diff options
| -rw-r--r-- | configure.in | 27 |
1 files changed, 25 insertions, 2 deletions
diff --git a/configure.in b/configure.in index 805a83a..be28221 100644 --- a/configure.in +++ b/configure.in @@ -163,8 +163,31 @@ AC_HEADER_STDC AC_CHECK_HEADERS(errno.h arpa/inet.h netinet/tcp.h netinet/in.h stddef.h \ stdlib.h string.h sys/socket.h sys/time.h unistd.h limits.h) -# Check if we have eventfd.h header file. -AC_CHECK_HEADERS(sys/eventfd.h, [AC_DEFINE(ZMQ_HAVE_EVENTFD, 1, [Have eventfd extension.])]) +# Force not to use eventfd +AC_ARG_ENABLE([eventfd], [AS_HELP_STRING([--disable-eventfd], [disable eventfd [default=no]])], + [disable_eventfd=yes], [disable_eventfd=no]) + +eventfd_headers="no" +eventfd_can_run="no" + +if test "x$disable_eventfd" != "xyes"; then + # Check if we have eventfd.h header file. + AC_CHECK_HEADERS(sys/eventfd.h, [eventfd_headers=yes]) + + AC_MSG_CHECKING([for sys/eventfd.h functionality]) + + AC_RUN_IFELSE( + [AC_LANG_PROGRAM([[#include <sys/eventfd.h> + #include <assert.h>]], + [[int fd = eventfd (0, 0); assert (fd != -1);]])], + [eventfd_can_run=yes], [], eventfd_can_run=no) + + AC_MSG_RESULT([$eventfd_can_run]) + + if test "x$eventfd_headers" = "xyes" -a "x$eventfd_can_run" = "xyes"; then + AC_DEFINE(ZMQ_HAVE_EVENTFD, 1,[Have eventfd extension.]) + fi +fi # Check if we have ifaddrs.h header file. AC_CHECK_HEADERS(ifaddrs.h, [AC_DEFINE(ZMQ_HAVE_IFADDRS, 1, [Have ifaddrs.h header.])]) |