then
AC_DEFINE(_POSIX_PTHREAD_SEMANTICS, 1, [Define to enforce POSIX thread semantics under Solaris.])
fi
+if test "x$ac_system" = "xAIX"
+then
+ AC_DEFINE(_THREAD_SAFE_ERRNO, 1, [Define to use the thread-safe version of errno under AIX.])
+fi
# Where to install .pc files.
pkgconfigdir="${libdir}/pkgconfig"
AC_CHECK_FUNCS(socket, [], AC_CHECK_LIB(socket, socket, [socket_needs_socket="yes"], AC_MSG_ERROR(cannot find socket)))
AM_CONDITIONAL(BUILD_WITH_LIBSOCKET, test "x$socket_needs_socket" = "xyes")
+clock_gettime_needs_rt="no"
+clock_gettime_needs_posix4="no"
+AC_CHECK_FUNCS(clock_gettime,
+ [],
+ AC_CHECK_LIB(rt, clock_gettime,
+ [clock_gettime_needs_rt="yes"],
+ AC_CHECK_LIB(posix4, clock_gettime,
+ [clock_gettime_needs_posix4="yes"],
+ AC_MSG_ERROR(cannot find clock_gettime))))
+
nanosleep_needs_rt="no"
nanosleep_needs_posix4="no"
AC_CHECK_FUNCS(nanosleep,
AC_CHECK_LIB(posix4, nanosleep,
[nanosleep_needs_posix4="yes"],
AC_MSG_ERROR(cannot find nanosleep))))
-AM_CONDITIONAL(BUILD_WITH_LIBRT, test "x$nanosleep_needs_rt" = "xyes")
-AM_CONDITIONAL(BUILD_WITH_LIBPOSIX4, test "x$nanosleep_needs_posix4" = "xyes")
+
+AM_CONDITIONAL(BUILD_WITH_LIBRT, test "x$clock_gettime_needs_rt" = "xyes" || test "x$nanosleep_needs_rt" = "xyes")
+AM_CONDITIONAL(BUILD_WITH_LIBPOSIX4, test "x$clock_gettime_needs_posix4" = "xyes" || test "x$nanosleep_needs_posix4" = "xyes")
AC_CHECK_FUNCS(sysctl, [have_sysctl="yes"], [have_sysctl="no"])
AC_CHECK_FUNCS(sysctlbyname, [have_sysctlbyname="yes"], [have_sysctlbyname="no"])