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f4c79b3c | 1 | # func.m4 serial 2 |
f0007cad | 2 | dnl Copyright (C) 2008-2012 Free Software Foundation, Inc. |
f4c79b3c LC |
3 | dnl This file is free software; the Free Software Foundation |
4 | dnl gives unlimited permission to copy and/or distribute it, | |
5 | dnl with or without modifications, as long as this notice is preserved. | |
6 | ||
7 | # Written by Simon Josefsson | |
8 | ||
9 | AC_DEFUN([gl_FUNC], | |
10 | [ | |
11 | AC_CACHE_CHECK([whether __func__ is available], [gl_cv_var_func], | |
12 | AC_COMPILE_IFELSE( | |
13 | [AC_LANG_PROGRAM([[]], [[const char *str = __func__;]])], | |
14 | [gl_cv_var_func=yes], | |
15 | [gl_cv_var_func=no])) | |
16 | if test "$gl_cv_var_func" != yes; then | |
17 | AC_DEFINE([__func__], ["<unknown function>"], | |
18 | [Define as a replacement for the ISO C99 __func__ variable.]) | |
19 | fi | |
20 | ]) |