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new 00e78f589 [gutil] fix compilation warning on macOS
00e78f589 is described below
commit 00e78f58978c6d4f00871eb8bd91c29327799c76
Author: Alexey Serbin <[email protected]>
AuthorDate: Thu Nov 3 19:19:37 2022 -0700
[gutil] fix compilation warning on macOS
This patch fixes compilation warning on contemporary versions of Xcode
(starting at least with Xcode 12.4):
In file included from src/kudu/util/status.h:30:
In file included from src/kudu/gutil/macros.h:14:
src/kudu/gutil/port.h:237:9: warning: 'MSG_NOSIGNAL' macro redefined
[-Wmacro-redefined]
#define MSG_NOSIGNAL 0
^
<SDK>/usr/include/sys/socket.h:588:9: note: previous definition is here
Change-Id: Ie0ec3876ccb8dcc6f67725cfb4a7380b092e0384
Reviewed-on: http://gerrit.cloudera.org:8080/19200
Tested-by: Kudu Jenkins
Reviewed-by: Yifan Zhang <[email protected]>
---
src/kudu/gutil/port.h | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/src/kudu/gutil/port.h b/src/kudu/gutil/port.h
index f5155b2d5..a1ebd8557 100644
--- a/src/kudu/gutil/port.h
+++ b/src/kudu/gutil/port.h
@@ -233,8 +233,11 @@ inline size_t strnlen(const char *s, size_t maxlen) {
return maxlen;
}
-// Doesn't exist on OSX; used in google.cc for send() to mean "no flags".
+// MSG_NOSIGNAL doesn't exist on earlier versions of Darwin/OSX;
+// it's used in google.cc for send() to mean "no flags".
+#if !defined(MSG_NOSIGNAL)
#define MSG_NOSIGNAL 0
+#endif
// No SIGPWR on MacOSX. SIGINFO seems suitably obscure.
#undef GOOGLE_OBSCURE_SIGNAL
