зеркало из https://github.com/github/ruby.git
219 строки
6.7 KiB
Ruby
219 строки
6.7 KiB
Ruby
# frozen_string_literal: true
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require 'mkmf'
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# :stopdoc:
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libffi_version = nil
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have_libffi = false
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bundle = enable_config('bundled-libffi')
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unless bundle
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dir_config 'libffi'
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if pkg_config("libffi")
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libffi_version = pkg_config("libffi", "modversion")
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end
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have_ffi_header = false
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if have_header(ffi_header = 'ffi.h')
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have_ffi_header = true
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elsif have_header(ffi_header = 'ffi/ffi.h')
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$defs.push('-DUSE_HEADER_HACKS')
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have_ffi_header = true
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end
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if have_ffi_header && (have_library('ffi') || have_library('libffi'))
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have_libffi = true
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end
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end
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unless have_libffi
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# for https://github.com/ruby/fiddle
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extlibs_rb = File.expand_path("../../bin/extlibs.rb", $srcdir)
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if bundle && File.exist?(extlibs_rb)
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require "fileutils"
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require_relative "../../bin/extlibs"
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extlibs = ExtLibs.new
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cache_dir = File.expand_path("../../tmp/.download_cache", $srcdir)
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ext_dir = File.expand_path("../../ext", $srcdir)
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Dir.glob("#{$srcdir}/libffi-*/").each{|dir| FileUtils.rm_rf(dir)}
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extlibs.run(["--cache=#{cache_dir}", ext_dir])
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end
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if bundle != false
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libffi_package_name = Dir.glob("#{$srcdir}/libffi-*/")
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.map {|n| File.basename(n)}
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.max_by {|n| n.scan(/\d+/).map(&:to_i)}
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end
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unless libffi_package_name
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raise "missing libffi. Please install libffi."
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end
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libffi_srcdir = "#{$srcdir}/#{libffi_package_name}"
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ffi_header = 'ffi.h'
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libffi = Struct.new(*%I[dir srcdir builddir include lib a cflags ldflags opt arch]).new
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libffi.dir = libffi_package_name
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if $srcdir == "."
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libffi.builddir = libffi_package_name
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libffi.srcdir = "."
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else
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libffi.builddir = libffi.dir
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libffi.srcdir = relative_from(libffi_srcdir, "..")
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end
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libffi.include = "#{libffi.builddir}/include"
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libffi.lib = "#{libffi.builddir}/.libs"
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libffi.a = "#{libffi.lib}/libffi_convenience.#{$LIBEXT}"
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nowarn = CONFIG.merge("warnflags"=>"")
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libffi.cflags = RbConfig.expand("$(CFLAGS)".dup, nowarn)
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libffi_version = libffi_package_name[/libffi-(.*)/, 1]
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FileUtils.mkdir_p(libffi.dir)
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libffi.opt = CONFIG['configure_args'][/'(-C)'/, 1]
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libffi.ldflags = RbConfig.expand("$(LDFLAGS) #{libpathflag([relative_from($topdir, "..")])} #{$LIBRUBYARG}".dup)
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libffi.arch = RbConfig::CONFIG['host']
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if $mswin
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unless find_executable(as = /x64/ =~ libffi.arch ? "ml64" : "ml")
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raise "missing #{as} command."
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end
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$defs << "-DFFI_BUILDING"
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libffi_config = "#{relative_from($srcdir, '..')}/win32/libffi-config.rb"
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config = CONFIG.merge("top_srcdir" => $top_srcdir)
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args = $ruby.gsub(/:\/=\\/, '')
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args.gsub!(/\)\\/, ')/')
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args = args.shellsplit
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args.map! {|s| RbConfig.expand(s, config)}
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args << '-C' << libffi.dir << libffi_config
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opts = {}
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else
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args = %W[sh #{libffi.srcdir}/configure ]
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opts = {chdir: libffi.dir}
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end
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cc = RbConfig::CONFIG['CC']
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cxx = RbConfig::CONFIG['CXX']
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ld = RbConfig::CONFIG['LD']
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args.concat %W[
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--srcdir=#{libffi.srcdir}
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--host=#{libffi.arch}
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]
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args << ($enable_shared || !$static ? '--enable-shared' : '--enable-static')
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args << libffi.opt if libffi.opt
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args.concat %W[
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CC=#{cc} CFLAGS=#{libffi.cflags}
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CXX=#{cxx} CXXFLAGS=#{RbConfig.expand("$(CXXFLAGS)".dup, nowarn)}
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LD=#{ld} LDFLAGS=#{libffi.ldflags}
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]
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FileUtils.rm_f("#{libffi.include}/ffitarget.h")
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Logging::open do
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Logging.message("%p in %p\n", args, opts)
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unless system(*args, **opts)
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begin
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IO.copy_stream(libffi.dir + "/config.log", Logging.instance_variable_get(:@logfile))
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rescue SystemCallError => e
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Logging.message("%s\n", e.message)
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end
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raise "failed to configure libffi. Please install libffi."
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end
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end
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if $mswin && File.file?("#{libffi.include}/ffitarget.h")
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FileUtils.rm_f("#{libffi.include}/ffitarget.h")
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end
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unless File.file?("#{libffi.include}/ffitarget.h")
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FileUtils.cp("#{libffi_srcdir}/src/x86/ffitarget.h", libffi.include, preserve: true)
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end
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$INCFLAGS << " -I" << libffi.include
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end
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if libffi_version
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# If libffi_version contains rc version, just ignored.
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libffi_version = libffi_version.gsub(/-rc\d+/, '')
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libffi_version = (libffi_version.split('.').map(&:to_i) + [0,0])[0,3]
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$defs.push(%{-DRUBY_LIBFFI_MODVERSION=#{ '%d%03d%03d' % libffi_version }})
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warn "libffi_version: #{libffi_version.join('.')}"
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end
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case
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when $mswin, $mingw, (libffi_version && (libffi_version <=> [3, 2]) >= 0)
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$defs << "-DUSE_FFI_CLOSURE_ALLOC=1"
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when (libffi_version && (libffi_version <=> [3, 2]) < 0)
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else
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have_func('ffi_closure_alloc', ffi_header)
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end
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if libffi
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$defs << "-DHAVE_FFI_PREP_CIF_VAR"
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else
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have_func('ffi_prep_cif_var', ffi_header)
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end
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have_header 'sys/mman.h'
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if have_header "dlfcn.h"
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have_library "dl"
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%w{ dlopen dlclose dlsym }.each do |func|
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abort "missing function #{func}" unless have_func(func)
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end
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have_func "dlerror"
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elsif have_header "windows.h"
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%w{ LoadLibrary FreeLibrary GetProcAddress }.each do |func|
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abort "missing function #{func}" unless have_func(func)
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end
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end
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have_const('FFI_STDCALL', ffi_header)
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config = File.read(RbConfig.expand(File.join($arch_hdrdir, "ruby/config.h")))
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types = {"SIZE_T"=>"SSIZE_T", "PTRDIFF_T"=>nil, "INTPTR_T"=>nil}
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types.each do |type, signed|
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if /^\#define\s+SIZEOF_#{type}\s+(SIZEOF_(.+)|\d+)/ =~ config
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if size = $2 and size != 'VOIDP'
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size = types.fetch(size) {size}
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$defs << "-DTYPE_#{signed||type}=TYPE_#{size}"
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end
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if signed
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check_signedness(type.downcase, "stddef.h")
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end
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end
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end
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if libffi
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$LOCAL_LIBS.prepend("./#{libffi.a} ").strip! # to exts.mk
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$INCFLAGS.gsub!(/-I#{libffi.dir}/, '-I$(LIBFFI_DIR)')
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end
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$INCFLAGS << " -I$(top_srcdir)"
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create_makefile 'fiddle' do |conf|
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if !libffi
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next conf << "LIBFFI_CLEAN = none\n"
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elsif $gnumake && !$nmake
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submake_arg = "-C $(LIBFFI_DIR)\n"
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else
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submake_pre = "cd $(LIBFFI_DIR) && #{config_string("exec")}".strip
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end
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if $nmake
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cmd = "$(RUBY) -C $(LIBFFI_DIR) #{libffi_config} --srcdir=$(LIBFFI_SRCDIR)"
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else
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cmd = "cd $(LIBFFI_DIR) && #$exec $(LIBFFI_SRCDIR)/configure #{libffi.opt}"
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end
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sep = "/"
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seprpl = config_string('BUILD_FILE_SEPARATOR') {|s| sep = s; ":/=#{s}" if s != "/"} || ""
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conf << <<-MK.gsub(/^ +| +$/, '')
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PWD =
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LIBFFI_CONFIGURE = #{cmd}
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LIBFFI_ARCH = #{libffi.arch}
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LIBFFI_SRCDIR = #{libffi.srcdir.sub(libffi.dir, '$(LIBFFI_DIR)')}
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LIBFFI_DIR = #{libffi.dir}
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LIBFFI_A = #{libffi.a.sub(libffi.dir, '$(LIBFFI_DIR)')}
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LIBFFI_CFLAGS = #{libffi.cflags}
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LIBFFI_LDFLAGS = #{libffi.ldflags}
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FFI_H = $(LIBFFI_DIR)/include/ffi.h
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SUBMAKE_PRE = #{submake_pre}
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SUBMAKE_ARG = #{submake_arg}
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LIBFFI_CLEAN = libffi
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MK
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end
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if libffi
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$LIBPATH.pop
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end
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# :startdoc:
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