diff options
Diffstat (limited to 'configure.in')
| -rw-r--r-- | configure.in | 18 |
1 files changed, 15 insertions, 3 deletions
diff --git a/configure.in b/configure.in index 1d7ee2f..9e7cc44 100644 --- a/configure.in +++ b/configure.in @@ -105,9 +105,21 @@ AC_CHECK_SIZEOF(double, 8) dnl ---------------------------------------------------------------------- -dnl AC_FUNC_MEMCMP -dnl AC_C_CONST -dnl AC_C_INLINE +dnl Check compiler characteristics +dnl + +AC_C_CONST +AC_C_INLINE + +AC_MSG_CHECKING(for __attribute__ extension) +AC_TRY_COMPILE(,[int __attribute__((unused)) f(void){return 1;}], + AC_DEFINE(HAVE_ATTRIBUTE) AC_MSG_RESULT(yes), + AC_MSG_RESULT(no)) + +AC_MSG_CHECKING(for __FUNCTION__ extension) +AC_TRY_COMPILE(,[int f(void){return __FUNCTION__;}], + AC_DEFINE(HAVE_FUNCTION) AC_MSG_RESULT(yes), + AC_MSG_RESULT(no)) |