require 'mkmf'

abort 'missing liblxc' unless find_library('lxc', 'lxc_container_new')
abort 'missing lxc/lxccontainer.h' unless have_header('lxc/lxccontainer.h')

def add_define(name)
  $defs.push("-D#{name}")
end

add_define "HAVE_RB_THREAD_CALL_WITHOUT_GVL" if have_func('rb_thread_call_without_gvl')
add_define "HAVE_RB_THREAD_BLOCKING_REGION" if have_func('rb_thread_blocking_region')

$CFLAGS += " -Wall #{ENV['CFLAGS']}"
create_makefile('lxc/lxc')