# vim:ts=4
#
# Copyright (c) 2005-2010 Hypertriton, Inc. <http://hypertriton.com/>
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
# 1. Redistributions of source code must retain the above copyright
#    notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
#    notice, this list of conditions and the following disclaimer in the
#    documentation and/or other materials provided with the distribution.
# 
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
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# CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
# OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
# USE OF THIS SOFTWARE EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

my $testCode = << 'EOF';
#include <Cg/cg.h>
#include <Cg/cgGL.h>

CGcontext context;
CGeffect effect;
CGtechnique technique;

int main(int argc, char *argv[]) {
	context = cgCreateContext();
	return (0);
}
EOF
my @autoIncludeDirs = (
	'/usr/include',
	'/usr/local/include',
	'/usr/Cg/include',
	'/usr/local/Cg/include',
	'/usr/X11R6/include',
	'/usr/X11R6/Cg/include',
);

sub Test
{
	my ($ver, $pfx) = @_;

	MkDefine('CG_CFLAGS', '');
	MkDefine('CG_LIBS', '');

	MkIfNE($pfx, '');
		MkDefine('CG_CFLAGS', "-I$pfx/include");
		MkDefine('CG_LIBS', "-L$pfx/lib -lCgGL -lCg -lstdc++");
	MkElse;
		foreach my $dir (@autoIncludeDirs) {
			MkIfExists("$dir/Cg");
				MkDefine('CG_CFLAGS', "\${CG_CFLAGS} -I$dir");
			MkEndif;
		}
		MkCaseIn('${host}');
		MkCaseBegin('*-*-darwin*');
			MkDefine('CG_LIBS', "-F/System/Library/Frameworks -framework Cg");
			MkCaseEnd();
		MkCaseBegin('x86_64-*-linux*');
			MkDefine('CG_LIBS', "-L/usr/X11R6/lib64 -L/usr/lib64 -lCgGL -lCg -lstdc++");
			MkCaseEnd();
		MkCaseBegin('*-*-linux*');
			MkDefine('CG_LIBS', "-L/usr/X11R6/lib -lCgGL -lCg -lstdc++");
			MkCaseEnd();
		MkCaseBegin('*');
			MkDefine('CG_LIBS', "-lCgGL -lCg -lstdc++");
			MkCaseEnd();
		MkEsac;
	MkEndif;

	MkCompileC('HAVE_CG',
	           '${CG_CFLAGS} ${OPENGL_CFLAGS} ${PTHREADS_CFLAGS}',
	           '${CG_LIBS} ${OPENGL_LIBS} ${PTHREADS_LIBS}',
	           $testCode);
	MkSaveIfTrue('${HAVE_CG}', 'CG_CFLAGS', 'CG_LIBS');
	return (0);
}

BEGIN
{
	$DESCR{'cg'} = 'Cg';
	$URL{'cg'} = 'http://developer.nvidia.com/object/cg_toolkit.html';

	$TESTS{'cg'} = \&Test;
	$DEPS{'cg'} = 'cc';
}

;1