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#!/usr/bin/env ruby
if !defined?(RUBY_ENGINE) || RUBY_ENGINE == "ruby"
require 'mkmf'
require 'rbconfig'
dir_config("ffi_c")
if ENV['RUBY_CC_VERSION'].nil? && (pkg_config("libffi") ||
have_header("ffi.h") ||
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_library("libffi", "ffi_call", [ "ffi.h" ])
libffi_ok &&= 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
have_func('rb_thread_blocking_region')
have_func('ruby_thread_has_gvl_p') unless RUBY_VERSION >= "1.9.3"
have_func('ruby_native_thread_p')
have_func('rb_thread_call_with_gvl')
$defs << "-DHAVE_EXTCONF_H" if $defs.empty? # needed so create_header works
$defs << "-DUSE_INTERNAL_LIBFFI" unless libffi_ok
$defs << "-DRUBY_1_9" if RUBY_VERSION >= "1.9.0"
create_header
$CFLAGS << " -mwin32 " if RbConfig::CONFIG['host_os'] =~ /cygwin/
#$CFLAGS << " -Werror -Wunused -Wformat -Wimplicit -Wreturn-type "
if (ENV['CC'] || RbConfig::MAKEFILE_CONFIG['CC']) =~ /gcc/
$CFLAGS << " -Wno-declaration-after-statement "
end
create_makefile("ffi_c")
unless libffi_ok
File.open("Makefile", "a") do |mf|
mf.puts "LIBFFI_HOST=--host=#{RbConfig::CONFIG['host_alias']}" if RbConfig::CONFIG.has_key?("host_alias")
if RbConfig::CONFIG['host_os'].downcase =~ /darwin/
mf.puts "include ${srcdir}/libffi.darwin.mk"
elsif RbConfig::CONFIG['host_os'].downcase =~ /bsd/
mf.puts '.include "${srcdir}/libffi.bsd.mk"'
else
mf.puts "include ${srcdir}/libffi.mk"
end
end
end
else
File.open("Makefile", "w") do |mf|
mf.puts "# Dummy makefile for non-mri rubies"
mf.puts "all install::\n"
end
end
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