#//////////////////////////////////////////////////////////////////////
#
# extconf.rb
# Copyright (c) 2007-2015 Daniel Adler <dadler@uni-goettingen.de>, 
#                         Tassilo Philipp <tphilipp@potion-studios.com>
#
# Permission to use, copy, modify, and distribute this software for any
# purpose with or without fee is hereby granted, provided that the above
# copyright notice and this permission notice appear in all copies.
#
# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
#
# Configuration file for dyncall/ruby extension. This script creates
# a makefile that can be used to compile the C-extension. It is
# configured such that every .c file in this directory will be used
# for compilation.
#
#///////////////////////////////////////////////////////////////////////

require 'mkmf'

dir_config 'rbdc'
base_dir = '../../../dyncall/'

$CFLAGS << ' -I../../../dyncall/dyncall '

# Build dyncall libs.
puts 'Building dyncall libraries:'
Dir.chdir(base_dir) do
	cmd = case
		when RUBY_PLATFORM =~ /mswin/  then 'configure.bat && nmake /f Nmakefile'
		else './configure && env CFLAGS="-fPIC" make'
	end
	puts cmd
	raise "'#{cmd}' failed" unless system(cmd)
end

# Search for dyncall libs.
puts 'Using the following dyncall libraries to build native ruby extension:'
Dir[base_dir+'**/*'].each { |d|
	if d =~ /(lib)?dyn(call(back)?|load)_s\./
		$LOCAL_LIBS << '"'+d+'" '
		puts d
	end
}

if($LOCAL_LIBS.size > 0) then
	# Write out a makefile for our dyncall extension.
	create_makefile 'rbdc'
else
	puts "Couldn't find dyncall and dynload libraries - dyncall build seems to have failed!"
end