# vim:ts=4
#
# Copyright (c) 2002-2004 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
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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.

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

	MkIfNE($pfx, '');
		MkDefine('MATH_C99_CFLAGS', "-I$pfx");
		MkDefine('MATH_C99_LIBS', "-L$pfx -lm");
	MkElse;
		MkDefine('MATH_C99_CFLAGS', '');
		MkDefine('MATH_C99_LIBS', '-lm');
	MkEndif;
		
	MkCaseIn('${host}');
	MkCaseBegin('*-pc-mingw32*');
		MkPrint('skipping (libmingwex linker errors)');
		MkDefine('HAVE_MATH_C99', 'no');
		MkSaveUndef('HAVE_MATH_C99');
		MkCaseEnd;
	MkCaseBegin('*');
		MkCompileC('HAVE_MATH_C99', '${CFLAGS} ${MATH_C99_CFLAGS}', '${MATH_C99_LIBS}', << 'EOF');
#include <math.h>

int
main(int argc, char *argv[])
{
	float f = 1.0;
	double d = 1.0;

	d = fabs(d);
	f = sqrtf(fabsf(f));
	return (f > d) ? 0 : 1;
}
EOF
		MkCaseEnd;
	MkEsac;

	MkSaveIfTrue('${HAVE_MATH_C99}', 'MATH_C99_CFLAGS', 'MATH_C99_LIBS');
	return (0);
}

sub Emul
{
	my ($os, $osrel, $machine) = @_;

	MkEmulUnavail('MATH_C99');
	return (1);
}

BEGIN
{
	$DESCR{'math_c99'} = 'the C math library (C99)';
	$TESTS{'math_c99'} = \&Test;
	$EMUL{'math_c99'} = \&Emul;
	$DEPS{'math_c99'} = 'cc';
}

;1