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view acinclude/ac_check_define.m4 @ 4850:14870d46ee2d

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Mostly seem to have fixed SDL_CalculateShapeTree. Mostly. There still seem to be some rendering artifacts, stepping effects, and such on Windows -- which indicates subtle logic errors in SDL_CalculateShapeTree(). Oh well, back into the salt mine.
author egottlieb
date Sat, 14 Aug 2010 20:29:51 -0400
parents 725b16784e96
children
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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])