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# func.m4 serial 2 |
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dnl Copyright (C) 2008-2023 Free Software Foundation, Inc. |
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dnl This file is free software; the Free Software Foundation |
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dnl gives unlimited permission to copy and/or distribute it, |
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dnl with or without modifications, as long as this notice is preserved. |
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# Written by Simon Josefsson |
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AC_DEFUN([gl_FUNC], |
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[ |
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AC_CACHE_CHECK([whether __func__ is available], [gl_cv_var_func], |
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AC_COMPILE_IFELSE( |
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[AC_LANG_PROGRAM([[]], [[const char *str = __func__;]])], |
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[gl_cv_var_func=yes], |
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[gl_cv_var_func=no])) |
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if test "$gl_cv_var_func" != yes; then |
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AC_DEFINE([__func__], ["<unknown function>"], |
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[Define as a replacement for the ISO C99 __func__ variable.]) |
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fi |
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]) |
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