| # func.m4 serial 2 |
| dnl Copyright (C) 2008-2023 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. |
|
|
| # 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 |
| ]) |
| |