view acinclude/ac_check_define.m4 @ 3377:c8d350c981ff

gcc can't generate dependencies for a file that doesn't exist, so first create SDL_revision.h
author Sam Lantinga <slouken@libsdl.org>
date Sun, 11 Oct 2009 06:42:20 +0000 (2009-10-11)
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])