diff options
| author |  jonathanmetzman <31354670+jonathanmetzman@users.noreply.github.com> | 2019-04-11 09:51:19 -0700 |
|---|---|---|
| committer |  GitHub <noreply@github.com> | 2019-04-11 09:51:19 -0700 |
| commit | 97eca89ed944fdb4e3fe575698a057c69814582e (patch) | |
| tree | f920f6add0b4f9d2646ea8e6b9d6c39b4b9d2379 /infra/base-images | |
| parent | 3eaad4f3e255936daad746e10a440239150c7185 (diff) | |
Build clang so that it can compile targets with `-fsanitize=fuzzer` (#2311)
Build clang so that it can compile targets with -fsanitize=fuzzer
without adding any runtime dependencies.
Diffstat (limited to 'infra/base-images')
| -rwxr-xr-x | infra/base-images/base-clang/checkout_build_install_llvm.sh | 22 |
1 files changed, 17 insertions, 5 deletions
diff --git a/infra/base-images/base-clang/checkout_build_install_llvm.sh b/infra/base-images/base-clang/checkout_build_install_llvm.sh index 4c45cf28..e93f9a8b 100755 --- a/infra/base-images/base-clang/checkout_build_install_llvm.sh +++ b/infra/base-images/base-clang/checkout_build_install_llvm.sh @@ -63,9 +63,12 @@ cd $SRC/llvm/projects && checkout_with_retries https://llvm.org/svn/llvm-project cd $SRC/llvm/projects && checkout_with_retries https://llvm.org/svn/llvm-project/libcxx/trunk@$LLVM_REVISION libcxx cd $SRC/llvm/projects && checkout_with_retries https://llvm.org/svn/llvm-project/libcxxabi/trunk@$LLVM_REVISION libcxxabi -# Build & install -mkdir -p $WORK/llvm -cd $WORK/llvm +# Build & install. We build clang in two stages because gcc can't build a +# static version of libcxxabi +# (see https://github.com/google/oss-fuzz/issues/2164). +mkdir -p $WORK/llvm-stage2 $WORK/llvm-stage1 +cd $WORK/llvm-stage1 + TARGET_TO_BUILD= case $(uname -m) in x86_64) @@ -80,12 +83,21 @@ case $(uname -m) in ;; esac cmake -G "Ninja" \ - -DLIBCXX_ENABLE_SHARED=OFF -DLIBCXX_ENABLE_STATIC_ABI_LIBRARY=ON \ + -DLIBCXX_ENABLE_SHARED=OFF -DLIBCXX_ENABLE_STATIC_ABI_LIBRARY=ON -DLIBCXXABI_ENABLE_SHARED=OFF \ + -DCMAKE_BUILD_TYPE=Release -DLLVM_TARGETS_TO_BUILD="$TARGET_TO_BUILD" \ + $SRC/llvm +ninja + +cd $WORK/llvm-stage2 +export CC=$WORK/llvm-stage1/bin/clang +export CXX=$WORK/llvm-stage1/bin/clang++ +cmake -G "Ninja" \ + -DLIBCXX_ENABLE_SHARED=OFF -DLIBCXX_ENABLE_STATIC_ABI_LIBRARY=ON -DLIBCXXABI_ENABLE_SHARED=OFF \ -DCMAKE_BUILD_TYPE=Release -DLLVM_TARGETS_TO_BUILD="$TARGET_TO_BUILD" \ $SRC/llvm ninja ninja install -rm -rf $WORK/llvm +rm -rf $WORK/llvm-stage1 $WORK/llvm-stage2 mkdir -p $WORK/msan cd $WORK/msan |