The src/threads/condition.h should also explicit include <time.h> because

in some OS (e.g. AIX) the struct timespec is define in <time.h> and the <sys/time.h>
is not include <time.h>

This commit was SVN r5181.

configure.ac

@@ -948,7 +948,7 @@ AC_CHECK_HEADERS([alloca.h aio.h arpa/inet.h dirent.h dlfcn.h execinfo.h \
     sys/types.h sys/ipc.h sys/mman.h sys/resource.h sys/select.h sys/socket.h \
     sys/ioctl.h err.h sys/statvfs.h sys/time.h sys/uio.h sys/utsname.h sys/wait.h \
     syslog.h termios.h ulimit.h unistd.h sys/param.h sys/tree.h sys/queue.h \
-    sys/sockio.h])
+    sys/sockio.h time.h])
 
 # SA_RESTART in signal.h
 AC_MSG_CHECKING([if SA_RESTART defined in signal.h])

src/threads/condition.h

@@ -20,6 +20,9 @@
 #ifdef HAVE_SYS_TIME_H
 #include <sys/time.h>
 #endif
+#ifdef HAVE_TIME_H
+#include <time.h>
+#endif
 #if OMPI_HAVE_POSIX_THREADS
 #include <pthread.h>
 #endif