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fuzz: build without AddressSanitizer, by default 

We already have a nice --enable-sanitizers option to enable
AddressSanitizer. There is no reason to duplicate and force this
functionality in --enable-fuzzing. In the future, if more sanitizers are
added to --enable-sanitizers, it might be impossible to build with both
--enable-sanitizers and --enable-fuzzing, since not all sanitizers are
compatible with libFuzzer. In that case, we could enable ASAN with
--extra-cflags="-fsanitize=address"

Signed-off-by: Alexander Bulekov <alxndr@bu.edu>
Message-Id: <20200706195534.14962-2-alxndr@bu.edu>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
[thuth: Added missing $CFLAGS]
Signed-off-by: Thomas Huth <thuth@redhat.com>
This commit is contained in:
Alexander Bulekov 2020-07-06 15:55:31 -04:00 committed by Thomas Huth
parent 48eac10197
commit dd0162653c
1 changed files with 5 additions and 5 deletions
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10
configure vendored
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@ -6337,7 +6337,7 @@ fi
# checks for fuzzer
if test "$fuzzing" = "yes" ; then
write_c_fuzzer_skeleton
if compile_prog "$CPU_CFLAGS -Werror -fsanitize=address,fuzzer" ""; then
if compile_prog "$CPU_CFLAGS -Werror -fsanitize=fuzzer" ""; then
have_fuzzer=yes
fi
fi
@ -7893,11 +7893,11 @@ if test "$have_mlockall" = "yes" ; then
fi
if test "$fuzzing" = "yes" ; then
if test "$have_fuzzer" = "yes"; then
FUZZ_LDFLAGS=" -fsanitize=address,fuzzer"
FUZZ_CFLAGS=" -fsanitize=address,fuzzer"
CFLAGS="$CFLAGS -fsanitize=address,fuzzer-no-link"
FUZZ_LDFLAGS=" -fsanitize=fuzzer"
FUZZ_CFLAGS=" -fsanitize=fuzzer"
CFLAGS="$CFLAGS -fsanitize=fuzzer-no-link"
else
error_exit "Your compiler doesn't support -fsanitize=address,fuzzer"
error_exit "Your compiler doesn't support -fsanitize=fuzzer"
exit 1
fi
fi