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require 'mkmf'
# :stopdoc:
if ! enable_config('bundled-libffi', false)
dir_config 'libffi'
pkg_config("libffi")
ver = pkg_config("libffi", "modversion")
if have_header('ffi.h')
true
elsif have_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)}
if ver
libffi = Struct.new(:dir, :srcdir, :builddir, :include, :lib, :a, :cflags).new
libffi.dir = ver
if $srcdir == "."
libffi.builddir = "#{ver}/#{RUBY_PLATFORM}"
libffi.srcdir = "."
else
libffi.builddir = libffi.dir
libffi.srcdir = relative_from("#{$srcdir}/#{ver}", "..")
end
libffi.include = "#{libffi.builddir}/include"
libffi.lib = "#{libffi.builddir}/.libs"
libffi.a = "#{libffi.lib}/libffi.#{$LIBEXT}"
libffi.cflags = RbConfig.expand("$(CFLAGS)", CONFIG.merge("warnflags"=>""))
$LIBPATH.unshift libffi.lib
$INCFLAGS << " -I" << libffi.include
ver = ver[/libffi-(.*)/, 1]
end
end
if ver
ver = ver.gsub(/-rc\d+/, '') # If ver contains rc version, just ignored.
ver = (ver.split('.') + [0,0])[0,3]
$defs.push(%{-DRUBY_LIBFFI_MODVERSION=#{ '%d%03d%03d' % ver }})
else
raise "missing libffi. Please install libffi."
end
have_header 'sys/mman.h'
if have_header "dlfcn.h"
have_library "dl"
%w{ dlopen dlclose dlsym }.each do |func|
abort "missing function #{func}" unless have_func(func)
end
have_func "dlerror"
elsif have_header "windows.h"
%w{ LoadLibrary FreeLibrary GetProcAddress }.each do |func|
abort "missing function #{func}" unless have_func(func)
end
end
have_const('FFI_STDCALL', 'ffi.h') || have_const('FFI_STDCALL', 'ffi/ffi.h')
config = File.read(RbConfig.expand(File.join($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
create_makefile 'fiddle' do |conf|
next conf unless libffi
if $gnumake
submake = "$(MAKE) -C $(LIBFFI_DIR)\n"
else
submake = "cd $(LIBFFI_DIR) && \\\n\t\t" << "#{config_string("exec")} $(MAKE)".strip
end
sep = "/"
seprpl = config_string('BUILD_FILE_SEPARATOR') {|s| sep = s; ":/=#{s}" if s != "/"} || ""
conf << <<-MK.gsub(/^ +/, '')
PWD =
LIBFFI_CONFIGURE = $(LIBFFI_SRCDIR#{seprpl})#{sep}configure#{/'-C'/ =~ CONFIG['configure_args'] ? ' -C' : ''}
LIBFFI_ARCH = #{RbConfig::CONFIG['arch'].sub(/\Ax64-(?=mingw|mswin)/, 'x86_64-')}
LIBFFI_SRCDIR = #{libffi.srcdir}
LIBFFI_DIR = #{libffi.dir}
LIBFFI_A = #{libffi.a}
LIBFFI_CFLAGS = #{libffi.cflags}
FFI_H = $(LIBFFI_DIR)/include/ffi.h
SUBMAKE_LIBFFI = #{submake}
MK
end
if libffi
args = [$make, *sysquote($mflags)]
Logging::open do
Logging.message("%p\n", args)
system(*args) or
raise "failed to configure libffi. Please install libffi."
end
end
# :startdoc:
|
