xref: /minix3/crypto/external/bsd/heimdal/dist/cf/c-function.m4 (revision ebfedea0ce5bbe81e252ddf32d732e40fb633fae)
1*ebfedea0SLionel Sambucdnl
2*ebfedea0SLionel Sambucdnl Id
3*ebfedea0SLionel Sambucdnl
4*ebfedea0SLionel Sambuc
5*ebfedea0SLionel Sambucdnl
6*ebfedea0SLionel Sambucdnl Test for __FUNCTION__
7*ebfedea0SLionel Sambucdnl
8*ebfedea0SLionel Sambuc
9*ebfedea0SLionel SambucAC_DEFUN([AC_C___FUNCTION__], [
10*ebfedea0SLionel SambucAC_MSG_CHECKING(for __FUNCTION__)
11*ebfedea0SLionel SambucAC_CACHE_VAL(ac_cv___function__, [
12*ebfedea0SLionel SambucAC_RUN_IFELSE([AC_LANG_SOURCE([[
13*ebfedea0SLionel Sambuc#include <string.h>
14*ebfedea0SLionel Sambuc
15*ebfedea0SLionel Sambucstatic char *foo(void)
16*ebfedea0SLionel Sambuc{
17*ebfedea0SLionel Sambuc  return __FUNCTION__;
18*ebfedea0SLionel Sambuc}
19*ebfedea0SLionel Sambuc
20*ebfedea0SLionel Sambucint main(int argc, char **argc)
21*ebfedea0SLionel Sambuc{
22*ebfedea0SLionel Sambuc  return strcmp(foo(), "foo") != 0;
23*ebfedea0SLionel Sambuc}
24*ebfedea0SLionel Sambuc]])],
25*ebfedea0SLionel Sambuc[ac_cv___function__=yes],
26*ebfedea0SLionel Sambuc[ac_cv___function__=no],
27*ebfedea0SLionel Sambuc[ac_cv___function__=no])])
28*ebfedea0SLionel Sambucif test "$ac_cv___function__" = "yes"; then
29*ebfedea0SLionel Sambuc  AC_DEFINE(HAVE___FUNCTION__, 1, [define if your compiler has __FUNCTION__])
30*ebfedea0SLionel Sambucfi
31*ebfedea0SLionel SambucAC_MSG_RESULT($ac_cv___function__)
32*ebfedea0SLionel Sambuc])
33*ebfedea0SLionel Sambuc
34