diff options
Diffstat (limited to 'configure.in')
| -rw-r--r-- | configure.in | 30 |
1 files changed, 29 insertions, 1 deletions
diff --git a/configure.in b/configure.in index 1caf7d92..24e2431a 100644 --- a/configure.in +++ b/configure.in @@ -590,7 +590,35 @@ AC_DEFINE_UNQUOTED(DBUS_HAVE_ATOMIC_INT_COND, [$have_atomic_inc_cond], AC_CHECK_LIB(socket,socket) AC_CHECK_FUNC(gethostbyname,,[AC_CHECK_LIB(nsl,gethostbyname)]) -AC_CHECK_FUNCS(vsnprintf vasprintf nanosleep usleep poll setenv clearenv unsetenv socketpair getgrouplist fpathconf setrlimit) +AC_CHECK_FUNCS(vsnprintf vasprintf nanosleep usleep setenv clearenv unsetenv socketpair getgrouplist fpathconf setrlimit poll) + +#### Check for broken poll; taken from Glib's configure + +AC_MSG_CHECKING([for broken poll]) +AC_RUN_IFELSE([AC_LANG_SOURCE([[ + #include <stdlib.h> + #include <fcntl.h> + #include <poll.h> + #ifdef HAVE_SYS_POLL_H + #include <sys/poll.h> + #endif + int main(void) { + struct pollfd fds[1]; + int fd; + fd = open("/dev/null", 1); + fds[0].fd = fd; + fds[0].events = POLLIN; + fds[0].revents = 0; + if (poll(fds, 1, 0) < 0 || (fds[0].revents & POLLNVAL) != 0) { + exit(1); /* Does not work for devices -- fail */ + } + exit(0); + }]])], + [broken_poll=no], + [broken_poll=yes + AC_DEFINE(BROKEN_POLL,1,[poll doesn't work on devices])], + [broken_poll="no (cross compiling)"]) +AC_MSG_RESULT($broken_poll) AC_MSG_CHECKING(for dirfd) AC_TRY_LINK([ |