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X-Received-From: 2607:f8b0:400d:c0d::241 Subject: [Qemu-devel] [RFC PATCH for 2.10 33/35] configure: clang does not support -Wexpansion-to-defined X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , qemu-devel@nongnu.org Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" Signed-off-by: Philippe Mathieu-Daudé --- configure | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/configure b/configure index 6b52e19ee3..48295aa1e6 100755 --- a/configure +++ b/configure @@ -1582,8 +1582,12 @@ gcc_flags="-Wold-style-declaration -Wold-style-definition -Wtype-limits" gcc_flags="-Wformat-security -Wformat-y2k -Winit-self -Wignored-qualifiers $gcc_flags" gcc_flags="-Wno-missing-include-dirs -Wempty-body -Wnested-externs $gcc_flags" gcc_flags="-Wendif-labels -Wno-shift-negative-value $gcc_flags" -gcc_flags="-Wno-initializer-overrides -Wexpansion-to-defined $gcc_flags" +gcc_flags="-Wno-initializer-overrides $gcc_flags" gcc_flags="-Wno-string-plus-int $gcc_flags" +# clang does not support -Wexpansion-to-defined +if ! echo | $cc -dM -E - | grep __clang__ > /dev/null 2>&1 ; then + gcc_flags="-Wexpansion-to-defined $gcc_flags" +fi # Note that we do not add -Werror to gcc_flags here, because that would # enable it for all configure tests. If a configure test failed due # to -Werror this would just silently disable some features,