1 #serial 14 2 3 # Copyright (C) 1996-1998, 2001-2004, 2009-2012 Free Software Foundation, Inc. 4 # 5 # This file is free software; the Free Software Foundation 6 # gives unlimited permission to copy and/or distribute it, 7 # with or without modifications, as long as this notice is preserved. 8 9 AC_DEFUN([gl_ERROR], 10 [ 11 dnl We don't use AC_FUNC_ERROR_AT_LINE any more, because it is no longer 12 dnl maintained in Autoconf and because it invokes AC_LIBOBJ. 13 AC_CACHE_CHECK([for error_at_line], [ac_cv_lib_error_at_line], 14 [AC_LINK_IFELSE( 15 [AC_LANG_PROGRAM( 16 [[#include <error.h>]], 17 [[error_at_line (0, 0, "", 0, "an error occurred");]])], 18 [ac_cv_lib_error_at_line=yes], 19 [ac_cv_lib_error_at_line=no])]) 20 ]) 21 22 # Prerequisites of lib/error.c. 23 AC_DEFUN([gl_PREREQ_ERROR], 24 [ 25 AC_REQUIRE([AC_FUNC_STRERROR_R]) 26 : 27 ]) 28
