require 'mkmf' # :stopdoc: if ! enable_config('bundled-libffi', false) 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') $defs.push(format('-DUSE_HEADER_HACKS')) true end and (have_library('ffi') || have_library('libffi')) end or begin ver = Dir.glob("#{$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("$(CFLAGS)", nowarn) ver = ver[/libffi-(.*)/, 1] FileUtils.mkdir_p(libffi.dir) libffi.opt = CONFIG['configure_args'][/'(-C)'/, 1] libffi.ldflags = RbConfig.expand("$(LDFLAGS) #{libpathflag([relative_from($topdir, "..")])} #{$LIBRUBYARG}") libffi.arch = RbConfig::CONFIG['host'] if $mswin $defs << "-DFFI_BUILDING" libffi_config = "#{relative_from($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)", nowarn)} LD=#{ld} LDFLAGS=#{libffi.ldflags} ] FileUtils.rm_f("#{libffi.include}/ffitarget.h") Logging::open do Logging.message("%p in %p\n", args, opts) system(*args, **opts) or raise "failed to configure libffi. Please install libffi." 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! end create_makefile 'fiddle' do |conf| if !libffi next conf << "LIBFFI_CLEAN = none\n" elsif $gnumake && !$nmake submake = "$(MAKE) -C $(LIBFFI_DIR)\n" else submake = "cd $(LIBFFI_DIR) && \\\n\t\t" << "#{config_string("exec")} $(MAKE)".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} LIBFFI_DIR = #{libffi.dir} LIBFFI_A = #{libffi.a} LIBFFI_CFLAGS = #{libffi.cflags} LIBFFI_LDFLAGS = #{libffi.ldflags} FFI_H = $(LIBFFI_DIR)/include/ffi.h SUBMAKE_LIBFFI = #{submake} LIBFFI_CLEAN = libffi MK end if libffi $LIBPATH.pop end # :startdoc: