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ZMQII-19: add --disable-eventfd configure option

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malosek 2009-10-19 15:19:22 +02:00
parent 50c7d12be6
commit 71e455bfe5
1 changed files with 25 additions and 2 deletions
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27
configure.in
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@ -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.])])