coreutils/m4/gnu-source.m4

# 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])
])
from diffutils-2.8.2. 2002-06-22 08:32:40 +00:00			`# AC_GNU_SOURCE`
			`# --------------`
			`AC_DEFUN([AC_GNU_SOURCE],`
			`[AH_VERBATIM([_GNU_SOURCE],`
			`[/* Enable GNU extensions on systems that have them. */`
(AC__GNU_SOURCE): New file/macro. 2000-07-09 17:24:41 +00:00			`#ifndef _GNU_SOURCE`
from diffutils-2.8.2. 2002-06-22 08:32:40 +00:00			`# undef _GNU_SOURCE`
			`#endif])dnl`
			`AC_BEFORE([$0], [AC_COMPILE_IFELSE])dnl`
			`AC_BEFORE([$0], [AC_RUN_IFELSE])dnl`
			`AC_DEFINE([_GNU_SOURCE])`
(AC__GNU_SOURCE): New file/macro. 2000-07-09 17:24:41 +00:00			`])`