More doxygen.
[heimdal.git] / cf / c-function.m4
blob74ffd9511618801a94dcf980888481a30742fc84
1 dnl
2 dnl $Id$
3 dnl
5 dnl
6 dnl Test for __FUNCTION__
7 dnl
9 AC_DEFUN([AC_C___FUNCTION__], [
10 AC_MSG_CHECKING(for __FUNCTION__)
11 AC_CACHE_VAL(ac_cv___function__, [
12 AC_RUN_IFELSE([AC_LANG_SOURCE([[
13 #include <string.h>
15 static char *foo(void)
17   return __FUNCTION__;
20 int main(int argc, char **argc)
22   return strcmp(foo(), "foo") != 0;
24 ]])],
25 [ac_cv___function__=yes],
26 [ac_cv___function__=no],
27 [ac_cv___function__=no])])
28 if test "$ac_cv___function__" = "yes"; then
29   AC_DEFINE(HAVE___FUNCTION__, 1, [define if your compiler has __FUNCTION__])
31 AC_MSG_RESULT($ac_cv___function__)