Reapply r185601 with a fix for the cmake build.

[oota-llvm.git] / lib / Support / Unix / Path.inc

diff --git a/lib/Support/Unix/Path.inc b/lib/Support/Unix/Path.inc
index 1cbdbf5429bb65fd25f3ffc3664febfc802cebc3..e23e0bd6186e552886340e660aa349decff0cc3d 100644 (file)
--- a/lib/Support/Unix/Path.inc
+++ b/lib/Support/Unix/Path.inc
@@ -626,11 +626,21 @@ error_code permissions(const Twine &path, perms prms) {
 }
 
 error_code setLastModificationAndAccessTime(int FD, TimeValue Time) {
+#if defined(HAVE_FUTIMENS)
+  timespec Times[2];
+  Times[0].tv_sec = Time.toPosixTime();
+  Times[0].tv_nsec = 0;
+  Times[1] = Times[0];
+  if (::futimens(FD, Times))
+#elif defined(HAVE_FUTIMES)
   timeval Times[2];
   Times[0].tv_sec = Time.toPosixTime();
   Times[0].tv_usec = 0;
   Times[1] = Times[0];
   if (::futimes(FD, Times))
+#else
+#error Missing futimes() and futimens()
+#endif
     return error_code(errno, system_category());
   return error_code::success();
 }