| # func.m4 | |
| # serial 2 | |
| dnl Copyright (C) 2008-2026 Free Software Foundation, Inc. | |
| dnl This file is free software; the Free Software Foundation | |
| dnl gives unlimited permission to copy and/or distribute it, | |
| dnl with or without modifications, as long as this notice is preserved. | |
| dnl This file is offered as-is, without any warranty. | |
| # Written by Simon Josefsson | |
| AC_DEFUN([gl_FUNC], | |
| [ | |
| AC_CACHE_CHECK([whether __func__ is available], [gl_cv_var_func], | |
| AC_COMPILE_IFELSE( | |
| [AC_LANG_PROGRAM([[]], [[const char *str = __func__;]])], | |
| [gl_cv_var_func=yes], | |
| [gl_cv_var_func=no])) | |
| if test "$gl_cv_var_func" != yes; then | |
| AC_DEFINE([__func__], ["<unknown function>"], | |
| [Define as a replacement for the ISO C99 __func__ variable.]) | |
| fi | |
| ]) |