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configure: test all warnings

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Some warnings are hardcoded in QEMU_CFLAGS and not tested.  There is
no particular reason to single out these five, as many more -W flags are
present on all the supported compilers.  For homogeneity when moving
the detection to meson, make them use the same warn_flags infrastructure.

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Paolo Bonzini 2022-10-12 14:21:22 +02:00
parent 7bef93ff06
commit ca9b5c2ebf
1 changed files with 5 additions and 2 deletions
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7
configure vendored
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@ -380,8 +380,6 @@ sdl2_config="${SDL2_CONFIG-${cross_prefix}sdl2-config}"
# 2s-complement style results. (Both clang and gcc agree that it
# provides these semantics.)
QEMU_CFLAGS="-fno-strict-aliasing -fno-common -fwrapv"
QEMU_CFLAGS="-Wundef -Wwrite-strings -Wmissing-prototypes $QEMU_CFLAGS"
QEMU_CFLAGS="-Wstrict-prototypes -Wredundant-decls $QEMU_CFLAGS"
QEMU_CFLAGS="-D_GNU_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE $QEMU_CFLAGS"
QEMU_LDFLAGS=
@ -1168,6 +1166,11 @@ fi
# just silently disable some features, so it's too error prone.
warn_flags=
add_to warn_flags -Wundef
add_to warn_flags -Wwrite-strings
add_to warn_flags -Wmissing-prototypes
add_to warn_flags -Wstrict-prototypes
add_to warn_flags -Wredundant-decls
add_to warn_flags -Wold-style-declaration
add_to warn_flags -Wold-style-definition
add_to warn_flags -Wtype-limits