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#!/usr/bin/env ruby
require 'mkmf'
require 'rbconfig'
dir_config("ffi_c")
unless Config::CONFIG['host_os'] =~ /mswin32|mingw32/
if pkg_config("libffi") || find_header("ffi.h", "/usr/local/include")
# We need at least ffi_call and ffi_prep_closure
libffi_ok = have_library("ffi", "ffi_call", [ "ffi.h" ]) && have_func("ffi_prep_closure")
# Check if the raw api is available.
$defs << "-DHAVE_RAW_API" if have_func("ffi_raw_call") && have_func("ffi_prep_raw_closure")
end
end
have_func('rb_thread_blocking_region')
$defs << "-DHAVE_EXTCONF_H" if $defs.empty? # needed so create_header works
$defs << "-DUSE_INTERNAL_LIBFFI" unless libffi_ok
create_header
$CFLAGS << " -mwin32 " if Config::CONFIG['host_os'] =~ /cygwin/
#$CFLAGS << " -Werror -Wunused -Wformat -Wimplicit -Wreturn-type "
create_makefile("ffi_c")
unless libffi_ok
File.open("Makefile", "a") do |mf|
mf.puts "LIBFFI_HOST=--host=#{Config::CONFIG['host_alias']}" if Config::CONFIG.has_key?("host_alias")
if Config::CONFIG['host_os'].downcase =~ /darwin/
mf.puts "include ${srcdir}/libffi.darwin.mk"
elsif Config::CONFIG['host_os'].downcase =~ /bsd/
mf.puts '.include "${srcdir}/libffi.bsd.mk"'
else
mf.puts "include ${srcdir}/libffi.mk"
end
end
end
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