Mercurial > minori
diff dep/fmt/test/fuzzing/README.md @ 343:1faa72660932
*: transfer back to cmake from autotools
autotools just made lots of things more complicated than
they should have and many things broke (i.e. translations)
| author | Paper <paper@paper.us.eu.org> |
|---|---|
| date | Thu, 20 Jun 2024 05:56:06 -0400 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/dep/fmt/test/fuzzing/README.md Thu Jun 20 05:56:06 2024 -0400 @@ -0,0 +1,25 @@ +# Running the fuzzers locally + +There is a [helper script](build.sh) to build the fuzzers, which has only been +tested on Debian and Ubuntu linux so far. There should be no problems fuzzing on +Windows (using clang>=8) or on Mac, but the script will probably not work out of +the box. + +Something along +```sh +mkdir build +cd build +export CXX=clang++ +export CXXFLAGS="-fsanitize=fuzzer-no-link -DFUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION= -g" +cmake .. -DFMT_SAFE_DURATION_CAST=On -DFMT_FUZZ=On -DFMT_FUZZ_LINKMAIN=Off -DFMT_FUZZ_LDFLAGS="-fsanitize=fuzzer" +cmake --build . +``` +should work to build the fuzzers for all platforms which clang supports. + +Execute a fuzzer with for instance +```sh +cd build +export UBSAN_OPTIONS=halt_on_error=1 +mkdir out_chrono +bin/fuzzer_chrono_duration out_chrono +```