view m4/gnu-source.m4 @ 4000:592de7dbfd00

Comment tweaks.
author Bruno Haible <bruno@clisp.org>
date Thu, 21 Nov 2002 19:16:29 +0000
parents e0dc20c56272
children
line wrap: on
line source

# AC_GNU_SOURCE
# --------------
AC_DEFUN([AC_GNU_SOURCE],
[AH_VERBATIM([_GNU_SOURCE],
[/* Enable GNU extensions on systems that have them.  */
#ifndef _GNU_SOURCE
# undef _GNU_SOURCE
#endif])dnl
AC_BEFORE([$0], [AC_COMPILE_IFELSE])dnl
AC_BEFORE([$0], [AC_RUN_IFELSE])dnl
AC_DEFINE([_GNU_SOURCE])
])