crypto/dist/heimdal/cf/c-function.m4

   1 dnl
   2 dnl $Heimdal: c-function.m4 15422 2005-06-16 18:59:29Z lha $
   3 dnl $NetBSD$
   4 dnl
   5
   6 dnl
   7 dnl Test for __FUNCTION__
   8 dnl
   9
  10 AC_DEFUN([AC_C___FUNCTION__], [
  11 AC_MSG_CHECKING(for __FUNCTION__)
  12 AC_CACHE_VAL(ac_cv___function__, [
  13 AC_RUN_IFELSE([AC_LANG_SOURCE([[
  14 #include <string.h>
  15
  16 static char *foo(void)
  17 {
  18   return __FUNCTION__;
  19 }
  20
  21 int main(int argc, char **argc)
  22 {
  23   return strcmp(foo(), "foo") != 0;
  24 }
  25 ]])],
  26 [ac_cv___function__=yes],
  27 [ac_cv___function__=no],
  28 [ac_cv___function__=no])])
  29 if test "$ac_cv___function__" = "yes"; then
  30   AC_DEFINE(HAVE___FUNCTION__, 1, [define if your compiler has __FUNCTION__])
  31 fi
  32 AC_MSG_RESULT($ac_cv___function__)
  33 ])
  34