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|
# frozen_string_literal: true
require 'mkmf'
# :stopdoc:
bundle = enable_config('bundled-libffi')
if ! bundle
dir_config 'libffi'
pkg_config("libffi") and
ver = pkg_config("libffi", "modversion")
if have_header(ffi_header = 'ffi.h')
true
elsif have_header(ffi_header = 'ffi/ffi.h')
$defs.push(format('-DUSE_HEADER_HACKS'))
true
end and (have_library('ffi') || have_library('libffi'))
end or
begin
# for https://github.com/ruby/fiddle
if bundle && File.exist?("../../bin/extlibs.rb")
require "fileutils"
require_relative "../../bin/extlibs"
extlibs = ExtLibs.new
cache_dir = File.expand_path("../../tmp/.download_cache", $srcdir)
ext_dir = File.expand_path("../../ext", $srcdir)
Dir.glob("#{$srcdir}/libffi-*/").each{|dir| FileUtils.rm_rf(dir)}
extlibs.run(["--cache=#{cache_dir}", ext_dir])
end
ver = bundle != false &&
Dir.glob("#{$srcdir}/libffi-*/")
.map {|n| File.basename(n)}
.max_by {|n| n.scan(/\d+/).map(&:to_i)}
unless ver
raise "missing libffi. Please install libffi."
end
srcdir = "#{$srcdir}/#{ver}"
ffi_header = 'ffi.h'
libffi = Struct.new(*%I[dir srcdir builddir include lib a cflags ldflags opt arch]).new
libffi.dir = ver
if $srcdir == "."
libffi.builddir = "#{ver}/#{RUBY_PLATFORM}"
libffi.srcdir = "."
else
libffi.builddir = libffi.dir
libffi.srcdir = relative_from(srcdir, "..")
end
libffi.include = "#{libffi.builddir}/include"
libffi.lib = "#{libffi.builddir}/.libs"
libffi.a = "#{libffi.lib}/libffi_convenience.#{$LIBEXT}"
nowarn = CONFIG.merge("warnflags"=>"")
libffi.cflags = RbConfig.expand("$(CFLAGS)".dup, nowarn)
ver = ver[/libffi-(.*)/, 1]
FileUtils.mkdir_p(libffi.dir)
libffi.opt = CONFIG['configure_args'][/'(-C)'/, 1]
libffi.ldflags = RbConfig.expand("$(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}
--enable-builddir=#{RUBY_PLATFORM}
]
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
Logfile.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("#{srcdir}/src/x86/ffitarget.h", libffi.include, preserve: true)
end
$INCFLAGS << " -I" << libffi.include
end
if ver
ver = ver.gsub(/-rc\d+/, '') # If ver contains rc version, just ignored.
ver = (ver.split('.') + [0,0])[0,3]
$defs.push(%{-DRUBY_LIBFFI_MODVERSION=#{ '%d%03d%03d' % ver }})
end
have_header 'sys/mman.h'
if have_header "dlfcn.h"
have_library "dl"
%w{ dlopen dlclose dlsym }.each do |func|
abort "missing function #{func}" unless have_func(func)
end
have_func "dlerror"
elsif have_header "windows.h"
%w{ LoadLibrary FreeLibrary GetProcAddress }.each do |func|
abort "missing function #{func}" unless have_func(func)
end
end
have_const('FFI_STDCALL', ffi_header)
config = File.read(RbConfig.expand(File.join($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 << format("-DTYPE_%s=TYPE_%s", signed||type, size)
end
if signed
check_signedness(type.downcase, "stddef.h")
end
end
end
if libffi
$LOCAL_LIBS.prepend("./#{libffi.a} ").strip! # to exts.mk
$INCFLAGS.gsub!(/-I#{libffi.dir}/, '-I$(LIBFFI_DIR)')
end
$INCFLAGS << " -I$(top_srcdir)"
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:
|
