Sha256: 497879b0ea2f4f29d09b075a5e144d67bcde29087f4dceea56117ee3380e3d03
Contents?: true
Size: 1.26 KB
Versions: 18
Compression:
Stored size: 1.26 KB
Contents
require 'fileutils'
$:.push File.join(File.dirname(__FILE__), '../../lib')
require 'extension_helper'
EXTENSION_NAME = 'concurrent_ruby_ext'
def create_dummy_makefile
File.open('Makefile', 'w') do |f|
f.puts 'all:'
f.puts 'install:'
end
end
if defined?(JRUBY_VERSION) || ! Concurrent.use_c_extensions?
create_dummy_makefile
warn 'C optimizations are not supported on this version of Ruby.'
else
begin
require 'mkmf'
dir_config(EXTENSION_NAME)
have_header "libkern/OSAtomic.h"
def compiler_is_gcc
if CONFIG["GCC"] && CONFIG["GCC"] != ""
return true
elsif ( # This could stand to be more generic... but I am afraid.
CONFIG["CC"] =~ /\bgcc\b/
)
return true
end
return false
end
if compiler_is_gcc
case CONFIG["arch"]
when /mswin32|mingw|solaris/
$CFLAGS += " -march=native"
when 'i686-linux'
$CFLAGS += " -march=i686"
end
end
try_run(<<CODE,$CFLAGS) && ($defs << '-DHAVE_GCC_CAS')
int main() {
int i = 1;
__sync_bool_compare_and_swap(&i, 1, 4);
return (i != 4);
}
CODE
create_makefile(EXTENSION_NAME)
rescue
create_dummy_makefile
warn 'C optimizations cannot be compiled on this version of Ruby.'
end
end
Version data entries
18 entries across 18 versions & 1 rubygems