ruby/ext/fiddle/extconf.rb

267 строки
7.4 KiB
Ruby

# frozen_string_literal: true
require "rbconfig"
unless RUBY_ENGINE == "ruby"
File.write('Makefile', <<-MAKEFILE)
all install clean:
#{RbConfig::CONFIG["NULLCMD"]}
.PHONY: all install clean
MAKEFILE
return
end
require 'mkmf'
# :stopdoc:
def gcc?
RbConfig::CONFIG["GCC"] == "yes"
end
def disable_optimization_build_flag(flags)
if gcc?
expanded_flags = RbConfig.expand(flags.dup)
optimization_option_pattern = /(^|\s)?-O\d(\s|$)?/
if optimization_option_pattern.match?(expanded_flags)
expanded_flags.gsub(optimization_option_pattern, '\\1-Og\\2')
else
flags + " -Og"
end
else
flags
end
end
def enable_debug_build_flag(flags)
if gcc?
expanded_flags = RbConfig.expand(flags.dup)
debug_option_pattern = /(^|\s)-g(?:gdb)?\d?(\s|$)/
if debug_option_pattern.match?(expanded_flags)
expanded_flags.gsub(debug_option_pattern, '\\1-ggdb3\\2')
else
flags + " -ggdb3"
end
else
flags
end
end
checking_for(checking_message("--enable-debug-build option")) do
enable_debug_build = enable_config("debug-build", false)
if enable_debug_build
$CFLAGS = disable_optimization_build_flag($CFLAGS)
$CFLAGS = enable_debug_build_flag($CFLAGS)
end
enable_debug_build
end
libffi_version = nil
have_libffi = false
bundle = with_config("libffi-source-dir")
unless bundle
dir_config 'libffi'
if pkg_config("libffi")
libffi_version = pkg_config("libffi", "modversion")
end
have_ffi_header = false
if have_header(ffi_header = 'ffi.h')
have_ffi_header = true
elsif have_header(ffi_header = 'ffi/ffi.h')
$defs.push('-DUSE_HEADER_HACKS')
have_ffi_header = true
end
if have_ffi_header && (have_library('ffi') || have_library('libffi'))
have_libffi = true
end
end
unless have_libffi
if bundle
libffi_srcdir = libffi_package_name = bundle
else
raise "missing libffi. Please install libffi or use --with-libffi-source-dir with libffi source location."
end
ffi_header = 'ffi.h'
libffi = Struct.new(*%I[dir srcdir builddir include lib a cflags ldflags opt arch]).new
libffi.dir = libffi_package_name
if $srcdir == "."
libffi.builddir = libffi_package_name
libffi.srcdir = "."
else
libffi.builddir = libffi.dir
libffi.srcdir = relative_from(libffi_srcdir, "..")
end
libffi.include = "#{libffi.builddir}/include"
libffi.lib = "#{libffi.builddir}/.libs"
libffi.a = "#{libffi.lib}/libffi_convenience.#{$LIBEXT}"
nowarn = CONFIG.merge("warnflags"=>"")
libffi.cflags = RbConfig.expand("$(CFLAGS)".dup, nowarn)
libffi_version = libffi_package_name[/libffi-(.*)/, 1]
FileUtils.mkdir_p(libffi.dir)
libffi.opt = CONFIG['configure_args'][/'(-C)'/, 1]
libffi.ldflags = RbConfig.expand("$(LDFLAGS) #{libpathflag([relative_from($topdir, "..")])} #{$LIBRUBYARG}".dup)
libffi.arch = RbConfig::CONFIG['host']
if $mswin
unless find_executable(as = /x64/ =~ libffi.arch ? "ml64" : "ml")
raise "missing #{as} command."
end
$defs << "-DFFI_BUILDING"
libffi_config = "#{relative_from($srcdir, '..')}/win32/libffi-config.rb"
config = CONFIG.merge("top_srcdir" => $top_srcdir)
args = $ruby.gsub(/:\/=\\/, '')
args.gsub!(/\)\\/, ')/')
args = args.shellsplit
args.map! {|s| RbConfig.expand(s, config)}
args << '-C' << libffi.dir << libffi_config
opts = {}
else
args = %W[sh #{libffi.srcdir}/configure ]
opts = {chdir: libffi.dir}
end
cc = RbConfig::CONFIG['CC']
cxx = RbConfig::CONFIG['CXX']
ld = RbConfig::CONFIG['LD']
args.concat %W[
--srcdir=#{libffi.srcdir}
--host=#{libffi.arch}
]
args << ($enable_shared || !$static ? '--enable-shared' : '--enable-static')
args << libffi.opt if libffi.opt
args.concat %W[
CC=#{cc} CFLAGS=#{libffi.cflags}
CXX=#{cxx} CXXFLAGS=#{RbConfig.expand("$(CXXFLAGS)".dup, nowarn)}
LD=#{ld} LDFLAGS=#{libffi.ldflags}
]
FileUtils.rm_f("#{libffi.include}/ffitarget.h")
Logging::open do
Logging.message("%p in %p\n", args, opts)
unless system(*args, **opts)
begin
IO.copy_stream(libffi.dir + "/config.log", Logging.instance_variable_get(:@logfile))
rescue SystemCallError => e
Logging.message("%s\n", e.message)
end
raise "failed to configure libffi. Please install libffi."
end
end
if $mswin && File.file?("#{libffi.include}/ffitarget.h")
FileUtils.rm_f("#{libffi.include}/ffitarget.h")
end
unless File.file?("#{libffi.include}/ffitarget.h")
FileUtils.cp("#{libffi_srcdir}/src/x86/ffitarget.h", libffi.include, preserve: true)
end
$INCFLAGS << " -I" << libffi.include
end
if libffi_version
# If libffi_version contains rc version, just ignored.
libffi_version = libffi_version.gsub(/-rc\d+/, '')
libffi_version = (libffi_version.split('.').map(&:to_i) + [0,0])[0,3]
$defs.push(%{-DRUBY_LIBFFI_MODVERSION=#{ '%d%03d%03d' % libffi_version }})
warn "libffi_version: #{libffi_version.join('.')}"
end
case
when $mswin, $mingw, (libffi_version && (libffi_version <=> [3, 2]) >= 0)
$defs << "-DUSE_FFI_CLOSURE_ALLOC=1"
when (libffi_version && (libffi_version <=> [3, 2]) < 0)
else
have_func('ffi_closure_alloc', ffi_header)
end
if libffi_version
if (libffi_version <=> [3, 0, 11]) >= 0
$defs << "-DHAVE_FFI_PREP_CIF_VAR"
end
else
have_func('ffi_prep_cif_var', ffi_header)
end
have_header 'sys/mman.h'
have_header 'link.h'
if have_header "dlfcn.h"
have_library "dl"
%w{ dlopen dlclose dlsym }.each do |func|
abort "missing function #{func}" unless have_func(func)
end
have_func "dlerror"
have_func "dlinfo"
have_const("RTLD_DI_LINKMAP", "dlfcn.h")
elsif have_header "windows.h"
%w{ LoadLibrary FreeLibrary GetProcAddress GetModuleFileName }.each do |func|
abort "missing function #{func}" unless have_func(func)
end
have_library "ws2_32"
end
have_const('FFI_STDCALL', ffi_header)
config = File.read(RbConfig.expand(File.join($arch_hdrdir, "ruby/config.h")))
types = {"SIZE_T"=>"SSIZE_T", "PTRDIFF_T"=>nil, "INTPTR_T"=>nil}
types.each do |type, signed|
if /^\#define\s+SIZEOF_#{type}\s+(SIZEOF_(.+)|\d+)/ =~ config
if size = $2 and size != 'VOIDP'
size = types.fetch(size) {size}
$defs << "-DTYPE_#{signed||type}=TYPE_#{size}"
end
if signed
check_signedness(type.downcase, "stddef.h")
end
else
check_signedness(type.downcase, "stddef.h")
end
end
if libffi
$LOCAL_LIBS.prepend("#{libffi.a} ").strip! # to exts.mk
$INCFLAGS.gsub!(/-I#{libffi.dir}/, '-I$(LIBFFI_DIR)')
end
have_func("rb_str_to_interned_str")
create_makefile 'fiddle' do |conf|
if !libffi
next conf << "LIBFFI_CLEAN = none\n"
elsif $gnumake && !$nmake
submake_arg = "-C $(LIBFFI_DIR)\n"
else
submake_pre = "cd $(LIBFFI_DIR) && #{config_string("exec")}".strip
end
if $nmake
cmd = "$(RUBY) -C $(LIBFFI_DIR) #{libffi_config} --srcdir=$(LIBFFI_SRCDIR)"
else
cmd = "cd $(LIBFFI_DIR) && #$exec $(LIBFFI_SRCDIR)/configure #{libffi.opt}"
end
sep = "/"
seprpl = config_string('BUILD_FILE_SEPARATOR') {|s| sep = s; ":/=#{s}" if s != "/"} || ""
conf << <<-MK.gsub(/^ +| +$/, '')
PWD =
LIBFFI_CONFIGURE = #{cmd}
LIBFFI_ARCH = #{libffi.arch}
LIBFFI_SRCDIR = #{libffi.srcdir.sub(libffi.dir, '$(LIBFFI_DIR)')}
LIBFFI_DIR = #{libffi.dir}
LIBFFI_A = #{libffi.a.sub(libffi.dir, '$(LIBFFI_DIR)')}
LIBFFI_CFLAGS = #{libffi.cflags}
LIBFFI_LDFLAGS = #{libffi.ldflags}
FFI_H = $(LIBFFI_DIR)/include/ffi.h
SUBMAKE_PRE = #{submake_pre}
SUBMAKE_ARG = #{submake_arg}
LIBFFI_CLEAN = libffi
MK
end
if libffi
$LIBPATH.pop
end
# :startdoc: