diff options
Diffstat (limited to 'configure.ac')
| -rw-r--r-- | configure.ac | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac index d8a567fa6..3bfb82eea 100644 --- a/configure.ac +++ b/configure.ac @@ -1125,6 +1125,15 @@ if test "${ac_cv_have_variable_fdset}x" = "0x"; then AC_DEFINE([CONFIGURE_RAN_AS_ROOT], 1, [Some configure tests will unexpectedly fail if configure is run by a non-root user. These may be able to be tested at runtime.])) fi +AC_MSG_CHECKING([if we have usable eventfd support]) +AC_RUN_IFELSE( + [AC_LANG_PROGRAM([#include <sys/eventfd.h>], + [return eventfd(0, EFD_NONBLOCK | EFD_SEMAPHORE) == -1;])], + AC_MSG_RESULT(yes) + AC_DEFINE([HAVE_EVENTFD], 1, [Define to 1 if your system supports eventfd and the EFD_NONBLOCK and EFD_SEMAPHORE flags.]), + AC_MSG_RESULT(no) +) + AST_GCC_ATTRIBUTE(pure) AST_GCC_ATTRIBUTE(malloc) AST_GCC_ATTRIBUTE(const) |