mirror of
https://github.com/LadybirdBrowser/ladybird.git
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99 lines
3.1 KiB
Bash
Executable file
99 lines
3.1 KiB
Bash
Executable file
#!/usr/bin/env bash
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set -e
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SCRIPT_PATH="$(dirname "${0}")"
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cd "${SCRIPT_PATH}"
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BEST_CLANG_CANDIDATE=""
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die() {
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>&2 echo "die: $*"
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exit 1
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}
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pick_clang() {
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local BEST_VERSION=0
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for CLANG_CANDIDATE in clang clang-17 clang-18 /opt/homebrew/opt/llvm/bin/clang ; do
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if ! command -v $CLANG_CANDIDATE >/dev/null 2>&1; then
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continue
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fi
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if $CLANG_CANDIDATE --version 2>&1 | grep "Apple clang" >/dev/null; then
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echo "Skipping Apple clang, as Apple does not ship libfuzzer with Xcode..."
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continue
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fi
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if ! $CLANG_CANDIDATE -dumpversion >/dev/null 2>&1; then
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continue
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fi
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local VERSION=""
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VERSION="$($CLANG_CANDIDATE -dumpversion)"
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local MAJOR_VERSION="${VERSION%%.*}"
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if [ "$MAJOR_VERSION" -gt "$BEST_VERSION" ]; then
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BEST_VERSION=$MAJOR_VERSION
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BEST_CLANG_CANDIDATE="$CLANG_CANDIDATE"
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fi
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done
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if [ "$BEST_VERSION" -lt 15 ]; then
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die "Please make sure that Clang version 15 or higher is installed."
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fi
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}
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# Save flags for oss-fuzz to avoid fuzzing Tools/
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# https://google.github.io/oss-fuzz/getting-started/new-project-guide/#temporarily-disabling-code-instrumentation-during-builds
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CFLAGS_SAVE="$CFLAGS"
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CXXFLAGS_SAVE="$CXXFLAGS"
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unset CFLAGS
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unset CXXFLAGS
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export AFL_NOOPT=1
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if [ "$#" -gt "0" ] && [ "--oss-fuzz" = "$1" ] ; then
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CXXFLAGS="$CXXFLAGS -DOSS_FUZZ=ON"
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fi
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# FIXME: Replace these CMake invocations with a CMake superbuild?
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echo "Building Lagom Tools..."
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cmake -GNinja -B Build/tools \
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-DLAGOM_TOOLS_ONLY=ON \
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-DCMAKE_CXX_FLAGS="$CXXFLAGS" \
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-DCMAKE_INSTALL_PREFIX=Build/tool-install \
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-Dpackage=LagomTools
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ninja -C Build/tools install
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# Restore flags for oss-fuzz
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export CFLAGS="${CFLAGS_SAVE}"
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export CXXFLAGS="${CXXFLAGS_SAVE}"
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unset AFL_NOOPT
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echo "Building Lagom Fuzzers..."
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if [ "$#" -gt "0" ] && [ "--oss-fuzz" = "$1" ] ; then
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echo "Building for oss-fuzz configuration..."
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cmake -GNinja -B Build/fuzzers \
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-DBUILD_SHARED_LIBS=OFF \
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-DENABLE_FUZZERS_OSSFUZZ=ON \
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-DFUZZER_DICTIONARY_DIRECTORY="$OUT" \
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-DCMAKE_C_COMPILER="$CC" \
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-DCMAKE_CXX_COMPILER="$CXX" \
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-DCMAKE_CXX_FLAGS="$CXXFLAGS -DOSS_FUZZ=ON" \
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-DLINKER_FLAGS="$LIB_FUZZING_ENGINE" \
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-DCMAKE_PREFIX_PATH=Build/tool-install
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ninja -C Build/fuzzers
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cp Build/fuzzers/bin/Fuzz* "$OUT"/
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elif [ "$#" -gt "0" ] && [ "--standalone" = "$1" ] ; then
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echo "Building for standalone fuzz configuration..."
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cmake -GNinja -B Build/lagom-fuzzers-standalone \
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-DENABLE_FUZZERS=ON \
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-DCMAKE_PREFIX_PATH=Build/tool-install
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ninja -C Build/lagom-fuzzers-standalone
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else
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echo "Building for local fuzz configuration..."
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pick_clang
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cmake -GNinja -B Build/lagom-fuzzers \
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-DENABLE_FUZZERS_LIBFUZZER=ON \
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-DENABLE_ADDRESS_SANITIZER=ON \
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-DENABLE_UNDEFINED_SANITIZER=ON \
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-DCMAKE_PREFIX_PATH=Build/tool-install \
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-DCMAKE_C_COMPILER=$BEST_CLANG_CANDIDATE \
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-DCMAKE_CXX_COMPILER="${BEST_CLANG_CANDIDATE/clang/clang++}"
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ninja -C Build/lagom-fuzzers
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fi
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