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# Enable extensions on systems that normally disable them.
# Copyright (C) 2003 Free Software Foundation, Inc.
# This file is free software, distributed under the terms of the GNU
# General Public License. As a special exception to the GNU General
# Public License, this file may be distributed as part of a program
# that contains a configuration script generated by Autoconf, under
# the same distribution terms as the rest of that program.
# gl_USE_SYSTEM_EXTENSIONS
# ------------------------
# Enable extensions on systems that normally disable them,
# typically due to standards-conformance issues.
AC_DEFUN([gl_USE_SYSTEM_EXTENSIONS], [
AC_BEFORE([$0], [AC_COMPILE_IFELSE])
AC_BEFORE([$0], [AC_RUN_IFELSE])
AC_REQUIRE([AC_GNU_SOURCE])
AC_REQUIRE([AC_AIX])
AC_REQUIRE([AC_MINIX])
AH_VERBATIM([__EXTENSIONS__],
[/* Enable extensions on Solaris. */
#ifndef __EXTENSIONS__
# undef __EXTENSIONS__
#endif])
AC_DEFINE([__EXTENSIONS__])
])
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