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Message-Id: <20250123-nolibc-prototype-v1-2-e1afc5c1999a@weissschuh.net>
Date: Thu, 23 Jan 2025 21:10:43 +0100
From: Thomas Weißschuh <linux@...ssschuh.net>
To: Willy Tarreau <w@....eu>, Shuah Khan <shuah@...nel.org>
Cc: linux-kernel@...r.kernel.org, linux-kselftest@...r.kernel.org,
Thomas Weißschuh <linux@...ssschuh.net>
Subject: [PATCH 2/3] selftests/nolibc: ignore -Wmissing-prototypes
To make sure nolibc itself is compatible with -Wmissing-prototypes the
compiler flag should be enabled when building nolibc-test.
However some of its functions are non-static to ease debugging [0],
triggering the compiler warning.
Disable the warning inside nolibc-test while still enabling it for
nolibc itself.
[0] https://lore.kernel.org/lkml/ZMjM0UPRAqoC+goY@1wt.eu/
Signed-off-by: Thomas Weißschuh <linux@...ssschuh.net>
---
It's a bit iffy, but I only see three possibilities:
1) Make the functions static
2) Use #pragma
3) Add dummy prototypes
1) was NACK-ed before, so I used 2)
---
tools/testing/selftests/nolibc/nolibc-test.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/tools/testing/selftests/nolibc/nolibc-test.c b/tools/testing/selftests/nolibc/nolibc-test.c
index 0e0e3b48a8c3a6802c6989954b6f3a7c7258db43..f162793b162f9b1ec687098b9094a6d247a53e99 100644
--- a/tools/testing/selftests/nolibc/nolibc-test.c
+++ b/tools/testing/selftests/nolibc/nolibc-test.c
@@ -43,6 +43,8 @@
#endif
#endif
+#pragma GCC diagnostic ignored "-Wmissing-prototypes"
+
#include "nolibc-test-linkage.h"
/* for the type of int_fast16_t and int_fast32_t, musl differs from glibc and nolibc */
--
2.48.1
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