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| author | Vasil Dimov <vd@FreeBSD.org> | 2020-06-05 11:50:34 +0200 |
|---|---|---|
| committer | Vasil Dimov <vd@FreeBSD.org> | 2020-06-05 11:50:34 +0200 |
| commit | 00124713912ead4ce610d519bb3ebab7e31cbea7 (patch) | |
| tree | d13f848cc7877141be17086f393ef179a9b8a2b2 /doc/fuzzing.md | |
| parent | 01b45b2e016f0b0907929e818216edf7157fb03a (diff) | |
| download | bitcoin-00124713912ead4ce610d519bb3ebab7e31cbea7.tar.xz | |
build: turn on --enable-c++17 by --enable-fuzz
Fuzzing code uses C++17 specific code (e.g. std::optional), so it is not
possible to compile with --enable-fuzz and without --enable-c++17.
Thus, turn on --enable-c++17 whenever --enable-fuzz is used.
Diffstat (limited to 'doc/fuzzing.md')
| -rw-r--r-- | doc/fuzzing.md | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/doc/fuzzing.md b/doc/fuzzing.md index 16852bb970..419b1db44e 100644 --- a/doc/fuzzing.md +++ b/doc/fuzzing.md @@ -8,7 +8,7 @@ To quickly get started fuzzing Bitcoin Core using [libFuzzer](https://llvm.org/d $ git clone https://github.com/bitcoin/bitcoin $ cd bitcoin/ $ ./autogen.sh -$ CC=clang CXX=clang++ ./configure --enable-fuzz --with-sanitizers=address,fuzzer,undefined --enable-c++17 +$ CC=clang CXX=clang++ ./configure --enable-fuzz --with-sanitizers=address,fuzzer,undefined # macOS users: If you have problem with this step then make sure to read "macOS hints for # libFuzzer" on https://github.com/bitcoin/bitcoin/blob/master/doc/fuzzing.md#macos-hints-for-libfuzzer $ make @@ -103,7 +103,7 @@ You may also need to take care of giving the correct path for `clang` and Full configure that was tested on macOS Catalina with `brew` installed `llvm`: ```sh -./configure --enable-fuzz --with-sanitizers=fuzzer,address,undefined CC=/usr/local/opt/llvm/bin/clang CXX=/usr/local/opt/llvm/bin/clang++ --disable-asm --enable-c++17 +./configure --enable-fuzz --with-sanitizers=fuzzer,address,undefined CC=/usr/local/opt/llvm/bin/clang CXX=/usr/local/opt/llvm/bin/clang++ --disable-asm ``` Read the [libFuzzer documentation](https://llvm.org/docs/LibFuzzer.html) for more information. This [libFuzzer tutorial](https://github.com/google/fuzzing/blob/master/tutorial/libFuzzerTutorial.md) might also be of interest. @@ -121,7 +121,7 @@ $ git clone https://github.com/google/afl $ make -C afl/ $ make -C afl/llvm_mode/ $ ./autogen.sh -$ CC=$(pwd)/afl/afl-clang-fast CXX=$(pwd)/afl/afl-clang-fast++ ./configure --enable-fuzz --enable-c++17 +$ CC=$(pwd)/afl/afl-clang-fast CXX=$(pwd)/afl/afl-clang-fast++ ./configure --enable-fuzz $ make # For macOS you may need to ignore x86 compilation checks when running "make". If so, # try compiling using: AFL_NO_X86=1 make @@ -148,7 +148,7 @@ $ git clone https://github.com/google/honggfuzz $ cd honggfuzz/ $ make $ cd .. -$ CC=$(pwd)/honggfuzz/hfuzz_cc/hfuzz-clang CXX=$(pwd)/honggfuzz/hfuzz_cc/hfuzz-clang++ ./configure --enable-fuzz --with-sanitizers=address,undefined --enable-c++17 +$ CC=$(pwd)/honggfuzz/hfuzz_cc/hfuzz-clang CXX=$(pwd)/honggfuzz/hfuzz_cc/hfuzz-clang++ ./configure --enable-fuzz --with-sanitizers=address,undefined $ make $ mkdir -p inputs/ $ honggfuzz/honggfuzz -i inputs/ -- src/test/fuzz/process_message |