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view acinclude/ac_check_define.m4 @ 3541:0c429a5fda8a

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Added an automated test for rectangle routines, currently only testing line clipping. Use the Cohen-Sutherland algorithm for line clipping which uses integer math and preserves ordering of clipped points. Removed getopt() support in testsdl.c, replaced with simple argv scanning.
author Sam Lantinga <slouken@libsdl.org>
date Fri, 11 Dec 2009 09:22:34 +0000
parents 725b16784e96
children
line wrap: on
line source

define(AC_CHECK_DEFINE,[dnl
  AC_CACHE_CHECK(for $1 in $2, ac_cv_define_$1,
    AC_EGREP_CPP([YES_IS_DEFINED], [
#include <$2>
#ifdef $1
YES_IS_DEFINED
#endif
    ], ac_cv_define_$1=yes, ac_cv_define_$1=no)
  )
  if test "$ac_cv_define_$1" = "yes" ; then
    AC_DEFINE([HAVE_$1],[],[Added by AC_CHECK_DEFINE])
  fi
])dnl
AC_DEFINE([HAVE_$1],[],[Added by AC_CHECK_DEFINE])