1#serial 15 2 3# Copyright (C) 1996-1998, 2001-2004, 2009-2022 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 9AC_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. 23AC_DEFUN([gl_PREREQ_ERROR], 24[ 25 dnl Use system extensions on Android, so that AC_FUNC_STRERROR_R 26 dnl discovers the GNU API for strerror_r on Android API level 23 and later. 27 AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS]) 28 29 AC_REQUIRE([AC_FUNC_STRERROR_R]) 30 : 31]) 32