From: Collin Funk <collin.funk1@gmail.com>
Date: Sun, 28 Sep 2025 22:26:55 +0000 (-0700)
Subject: manual: Fix missing declaration in select example.
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=ae77ce91c8c0e928e0722218d7f30c2ab073cdc4;p=thirdparty%2Fglibc.git

manual: Fix missing declaration in select example.

Without _GNU_SOURCE defined this file fails to compile with the
following error:

    $ gcc manual/examples/select.c
    manual/examples/select.c: In function ‘input_timeout’:
    manual/examples/select.c:44:10: error: implicit declaration of function ‘TEMP_FAILURE_RETRY’ [-Wimplicit-function-declaration]
       44 |   return TEMP_FAILURE_RETRY (select (FD_SETSIZE,
          |          ^~~~~~~~~~~~~~~~~~

Reviewed-by: Adhemerval Zanella  <adhemerval.zanella@linaro.org>
---

diff --git a/manual/examples/select.c b/manual/examples/select.c
index 341b65f11d..db138c3ecd 100644
--- a/manual/examples/select.c
+++ b/manual/examples/select.c
@@ -16,6 +16,7 @@
 */
 
 /*@group*/
+#define _GNU_SOURCE 1
 #include <errno.h>
 #include <stdio.h>
 #include <unistd.h>