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Switch fuzzing build from C++ to C

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* Makefile.am (oss-fuzz): Build with $CC instead of $CXX.
* README.md: Remove CXX and CXXFLAGS exports.
This commit is contained in:
Tim Rühsen 2021-12-21 19:16:47 +01:00
parent f75fcf2985
commit c81042295e
2 changed files with 2 additions and 4 deletions
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2
fuzz/Makefile.am
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@ -96,7 +96,7 @@ oss-fuzz:
XLIBS="-lpsl -lgnutls -lhogweed -lnettle -lidn2 -lunistring"; \
for ccfile in wget*_fuzzer.c; do \
fuzzer=$$(basename $$ccfile .c); \
$$CXX $$CXXFLAGS -I$(top_srcdir)/src -I$(top_srcdir) -I$(top_srcdir)/lib \
$$CC $$CFLAGS -I$(top_srcdir)/src -I$(top_srcdir) -I$(top_srcdir)/lib \
"$${fuzzer}.c" -o "$${fuzzer}" \
../src/libunittest.a ../lib/libgnu.a $${LIB_FUZZING_ENGINE} \
-Wl,-Bstatic $${XLIBS} -Wl,-Bdynamic; \

4
fuzz/README.md
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@ -15,14 +15,12 @@ regression testing with top dir 'make check' or 'make check-valgrind'.
Use the following commands on top dir:
```
export CC=clang
export CXX=clang++
# address sanitizer:
#export CFLAGS="-O1 -g -fno-omit-frame-pointer -gline-tables-only -DFUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION -fsanitize=undefined,integer,nullability -fsanitize=address -fsanitize-address-use-after-scope -fsanitize-coverage=trace-pc-guard,trace-cmp"
export CFLAGS="-O1 -fno-omit-frame-pointer -gline-tables-only -DFUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION -fsanitize=undefined -fsanitize=address -fsanitize-address-use-after-scope -fsanitize=fuzzer-no-link"
# undefined sanitizer;
export CFLAGS="-O1 -fno-omit-frame-pointer -gline-tables-only -DFUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION -fsanitize=bool,array-bounds,float-divide-by-zero,function,integer-divide-by-zero,return,shift,signed-integer-overflow,vla-bound,vptr -fno-sanitize-recover=bool,array-bounds,float-divide-by-zero,function,integer-divide-by-zero,return,shift,signed-integer-overflow,vla-bound,vptr -fsanitize=fuzzer-no-link"
export CXXFLAGS="$CFLAGS -stdlib=libc++"
export LIB_FUZZING_ENGINE="-lFuzzer -lstdc++"
export LIB_FUZZING_ENGINE="-lFuzzer -lstdc++"
./configure --enable-fuzzing --without-metalink --without-zlib --disable-pcre --without-libuuid --enable-assert
make clean
make -j$(nproc)