From: Tony Ambardar Date: Tue, 23 Jul 2024 05:54:41 +0000 (-0700) Subject: selftests/bpf: Fix compiling tcp_rtt.c with musl-libc X-Git-Tag: v6.10.13~388 X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=6c6e36ca1ad217ac9a2ccce75b73dcf757abf0f9;p=thirdparty%2Fkernel%2Fstable.git selftests/bpf: Fix compiling tcp_rtt.c with musl-libc [ Upstream commit 18826fb0b79c3c3cd1fe765d85f9c6f1a902c722 ] The GNU version of 'struct tcp_info' in 'netinet/tcp.h' is not exposed by musl headers unless _GNU_SOURCE is defined. Add this definition to fix errors seen compiling for mips64el/musl-libc: tcp_rtt.c: In function 'wait_for_ack': tcp_rtt.c:24:25: error: storage size of 'info' isn't known 24 | struct tcp_info info; | ^~~~ tcp_rtt.c:24:25: error: unused variable 'info' [-Werror=unused-variable] cc1: all warnings being treated as errors Fixes: 1f4f80fed217 ("selftests/bpf: test_progs: convert test_tcp_rtt") Signed-off-by: Tony Ambardar Signed-off-by: Andrii Nakryiko Link: https://lore.kernel.org/bpf/f2329767b15df206f08a5776d35a47c37da855ae.1721713597.git.tony.ambardar@gmail.com Signed-off-by: Sasha Levin --- diff --git a/tools/testing/selftests/bpf/prog_tests/tcp_rtt.c b/tools/testing/selftests/bpf/prog_tests/tcp_rtt.c index f2b99d95d9160..c38784c1c066e 100644 --- a/tools/testing/selftests/bpf/prog_tests/tcp_rtt.c +++ b/tools/testing/selftests/bpf/prog_tests/tcp_rtt.c @@ -1,4 +1,5 @@ // SPDX-License-Identifier: GPL-2.0 +#define _GNU_SOURCE #include #include "cgroup_helpers.h" #include "network_helpers.h"