gecko-dev/build/autoconf/nspr-build.m4

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dnl This Source Code Form is subject to the terms of the Mozilla Public
dnl License, v. 2.0. If a copy of the MPL was not distributed with this
dnl file, You can obtain one at http://mozilla.org/MPL/2.0/.
AC_DEFUN([MOZ_CONFIG_NSPR], [
ifelse([$1],,define(CONFIGURING_JS,yes))
dnl Possible ways this can be called:
dnl from toplevel configure:
dnl JS_STANDALONE= BUILDING_JS=
dnl from js/src/configure invoked by toplevel configure:
dnl JS_STANDALONE= BUILDING_JS=1
dnl from standalone js/src/configure:
dnl JS_STANDALONE=1 BUILDING_JS=1
dnl ========================================================
dnl = Find the right NSPR to use.
dnl ========================================================
MOZ_ARG_WITH_STRING(nspr-cflags,
[ --with-nspr-cflags=FLAGS
Pass FLAGS to CC when building code that uses NSPR.
Use this when there's no accurate nspr-config
script available. This is the case when building
SpiderMonkey as part of the Mozilla tree: the
top-level configure script computes NSPR flags
that accomodate the quirks of that environment.],
NSPR_CFLAGS=$withval)
MOZ_ARG_WITH_STRING(nspr-libs,
[ --with-nspr-libs=LIBS Pass LIBS to LD when linking code that uses NSPR.
See --with-nspr-cflags for more details.],
NSPR_LIBS=$withval)
ifdef([CONFIGURING_JS],[
MOZ_ARG_ENABLE_BOOL(nspr-build,
[ --enable-nspr-build Configure and build NSPR from source tree],
MOZ_BUILD_NSPR=1,
MOZ_BUILD_NSPR=)
])
if test -z "$BUILDING_JS" || test -n "$JS_STANDALONE"; then
_IS_OUTER_CONFIGURE=1
fi
MOZ_ARG_WITH_BOOL(system-nspr,
[ --with-system-nspr Use an NSPR that is already built and installed.
Use the 'nspr-config' script in the current path,
or look for the script in the directories given with
--with-nspr-exec-prefix or --with-nspr-prefix.
(Those flags are only checked if you specify
--with-system-nspr.)],
_USE_SYSTEM_NSPR=1 )
JS_POSIX_NSPR=unset
ifdef([CONFIGURING_JS],[
if test -n "$JS_STANDALONE"; then
case "$target" in
*linux*|*darwin*|*dragonfly*|*freebsd*|*netbsd*|*openbsd*)
if test -z "$_HAS_NSPR"; then
JS_POSIX_NSPR_DEFAULT=1
fi
;;
esac
fi
MOZ_ARG_ENABLE_BOOL(posix-nspr-emulation,
[ --enable-posix-nspr-emulation
Enable emulation of NSPR for POSIX systems],
JS_POSIX_NSPR=1,
JS_POSIX_NSPR=)
])
dnl Pass at most one of
dnl --with-system-nspr
dnl --with-nspr-cflags/libs
dnl --enable-nspr-build
dnl --enable-posix-nspr-emulation
AC_MSG_CHECKING([NSPR selection])
nspr_opts=
which_nspr=default
if test -n "$_USE_SYSTEM_NSPR"; then
nspr_opts="x$nspr_opts"
which_nspr="system"
fi
if test -n "$NSPR_CFLAGS" -o -n "$NSPR_LIBS"; then
nspr_opts="x$nspr_opts"
which_nspr="command-line"
fi
if test -n "$MOZ_BUILD_NSPR"; then
nspr_opts="x$nspr_opts"
which_nspr="source-tree"
fi
if test "$JS_POSIX_NSPR" = unset; then
JS_POSIX_NSPR=
else
nspr_opts="x$nspr_opts"
which_nspr="posix-wrapper"
fi
if test -z "$nspr_opts"; then
if test -z "$BUILDING_JS"; then
dnl Toplevel configure defaults to using nsprpub from the source tree
MOZ_BUILD_NSPR=1
which_nspr="source-tree"
else
dnl JS configure defaults to emulated NSPR if available, falling back
dnl to nsprpub.
JS_POSIX_NSPR="$JS_POSIX_NSPR_DEFAULT"
if test -z "$JS_POSIX_NSPR"; then
MOZ_BUILD_NSPR=1
which_nspr="source-tree"
else
which_nspr="posix-wrapper"
fi
fi
fi
if test -z "$nspr_opts" || test "$nspr_opts" = x; then
AC_MSG_RESULT($which_nspr)
else
AC_MSG_ERROR([only one way of using NSPR may be selected. See 'configure --help'.])
fi
AC_SUBST(MOZ_BUILD_NSPR)
if test -n "$BUILDING_JS"; then
if test "$JS_POSIX_NSPR" = 1; then
AC_DEFINE(JS_POSIX_NSPR)
fi
AC_SUBST(JS_POSIX_NSPR)
fi
# A (sub)configure invoked by the toplevel configure will always receive
# --with-nspr-libs on the command line. It will never need to figure out
# anything itself.
if test -n "$_IS_OUTER_CONFIGURE"; then
if test -n "$_USE_SYSTEM_NSPR"; then
AM_PATH_NSPR($NSPR_MINVER, [MOZ_NATIVE_NSPR=1], [AC_MSG_ERROR([you do not have NSPR installed or your version is older than $NSPR_MINVER.])])
fi
if test -n "$MOZ_NATIVE_NSPR" -o -n "$NSPR_CFLAGS" -o -n "$NSPR_LIBS"; then
_SAVE_CFLAGS=$CFLAGS
CFLAGS="$CFLAGS $NSPR_CFLAGS"
AC_TRY_COMPILE([#include "prtypes.h"],
[#ifndef PR_STATIC_ASSERT
#error PR_STATIC_ASSERT not defined or requires including prtypes.h
#endif],
,
AC_MSG_ERROR([system NSPR does not support PR_STATIC_ASSERT or including prtypes.h does not provide it]))
AC_TRY_COMPILE([#include "prtypes.h"],
[#ifndef PR_UINT64
#error PR_UINT64 not defined or requires including prtypes.h
#endif],
,
AC_MSG_ERROR([system NSPR does not support PR_UINT64 or including prtypes.h does not provide it]))
CFLAGS=$_SAVE_CFLAGS
elif test -z "$JS_POSIX_NSPR"; then
if test -z "$LIBXUL_SDK"; then
NSPR_CFLAGS="-I${LIBXUL_DIST}/include/nspr"
if test -n "$GNU_CC"; then
NSPR_LIBS="-L${LIBXUL_DIST}/lib -lnspr${NSPR_VERSION} -lplc${NSPR_VERSION} -lplds${NSPR_VERSION}"
else
NSPR_LIBS="${LIBXUL_DIST}/lib/nspr${NSPR_VERSION}.lib ${LIBXUL_DIST}/lib/plc${NSPR_VERSION}.lib ${LIBXUL_DIST}/lib/plds${NSPR_VERSION}.lib "
fi
else
NSPR_CFLAGS=`"${LIBXUL_DIST}"/sdk/bin/nspr-config --prefix="${LIBXUL_DIST}" --includedir="${LIBXUL_DIST}/include/nspr" --cflags`
NSPR_LIBS=`"${LIBXUL_DIST}"/sdk/bin/nspr-config --prefix="${LIBXUL_DIST}" --libdir="${LIBXUL_DIST}"/lib --libs`
fi
fi
AC_SUBST(NSPR_CFLAGS)
NSPR_PKGCONF_CHECK="nspr"
if test -n "$MOZ_NATIVE_NSPR"; then
# piggy back on $MOZ_NATIVE_NSPR to set a variable for the nspr check for js.pc
NSPR_PKGCONF_CHECK="nspr >= $NSPR_MINVER"
_SAVE_CFLAGS=$CFLAGS
CFLAGS="$CFLAGS $NSPR_CFLAGS"
AC_TRY_COMPILE([#include "prlog.h"],
[#ifndef PR_STATIC_ASSERT
#error PR_STATIC_ASSERT not defined
#endif],
,
AC_MSG_ERROR([system NSPR does not support PR_STATIC_ASSERT]))
CFLAGS=$_SAVE_CFLAGS
fi
AC_SUBST(NSPR_PKGCONF_CHECK)
fi # _IS_OUTER_CONFIGURE
])
AC_DEFUN([MOZ_SUBCONFIGURE_NSPR], [
if test -z "$MOZ_NATIVE_NSPR"; then
ac_configure_args="$_SUBDIR_CONFIG_ARGS --with-dist-prefix=$MOZ_BUILD_ROOT/dist --with-mozilla"
if test -z "$MOZ_DEBUG"; then
ac_configure_args="$ac_configure_args --disable-debug"
else
ac_configure_args="$ac_configure_args --enable-debug"
if test -n "$MOZ_NO_DEBUG_RTL"; then
ac_configure_args="$ac_configure_args --disable-debug-rtl"
fi
fi
if test "$MOZ_OPTIMIZE" = "1"; then
ac_configure_args="$ac_configure_args --enable-optimize"
elif test -z "$MOZ_OPTIMIZE"; then
ac_configure_args="$ac_configure_args --disable-optimize"
fi
if test -n "$HAVE_64BIT_BUILD"; then
ac_configure_args="$ac_configure_args --enable-64bit"
fi
if test -n "$USE_ARM_KUSER"; then
ac_configure_args="$ac_configure_args --with-arm-kuser"
fi
# A configure script generated by autoconf 2.68 does not allow the cached
# values of "precious" variables such as CFLAGS and LDFLAGS to differ from
# the values passed to the configure script. Since we modify CFLAGS and
# LDFLAGS before passing them to NSPR's configure script, we cannot share
# config.cache with NSPR. As a result, we cannot pass AS, CC, CXX, etc. to
# NSPR via a shared config.cache file and must pass them to NSPR on the
# configure command line.
for var in AS CC CXX CPP LD AR RANLIB STRIP; do
ac_configure_args="$ac_configure_args $var='`eval echo \\${${var}}`'"
done
# A configure script generated by autoconf 2.68 warns if --host is
# specified but --build isn't. So we always pass --build to NSPR's
# configure script.
ac_configure_args="$ac_configure_args --build=$build"
ac_configure_args="$ac_configure_args $NSPR_CONFIGURE_ARGS"
# Save these, so we can mess with them for the subconfigure ..
_SAVE_CFLAGS="$CFLAGS"
_SAVE_CPPFLAGS="$CPPFLAGS"
_SAVE_LDFLAGS="$LDFLAGS"
if test -n "$MOZ_LINKER" -a "$ac_cv_func_dladdr" = no ; then
# dladdr is supported by the new linker, even when the system linker doesn't
# support it. Trick nspr into using dladdr when it's not supported.
export CPPFLAGS="-include $_topsrcdir/mozglue/linker/dladdr.h $CPPFLAGS"
fi
export LDFLAGS="$LDFLAGS $NSPR_LDFLAGS"
export CFLAGS="$CFLAGS $MOZ_FRAMEPTR_FLAGS"
AC_OUTPUT_SUBDIRS(nsprpub)
# .. and restore them
CFLAGS="$_SAVE_CFLAGS"
CPPFLAGS="$_SAVE_CPPFLAGS"
LDFLAGS="$_SAVE_LDFLAGS"
ac_configure_args="$_SUBDIR_CONFIG_ARGS"
fi
])