHECK_FUNCS(realpath)
AC_CHECK_FUNCS(round)
AC_CHECK_FUNCS(sched_getaffinity)
AC_CHECK_FUNCS(seekdir)
AC_CHECK_FUNCS(select_large_fdset)
AC_CHECK_FUNCS(sendfile)
AC_CHECK_FUNCS(setegid)
AC_CHECK_FUNCS(setenv)
AC_CHECK_FUNCS(seteuid)
AC_CHECK_FUNCS(setgid)
AC_CHECK_FUNCS(setgroups)
AC_CHECK_FUNCS(setpgid)
AC_CHECK_FUNCS(setpgrp)
AC_CHECK_FUNCS(setregid)
AC_CHECK_FUNCS(setresgid)
AC_CHECK_FUNCS(setresuid)
AC_CHECK_FUNCS(setreuid)
AC_CHECK_FUNCS(setrgid)
AC_CHECK_FUNCS(setrlimit)
AC_CHECK_FUNCS(setruid)
AC_CHECK_FUNCS(setsid)
AC_CHECK_FUNCS(setuid)
AC_CHECK_FUNCS(shutdown)
AC_CHECK_FUNCS(sigaction)
AC_CHECK_FUNCS(sigaltstack)
AC_CHECK_FUNCS(sigprocmask)
AC_CHECK_FUNCS(sinh)
AC_CHECK_FUNCS(snprintf)
AC_CHECK_FUNCS(spawnv)
AC_CHECK_FUNCS(symlink)
AC_CHECK_FUNCS(syscall)
AC_CHECK_FUNCS(sysconf)
AC_CHECK_FUNCS(system)
AC_CHECK_FUNCS(tanh)
AC_CHECK_FUNCS(telldir)
AC_CHECK_FUNCS(timegm)
AC_CHECK_FUNCS(times)
AC_CHECK_FUNCS(truncate)
AC_CHECK_FUNCS(truncate64) # used for Win32
AC_CHECK_FUNCS(tzset)
AC_CHECK_FUNCS(umask)
AC_CHECK_FUNCS(unsetenv)
AC_CHECK_FUNCS(utimensat)
AC_CHECK_FUNCS(utimes)
AC_CHECK_FUNCS(wait4)
AC_CHECK_FUNCS(waitpid)
AC_CHECK_FUNCS(__cospi)
AC_CHECK_FUNCS(__sinpi)
AS_IF([test "x$ac_cv_member_struct_statx_stx_btime" = xyes],
[AC_CHECK_FUNCS(statx)])
AS_IF([test "$ac_cv_func_getcwd" = yes], [
AC_CACHE_CHECK(if getcwd allocates buffer if NULL is given, [rb_cv_getcwd_malloc],
[AC_RUN_IFELSE([AC_LANG_SOURCE([[
@%:@include <stddef.h>
@%:@include <stdio.h>
@%:@ifdef HAVE_UNISTD_H
@%:@include <unistd.h>
@%:@endif
@%:@ifndef EXIT_SUCCESS
@%:@define EXIT_SUCCESS 0
@%:@endif
@%:@ifndef EXIT_FAILURE
@%:@define EXIT_FAILURE 1
@%:@endif
int
main(int argc, char **argv)
{
if (!getcwd(NULL, 0)) return EXIT_FAILURE;
return EXIT_SUCCESS;
}
]])],
rb_cv_getcwd_malloc=yes,
rb_cv_getcwd_malloc=no,
AS_CASE($target_os,
[linux*|darwin*|*bsd|cygwin*|msys*|mingw*|mswin*],
[rb_cv_getcwd_malloc=yes],
[rb_cv_getcwd_malloc=no]))])
AS_IF([test "$rb_cv_getcwd_malloc" = no], [AC_DEFINE(NO_GETCWD_MALLOC, 1)])
])
AS_IF([test "$ac_cv_func_crypt_r" = yes],
[AC_CHECK_HEADERS(crypt.h)])
AS_IF([test "$ac_cv_func_crypt_r:$ac_cv_header_crypt_h" = yes:yes],
[AC_CHECK_MEMBERS([struct crypt_data.initialized], [], [],
[AC_INCLUDES_DEFAULT([@%:@include <crypt.h>])])])
RUBY_CHECK_BUILTIN_FUNC(__builtin_alloca_with_align, [__builtin_alloca_with_align(1, 4096)])
RUBY_CHECK_BUILTIN_FUNC(__builtin_assume_aligned, [__builtin_assume_aligned((void*)32, 32)])
RUBY_CHECK_BUILTIN_FUNC(__builtin_bswap16, [__builtin_bswap16(0)])
RUBY_CHECK_BUILTIN_FUNC(__builtin_bswap32, [__builtin_bswap32(0)])
RUBY_CHECK_BUILTIN_FUNC(__builtin_bswap64, [__builtin_bswap64(0)])
RUBY_CHECK_BUILTIN_FUNC(__builtin_popcount, [__builtin_popcount(0)])
RUBY_CHECK_BUILTIN_FUNC(__builtin_popcountll, [__builtin_popcountll(0)])
RUBY_CHECK_BUILTIN_FUNC(__builtin_clz, [__builtin_clz(0)])
RUBY_CHECK_BUILTIN_FUNC(__builtin_clzl, [__builtin_clzl(0)])
RUBY_CHECK_BUILTIN_FUNC(__builtin_clzll, [__builtin_clzll(0)])
RUBY_CHECK_BUILTIN_FUNC(__builtin_ctz, [__builtin_ctz(0)])
RUBY_CHECK_BUILTIN_FUNC(__builtin_ctzll, [__builtin_ctzll(0)])
RUBY_CHECK_BUILTIN_FUNC(__builtin_add_overflow, [int x;__builtin_add_overflow(0,0,&x)])
RUBY_CHECK_BUILTIN_FUNC(__builtin_sub_overflow, [int x;__builtin_sub_overflow(0,0,&x)])
RUBY_CHECK_BUILTIN_FUNC(__builtin_mul_overflow, [int x;__builtin_mul_overflow(0,0,&x)])
RUBY_CHECK_BUILTIN_FUNC(__builtin_mul_overflow_p, [__builtin_mul_overflow_p(0,0,(int)0)])
RUBY_CHECK_BUILTIN_FUNC(__builtin_constant_p, [__builtin_constant_p(0)])
RUBY_CHECK_BUILTIN_FUNC(__builtin_choose_expr, [
[int x[__extension__(__builtin_choose_expr(1, 1, -1))]];
[int y[__extension__(__builtin_choose_expr(0, -1, 1))]];
])
AS_IF([test x$rb_cv_builtin___builtin_choose_expr = xyes], [
RUBY_CHECK_BUILTIN_FUNC(__builtin_choose_expr_constant_p, [
[int x[__extension__(__builtin_choose_expr(__builtin_constant_p(1), 1, -1))]];
[int y[__extension__(__builtin_choose_expr(__builtin_constant_p(foo), -1, 1))]];
])
])
RUBY_CHECK_BUILTIN_FUNC(__builtin_types_compatible_p, [__builtin_types_compatible_p(int, int)])
RUBY_CHECK_BUILTIN_FUNC(__builtin_trap, [__builtin_trap()])
RUBY_CHECK_BUILTIN_FUNC(__builtin_expect, [__builtin_expect(0, 0)])
AS_IF([test "$rb_cv_builtin___builtin_mul_overflow" != no], [
AC_CACHE_CHECK(for __builtin_mul_overflow with long long arguments, rb_cv_use___builtin_mul_overflow_long_long, [
AC_LINK_IFELSE([AC_LANG_SOURCE([[
#pragma clang optimize off
int
main(void)
{
long long x = 0, y;
__builtin_mul_overflow(x, x, &y);
return 0;
}
]])],
rb_cv_use___builtin_mul_overflow_long_long=yes,
rb_cv_use___builtin_mul_overflow_long_long=no)])
])
AS_IF([test "$rb_cv_use___builtin_mul_overflow_long_long" = yes], [
AC_DEFINE(USE___BUILTIN_MUL_OVERFLOW_LONG_LONG, 1)
])
AS_IF([test "$ac_cv_func_qsort_r" != no], [
AC_CACHE_CHECK(whether qsort_r is GNU version, rb_cv_gnu_qsort_r,
[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
@%:@include <stdlib.h>
void (qsort_r)(void *base, size_t nmemb, size_t size,
int (*compar)(const void *, const void *, void *),
void *arg);
]], [[ ]])],
[rb_cv_gnu_qsort_r=yes],
[rb_cv_gnu_qsort_r=no])
])
AC_CACHE_CHECK(whether qsort_r is BSD version, rb_cv_bsd_qsort_r,
[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
@%:@include <stdlib.h>
void (qsort_r)(void *base, size_t nmemb, size_t size,
void *arg, int (*compar)(void *, const void *, const void *));
]], [[ ]])],
[rb_cv_bsd_qsort_r=yes],
[rb_cv_bsd_qsort_r=no])
])
AS_CASE("$rb_cv_gnu_qsort_r:$rb_cv_bsd_qsort_r",
[yes:no], [
AC_DEFINE(HAVE_GNU_QSORT_R, 1)
],
[no:yes], [
AC_DEFINE(HAVE_BSD_QSORT_R, 1)
])
])
AC_CACHE_CHECK(whether atan2 handles Inf as C99, rb_cv_atan2_inf_c99, [
AS_IF([test $ac_cv_func_atan2f:$ac_cv_func_atan2l = yes:yes], [
AC_RUN_IFELSE([AC_LANG_SOURCE([[
@%:@include <math.h>
@%:@ifdef HAVE_UNISTD_H
@%:@include <unistd.h>
@%:@endif
@%:@ifndef EXIT_SUCCESS
@%:@define EXIT_SUCCESS 0
@%:@endif
@%:@ifndef EXIT_FAILURE
@%:@define EXIT_FAILURE 1
@%:@endif
int
main(int argc, char **argv)
{
if (fabs(atan2(INFINITY, INFINITY) - M_PI_4) <= 0.01) return EXIT_SUCCESS;
return EXIT_FAILURE;
}
]])],
[rb_cv_atan2_inf_c99=yes],
[rb_cv_atan2_inf_c99=no],
[AS_CASE($target_os, [mingw*|mswin*], [rb_cv_atan2_inf_c99=no], [rb_cv_atan2_inf_c99=yes])]
)
], [rb_cv_atan2_inf_c99=no])
])
AS_IF([test "x$rb_cv_atan2_inf_c99" = xyes], [AC_DEFINE(ATAN2_INF_C99)])
# Some platform need -lrt for clock_gettime, but the other don't.
AS_IF([test x"$ac_cv_func_clock_gettime" != xyes], [
# glibc 2.17 moves clock_* functions from librt to the main C library.
# https://sourceware.org/legacy-ml/libc-announce/2012/msg00001.html
AC_CHECK_LIB(rt, clock_gettime)
AS_IF([test x"$ac_cv_lib_rt_clock_gettime" = xyes], [
AC_DEFINE(HAVE_CLOCK_GETTIME, 1)
])
])
AC_CHECK_FUNCS(clock_getres) # clock_getres should be tested after clock_gettime test including librt test.
AC_CHECK_LIB([rt], [timer_create])
AC_CHECK_LIB([rt], [timer_settime])
AS_IF([test x"$ac_cv_lib_rt_timer_create" = xyes], [
AC_DEFINE(HAVE_TIMER_CREATE, 1)
])
AS_IF([test x"$ac_cv_lib_rt_timer_settime" = xyes], [
AC_DEFINE(HAVE_TIMER_SETTIME, 1)
])
AC_CACHE_CHECK(for unsetenv returns a value, rb_cv_unsetenv_return_value,
[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
#include <stdlib.h>
]], [[int v = unsetenv("foo");]])],
rb_cv_unsetenv_return_value=yes,
rb_cv_unsetenv_return_value=no)])
AS_IF([test "$rb_cv_unsetenv_return_value" = no], [
AC_DEFINE(VOID_UNSETENV)
])
# End of setjmp check.
AC_ARG_ENABLE(setreuid,
AS_HELP_STRING([--enable-setreuid], [use setreuid()/setregid() according to need even if obsolete]),
[use_setreuid=$enableval])
AS_IF([test "$use_setreuid" = yes], [
AC_DEFINE(USE_SETREUID)
AC_DEFINE(USE_SETREGID)
])
AC_STRUCT_TIMEZONE
AC_CACHE_CHECK(for struct tm.tm_gmtoff, rb_cv_member_struct_tm_tm_gmtoff,
[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
@%:@define _BSD_SOURCE
@%:@define _DEFAULT_SOURCE
@%:@include <time.h>
]],
[[struct tm t; t.tm_gmtoff = 3600;]])],
[rb_cv_member_struct_tm_tm_gmtoff=yes],
[rb_cv_member_struct_tm_tm_gmtoff=no])])
AS_IF([test "$rb_cv_member_struct_tm_tm_gmtoff" = yes], [
AC_DEFINE(HAVE_STRUCT_TM_TM_GMTOFF)
])
AC_CACHE_CHECK(for external int daylight, rb_cv_have_daylight,
[AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <time.h>
int i;]],
[[i = daylight;]])],
rb_cv_have_daylight=yes,
rb_cv_have_daylight=no)])
AS_IF([test "$rb_cv_have_daylight" = yes], [
AC_DEFINE(HAVE_DAYLIGHT)
])
AC_CACHE_CHECK(for negative time_t for gmtime(3), rb_cv_negative_time_t,
[AC_RUN_IFELSE([AC_LANG_SOURCE([[
#include <stdlib.h>
#include <time.h>
void
check(tm, y, m, d, h, s)
struct tm *tm;
int y, m, d, h, s;
{
if (!tm ||
tm->tm_year != y ||
tm->tm_mon != m-1 ||
tm->tm_mday != d ||
tm->tm_hour != h ||
tm->tm_sec != s) {
exit(1);
}
}
int
main()
{
time_t t = -1;
struct tm *tm;
check(gmtime(&t), 69, 12, 31, 23, 59);
t = ~(time_t)0 << 31;
check(gmtime(&t), 1, 12, 13, 20, 52);
return 0;
}
]])],
rb_cv_negative_time_t=yes,
rb_cv_negative_time_t=no,
rb_cv_negative_time_t=yes)])
AS_IF([test "$rb_cv_negative_time_t" = yes], [
AC_DEFINE(NEGATIVE_TIME_T)
])
# [ruby-dev:40910] overflow of time on FreeBSD
# https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=145341
AC_CACHE_CHECK(for localtime(3) overflow correctly, rb_cv_localtime_overflow,
[AC_RUN_IFELSE([AC_LANG_SOURCE([[
#include <stdlib.h>
#include <time.h>
void
check(time_t t1)
{
struct tm *tm;
time_t t2;
tm = localtime(&t1);
if (!tm)
return; /* overflow detected. ok. */
t2 = mktime(tm);
if (t1 == t2)
return; /* round-trip. ok. */
exit(1);
}
int
main()
{
time_t t;
if (~(time_t)0 <= 0) {
t = (((time_t)1) << (sizeof(time_t) * 8 - 2));
t |= t - 1;
}
else {
t = ~(time_t)0;
}
check(t);
return 0;
}
]])],
rb_cv_localtime_overflow=yes,
rb_cv_localtime_overflow=no,
rb_cv_localtime_overflow=no)])
AS_IF([test "$rb_cv_localtime_overflow" = no], [
AC_DEFINE(LOCALTIME_OVERFLOW_PROBLEM)
])
AS_IF([test "$ac_cv_func_sigprocmask" = yes && test "$ac_cv_func_sigaction" = yes], [
AC_DEFINE(POSIX_SIGNAL)
], [
AC_CHECK_FUNCS(sigsetmask)
AC_CACHE_CHECK(for BSD signal semantics, rb_cv_bsd_signal,
[AC_RUN_IFELSE([AC_LANG_SOURCE([[
#include <stdio.h>
#include <signal.h>
void
sig_handler(dummy)
int dummy;
{
}
int
main()
{
signal(SIGINT, sig_handler);
kill(getpid(), SIGINT);
kill(getpid(), SIGINT);
return 0;
}
]])],
rb_cv_bsd_signal=yes,
rb_cv_bsd_signal=no,
rb_cv_bsd_signal=$ac_cv_func_sigsetmask)])
AS_IF([test "$rb_cv_bsd_signal" = yes], [
AC_DEFINE(BSD_SIGNAL)
])
])
AC_CHECK_TYPES([sig_t],[],[],[@%:@include <signal.h>])
AS_IF([test "$ac_cv_func_getpgid" = no], [
# AC_FUNC_GETPGRP fails when cross-compiling with old autoconf.
# autoconf is changed between 2.52d and 2.52f?
# https://lists.gnu.org/archive/html/bug-gnu-utils/2001-09/msg00181.html
# "autoconf cleanup for AC_FUNC_GETPGRP and GETPGRP_VOID"
AC_FUNC_GETPGRP
])
AS_IF([test "$ac_cv_func_setpgid:$ac_cv_func_setpgrp" = no:yes], [
# AC_FUNC_SETPGRP fails when cross-compiling. (until autoconf 2.69?)
# https://lists.gnu.org/archive/html/bug-autoconf/2013-02/msg00002.html
# "AC_FUNC_SETPGRP fails to work properly when cross-compiling"
AC_FUNC_SETPGRP
])
AS_IF([test x"$ac_cv_func_dirfd" = xno], [
AS_CASE(["$target_os"],[solaris*],
[AC_CHECK_MEMBERS([DIR.d_fd, DIR.dd_fd],,,[
#include <sys/types.h>
#include <dirent.h>
])])
])
AC_CACHE_CHECK(whether right shift preserve sign bit, rb_cv_rshift_sign,
[AC_COMPILE_IFELSE([AC_LANG_BOOL_COMPILE_TRY([], [(-1==(-1>>1))])],
rb_cv_rshift_sign=yes,
rb_cv_rshift_sign=no)])
AS_IF([test "$rb_cv_rshift_sign" = yes], [
AC_DEFINE(RSHIFT(x,y), ((x)>>(int)(y)))
], [
AC_DEFINE(RSHIFT(x,y), (((x)<0) ? ~((~(x))>>(int)(y)) : (x)>>(int)(y)))
])
AS_IF([test "$ac_cv_func_copy_file_range" = no], [
AC_CACHE_CHECK([for copy_file_range],
rb_cv_use_copy_file_range,
[AC_RUN_IFELSE([AC_LANG_SOURCE([[
#include <sys/types.h>
#include <sys/stat.h>
#include <sys/syscall.h>
#include <fcntl.h>
#include <unistd.h>
#ifndef O_TMPFILE
#define O_TMPFILE __O_TMPFILE
#endif
int
main()
{
#ifdef __NR_copy_file_range
int ret, fd_in, fd_out;
fd_in = open("/tmp", O_TMPFILE|O_RDWR, S_IRUSR);
fd_out = open("/tmp", O_TMPFILE|O_WRONLY, S_IWUSR);
ret = syscall(__NR_copy_file_range, fd_in, NULL, fd_out, NULL, 0, 0);
close(fd_in);
close(fd_out);
if (ret == -1) { return 1; }
return 0;
#else
return 1;
#endif
}
]])],
[rb_cv_use_copy_file_range=yes],
[rb_cv_use_copy_file_range=no],
[rb_cv_use_copy_file_range=no])])
])
AS_CASE(["$ac_cv_func_copy_file_range:$rb_cv_use_copy_file_range"], [*yes*], [
AC_DEFINE(USE_COPY_FILE_RANGE)
])
AS_CASE(["$ac_cv_func_gettimeofday:$ac_cv_func_clock_gettime"],
[*yes*], [],
[
AC_MSG_ERROR(clock_gettime() or gettimeofday() must exist)
])
AS_IF([test "$ac_cv_func_sysconf" = yes], [
RUBY_CHECK_SYSCONF(CLK_TCK)
])
AS_IF([test "${universal_binary-no}" = yes ], [
archflagpat=`eval echo '"'"${ARCH_FLAG}"'"' | sed 's/[[][|.*]]/\\&/g'`
save_CFLAGS="$CFLAGS" new_cflags=`echo "$CFLAGS" | sed "s|$archflagpat"'||'`
save_LDFLAGS="$LDFLAGS" new_ldflags=`echo "$LDFLAGS" | sed "s|$archflagpat"'||'`
stack_dir=
for archs in ${universal_archnames}; do
archs=`echo $archs | sed 's/=.*//'`
CFLAGS="$new_cflags -arch $archs"
LDFLAGS="$new_ldflags -arch $archs"
RUBY_STACK_GROW_DIRECTION($archs, dir)
AS_IF([test x$stack_dir = x], [
stack_dir=$dir
], [test x$stack_dir != x$dir], [
stack_dir=no
])
done
CFLAGS="$save_CFLAGS" LDFLAGS="$save_LDFLAGS"
AS_IF([test x$stack_dir = xno], [
for archs in ${universal_archnames}; do
archs=`echo $archs | sed 's/=.*//'`
eval dir=\$[rb_cv_stack_grow_dir_]AS_TR_SH([$archs])
RUBY_DEFINE_IF([defined __${archs}__], STACK_GROW_DIRECTION, $dir)
done
], [
AC_DEFINE_UNQUOTED(STACK_GROW_DIRECTION, $stack_dir)
])
], [
RUBY_STACK_GROW_DIRECTION($target_cpu, dir)
AC_DEFINE_UNQUOTED(STACK_GROW_DIRECTION, $dir)
])
AC_ARG_WITH(coroutine,
AS_HELP_STRING([--with-coroutine=IMPLEMENTATION], [specify the coroutine implementation to use]),
[coroutine_type=$withval], [coroutine_type=])
AS_CASE([$coroutine_type], [yes|''], [
coroutine_type=
AS_CASE(["$target_cpu-$target_os"],
[universal-darwin*], [
coroutine_type=universal
],
[x*64-darwin*], [
coroutine_type=amd64
],
[arm64-darwin*], [
coroutine_type=arm64
],
# Correct target name is powerpc*-, but Ruby seems to prefer ppc*-.
# Notice that Darwin PPC ABI differs from AIX and ELF.
# Adding PPC targets for AIX, *BSD and *Linux will require separate implementations.
[powerpc-darwin*|ppc-darwin*], [
coroutine_type=ppc
],
[powerpc64-darwin*|ppc64-darwin*], [
coroutine_type=ppc64
],
[x*64-linux*], [
AS_CASE(["$ac_cv_sizeof_voidp"],
[8], [ coroutine_type=amd64 ],
[4], [ coroutine_type=x86 ],
dnl unknown pointer size, bail out as no Context.h soon.
)
],
[*86-linux*], [
coroutine_type=x86
],
[x64-mingw*], [
coroutine_type=win64
],
[*86-mingw*], [
coroutine_type=win32
],
[aarch64-mingw*], [
coroutine_type=arm64
],
[arm*-linux*], [
coroutine_type=arm32
],
[aarch64-linux*], [
coroutine_type=arm64
],
[powerpc64le-linux*], [
coroutine_type=ppc64le
],
[riscv64-linux*], [
coroutine_type=riscv64
],
[loongarch64-linux*], [
coroutine_type=loongarch64
],
[x86_64-freebsd*], [
coroutine_type=amd64
],
[i386-freebsd*], [
coroutine_type=x86
],
[aarch64-freebsd*], [
coroutine_type=arm64
],
[x86_64-netbsd*], [
coroutine_type=amd64
],
[i386-netbsd*], [
coroutine_type=x86
],
[aarch64-netbsd*], [
coroutine_type=arm64
],
[x86_64-openbsd*], [
coroutine_type=amd64
],
[i386-openbsd*], [
coroutine_type=x86
],
[aarch64-openbsd*], [
coroutine_type=arm64
],
[*-openbsd*], [
coroutine_type=pthread
],
[x86_64-dragonfly*], [
coroutine_type=amd64
],
[*-haiku*], [
coroutine_type=pthread
],
[*-emscripten*], [
coroutine_type=emscripten
],
[*-wasi*], [
coroutine_type=asyncify
],
[
AC_CHECK_FUNCS([getcontext swapcontext makecontext],
[coroutine_type=ucontext],
[coroutine_type=pthread; break]
)
]
)
AC_MSG_CHECKING(native coroutine implementation for ${target_cpu}-${target_os})
AC_MSG_RESULT(${coroutine_type})
])
COROUTINE_H=coroutine/$coroutine_type/Context.h
AS_IF([test ! -f "$srcdir/$COROUTINE_H"],
[AC_MSG_ERROR('$coroutine_type' is not supported as coroutine)])
COROUTINE_SRC=coroutine/$coroutine_type/Context.c
AS_IF([test ! -f "$srcdir/$COROUTINE_SRC"],
[COROUTINE_SRC=coroutine/$coroutine_type/Context.'$(ASMEXT)'])
AC_DEFINE_UNQUOTED(COROUTINE_H, ["$COROUTINE_H"])
AC_SUBST(X_COROUTINE_H, [$COROUTINE_H])
AC_SUBST(X_COROUTINE_SRC, [$COROUTINE_SRC])
AS_IF([test "$THREAD_MODEL" = pthread], [
AC_CACHE_CHECK([whether pthread_t is scalar type], [rb_cv_scalar_pthread_t], [
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
@%:@include <pthread.h>
]], [[
pthread_t thread_id;
thread_id = 0;
if (!thread_id) return 0;
]])],[rb_cv_scalar_pthread_t=yes],[rb_cv_scalar_pthread_t=no])
])
AS_IF([test x"$rb_cv_scalar_pthread_t" = xyes], [
: # RUBY_CHECK_SIZEOF(pthread_t, [void* int long], [], [@%:@include <pthread.h>])
], [
AC_DEFINE(NON_SCALAR_THREAD_ID)
])
AC_CHECK_FUNCS(sched_yield pthread_attr_setinheritsched \
pthread_attr_get_np pthread_attr_getstack pthread_attr_getguardsize \
pthread_get_stackaddr_np pthread_get_stacksize_np \
thr_stksegment pthread_stackseg_np pthread_getthrds_np \
pthread_condattr_setclock \
pthread_setname_np pthread_set_name_np)
AS_CASE(["$target_os"],[emscripten*],[ac_cv_func_pthread_sigmask=no],[AC_CHECK_FUNCS(pthread_sigmask)])
AS_CASE(["$target_os"],[aix*],[ac_cv_func_pthread_getattr_np=no],[AC_CHECK_FUNCS(pthread_getattr_np)])
set_current_thread_name=
AS_IF([test "$ac_cv_func_pthread_setname_np" = yes], [
AC_CACHE_CHECK([arguments of pthread_setname_np], [rb_cv_func_pthread_setname_np_arguments],
[rb_cv_func_pthread_setname_np_arguments=
# Linux,AIX, (pthread_self(), name)
# NetBSD (pthread_self(), \"%s\", name)
# Darwin (name)
for mac in \
"(pthread_self(), name)" \
"(pthread_self(), \"%s\", name)" \
"(name)" \
; do
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
@%:@include <pthread.h>
@%:@ifdef HAVE_PTHREAD_NP_H
@%:@include <pthread_np.h>
@%:@endif
@%:@define SET_THREAD_NAME(name) pthread_setname_np${mac}
]],
[[if (SET_THREAD_NAME("conftest")) return 1;]])],
[rb_cv_func_pthread_setname_np_arguments="${mac}"
break])
done
]
)
AS_IF([test -n "${rb_cv_func_pthread_setname_np_arguments}"], [
set_current_thread_name="pthread_setname_np${rb_cv_func_pthread_setname_np_arguments}"
])
], [test "$ac_cv_func_pthread_set_name_np" = yes], [
set_current_thread_name="pthread_set_name_np(pthread_self(), name)"
])
AS_IF([test -n "$set_current_thread_name"], [
AC_DEFINE_UNQUOTED(SET_CURRENT_THREAD_NAME(name), $set_current_thread_name)
AS_CASE([$set_current_thread_name],
[*'pthread_self()'*], [
set_another_thread_name=`echo "$set_current_thread_name" | sed 's/pthread_self()/thid/'`
AC_DEFINE_UNQUOTED(SET_ANOTHER_THREAD_NAME(thid,name), $set_another_thread_name)
])
])
AC_CACHE_CHECK([for thread-local storage specifier], [rb_cv_tls_specifier],
rb_cv_tls_specifier=none
RUBY_WERROR_FLAG([
for attr in \
_Thread_local \
__thread \
; do
AC_LINK_IFELSE([AC_LANG_PROGRAM([[$attr int conftest;]])],
[rb_cv_tls_specifier=$attr; break])
done
])
)
AS_IF([test x"${rb_cv_tls_specifier}" != xnone],
[AC_DEFINE_UNQUOTED(RB_THREAD_LOCAL_SPECIFIER, ${rb_cv_tls_specifier})]
)
])
AS_IF([test x"$ac_cv_header_ucontext_h" = xno], [
AC_CACHE_CHECK([if signal.h defines ucontext_t], [rb_cv_ucontext_in_signal_h],
[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[@%:@include <signal.h>]],
[[size_t size = sizeof(ucontext_t);]])],
[rb_cv_ucontext_in_signal_h=yes], [rb_cv_ucontext_in_signal_h=no])])
AS_IF([test x"$rb_cv_ucontext_in_signal_h" = xyes], [
AC_DEFINE_UNQUOTED(UCONTEXT_IN_SIGNAL_H, 1)
])
])
AS_IF([test x"$ac_cv_header_ucontext_h" = xyes -o x"$rb_cv_ucontext_in_signal_h" = xyes], [
AC_CACHE_CHECK([if mcontext_t is a pointer], [rb_cv_mcontext_t_ptr],
[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
@%:@include <signal.h>
@%:@ifdef HAVE_UCONTEXT_H
@%:@include <ucontext.h>
@%:@endif
mcontext_t test(mcontext_t mc) {return mc+1;}
]],
[[test(0);]])],
[rb_cv_mcontext_t_ptr=yes], [rb_cv_mcontext_t_ptr=no])])
AS_IF([test x"$rb_cv_mcontext_t_ptr" = xyes], [
AC_DEFINE_UNQUOTED(DEFINE_MCONTEXT_PTR(mc, uc), mcontext_t mc = (uc)->uc_mcontext)
], [
AC_DEFINE_UNQUOTED(DEFINE_MCONTEXT_PTR(mc, uc), mcontext_t *mc = &(uc)->uc_mcontext)
])
AS_IF([test x"$THREAD_MODEL" = xpthread], [
AC_CHECK_FUNCS(getcontext setcontext)
])
])
AS_IF([test "$ac_cv_func_fork_works" = "yes" -a x"$THREAD_MODEL" = xpthread], [
AC_CACHE_CHECK([if fork works with pthread], rb_cv_fork_with_pthread,
[AC_RUN_IFELSE([AC_LANG_SOURCE([[
#include <stdlib.h>
#include <unistd.h>
#include <pthread.h>
#include <stdio.h>
#include <sys/types.h>
#include <sys/wait.h>
#include <signal.h>
#ifndef EXIT_SUCCESS
#define EXIT_SUCCESS 0
#endif
#ifndef EXIT_FAILURE
#define EXIT_FAILURE 1
#endif
void *
thread_func(void *dmy)
{
return dmy;
}
int
use_threads(void)
{
pthread_t tid;
if (pthread_create(&tid, 0, thread_func, 0) != 0) {
return -1;
}
if (pthread_join(tid, 0) != 0) {
return -1;
}
return 0;
}
int
main(int argc, char *argv[])
{
pid_t pid;
if (use_threads()) return EXIT_FAILURE;
pid = fork();
if (pid) {
int loc;
sleep(1);
if (waitpid(pid, &loc, WNOHANG) == 0) {
kill(pid, SIGKILL);
return EXIT_FAILURE;
}
if (!WIFEXITED(loc) || WEXITSTATUS(loc) != EXIT_SUCCESS)
return EXIT_FAILURE;
}
else {
if (use_threads()) return EXIT_FAILURE;
}
return EXIT_SUCCESS;
}]])],
rb_cv_fork_with_pthread=yes,
rb_cv_fork_with_pthread=no,
rb_cv_fork_with_pthread=yes)])
test x$rb_cv_fork_with_pthread = xyes || AC_DEFINE(CANNOT_FORK_WITH_PTHREAD)
])
AC_CHECK_HEADERS([sys/user.h])
AS_IF([test "x$ac_cv_func_mmap" = xyes], [
AC_CACHE_CHECK([whether PAGE_SIZE is compile-time const], rb_cv_const_page_size,
[malloc_headers=`sed -n '/MALLOC_HEADERS_BEGIN/,/MALLOC_HEADERS_END/p' ${srcdir}/gc.c`
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[$malloc_headers
typedef char conftest_page[PAGE_SIZE];
]], [[]])],
[rb_cv_const_page_size=yes],
[rb_cv_const_page_size=no])])
])
AS_IF([test "x$rb_cv_const_page_size" = xyes],
[AC_DEFINE(HAVE_CONST_PAGE_SIZE, 1)],
[AC_DEFINE(HAVE_CONST_PAGE_SIZE, 0)]
)
AS_IF([test "x$ac_cv_func_ioctl" = xyes], [
AC_CACHE_CHECK([ioctl request type], rb_cv_ioctl_request_type,
[rb_cv_ioctl_request_type=no
dnl corresponding NUM2IOCTLREQ needs to be defined
for type in "unsigned long:ULONG_MAX" int:INT_MAX; do
max=`echo $type | sed 's/.*://'`
type=`echo $type | sed 's/:.*//'`
RUBY_WERROR_FLAG([
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
@%:@include <limits.h>
@%:@include <sys/types.h>
@%:@if defined(HAVE_SYS_IOCTL_H) && !defined(_WIN32)
@%:@include <sys/ioctl.h>
@%:@endif
]], [[
$type req = $max;
if (ioctl(0, req)) {/* do nothing*/};
]])],
[rb_cv_ioctl_request_type="$type"])
])
test "x$rb_cv_ioctl_request_type" = xno || break
done])
AS_CASE(["$rb_cv_ioctl_request_type"], [no|int], [],
["unsigned long"], [
AC_DEFINE_UNQUOTED(IOCTL_REQ_TYPE, [$rb_cv_ioctl_request_type])
AC_DEFINE_UNQUOTED(NUM2IOCTLREQ(num), [NUM2ULONG(num)])
])
])
}
[begin]_group "runtime section" && {
dnl whether use dln_a_out or not
AC_ARG_WITH(dln-a-out,
AS_HELP_STRING([--with-dln-a-out], [dln_a_out is deprecated]),
[
AS_CASE([$withval],
[yes], [
AC_MSG_ERROR(dln_a_out no longer supported)
])
])
AS_IF([test "$rb_cv_binary_elf" = yes], [
AC_DEFINE(USE_ELF)
AC_CHECK_HEADERS([elf.h elf_abi.h])
AS_IF([test $ac_cv_header_elf_h = yes -o $ac_cv_header_elf_abi_h = yes], [
AC_LIBOBJ([addr2line])
AC_CHECK_LIB([z], [uncompress])
])
])
AC_CHECK_HEADERS([mach-o/loader.h])
AS_IF([test "$ac_cv_header_mach_o_loader_h" = yes], [
AC_LIBOBJ([addr2line])
])
AS_CASE(["$target_os"],
[linux* | gnu* | k*bsd*-gnu | bsdi* | kopensolaris*-gnu], [
AS_IF([test "$rb_cv_binary_elf" = no], [
AC_MSG_ERROR(Not ELF)
], [
LDFLAGS="$LDFLAGS -rdynamic"
])])
LIBEXT=a
AC_SUBST(DLDFLAGS)dnl
AC_SUBST(ARCH_FLAG)dnl
AC_SUBST(STATIC)dnl
AC_SUBST(CCDLFLAGS)dnl
AC_SUBST(LDSHARED)dnl
AC_SUBST(LDSHAREDXX)dnl
AC_SUBST(DLEXT)dnl
AC_SUBST(LIBEXT)dnl
AC_SUBST(ASMEXT, S)dnl
STATIC=
: "dlopen" && {
rb_cv_dlopen=unknown
AC_MSG_CHECKING(whether OS depend dynamic link works)
AS_IF([test "$GCC" = yes], [
AS_CASE(["$target_os"],
[darwin*], [
# The -fno-common is needed if we wish to embed the Ruby interpreter
# into a plugin module of some project (as opposed to embedding it
# within the project's application). The -I/usr/local/include is
# needed because CPP as discovered by configure (cc -E -traditional)
# fails to consult /usr/local/include by default. This causes
# mkmf.rb's have_header() to fail if the desired resource happens to be
# installed in the /usr/local tree.
RUBY_APPEND_OPTION(CCDLFLAGS, -fno-common)],
[bsdi*|cygwin*|msys*|mingw*|aix*|interix*], [ ],
[
RUBY_APPEND_OPTION(CCDLFLAGS, -fPIC)])
], [
AS_CASE(["$target_os"],
[solaris*|irix*], [CCDLFLAGS="$CCDLFLAGS -KPIC"],
[sunos*], [CCDLFLAGS="$CCDLFLAGS -PIC"],
[esix*|uxpds*], [CCDLFLAGS="$CCDLFLAGS -KPIC"],
[: ${CCDLFLAGS=""}])
])
}
EXTSTATIC=
AC_SUBST(EXTSTATIC)dnl
AC_ARG_WITH(static-linked-ext,
AS_HELP_STRING([--with-static-linked-ext], [link external modules statically]),
[AS_CASE([$withval],[yes],[STATIC=;EXTSTATIC=static],[no],[],[EXTSTATIC="$withval"])])
AS_CASE([",$EXTSTATIC,"], [,static,|*,enc,*], [
ENCOBJS='enc/encinit.$(OBJEXT) enc/libenc.$(LIBEXT) enc/libtrans.$(LIBEXT)'
EXTOBJS='ext/extinit.$(OBJEXT)'
AC_DEFINE_UNQUOTED(EXTSTATIC, 1)
AC_SUBST(ENCSTATIC, static)
], [
ENCOBJS='dmyenc.$(OBJEXT)'
EXTOBJS='dmyext.$(OBJEXT)'
])
AC_SUBST(ENCOBJS)
AC_SUBST(EXTOBJS)
: "rpath" && {
AS_CASE(["$target_os"],
[solaris*], [ AS_IF([test "$GCC" = yes], [
: ${LDSHARED='$(CC) -shared'}
AS_IF([test "$rb_cv_prog_gnu_ld" = yes], [
LDFLAGS="$LDFLAGS -Wl,-E"
])
], [
: ${LDSHARED='$(CC) -G'}
])
AS_IF([test "$ac_cv_sizeof_voidp" = 8], [
: ${LIBPATHENV=LD_LIBRARY_PATH_64}
: ${PRELOADENV=LD_PRELOAD_64}
], [
: ${LIBPATHENV=LD_LIBRARY_PATH_32}
: ${PRELOADENV=LD_PRELOAD_32}
])
rb_cv_dlopen=yes],
[sunos*], [ : ${LDSHARED='$(LD) -assert nodefinitions'}
rb_cv_dlopen=yes],
[irix*], [ : ${LDSHARED='$(LD) -shared'}
rb_cv_dlopen=yes],
[sysv4*], [ : ${LDSHARED='$(LD) -G'}
rb_cv_dlopen=yes],
[nto-qnx*], [ : ${LDSHARED='$(CC) -shared'}
rb_cv_dlopen=yes],
[esix*|uxpds*], [ : ${LDSHARED='$(LD) -G'}
rb_cv_dlopen=yes],
[osf*], [ : ${LDSHARED='$(LD) -shared -expect_unresolved "*"'}
rb_cv_dlopen=yes],
[bsdi3*], [ AS_CASE(["$CC"],
[*shlicc*], [ : ${LDSHARED='$(CC) -r'}
rb_cv_dlopen=yes])],
[linux* | gnu* | k*bsd*-gnu | netbsd* | bsdi* | kopensolaris*-gnu | haiku*], [
: ${LDSHARED='$(CC) -shared'}
AS_IF([test "$rb_cv_binary_elf" = yes], [
LDFLAGS="$LDFLAGS -Wl,-export-dynamic"
])
rb_cv_dlopen=yes],
[interix*], [ : ${LDSHARED='$(CC) -shared'}
XLDFLAGS="$XLDFLAGS -Wl,-E"
rb_cv_dlopen=yes],
[freebsd*|dragonfly*], [
: ${LDSHARED='$(CC) -shared'}
AS_IF([test "$rb_cv_binary_elf" = yes], [
LDFLAGS="$LDFLAGS -rdynamic"
DLDFLAGS="$DLDFLAGS "'-Wl,-soname,$@'
], [
test "$GCC" = yes && test "$rb_cv_prog_gnu_ld" = yes || LDSHARED='$(LD) -Bshareable'
])
rb_cv_dlopen=yes],
[openbsd*|mirbsd*], [ : ${LDSHARED='$(CC) -shared ${CCDLFLAGS}'}
AS_IF([test "$rb_cv_binary_elf" = yes], [
LDFLAGS="$LDFLAGS -Wl,-E"
])
rb_cv_dlopen=yes],
[darwin*], [ : ${LDSHARED='$(CC) -dynamic -bundle'}
: ${DLDSHARED='$(CC) -dynamiclib'}
: ${LDFLAGS=""}
: ${LIBPATHENV=DYLD_LIBRARY_PATH}
: ${PRELOADENV=DYLD_INSERT_LIBRARIES}
AS_IF([test x"$enable_shared" = xyes], [
# Resolve symbols from libruby.dylib in $(LIBS) when --enable-shared
], [test "x$EXTSTATIC" = x], [
# When building exts as bundles, a mach-o bundle needs to know its loader
# program to bind symbols from the ruby executable
EXTDLDFLAGS="-bundle_loader '\$(BUILTRUBY)'"
])
rb_cv_dlopen=yes],
[aix*], [ : ${LDSHARED='$(CC)'}
AS_IF([test "$GCC" = yes], [
LDSHARED="$LDSHARED ${linker_flag}-G -shared"
], [
LDSHARED="$LDSHARED ${linker_flag}-G"
])
EXTDLDFLAGS='-e$(TARGET_ENTRY)'
XLDFLAGS="${linker_flag}"'-bE:$(ARCHFILE)'" ${linker_flag}-brtl"
XLDFLAGS="$XLDFLAGS ${linker_flag}-blibpath:${prefix}/lib:${LIBPATH:-/usr/lib:/lib}"
: ${ARCHFILE="ruby.imp"}
TRY_LINK='$(CC) -oconftest $(INCFLAGS) -I$(hdrdir) $(CPPFLAGS)'
TRY_LINK="$TRY_LINK"' $(CFLAGS) $(src) $(LIBPATH) $(LDFLAGS) $(LOCAL_LIBS) $(LIBS)'
: ${LIBPATHENV=LIBPATH}
: ${PRELOADENV=LDR_PRELOAD}
rb_cv_dlopen=yes],
[nto-qnx*], [ DLDFLAGS="$DLDFLAGS -L/lib -L/usr/lib -L/usr/local/lib"
: ${LDSHARED='$(LD) -Bshareable -x'}
LDFLAGS="$LDFLAGS -L/lib -L/usr/lib -L/usr/local/lib"
rb_cv_dlopen=yes],
[cygwin*|msys*|mingw*], [
: ${LDSHARED='$(CC) -shared'}
XLDFLAGS="$XLDFLAGS -Wl,--stack,0x00200000,--enable-auto-import"
DLDFLAGS="${DLDFLAGS} -Wl,--enable-auto-image-base,--enable-auto-import"
: ${LIBPATHENV=PATH}
: ${PRELOADENV=""}
rb_cv_dlopen=yes],
[hiuxmpp], [ : ${LDSHARED='$(LD) -r'}],
[atheos*], [ : ${LDSHARED='$(CC) -shared'}
rb_cv_dlopen=yes],
[wasi*], [ : ${LDSHARED='$(LD) -shared -Xlinker --export-dynamic'}],
[ : ${LDSHARED='$(LD)'}])
AC_MSG_RESULT($rb_cv_dlopen)
}
AS_IF([test "$rb_cv_dlopen" = yes], [
AS_CASE(["$target_os"],
[darwin*], [
AC_SUBST(ADDITIONAL_DLDFLAGS, "")
for flag in \
"-multiply_defined suppress" \
"-undefined dynamic_lookup" \
; do
test "x${linker_flag}" = x || flag="${linker_flag}`echo ${flag} | tr ' ' ,`"
RUBY_TRY_LDFLAGS([$flag], [], [flag=])
AS_IF([test x"$flag" = x], [continue])
AC_MSG_CHECKING([whether $flag is accepted for bundle])
: > conftest.c
AS_IF([${LDSHARED%%'$(CC)'*}$CC${LDSHARED@%:@*'$(CC)'} -o conftest.bundle $flag conftest.c >/dev/null 2>conftest.err &&
test ! -s conftest.err], [
AC_MSG_RESULT([yes])
RUBY_APPEND_OPTIONS(DLDFLAGS, [$flag])
], [
AC_MSG_RESULT([no])
RUBY_APPEND_OPTIONS(ADDITIONAL_DLDFLAGS, [$flag])
])
rm -fr conftest.*
done
])
])
AS_IF([test "${LDSHAREDXX}" = ""], [
AS_CASE(["${LDSHARED}"],
[*'$(CC)'*], [
LDSHAREDXX=`echo "${LDSHARED}" | sed 's/\$(CC)/$(CXX)/'`
],
[*'${CC}'*], [
LDSHAREDXX=`echo "${LDSHARED}" | sed 's/\${CC}/${CXX}/'`
],
[*$CC*], [
LDSHAREDXX=`echo "${LDSHARED}" | sed "s|$CC|$CXX|"`
],
[ld" "*], [
])
])
AC_SUBST(LINK_SO)
AC_SUBST(LIBPATHFLAG)
AC_SUBST(RPATHFLAG)
AC_SUBST(LIBPATHENV, "${LIBPATHENV-LD_LIBRARY_PATH}")
AC_SUBST(PRELOADENV, "${PRELOADENV-LD_PRELOAD}")
AC_SUBST(TRY_LINK)
AS_CASE(["$target_os"],
[freebsd*], [
AC_CHECK_LIB([procstat], [procstat_open_sysctl])
AS_IF([test "x$ac_cv_lib_procstat_procstat_open_sysctl" = xyes], [
AC_CHECK_FUNCS(procstat_getvmmap)
])
])
AS_CASE(["$target_cpu-$target_os"],
[*-darwin*], [
AC_CHECK_HEADERS([libproc.h])
AC_CHECK_HEADERS([execinfo.h])
AS_IF([test "x$ac_cv_header_execinfo_h" = xyes], [
AC_CHECK_LIB([execinfo], [backtrace])
AC_CHECK_HEADERS([libunwind.h])
AC_CHECK_HEADERS([mach/task.h mach/mach_init.h mach/mach_port.h])
AS_IF([ test \
"x${ac_cv_header_mach_task_h}" = xyes -a \
"x${ac_cv_header_mach_mach_init_h}" = xyes -a \
"x${ac_cv_header_mach_mach_port_h}" = xyes \
], [
AC_DEFINE([HAVE_MACH_TASK_EXCEPTION_PORTS], [1])
])
])],
[*-freebsd*|x86_64-netbsd*], [
AC_CHECK_HEADERS([execinfo.h])
AS_IF([test "x$ac_cv_header_execinfo_h" = xyes], [
AC_CHECK_LIB([execinfo], [backtrace])
AC_CHECK_LIB([unwind], [unw_backtrace])
])])
AC_CHECK_FUNCS(backtrace)
AS_IF([test "x$ac_cv_func_backtrace" = xyes], [
AC_CACHE_CHECK(for broken backtrace, rb_cv_broken_backtrace,
[AC_RUN_IFELSE([AC_LANG_SOURCE([[
#include <unistd.h>
#include <stdio.h>
#include <stdlib.h>
#include <stdint.h>
#include <string.h>
#include <signal.h>
#include <execinfo.h>
]`grep '^@%:@ *define *RUBY_SIGALTSTACK_SIZE' ${srcdir}/signal.c`[
#define TRACE_SIZE 256
void sigsegv(int signum, siginfo_t *info, void *ctx){
void *trace[TRACE_SIZE];
int n = backtrace(trace, TRACE_SIZE);
if (n > 0) {
/*fprintf(stdout, "backtrace:%d\n",n);*/
} else {
_exit(EXIT_FAILURE);
}
_exit(EXIT_SUCCESS);
}
int
main(void)
{
volatile int *a = NULL;
stack_t ss;
struct sigaction sa;
ss.ss_sp = malloc(RUBY_SIGALTSTACK_SIZE);
if (ss.ss_sp == NULL) {
fprintf(stderr, "cannot allocate memory for sigaltstack\n");
return EXIT_FAILURE;
}
ss.ss_size = RUBY_SIGALTSTACK_SIZE;
ss.ss_flags = 0;
if (sigaltstack(&ss, NULL) == -1) {
fprintf(stderr, "sigaltstack failed\n");
return EXIT_FAILURE;
}
memset(&sa, 0, sizeof(struct sigaction));
sigemptyset(&sa.sa_mask);
sa.sa_sigaction = sigsegv;
sa.sa_flags |= SA_SIGINFO;
sa.sa_flags |= SA_ONSTACK;
sigaction(SIGSEGV, &sa, NULL);
a[0] = 1;
return EXIT_SUCCESS;
}
]])],
rb_cv_broken_backtrace=no,
rb_cv_broken_backtrace=yes,
rb_cv_broken_backtrace=no)])
AS_IF([test "$rb_cv_broken_backtrace" = yes], [
AC_DEFINE(BROKEN_BACKTRACE, 1)
])
])
AC_ARG_WITH(valgrind,
AS_HELP_STRING([--without-valgrind],[disable valgrind memcheck support]),
[], with_valgrind=yes)
AS_IF([test x$with_valgrind != xno],
[AC_CHECK_HEADERS(valgrind/memcheck.h)])
: "dlext & soext" && {
AS_CASE(["$target_os"],
[darwin*], [
SOEXT=dylib
DLEXT=bundle],
[cygwin*|msys*|mingw*|*djgpp*], [
LOAD_RELATIVE=1
SOEXT=dll
DLEXT=so],
[
DLEXT=so])
: ${SOEXT="${DLEXT}"}
AC_SUBST(SOEXT)
}
AS_IF([test "$rb_cv_dlopen:$load_relative" = yes:yes], [
AS_IF([test "$ac_cv_func_dladdr" = yes], [
LOAD_RELATIVE=1
])
])
AS_IF([test x"$LOAD_RELATIVE" = x1], [
load_relative=yes
], [
unset load_relative
])
len=2 # .rb
n=`expr "$DLEXT" : '.*'`; test "$n" -gt "$len" && len=$n
AC_DEFINE_UNQUOTED(DLEXT_MAXLEN, `expr $len + 1`)
test ".$DLEXT" = "." || AC_DEFINE_UNQUOTED(DLEXT, ".$DLEXT")
AC_SUBST(DLEXT)
: "strip" && {
AC_MSG_CHECKING([for $STRIP flags])
AC_LINK_IFELSE([AC_LANG_PROGRAM], [AS_IF(
["${STRIP}" -A -n conftest$ac_exeext 2>/dev/null], [
AC_MSG_RESULT([-A -n])
STRIP="${STRIP} -A -n"
],
["${STRIP}" -S -x conftest$ac_exeext 2>/dev/null], [
AC_MSG_RESULT([-S -x])
STRIP="${STRIP} -S -x"
], [
AC_MSG_RESULT([none needed])
])
])
}
AC_ARG_WITH(ext,
AS_HELP_STRING([--with-ext=EXTS],
[pass to --with-ext option of extmk.rb]))
AC_ARG_WITH(out-ext,
AS_HELP_STRING([--with-out-ext=EXTS],
[pass to --without-ext option of extmk.rb]))
AC_ARG_WITH(setup,
AS_HELP_STRING([--with-setup=SETUP], [use extension libraries setup]),
[setup=$withval])
AS_IF([test -n "$setup"], [
AS_IF([! test -f "ext/$setup" -o -f "$srcdir/ext/$setup"], [
AC_MSG_ERROR(Setup file $setup not found under ext or $srcdir/ext)
])
], [test -f "$srcdir/ext/Setup.$target_os"], [
setup="Setup.$target_os"
], [
setup=
for file in "$srcdir"/ext/Setup.*; do
AS_CASE(["$file"], [*~|*.bak|*.orig|*.rej|*.tmp], [continue])
setup=`basename "$file"`
AS_CASE(["$target_os"], [`expr "$setup" : 'Setup.\(.*\)'`*], [break])
platform=`sed '/^option *platform */!d;s///;s/|/*|/g;q' "$file"`
AS_IF([test "x$platform" != x], [
eval "AS_CASE([\"\$target_os\"], [$platform*], [break])"
])
setup=
done
: ${setup:=Setup}
])
AC_SUBST(setup)
rubylibprefix='${libdir}/${RUBY_BASE_NAME}'
AC_ARG_WITH(rubylibprefix,
AS_HELP_STRING([--with-rubylibprefix=DIR], [prefix for ruby libraries [[LIBDIR/RUBY_BASE_NAME]]]),
[AS_IF([test "x$withval" = xno], [
AC_MSG_ERROR([No ruby, No libprefix])
])
rubylibprefix="$withval"])
AC_SUBST(rubylibprefix)
AS_IF([test x"${exec_prefix}" != xNONE], [
RUBY_EXEC_PREFIX="$exec_prefix"
], [test x"$prefix" != xNONE], [
RUBY_EXEC_PREFIX="$prefix"
], [
RUBY_EXEC_PREFIX=$ac_default_prefix
])
pat=`echo "${RUBY_EXEC_PREFIX}" | tr -c '\012' .`'\(.*\)'
for var in bindir includedir libdir rubylibprefix; do
eval val='"$'$var'"'
AS_CASE(["$val"], ["${RUBY_EXEC_PREFIX}"*], [val='${exec_prefix}'"`expr \"$val\" : \"$pat\"`"])
eval $var='"$val"'
done
BTESTRUBY='$(MINIRUBY)'
AS_IF([test x"$cross_compiling" = xyes], [
test x"$MINIRUBY" = x && MINIRUBY="${RUBY-$BASERUBY} -I${ac_abs_builddir-.} "-r'$(arch)-fake'
XRUBY_LIBDIR=`${RUBY-$BASERUBY} -rrbconfig -e ['puts RbConfig::CONFIG["libdir"]']`
XRUBY_RUBYLIBDIR=`${RUBY-$BASERUBY} -rrbconfig -e ['puts RbConfig::CONFIG["rubylibdir"]']`
XRUBY_RUBYHDRDIR=`${RUBY-$BASERUBY} -rrbconfig -e ['puts RbConfig::CONFIG["rubyhdrdir"]']`
AC_SUBST(XRUBY_LIBDIR)
AC_SUBST(XRUBY_RUBYLIBDIR)
AC_SUBST(XRUBY_RUBYHDRDIR)
PREP='$(arch)-fake.rb'
AS_CASE(["$enable_shared:$EXTSTATIC:$target_os"], [no::darwin*], [
# darwin target requires miniruby for linking ext bundles
PREP="$PREP"' miniruby$(EXEEXT)'
])
RUNRUBY_COMMAND='$(MINIRUBY) -I`cd $(srcdir)/lib; pwd`'
RUNRUBY='$(RUNRUBY_COMMAND)'
XRUBY='$(MINIRUBY)'
TEST_RUNNABLE=no
CROSS_COMPILING=yes
AC_DEFINE(CROSS_COMPILING, 1)
], [
MINIRUBY='./miniruby$(EXEEXT) -I$(srcdir)/lib -I.'
MINIRUBY="$MINIRUBY"' -I$(EXTOUT)/common'
PREP='miniruby$(EXEEXT)'
RUNRUBY_COMMAND='$(MINIRUBY) $(tooldir)/runruby.rb --extout=$(EXTOUT) $(RUNRUBYOPT)'
RUNRUBY='$(RUNRUBY_COMMAND) --'
XRUBY='$(RUNRUBY)'
TEST_RUNNABLE=yes
CROSS_COMPILING=no
])
AC_SUBST(TEST_RUNNABLE)
AC_SUBST(CROSS_COMPILING)
AC_SUBST(MINIRUBY)
AC_SUBST(BTESTRUBY)
AC_SUBST(PREP)
AC_SUBST(RUNRUBY_COMMAND)
AC_SUBST(RUNRUBY)
AC_SUBST(XRUBY)
AC_SUBST(EXTOUT, [${EXTOUT=.ext}])
FIRSTMAKEFILE=""
LIBRUBY_A='lib$(RUBY_SO_NAME)-static.a'
LIBRUBY='$(LIBRUBY_A)'
LIBRUBYARG_STATIC='-l$(RUBY_SO_NAME)-static'
LIBRUBYARG='$(LIBRUBYARG_STATIC)'
SOLIBS='$(MAINLIBS)'
AS_CASE(["$target_os"],
[cygwin*|msys*|mingw*|haiku*|darwin*], [
: ${DLDLIBS=""}
],
[
DLDLIBS="${DLDLIBS:+$DLDLIBS }-lc"
])
AC_ARG_ENABLE(multiarch,
AS_HELP_STRING([--enable-multiarch], [enable multiarch compatible directories]),
[multiarch=], [unset multiarch])
AS_IF([test ${multiarch+set}], [
AC_DEFINE(ENABLE_MULTIARCH)
])
archlibdir='${libdir}/${arch}'
sitearchlibdir='${libdir}/${sitearch}'
archincludedir='${includedir}/${arch}'
sitearchincludedir='${includedir}/${sitearch}'
AC_ARG_WITH(soname,
AS_HELP_STRING([--with-soname=SONAME], [base name of shared library]),
[RUBY_SO_NAME=$withval],
[
AS_CASE(["$target_os"],
[darwin*], [
RUBY_SO_NAME='$(RUBY_BASE_NAME).$(RUBY_API_VERSION)'
],
[cygwin*], [
RUBY_SO_NAME='$(RUBY_BASE_NAME)$(MAJOR)$(MINOR)0'
],
[mingw*], [
RUBY_SO_NAME="${rb_cv_msvcrt}"'-$(RUBY_BASE_NAME)$(MAJOR)$(MINOR)0'
AS_IF([test x"${target_cpu}" != xi386 || test x"${rb_cv_msvcrt}" != xmsvcrt], [
RUBY_SO_NAME="${target_cpu}-${RUBY_SO_NAME}"
])
],
[RUBY_SO_NAME='$(RUBY_BASE_NAME)'])
])
LIBRUBY_LDSHARED=${DLDSHARED=${LDSHARED}}
LIBRUBY_DLDFLAGS=$DLDFLAGS
LIBRUBY_SO='lib$(RUBY_SO_NAME).$(SOEXT).$(RUBY_PROGRAM_VERSION)'
LIBRUBY_SONAME='lib$(RUBY_SO_NAME).$(SOEXT).$(RUBY_API_VERSION)'
LIBRUBY_ALIASES='lib$(RUBY_SO_NAME).$(SOEXT)'
ENABLE_SHARED=no
AC_ARG_ENABLE(shared,
AS_HELP_STRING([--enable-shared], [build a shared library for Ruby]),
[enable_shared=$enableval])
libprefix=${multiarch+'$(archlibdir)'}${multiarch-'$(libdir)'}
LIBRUBY_RELATIVE=${load_relative-no}
AS_CASE("$enable_shared", [yes], [
LIBRUBY='$(LIBRUBY_SO)'
LIBRUBYARG_SHARED='-l$(RUBY_SO_NAME)'
LIBRUBYARG='$(LIBRUBYARG_SHARED)'
LIBRUBY_RELATIVE=no
test -z "$CCDLFLAGS" || CFLAGS="$CFLAGS $CCDLFLAGS"
ENABLE_SHARED=yes
# libdir can be overridden in config.site file (on OpenSUSE at least).
libdir_basename=lib
AS_IF([test "$bindir" = '${exec_prefix}/bin'], [
AS_CASE(["$libdir"], ['${exec_prefix}/'*], [libdir_basename=`basename "$libdir"`])
])
AC_DEFINE_UNQUOTED(LIBDIR_BASENAME, ["${libdir_basename}"])
libdir_basename="${libdir_basename}"${multiarch+'/${arch}'}
# Debian bullseye reportedly has its ld(1) patched, which breaks
# --enable-shared --with-jemalloc combination. We might have to deal with
# the ld(1) change sooner or later, but in the meantime let us force it
# the old way.
#
# See https://github.com/ruby/ruby/pull/4627
RUBY_TRY_LDFLAGS([${linker_flag}--no-as-needed], [no_as_needed=yes], [no_as_needed=no])
AS_IF([test "$no_as_needed" = yes], [
RUBY_APPEND_OPTIONS(LDFLAGS, [${linker_flag}--no-as-needed])
])
AS_CASE(["$target_os"],
[freebsd*|dragonfly*], [],
[
AS_IF([test "$GCC" = yes], [
RUBY_TRY_LDFLAGS([${linker_flag}--no-undefined], [no_undefined=yes], [no_undefined=no])
AS_IF([test "no_undefined" = yes], [
RUBY_APPEND_OPTION(EXTLDFLAGS, [${linker_flag}--no-undefined])
])
])
])
AS_CASE(["$target_os"],
[sunos4*], [
LIBRUBY_ALIASES='$(LIBRUBY_SONAME) lib$(RUBY_SO_NAME).$(SOEXT)'
],
[linux* | gnu* | k*bsd*-gnu | atheos* | kopensolaris*-gnu | haiku*], [
RUBY_APPEND_OPTIONS(LIBRUBY_DLDFLAGS, ['-Wl,-soname,$(LIBRUBY_SONAME)' "$LDFLAGS_OPTDIR"])
LIBRUBY_ALIASES='$(LIBRUBY_SONAME) lib$(RUBY_SO_NAME).$(SOEXT)'
AS_IF([test "$load_relative" = yes], [
libprefix="'\$\${ORIGIN}/../${multiarch+../../}${libdir_basename}'"
LIBRUBY_RPATHFLAGS="-Wl,-rpath,${libprefix}"
LIBRUBY_RELATIVE=yes
])
],
[freebsd*|dragonfly*], [
LIBRUBY_SO='lib$(RUBY_SO_NAME).$(SOEXT).$(MAJOR)$(MINOR)'
LIBRUBY_SONAME='$(LIBRUBY_SO)'
AS_IF([test "$rb_cv_binary_elf" != "yes" ], [
LIBRUBY_SO="$LIBRUBY_SO.\$(TEENY)"
LIBRUBY_ALIASES=''
], [test "$load_relative" = yes], [
libprefix="'\$\$ORIGIN/../${multiarch+../../}${libdir_basename}'"
LIBRUBY_RPATHFLAGS="-Wl,-rpath,${libprefix}"
LIBRUBY_RELATIVE=yes
])
],
[netbsd*], [
LIBRUBY_SONAME='lib$(RUBY_SO_NAME).$(SOEXT).$(MAJOR)$(MINOR)'
LIBRUBY_SO="${LIBRUBY_SONAME}"'.$(TEENY)'
RUBY_APPEND_OPTIONS(LIBRUBY_DLDFLAGS, ['-Wl,-soname,$(LIBRUBY_SONAME)' "$LDFLAGS_OPTDIR"])
AS_IF([test "$rb_cv_binary_elf" = yes], [ # ELF platforms
LIBRUBY_ALIASES='$(LIBRUBY_SONAME) lib$(RUBY_SO_NAME).$(SOEXT)'
], [ # a.out platforms
LIBRUBY_ALIASES=""
])
],
[openbsd*|mirbsd*], [
LIBRUBY_SO='lib$(RUBY_SO_NAME).$(SOEXT).$(MAJOR).'`expr ${MINOR} \* 10 + ${TEENY}`
],
[solaris*], [
LIBRUBY_SO='lib$(RUBY_SO_NAME).$(SOEXT).$(MAJOR)'
LIBRUBY_SONAME='lib$(RUBY_SO_NAME).$(SOEXT).$(RUBY_PROGRAM_VERSION)'
LIBRUBY_ALIASES='$(LIBRUBY_SONAME) lib$(RUBY_SO_NAME).$(SOEXT)'
RUBY_APPEND_OPTIONS(LIBRUBY_DLDFLAGS, ["${linker_flag}-h${linker_flag:+,}"'$(@F)'])
AS_IF([test "$load_relative" = yes], [
libprefix="'\$\$ORIGIN/../${multiarch+../../}${libdir_basename}'"
LIBRUBY_RPATHFLAGS="-R${libprefix}"
LIBRUBY_RELATIVE=yes
], [
LIBRUBY_RPATHFLAGS='-R${libdir}'
])
],
[aix*], [
RUBY_APPEND_OPTIONS(LIBRUBY_DLDFLAGS, ["${linker_flag}-bnoentry" "$XLDFLAGS" "$LDFLAGS_OPTDIR"])
LIBRUBYARG_SHARED='-L${libdir} -l${RUBY_SO_NAME}'
LIBS="$LIBS -lm -lc"
],
[darwin*], [
LIBRUBY_SO='lib$(RUBY_SO_NAME).$(SOEXT)'
LIBRUBY_SONAME='$(LIBRUBY_SO)'
LIBRUBY_ALIASES='lib$(RUBY_INSTALL_NAME).$(SOEXT)'
AS_IF([test "$load_relative" = yes], [
libprefix="@executable_path/../${multiarch+../../}${libdir_basename}"
LIBRUBY_RELATIVE=yes
])
LIBRUBY_DLDFLAGS="$LIBRUBY_DLDFLAGS -install_name ${libprefix}"'/$(LIBRUBY_SONAME)'
LIBRUBY_DLDFLAGS="$LIBRUBY_DLDFLAGS "'-compatibility_version $(RUBY_API_VERSION)'
LIBRUBY_DLDFLAGS="$LIBRUBY_DLDFLAGS "'-current_version $(RUBY_PROGRAM_VERSION)'
AS_IF([test "$visibility_option" = ld], [
LIBRUBY_DLDFLAGS="$LIBRUBY_DLDFLAGS "'-Wl,-unexported_symbol,_Init_*'
LIBRUBY_DLDFLAGS="$LIBRUBY_DLDFLAGS "'-Wl,-unexported_symbol,_ruby_static_id_*'
LIBRUBY_DLDFLAGS="$LIBRUBY_DLDFLAGS "'-Wl,-unexported_symbol,*_threadptr_*'
])
LIBRUBY_DLDFLAGS="$LIBRUBY_DLDFLAGS "' $(XLDFLAGS)'
],
[interix*], [
LIBRUBYARG_SHARED='-L. -L${libdir} -l$(RUBY_SO_NAME)'
],
[cygwin*|msys*|mingw*|mswin*], [
LIBRUBY_RELATIVE=yes
])
], [
LIBRUBYARG_SHARED=
# enable PIE if possible
AC_ARG_ENABLE(pie,
AS_HELP_STRING([--disable-pie], [disable PIE feature]),
[pie=$enableval], [pie=])
AS_IF([test "$GCC" = yes -a -z "$EXTSTATIC" -a "x$pie" != xno], [
RUBY_TRY_CFLAGS(-fPIE, [pie=yes], [pie=no])
AS_IF([test "$pie" = yes], [
# Use -fPIE when testing -pie. RUBY_TRY_LDFLAGS sets
# $save_CFLAGS internally, so set other name here.
save_CFLAGS_before_pie="$CFLAGS"
CFLAGS="$CFLAGS -fPIE"
# gcc need -pie but clang need -Wl,-pie.
for pie in -pie -Wl,-pie; do
RUBY_TRY_LDFLAGS([$pie], [], [pie=])
AS_IF([test "x$pie" != x], [
RUBY_APPEND_OPTION(XCFLAGS, -fPIE)
RUBY_APPEND_OPTION(XLDFLAGS, $pie)
break
])
done
CFLAGS="$save_CFLAGS_before_pie"
])
])
])
AS_IF([test "$enable_rpath" = yes], [
test -z "$LIBRUBY_RPATHFLAGS" || LIBRUBY_RPATHFLAGS="$LIBRUBY_RPATHFLAGS "
rpathflag="${RPATHFLAG}"
AS_CASE(["${cross_compiling}${load_relative}"], [*yes*], [], [rpathflag="$RPATHFLAG$LIBPATHFLAG"])
rpathflag=`IFS="$PATH_SEPARATOR"
echo x "$rpathflag" |
sed "s/^x *//;s${IFS}"'%1\\$-s'"${IFS}${libprefix}${IFS}g;s${IFS}%s${IFS}${libprefix}${IFS}g"
`
LIBRUBY_RPATHFLAGS="$LIBRUBY_RPATHFLAGS${rpathflag}"
LIBRUBYARG_SHARED="$LIBRUBY_RPATHFLAGS $LIBRUBYARG_SHARED"
LIBRUBYARG_STATIC="$LIBRUBY_RPATHFLAGS $LIBRUBYARG_STATIC"
])
AC_SUBST(LIBRUBY_RELATIVE)
LDFLAGS="-L. $LDFLAGS"
AC_SUBST(ARCHFILE)
AS_IF([test "$EXEEXT" = .exe], [
EXECUTABLE_EXTS='".exe",".com",".cmd",".bat"'
AC_DEFINE_UNQUOTED(EXECUTABLE_EXTS, $EXECUTABLE_EXTS)
EXECUTABLE_EXTS=`echo $EXECUTABLE_EXTS | tr -d '"' | tr , ' '`
AC_SUBST(EXECUTABLE_EXTS)
])
AS_CASE("$cross_compiling:${LIBPATHENV}", [yes:* | no:], [], [
AC_MSG_CHECKING(whether wrapper for $LIBPATHENV is needed)
AS_IF([env ${LIBPATHENV}=/lib /bin/sh -c ': ${'${LIBPATHENV}'?}' 2>/dev/null],
[AC_MSG_RESULT(no)],
[AC_SUBST(XRUBY_LIBPATHENV_WRAPPER, 'exe/$(PROGRAM)')
AC_MSG_RESULT(yes)]
)
])
AC_ARG_ENABLE(dtrace,
AS_HELP_STRING([--enable-dtrace],
[enable DTrace for tracing inside ruby. enabled by default on systems having dtrace]),
[enable_dtrace=$enableval], [enable_dtrace=auto])
LIBRUBY_A_OBJS='$(OBJS)'
DTRACE_REBUILD=
AS_CASE(["${enable_dtrace}"],
[yes|auto], [
RUBY_DTRACE_AVAILABLE()
], [
rb_cv_dtrace_available=no
])
AS_CASE(["$target_os"],[freebsd*],[
rb_cv_dtrace_available=no
])
AS_IF([test "${enable_dtrace}" = yes], [dnl
AS_IF([test -z "$DTRACE"], [dnl
AC_MSG_ERROR([dtrace(1) is missing])
], [test "$cross_compiling" = yes], [dnl
AC_MSG_ERROR([--enable-dtrace, however, cross compiling])
], [test "${rb_cv_dtrace_available}" = "no"], [dnl
AC_MSG_ERROR([--enable-dtrace, however, USDT is not available])
])
])
AS_CASE([$rb_cv_dtrace_available],
[yes*], [dnl
RUBY_DTRACE_POSTPROCESS()
AS_IF([test "$rb_cv_prog_dtrace_g" != no], [dnl
DTRACE_OBJ='probes.$(OBJEXT)'
])
AS_IF([test "$rb_cv_prog_dtrace_g" = rebuild], [dnl
DTRACE_REBUILD=yes
LIBRUBY_A_OBJS='$(DTRACE_GLOMMED_OBJ)'
])
AS_CASE("${target_os}", [freebsd*], [dnl
# FreeBSD's dtrace requires libelf
LIBS="-lelf $LIBS"
])
DTRACE_EXT=d
], [dnl
enable_dtrace=no
DTRACE_EXT=dmyh
])
AC_SUBST(DTRACE_EXT)
AC_SUBST(DTRACE_OBJ)
AC_SUBST(DTRACE_REBUILD)
AC_SUBST(DTRACE_OPT)
AC_SUBST(LIBRUBY_A_OBJS)
AC_ARG_ENABLE(gcov,
AS_HELP_STRING([--enable-gcov], [enable coverage measurement by gcov]),
[gcov=yes])
AS_IF([test x"$gcov" = xyes], [
CFLAGS="$CFLAGS -coverage -fprofile-update=atomic"
LDFLAGS="$LDFLAGS -coverage"
])
RUBY_SETJMP_TYPE
RUBY_SHARED_GC
}
[begin]_group "installation section" && {
dnl build rdoc index if requested
RDOCTARGET=""
CAPITARGET=""
AC_ARG_ENABLE(install-doc,
AS_HELP_STRING([--disable-install-doc], [do not install either rdoc indexes or C API documents during install]),
[install_doc=$enableval], [install_doc=yes])
AC_ARG_WITH(rdoc,
AS_HELP_STRING([--with-rdoc=ri,html], [comma/space separated list of RDoc formats to install]),
[install_rdoc=`echo ,$withval, | sed 'y/,/ /;s/ ri / rdoc /;s/^ *//;s/ *$//'`], [
AC_ARG_ENABLE(install-rdoc,
AS_HELP_STRING([--disable-install-rdoc], [do not install rdoc indexes during install]),
[install_rdoc=$enableval], [install_rdoc=yes])
])
AC_ARG_ENABLE(install-capi,
AS_HELP_STRING([--disable-install-capi], [do not install C API documents during install]),
[install_capi=$enableval], [install_capi=no])
AS_IF([test "$install_doc" != no], [
AS_CASE(["$install_rdoc"],
[yes], [
RDOCTARGET="rdoc"
],
[all], [
RDOCTARGET="rdoc html"
],
[no|''], [
RDOCTARGET="nodoc"
],
[
RDOCTARGET="$install_rdoc"
])
AS_IF([test "$install_capi" != no -a -n "$DOXYGEN"], [
CAPITARGET="capi"
], [
CAPITARGET="nodoc"
])
], [
RDOCTARGET="nodoc"
CAPITARGET="nodoc"
])
AC_SUBST(RDOCTARGET)
AC_SUBST(CAPITARGET)
AS_CASE(["$RDOCTARGET:$CAPITARGET"],[nodoc:nodoc],[INSTALLDOC=nodoc],[INSTALLDOC=all])
AC_SUBST(INSTALLDOC)
AC_ARG_ENABLE(install-static-library,
AS_HELP_STRING([--disable-install-static-library], [do not install static ruby library]),
[INSTALL_STATIC_LIBRARY=$enableval
AS_IF([test x"$enable_shared" = xno -a x"$INSTALL_STATIC_LIBRARY" = xno],
[AC_MSG_ERROR([must install either static or shared library])],
[])],
AS_IF([test x"$enable_shared" = xyes],
[INSTALL_STATIC_LIBRARY=no],
[INSTALL_STATIC_LIBRARY=yes]))
AC_SUBST(INSTALL_STATIC_LIBRARY)
}
[begin]_group "JIT section" && {
AC_CHECK_PROG(RUSTC, [rustc], [rustc], [no]) dnl no ac_tool_prefix
dnl check if rustc is recent enough to build YJIT (rustc >= 1.58.0)
YJIT_RUSTC_OK=no
AS_IF([test "$RUSTC" != "no"],
AC_MSG_CHECKING([whether ${RUSTC} works for YJIT])
YJIT_TARGET_ARCH=
AS_CASE(["$target_cpu"],
[arm64|aarch64], [YJIT_TARGET_ARCH=aarch64],
[x86_64], [YJIT_TARGET_ARCH=x86_64],
)
dnl Fails in case rustc target doesn't match ruby target.
dnl Can happen on Rosetta, for example.
AS_IF([echo "#[cfg(target_arch = \"$YJIT_TARGET_ARCH\")] fn main() { let x = 1; format!(\"{x}\"); }" |
$RUSTC - --emit asm=/dev/null 2>/dev/null],
[YJIT_RUSTC_OK=yes]
)
AC_MSG_RESULT($YJIT_RUSTC_OK)
)
dnl check if we can build YJIT on this target platform
dnl we can't easily cross-compile with rustc so we don't support that
YJIT_TARGET_OK=no
AS_IF([test "$cross_compiling" = no],
AS_CASE(["$target_cpu-$target_os"],
[*android*], [
YJIT_TARGET_OK=no
],
[arm64-darwin*|aarch64-darwin*|x86_64-darwin*], [
YJIT_TARGET_OK=yes
],
[arm64-*linux*|aarch64-*linux*|x86_64-*linux*], [
YJIT_TARGET_OK=yes
],
[arm64-*bsd*|aarch64-*bsd*|x86_64-*bsd*], [
YJIT_TARGET_OK=yes
]
)
)
dnl build YJIT in release mode if rustc >= 1.58.0 is present and we are on a supported platform
AC_ARG_ENABLE(yjit,
AS_HELP_STRING([--enable-yjit],
[enable in-process JIT compiler that requires Rust build tools. enabled by default on supported platforms if rustc 1.58.0+ is available]),
[YJIT_SUPPORT=$enableval],
[AS_CASE(["$YJIT_TARGET_OK:$YJIT_RUSTC_OK"],
[yes:yes], [
YJIT_SUPPORT=yes
],
[YJIT_SUPPORT=no]
)]
)
CARGO=
CARGO_BUILD_ARGS=
YJIT_LIBS=
AS_CASE(["${YJIT_SUPPORT}"],
[yes|dev|stats|dev_nodebug], [
AS_IF([test x"$RUSTC" = "xno"],
AC_MSG_ERROR([rustc is required. Installation instructions available at https://www.rust-lang.org/tools/install])
)
AS_CASE(["${YJIT_SUPPORT}"],
[yes], [
rb_rust_target_subdir=release
],
[dev], [
rb_rust_target_subdir=debug
CARGO_BUILD_ARGS='--features disasm,runtime_checks'
AC_DEFINE(RUBY_DEBUG, 1)
],
[dev_nodebug], [
rb_rust_target_subdir=dev_nodebug
CARGO_BUILD_ARGS='--profile dev_nodebug --features disasm'
AC_DEFINE(YJIT_STATS, 1)
],
[stats], [
rb_rust_target_subdir=stats
CARGO_BUILD_ARGS='--profile stats'
AC_DEFINE(YJIT_STATS, 1)
])
AS_IF([test -n "${CARGO_BUILD_ARGS}"], [
AC_CHECK_TOOL(CARGO, [cargo], [no])
AS_IF([test x"$CARGO" = "xno"],
AC_MSG_ERROR([cargo is required. Installation instructions available at https://www.rust-lang.org/tools/install])
]))
YJIT_LIBS="yjit/target/${rb_rust_target_subdir}/libyjit.a"
AS_CASE(["$target_os"],[openbsd*],[
# Link libc++abi (which requires libpthread) for _Unwind_* functions needed by yjit
LDFLAGS="$LDFLAGS -lpthread -lc++abi"
])
YJIT_OBJ='yjit.$(OBJEXT)'
AS_IF([test x"$YJIT_SUPPORT" != "xyes" ], [
AC_DEFINE_UNQUOTED(YJIT_SUPPORT, [$YJIT_SUPPORT])
])
AC_DEFINE(USE_YJIT, 1)
], [
AC_DEFINE(USE_YJIT, 0)
])
dnl These variables end up in ::RbConfig::CONFIG
AC_SUBST(YJIT_SUPPORT)dnl what flavor of YJIT the Ruby build includes
AC_SUBST(RUSTC)dnl Rust compiler command
AC_SUBST(CARGO)dnl Cargo command for Rust builds
AC_SUBST(CARGO_BUILD_ARGS)dnl for selecting Rust build profiles
AC_SUBST(YJIT_LIBS)dnl for optionally building the Rust parts of YJIT
AC_SUBST(YJIT_OBJ)dnl for optionally building the C parts of YJIT
dnl RJIT supports only x86_64 platforms, but allows arm64/aarch64 for custom JITs.
RJIT_TARGET_OK=no
AS_IF([test "$cross_compiling" = no],
AS_CASE(["$target_cpu-$target_os"],
[*android*], [
RJIT_TARGET_OK=no
],
[arm64-darwin*|aarch64-darwin*|x86_64-darwin*], [
RJIT_TARGET_OK=yes
],
[arm64-*linux*|aarch64-*linux*|x86_64-*linux*], [
RJIT_TARGET_OK=yes
],
[arm64-*bsd*|aarch64-*bsd*|x86_64-*bsd*], [
RJIT_TARGET_OK=yes
]
)
)
dnl Build RJIT on supported platforms or if --enable-rjit is specified.
AC_ARG_ENABLE(rjit,
AS_HELP_STRING([--enable-rjit],
[enable pure-Ruby JIT compiler. enabled by default on Unix x86_64 platforms]),
[RJIT_SUPPORT=$enableval],
[AS_CASE(["$RJIT_TARGET_OK"],
[yes], [RJIT_SUPPORT=yes],
[RJIT_SUPPORT=no]
)]
)
AS_CASE(["$RJIT_SUPPORT"],
[yes|dev], [
AS_CASE(["$RJIT_SUPPORT"],
[dev], [
# Link libcapstone for --rjit-dump-disasm
AC_CHECK_LIB([capstone], [cs_disasm])
])
AC_DEFINE(USE_RJIT, 1)
], [
AC_DEFINE(USE_RJIT, 0)
])
AC_SUBST(RJIT_SUPPORT)
}
[begin]_group "build section" && {
AC_CACHE_CHECK([for prefix of external symbols], rb_cv_symbol_prefix, [
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[extern void conftest_external(void) {}]], [[]])],[
rb_cv_symbol_prefix=`$NM conftest.$ac_objext |
sed -n ['/.*T[ ]\([^ ]*\)conftest_external.*/!d;s//\1/p;q']`
],
[rb_cv_symbol_prefix=''])
test -n "$rb_cv_symbol_prefix" || rb_cv_symbol_prefix=NONE
])
SYMBOL_PREFIX="$rb_cv_symbol_prefix"
test "x$SYMBOL_PREFIX" = xNONE && SYMBOL_PREFIX=''
AS_IF([test x"$SOEXT" = xdll], [
# DLL on Windows is managed by win32/mkexports.rb
], [test x"$enable_shared" = xyes], [
AC_CACHE_CHECK([for default symbols in empty shared library], rb_cv_symbols_in_emptylib, [
save_CC="$CC"
eval CC=\"`printf "%s" "${DLDSHARED}" | sed ['s/\$(CC)/${CC}/']`\"
AC_LINK_IFELSE([AC_LANG_PROGRAM()],[
rb_cv_symbols_in_emptylib=`$NM -Pgp conftest$ac_exeext |
sed ["/ [A-TV-Z] .*/!d;s///;s/^${SYMBOL_PREFIX}//;/^main$/d"]`
])
set dummy ${rb_cv_symbols_in_emptylib}
shift
rb_cv_symbols_in_emptylib="$*"
CC="$save_CC"
])
])
AC_SUBST(XSYMBOLS_IN_EMPTYLIB, "${rb_cv_symbols_in_emptylib}")
DLNOBJ=dln.o
AC_ARG_ENABLE(dln,
AS_HELP_STRING([--disable-dln], [disable dynamic link feature]),
[test "$enableval" = yes || DLNOBJ=dmydln.o])
AC_SUBST(DLNOBJ)
MINIDLNOBJ=dmydln.o
AS_CASE(["$target_os"],
[linux*], [
],
[netbsd*], [
RUBY_APPEND_OPTION(CFLAGS, -pipe)
],
[darwin*], [
RUBY_APPEND_OPTION(CFLAGS, -pipe)
AC_MSG_CHECKING([whether Security framework is needed])
AC_COMPILE_IFELSE([
AC_LANG_BOOL_COMPILE_TRY([
@%:@include <AvailabilityMacros.h>
enum {
least = MAC_OS_X_VERSION_10_7, /* just fail if undefined */
required = MAC_OS_X_VERSION_MIN_REQUIRED,
upper /* bigger than MIN_REQUIRED, or */
@%:@ifdef MAC_OS_X_VERSION_10_10
= MAC_OS_X_VERSION_10_10
@%:@endif
};],
[required >= least && required < upper])],
[dnl
AC_MSG_RESULT(yes)
RUBY_APPEND_OPTION(XLDFLAGS, [-framework Security])
RUBY_APPEND_OPTION(LIBRUBYARG_STATIC, [-framework Security])
],dnl
[dnl
AC_MSG_RESULT(no)
]dnl
)
RUBY_APPEND_OPTION(XLDFLAGS, [-framework CoreFoundation])
RUBY_APPEND_OPTION(LIBRUBYARG_STATIC, [-framework CoreFoundation])
],
[osf*], [
AS_IF([test "$GCC" != "yes" ], [
# compile something small: taint.c is fine for this.
# the main point is the '-v' flag of 'cc'.
AS_CASE(["`cc -v -I. -c main.c -o /tmp/main.o 2>&1`"],
[*/gemc_cc*], [ # we have the new DEC GEM CC
CFLAGS="$CFLAGS -oldc"
],
[ # we have the old MIPS CC
])
# cleanup
rm -f /tmp/main.o
CFLAGS="$CFLAGS -std"
])
],
[cygwin*|msys*|mingw*], [
LIBRUBY_DLDFLAGS="${LIBRUBY_DLDFLAGS}"' -Wl,--out-implib=$(LIBRUBY)'
AS_CASE(["$target_os"],
[cygwin*], [
AS_IF([test x"$enable_shared" = xyes], [
LIBRUBY_SO='cyg$(RUBY_SO_NAME)'.dll
LIBRUBY_DLDFLAGS="${LIBRUBY_DLDFLAGS}"' $(RUBYDEF)'
])
],
[mingw*], [
AS_IF([test x"$enable_shared" = xyes], [
LIBRUBY_SO='$(RUBY_SO_NAME)'.dll
LIBRUBY_SONAME=''
LIBRUBY_DLDFLAGS="${LIBRUBY_DLDFLAGS}"' $(RUBYDEF)'
])
EXPORT_PREFIX=' '
EXTDLDFLAGS='$(DEFFILE)'
AC_LIBOBJ([win32/win32])
AC_LIBOBJ([win32/file])
COMMON_LIBS=m
# COMMON_MACROS="WIN32_LEAN_AND_MEAN="
COMMON_HEADERS="winsock2.h windows.h"
PLATFORM_DIR=win32
])
LIBRUBY_ALIASES=''
FIRSTMAKEFILE=GNUmakefile:cygwin/GNUmakefile.in
AS_IF([test x"$enable_shared" = xyes], [
LIBRUBY='lib$(RUBY_SO_NAME).dll.a'
], [
LIBRUBY_SO=dummy
LIBRUBY='lib$(RUBY_SO_NAME).a'
LIBRUBYARG='-l$(RUBY_SO_NAME)'
])
],
[wasi*], [
FIRSTMAKEFILE=GNUmakefile:wasm/GNUmakefile.in
AC_LIBOBJ([wasm/missing])
AC_LIBOBJ([wasm/runtime])
AC_LIBOBJ([wasm/fiber])
AC_LIBOBJ([wasm/machine])
AC_LIBOBJ([wasm/setjmp])
AC_LIBOBJ([wasm/machine_core])
AC_LIBOBJ([wasm/setjmp_core])
PLATFORM_DIR=wasm
])
MINIOBJS="$MINIDLNOBJ"
AC_ARG_ENABLE(debug-env,
AS_HELP_STRING([--enable-debug-env], [enable RUBY_DEBUG environment variable]),
[AC_SUBST(ENABLE_DEBUG_ENV, yes)])
AS_CASE(["$FIRSTMAKEFILE"], [*GNUmakefile:*], [gnumake=yes], [
AC_MSG_CHECKING([if ${MAKE-make} is GNU make])
mkdir conftest.dir
echo "all:; @echo yes" > conftest.dir/GNUmakefile
echo "all:; @echo no" > conftest.dir/Makefile
gnumake=`(cd conftest.dir; ${MAKE-make})`
rm -fr conftest.dir
AS_CASE(["$gnumake"],
[*yes*], [
FIRSTMAKEFILE=GNUmakefile:template/GNUmakefile.in
gnumake=yes],
[
gnumake=no])
AC_MSG_RESULT($gnumake)
])
AS_IF([test "$gnumake" = yes], [ NULLCMD=: ], [
AC_MSG_CHECKING([for safe null command for ${MAKE-make}])
mkdir conftest.dir
NULLCMD=
for cmd in : true; do
echo 'A=1' > conftest.dir/Makefile
echo 'B=$(A:1=@'$cmd')' >> conftest.dir/Makefile
echo 'all:; $B 1 2 3 4 5 6 7 8 9' >> conftest.dir/Makefile
AS_IF([(cd conftest.dir; ${MAKE-make} >/dev/null 2>/dev/null)], [
NULLCMD=$cmd
break
])
done
rm -fr conftest.dir
AS_IF([test -z "$NULLCMD"], [
AC_MSG_ERROR(no candidate for safe null command)
])
AC_MSG_RESULT($NULLCMD)
])
AC_SUBST(NULLCMD)
AS_IF([test "${universal_binary-no}" = yes ], [
AC_CACHE_CHECK([for architecture macros], rb_cv_architecture_macros, [
mv confdefs.h confdefs1.h
: > confdefs.h
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[@%:@if defined __`echo ${universal_archnames} |
sed 's/=[^ ]*//g;s/ /__ || defined __/g'`__
@%:@else
@%:@error
>>>>>><<<<<<
@%:@endif]], [[]])],[
rb_cv_architecture_macros=yes
mv -f confdefs1.h confdefs.h
], [
rb_cv_architecture_macros=no
archflagpat=`eval echo '"'"${ARCH_FLAG}"'"' | sed 's/[[][|.*]]/\\&/g'`
new_cflags=`echo "$CFLAGS" | sed "s|$archflagpat"'||'`
for archs in ${universal_archnames}; do
cpu=${archs@%:@*=}
archs=${archs%=*}
CFLAGS="$new_cflags -arch $archs"
archs="__${archs}__"
AC_MSG_CHECKING([for macro ${archs} on ${cpu}])
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[@%:@ifndef ${archs}
@%:@error
@%:@endif]], [[]])],
[AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no])])
done
mv -f confdefs1.h confdefs.h
AC_MSG_ERROR([failed])
])])
AC_CACHE_CHECK(whether __ARCHITECTURE__ is available, rb_cv_architecture_available,
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[@%:@include <stdio.h>
const char arch[[]] = __ARCHITECTURE__;]], [[puts(arch);]])],
[rb_cv_architecture_available=yes], [rb_cv_architecture_available=no]))
])
}
[end]_group
MAINLIBS="$LIBS"
LIBS=$ORIG_LIBS
AS_IF([test -n "${LIBS}"], [
libspat=`echo "${LIBS}" | sed 's/[[][|.*$^]]/\\&/g;s/^ */ /;s/^ *$/ /'`
MAINFLAGS=`echo " $MAINLIBS " | sed "s|$libspat"'||;s/^ *//;s/ *$//'`
])
LIBRUBYARG_STATIC="${LIBRUBYARG_STATIC} \$(MAINLIBS)"
CPPFLAGS="$CPPFLAGS "'$(DEFS)'
test -z "$CPPFLAGS" || CPPFLAGS="$CPPFLAGS "; CPPFLAGS="$CPPFLAGS"'${cppflags}'
AS_IF([test -n "${cflags+set}"], [
cflagspat=`eval echo '"'"${cflags}"'"' | sed 's/[[][|.*]]/\\&/g;s/^ */ /;s/^ *$/ /'`
CFLAGS=`echo " $CFLAGS " | sed "s|$cflagspat"'|${cflags}|;s/^ *//;s/ *$//'`
])
AS_IF([test -n "${cxxflags+set}"], [
cxxflagspat=`eval echo '"'"${cxxflags}"'"' | sed 's/[[][|.*]]/\\&/g;s/^ */ /;s/^ *$/ /'`
CXXFLAGS=`echo " $CXXFLAGS " | sed "s|$cxxflagspat"'|${cxxflags}|;s/^ *//;s/ *$//'`
])
AS_IF([test "${ARCH_FLAG}"], [
archflagpat=`eval echo '"'"${ARCH_FLAG}"'"' | sed 's/[[][|.*]]/\\&/g'`
CFLAGS=`echo "$CFLAGS" | sed "s| *$archflagpat"'||'`
CXXFLAGS=`echo "$CXXFLAGS" | sed "s| *$archflagpat"'||'`
LDFLAGS=`echo "$LDFLAGS" | sed "s| *$archflagpat"'||'`
])
rb_cv_warnflags=`echo "$rb_cv_warnflags" | sed 's/^ *//;s/ *$//'`
warnflags="$rb_cv_warnflags"
AC_SUBST(cppflags)dnl
AC_SUBST(cflags, ['${hardenflags} '"${orig_cflags:+$orig_cflags }"' ${optflags} ${debugflags} ${warnflags}'])dnl
AC_SUBST(cxxflags)dnl
AC_SUBST(optflags)dnl
AC_SUBST(debugflags)dnl
AC_SUBST(warnflags)dnl
AC_SUBST(strict_warnflags)dnl
AC_SUBST(hardenflags)dnl
AC_SUBST(XCFLAGS)dnl
AC_SUBST(XLDFLAGS)dnl
AC_SUBST(EXTLDFLAGS)dnl
AC_SUBST(EXTDLDFLAGS)dnl
AC_SUBST(LIBRUBY_LDSHARED)
AC_SUBST(LIBRUBY_DLDFLAGS)
AC_SUBST(RUBY_INSTALL_NAME)
AC_SUBST(rubyw_install_name)
AC_SUBST(RUBYW_INSTALL_NAME)
AC_SUBST(RUBY_SO_NAME)
AC_SUBST(LIBRUBY_A)
AC_SUBST(LIBRUBY_SO)
AC_SUBST(LIBRUBY_SONAME)
AC_SUBST(LIBRUBY_ALIASES)
AC_SUBST(LIBRUBY)
AC_SUBST(LIBRUBYARG)
AC_SUBST(LIBRUBYARG_STATIC)
AC_SUBST(LIBRUBYARG_SHARED)
AC_SUBST(SOLIBS)
AC_SUBST(DLDLIBS)
AC_SUBST(DLDSHARED)
AC_SUBST(ENABLE_SHARED)
AC_SUBST(MAINLIBS)
AC_SUBST(COMMON_LIBS)
AC_SUBST(COMMON_MACROS)
AC_SUBST(COMMON_HEADERS)
AC_SUBST(EXPORT_PREFIX)
AC_SUBST(SYMBOL_PREFIX)
AC_SUBST(MINIOBJS)
AC_SUBST(THREAD_MODEL)
AC_SUBST(COROUTINE_TYPE, ${coroutine_type})
AC_SUBST(PLATFORM_DIR)
AC_SUBST(USE_LLVM_WINDRES)
firstmf=`echo $FIRSTMAKEFILE | sed 's/:.*//'`
firsttmpl=`echo $FIRSTMAKEFILE | sed 's/.*://'`
MAKEFILES="Makefile $firstmf"
MAKEFILES="`echo $MAKEFILES`"
AC_SUBST(MAKEFILES)
ri_prefix=
test "$program_prefix" != NONE &&
ri_prefix=$program_prefix
ri_suffix=
test "$program_suffix" != NONE &&
ri_suffix=$program_suffix
RUBY_INSTALL_NAME="${ri_prefix}"'$(RUBY_BASE_NAME)'"${ri_suffix}"
AS_CASE(["$target_os"],
[cygwin*|msys*|mingw*], [
RUBYW_INSTALL_NAME="${ri_prefix}"'$(RUBYW_BASE_NAME)'"${ri_suffix}"
rubyw_install_name='$(RUBYW_INSTALL_NAME)'
])
rubylibdir='${rubylibprefix}/${ruby_version}'
rubyarchdir=${multiarch+'${rubyarchprefix}/${ruby_version}'}${multiarch-'${rubylibdir}/${arch}'}
rubyarchprefix=${multiarch+'${archlibdir}/${RUBY_BASE_NAME}'}${multiarch-'${rubylibprefix}/${arch}'}
AC_ARG_WITH(rubyarchprefix,
AS_HELP_STRING([--with-rubyarchprefix=DIR],
[prefix for architecture dependent ruby libraries [[RUBYLIBPREFIX/ARCH]]]),
[rubyarchprefix="$withval"])
AC_SUBST(rubyarchprefix)
rubysitearchprefix=${multiarch+'${sitearchlibdir}/${RUBY_BASE_NAME}'}${multiarch-'${rubylibprefix}/${sitearch}'}
AC_ARG_WITH(rubysitearchprefix,
AS_HELP_STRING([--with-rubysitearchprefix=DIR],
[prefix for architecture dependent site libraries [[RUBYLIBPREFIX/SITEARCH]]]),
[rubysitearchprefix="$withval"])
AC_SUBST(rubysitearchprefix)
RI_BASE_NAME=`echo ${RUBY_BASE_NAME} | sed 's/ruby/ri/'`
ridir='${datarootdir}/${RI_BASE_NAME}'
AC_ARG_WITH(ridir,
AS_HELP_STRING([--with-ridir=DIR], [ri documentation [[DATAROOTDIR/ri]]]),
[ridir=$withval])
AC_SUBST(ridir)
AC_SUBST(RI_BASE_NAME)
AC_ARG_WITH(ruby-version,
AS_HELP_STRING([--with-ruby-version=STR], [ruby version string for version specific directories [[full]] (full|minor|STR)]),
[ruby_version=$withval],
[ruby_version=full])
unset RUBY_LIB_VERSION
unset RUBY_LIB_VERSION_STYLE
AS_CASE(["$ruby_version"],
[full], [RUBY_LIB_VERSION_STYLE='3 /* full */'],
[minor], [RUBY_LIB_VERSION_STYLE='2 /* minor */'])
AS_IF([test ${RUBY_LIB_VERSION_STYLE+set}], [
{
echo "#define RUBY_LIB_VERSION_STYLE $RUBY_LIB_VERSION_STYLE"
echo '@%:@include "confdefs.h"'
echo '#define STRINGIZE(x) x'
test -f revision.h -o -f "${srcdir}/revision.h" || echo '#define RUBY_REVISION 0'
echo '#include "version.h"'
echo 'ruby_version=RUBY_LIB_VERSION'
} > conftest.c
ruby_version="`$CPP -I. -I"${srcdir}" -I"${srcdir}/include" conftest.c | sed '/^ruby_version=/!d;s/ //g'`"
eval $ruby_version
], [test -z "${ruby_version}"], [
AC_MSG_ERROR([No ruby version, No place for bundled libraries])
], [
RUBY_LIB_VERSION="${ruby_version}"
])
AC_SUBST(RUBY_LIB_VERSION_STYLE)
AC_SUBST(RUBY_LIB_VERSION)
AC_ARG_WITH(sitedir,
AS_HELP_STRING([--with-sitedir=DIR], [site libraries in DIR [[RUBY_LIB_PREFIX/site_ruby]], "no" to disable site directory]),
[sitedir=$withval],
[sitedir='${rubylibprefix}/site_ruby'])
sitelibdir='${sitedir}/${ruby_version}'
AC_ARG_WITH(sitearchdir,
AS_HELP_STRING([--with-sitearchdir=DIR],
[architecture dependent site libraries in DIR [[SITEDIR/SITEARCH]], "no" to disable site directory]),
[sitearchdir=$withval],
[sitearchdir=${multiarch+'${rubysitearchprefix}/site_ruby/${ruby_version}'}${multiarch-'${sitelibdir}/${sitearch}'}])
AC_ARG_WITH(vendordir,
AS_HELP_STRING([--with-vendordir=DIR], [vendor libraries in DIR [[RUBY_LIB_PREFIX/vendor_ruby]], "no" to disable vendor directory]),
[vendordir=$withval],
[vendordir='${rubylibprefix}/vendor_ruby'])
vendorlibdir='${vendordir}/${ruby_version}'
AC_ARG_WITH(vendorarchdir,
AS_HELP_STRING([--with-vendorarchdir=DIR],
[architecture dependent vendor libraries in DIR [[VENDORDIR/SITEARCH]], "no" to disable vendor directory]),
[vendorarchdir=$withval],
[vendorarchdir=${multiarch+'${rubysitearchprefix}/vendor_ruby/${ruby_version}'}${multiarch-'${vendorlibdir}/${sitearch}'}])
AS_IF([test "${LOAD_RELATIVE+set}"], [
AC_DEFINE_UNQUOTED(LOAD_RELATIVE, $LOAD_RELATIVE)
RUBY_EXEC_PREFIX=''
])
AC_SUBST(RUBY_EXEC_PREFIX)
AC_SUBST(libdirname, ${multiarch+arch}libdir)
AC_SUBST(archlibdir)dnl
AC_SUBST(sitearchlibdir)dnl
AC_SUBST(archincludedir)dnl
AC_SUBST(sitearchincludedir)dnl
AC_SUBST(arch)dnl
AC_SUBST(sitearch)dnl
AC_SUBST(ruby_version)dnl
AC_SUBST(rubylibdir)dnl
AC_SUBST(rubyarchdir)dnl
AC_SUBST(sitedir)dnl
AC_SUBST(sitelibdir)dnl
AC_SUBST(sitearchdir)dnl
AC_SUBST(vendordir)dnl
AC_SUBST(vendorlibdir)dnl
AC_SUBST(vendorarchdir)dnl
AC_SUBST(CONFIGURE, "`echo $0 | sed 's|.*/||'`")dnl
AC_SUBST(configure_args, "`echo "${ac_configure_args}" | sed 's/\\$/$$/g'`")dnl
AS_IF([test "${universal_binary-no}" = yes ], [
arch="universal-${target_os}"
AS_IF([test "${rb_cv_architecture_available}" = yes], [
AC_DEFINE_UNQUOTED(RUBY_PLATFORM_CPU, __ARCHITECTURE__)
], [
for archs in ${universal_archnames}; do
cpu=`echo $archs | sed 's/.*=//'`
archs=`echo $archs | sed 's/=.*//'`
RUBY_DEFINE_IF([defined __${archs}__ &&! defined RUBY_PLATFORM_CPU], RUBY_PLATFORM_CPU, ["${cpu}"])
done
])
ints='long int short'
test "$ac_cv_type_long_long" = yes && ints="'long long' $ints"
AC_SUBST(UNIVERSAL_ARCHNAMES, "${universal_archnames}")
AC_SUBST(UNIVERSAL_INTS, "${ints}")
AC_DEFINE_UNQUOTED(RUBY_PLATFORM_OS, "${target_os}")
AC_DEFINE_UNQUOTED(RUBY_ARCH, "universal-" RUBY_PLATFORM_OS)
AC_DEFINE_UNQUOTED(RUBY_PLATFORM, "universal." RUBY_PLATFORM_CPU "-" RUBY_PLATFORM_OS)
], [
AS_IF([test "${target_os}-${rb_cv_msvcrt}" = "mingw32-ucrt" ], [
arch="${target_cpu}-mingw-ucrt"
], [
arch="${target_cpu}-${target_os}"
])
AC_DEFINE_UNQUOTED(RUBY_PLATFORM, "$arch")
AS_IF([test "$arch" = "s390x-linux"], [
AC_DEFINE_UNQUOTED(USE_MN_THREADS, 0)
])
])
unset sitearch
AS_CASE(["$target_os"],[mingw*],[sitearch="$target_cpu-$rb_cv_msvcrt"])
: ${sitearch='${arch}'}
AC_ARG_WITH(search-path,
AS_HELP_STRING([--with-search-path=DIR], [specify the additional search path]),
[search_path=$withval])
AS_IF([test "$search_path" != ""], [
AC_SUBST(RUBY_SEARCH_PATH, $search_path)
])
AC_ARG_WITH(rubyhdrdir,
AS_HELP_STRING([--with-rubyhdrdir=DIR], [core headers in DIR [[INCLUDEDIR/RUBY_BASE_NAME-RUBY_VERSION]]]),
[rubyhdrdir=$withval],
[rubyhdrdir='${includedir}/${RUBY_VERSION_NAME}'])
AC_ARG_WITH(rubyarchhdrdir,
AS_HELP_STRING([--with-rubyarchhdrdir=DIR],
[architecture dependent core headers in DIR [[$(rubyhdrdir)/$(arch)]]]),
[rubyarchhdrdir=$withval],
[rubyarchhdrdir=${multiarch+'${archincludedir}/${RUBY_VERSION_NAME}'}${multiarch-'${rubyhdrdir}/${arch}'}])
AC_ARG_WITH(sitehdrdir,
AS_HELP_STRING([--with-sitehdrdir=DIR], [core site headers in DIR [[RUBYHDRDIR/site_ruby]]]),
[sitehdrdir=$withval],
[sitehdrdir='${rubyhdrdir}/site_ruby'])
AC_ARG_WITH(sitearchhdrdir,
AS_HELP_STRING([--with-sitearchhdrdir=DIR],
[architecture dependent core site headers in DIR [[RUBYHDRDIR/site_ruby]]]),
[sitearchhdrdir=$withval],
[sitearchhdrdir=${multiarch+'${sitearchincludedir}/${RUBY_VERSION_NAME}/site_ruby'}${multiarch-'${sitehdrdir}/${sitearch}'}])
AC_ARG_WITH(vendorhdrdir,
AS_HELP_STRING([--with-vendorhdrdir=DIR], [core vendor headers in DIR [[RUBYHDRDIR/vendor_ruby]]]),
[vendorhdrdir=$withval],
[vendorhdrdir='${rubyhdrdir}/vendor_ruby'])
AC_ARG_WITH(vendorarchhdrdir,
AS_HELP_STRING([--with-vendorarchhdrdir=DIR],
[architecture dependent core vendor headers in DIR [[RUBYHDRDIR/vendor_ruby]]]),
[vendorarchhdrdir=$withval],
[vendorarchhdrdir=${multiarch+'${sitearchincludedir}/${RUBY_VERSION_NAME}/vendor_ruby'}${multiarch-'${vendorhdrdir}/${sitearch}'}])
AC_SUBST(rubyhdrdir)dnl
AC_SUBST(sitehdrdir)dnl
AC_SUBST(vendorhdrdir)dnl
AC_SUBST(rubyarchhdrdir)dnl
AC_SUBST(sitearchhdrdir)dnl
AC_SUBST(vendorarchhdrdir)dnl
AC_ARG_WITH(mantype,
AS_HELP_STRING([--with-mantype=TYPE], [specify man page type; TYPE is one of man and doc]),
[
AS_CASE(["$withval"],
[man|man.gz|man.bz2|doc|doc.gz|doc.bz2], [MANTYPE=$withval],
[AC_MSG_ERROR(invalid man type: $withval)])
])
AS_IF([test -z "$MANTYPE"], [
dnl Looks for nroff with -mdoc support.
AC_CACHE_VAL([ac_cv_path_NROFF], [
AC_PATH_PROGS_FEATURE_CHECK([NROFF],
[nroff awf mandoc],
[$ac_path_NROFF -mdoc ${srcdir}/man/ruby.1 \
>/dev/null 2>&1 &&
ac_cv_path_NROFF=$ac_path_NROFF \
ac_path_NROFF_found=:],
[], ["/usr/bin:/usr/ucb"]
)
])
AS_IF([test -n "$ac_cv_path_NROFF"], [
MANTYPE=doc
], [
MANTYPE=man
])
])
AC_SUBST(MANTYPE)
MKMF_VERBOSE=0
AC_ARG_ENABLE(mkmf-verbose,
AS_HELP_STRING([--enable-mkmf-verbose], [enable verbose in mkmf]),
[MKMF_VERBOSE=1],
[MKMF_VERBOSE=0])
AC_SUBST(MKMF_VERBOSE)
AC_ARG_ENABLE(rubygems,
AS_HELP_STRING([--disable-rubygems], [disable rubygems by default]),
[enable_rubygems="$enableval"], [enable_rubygems=yes])
AS_IF([test x"$enable_rubygems" = xno], [
USE_RUBYGEMS=no
], [
USE_RUBYGEMS=yes
])
AC_SUBST(USE_RUBYGEMS)
arch_hdrdir="${EXTOUT}/include/${arch}/ruby"
AS_MKDIR_P("${arch_hdrdir}")
config_h="${arch_hdrdir}/config.h"
guard=INCLUDE_RUBY_CONFIG_H
{
echo "#ifndef $guard"
echo "#define $guard 1"
sed "/^@%:@define PACKAGE_/d;s/ *$//" confdefs.h
echo "#endif /* $guard */"
} | tr -d '\015' |
(
AS_IF([test "x$CONFIGURE_TTY" = xyes], [color=--color], [color=])
exec ${SHELL} ${tooldir}/ifchange $color "${config_h}" -
) >&AS_MESSAGE_FD || AC_MSG_ERROR([failed to create ${config_h}])
tr -d '\015' < largefile.h > confdefs.h
rm largefile.h
BUILTIN_ENCS=["`sed -n -e '/^BUILTIN_ENCS[ ]*=/{' \
-e s/// -e :l -e '/\\\\$/N' -e 's/\\\\\\n/ /' -e 't l' -e p \
-e '}' "${srcdir}/enc/Makefile.in"`"]
BUILTIN_ENCOBJS=
for e in $BUILTIN_ENCS; do BUILTIN_ENCOBJS="$BUILTIN_ENCOBJS "`echo $e | sed 's/\.c$/.$(OBJEXT)/'`; done
AC_SUBST(BUILTIN_ENCOBJS)
BUILTIN_TRANSES=["`sed -n -e '/^BUILTIN_TRANSES[ ]*=/{' \
-e s/// -e :l -e '/\\\\$/N' -e 's/\\\\\\n/ /' -e 't l' -e p \
-e '}' "${srcdir}/enc/Makefile.in"`"]
BUILTIN_TRANSSRCS=
BUILTIN_TRANSOBJS=
for e in $BUILTIN_TRANSES; do
BUILTIN_TRANSSRCS="$BUILTIN_TRANSSRCS "`echo $e | sed 's/\.trans$/.c/'`
BUILTIN_TRANSOBJS="$BUILTIN_TRANSOBJS "`echo $e | sed 's/\.trans$/.$(OBJEXT)/'`
done
AC_SUBST(BUILTIN_TRANSSRCS)
AC_SUBST(BUILTIN_TRANSOBJS)
PACKAGE=$RUBY_BASE_NAME
AC_SUBST(PACKAGE)
AS_MESSAGE([$PACKAGE library version = $ruby_version])
AS_IF([test x"$CC_WRAPPER" != x], [
CC='$(CC_WRAPPER) '"${CC@%:@$CC_WRAPPER }"
CPP='$(CC_WRAPPER) '"${CPP@%:@$CC_WRAPPER }"
XCC_WRAPPER="$CC_WRAPPER"
])
AC_SUBST(CC_WRAPPER, '')
AC_SUBST(XCC_WRAPPER)
AS_CASE([" $CPP "], [*" $CC "*], [CPP=`echo " $CPP " | sed "s| $CC |"' $(CC) |;s/^ *//;s/ *$//'`])
AS_IF([test ! -f "$srcdir/revision.h"], [
AS_IF([test "x$HAVE_BASERUBY" = xyes], [
${BASERUBY} -C "$srcdir" tool/file2lastrev.rb -q --revision.h > "$srcdir/revision.h"
], [
touch "$srcdir/revision.h"
])
])
AS_IF([test x"$firstmf" != x], [
AC_CONFIG_FILES($firstmf:$firsttmpl, [], [firstmf="$firstmf" firsttmpl="$firsttmpl"])
])
AC_CONFIG_FILES(Makefile:template/Makefile.in, [
tmpmk=confmk$$.tmp
{
AS_IF([test ${VCS+set}], [
:
], [git_dir=`$GIT --work-tree="$srcdir" --git-dir="$srcdir/.git" rev-parse --git-dir 2>/dev/null`], [
VCS='$(GIT)'
], [
VCS='echo cannot'
])
AS_CASE("$VCS",
['$(GIT)'|git], [VCSUP='$(VCS) pull --rebase $(GITPULLOPTIONS)'],
[VCSUP='$(VCS)'])
for f in "$srcdir/version.h" "$srcdir/revision.h"; do
test -f "$f" || continue
sed -n \
-e '[/^@%:@define \(RUBY_RELEASE_[A-Z]*\) \([0-9][0-9]*\)/]{' \
-e 's//\1 = \2/' \
-e '[s/ \([0-9]\)$/ 0\1/]' \
-e p \
-e '}' "$f"
done
sed '/^MISSING/s/\$U\././g;/^VCS *=/s#@VCS@#'"$VCS"'#;/^VCSUP *=/s#@VCSUP@#'"$VCSUP"'#' Makefile
echo; test x"$EXEEXT" = x || echo 'miniruby: miniruby$(EXEEXT)'
AS_IF([test "$gnumake" != yes], [
echo ['$(MKFILES): $(srcdir)/common.mk']
sed ['s/{\$([^(){}]*)[^{}]*}//g'] ${srcdir}/common.mk
AS_IF([test "$YJIT_SUPPORT" = yes], [
cat ${srcdir}/yjit/not_gmake.mk
echo ['$(MKFILES): ${srcdir}/yjit/not_gmake.mk']
])
], [
echo 'distclean-local::; @$(RM) GNUmakefile uncommon.mk'
])
echo; echo '$(srcdir)/$(CONFIGURE):RUBY_M4_INCLUDED \
$(empty)'
} > $tmpmk && AS_IF([! grep '^ruby:' $tmpmk > /dev/null], [
AS_IF([test "${gnumake}" = yes], [
tmpgmk=confgmk$$.tmp
{
echo "include $tmpmk"
echo "-include uncommon.mk"
} > $tmpgmk
], [
tmpgmk=$tmpmk
]) &&
test -z "`${MAKE-make} -f $tmpgmk info-program | grep '^PROGRAM=ruby$'`" &&
echo 'ruby: $(PROGRAM);' >> $tmpmk
test "$tmpmk" = "$tmpgmk" || rm -f "$tmpgmk"
]) && mv -f $tmpmk Makefile],
[EXEEXT='$EXEEXT' MAKE='${MAKE-make}' gnumake='$gnumake' GIT='$GIT' YJIT_SUPPORT='$YJIT_SUPPORT'])
AC_ARG_WITH([ruby-pc],
AS_HELP_STRING([--with-ruby-pc=FILENAME], [pc file basename]),
[ruby_pc="$withval"],
[ruby_pc="${RUBY_BASE_NAME}-${MAJOR}.${MINOR}.pc"])
AC_SUBST(ruby_pc)
AC_SUBST(exec, [exec])
AC_ARG_WITH(destdir,
AS_HELP_STRING([--with-destdir=DESTDIR], [specify default directory to install]),
[DESTDIR="$withval"])
AC_SUBST(DESTDIR)
AC_OUTPUT
}
AS_IF([test "$silent" = yes], [], [
AS_IF([${FOLD+:} false], [], [
AS_IF([test "`echo abcdefg hijklmno | fold -s -w10 | sed 1d`" = hijklmno], [FOLD="fold"], [FOLD=])
])
fold_width=`expr $COLUMNS - 30 2>/dev/null` || fold_width=50
AS_REQUIRE_SHELL_FN([config_summary],
[AS_FUNCTION_DESCRIBE([config_summary], [NAME, VAL], [configuration summary])],
[AS_IF([test -z "$2"], [], [
AS_ECHO_N([" * $1: "]) | dd bs=1 count=26 2>/dev/null
AS_IF([test "$FOLD"], [
echo "$2" | fold -s -w$fold_width |
sed '1!s/^/ /;$!s/$/\\/'
], [echo "$2"])
])]
)
AS_IF([test $install_doc = yes],
[DOCTARGETS=`echo " $RDOCTARGET $CAPITARGET " | sed 's/ nodoc //g;s/^ *//;s/ *$//'`],
[DOCTARGETS=no])
echo "---"
echo "Configuration summary for $RUBY_BASE_NAME version $MAJOR.$MINOR.$TEENY"
echo ""
config_summary "Installation prefix" "$prefix"
config_summary "exec prefix" "$exec_prefix"
config_summary "arch" "$arch"
config_summary "site arch" "$sitearch"
config_summary "RUBY_BASE_NAME" "$RUBY_BASE_NAME"
config_summary "enable shared" "$enable_shared"
config_summary "ruby lib prefix" "$rubylibprefix"
config_summary "site libraries path" "$rubysitearchprefix"
config_summary "vendor path" "$vendordir"
config_summary "target OS" "$target_os"
config_summary "compiler" "$CC"
config_summary "with thread" "$THREAD_MODEL"
config_summary "with coroutine" "$coroutine_type"
config_summary "with shared GC" "$shared_gc_summary"
config_summary "enable shared libs" "$ENABLE_SHARED"
config_summary "dynamic library ext" "$DLEXT"
config_summary "CFLAGS" "$cflags"
config_summary "CPPFLAGS" "$cppflags"
config_summary "LDFLAGS" "$LDFLAGS"
config_summary "DLDFLAGS" "$DLDFLAGS"
config_summary "optflags" "$optflags"
config_summary "debugflags" "$debugflags"
config_summary "warnflags" "$warnflags"
config_summary "hardenflags" "$hardenflags"
config_summary "strip command" "$STRIP"
config_summary "install doc" "$DOCTARGETS"
config_summary "YJIT support" "$YJIT_SUPPORT"
config_summary "RJIT support" "$RJIT_SUPPORT"
config_summary "man page type" "$MANTYPE"
config_summary "search path" "$search_path"
config_summary "static-linked-ext" ${EXTSTATIC:+"yes"}
config_summary "BASERUBY -v" "$BASERUBY_VERSION"
echo ""
echo "---"
])
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