Mercurial > sdl-ios-xcode

view acinclude/ac_check_define.m4 @ 5017:a9a3b9852a4a

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
SDL_atomic.h is safe to include in the main header now.
author Sam Lantinga <slouken@libsdl.org>
date Mon, 17 Jan 2011 14:08:00 -0800
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])