ext/whirlpool/extconf.rb
ENV['RC_ARCHS'] = '' if RUBY_PLATFORM =~ /darwin/
require "mkmf"
RbConfig::MAKEFILE_CONFIG['CC'] = ENV['CC'] if ENV['CC']
dir_config("whirlpool")
if RbConfig::CONFIG["host_os"] =~ /mswin/
$CFLAGS << ' -W3'
end
#create_makefile "whirlpool"
create_makefile "whirlpool/whirlpool"