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Bug 1690757 - Change compiler-rt cmake flags to better share with upcoming new platforms. r=firefox-build-system-reviewers,mhentges
- Switch to use llvm-ar and llvm-ranlib - Use CMAKE_*_COMPILER_TARGET for --target - Use CMAKE_OSX_SYSROOT for -isysroot - Limit the compiler wrapper to adding -mcpu=apple-a12 on arm64 - Remove -DLLVM_DEFAULT_TARGET_TRIPLE and add -DCOMPILER_RT_DEFAULT_TARGET_ONLY=ON - Group all the flags that are OSX-only Differential Revision: https://phabricator.services.mozilla.com/D104011
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@ -5,11 +5,19 @@ set -e
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target=$1
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shift
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clang=$MOZ_FETCHES_DIR/clang/bin/clang
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case "$target" in
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aarch64-apple-darwin)
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arch=arm64
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sdk=11.0
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extra_flags="-mcpu=apple-a12"
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compiler_wrapper() {
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echo exec \$MOZ_FETCHES_DIR/clang/bin/$1 -mcpu=apple-a12 \"\$@\" > $1
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chmod +x $1
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}
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compiler_wrapper clang
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compiler_wrapper clang++
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clang=$PWD/clang
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;;
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x86_64-apple-darwin)
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arch=x86_64
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@ -30,15 +38,6 @@ fi
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mkdir compiler-rt
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cd compiler-rt
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compiler_wrapper() {
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cat > $1 <<EOF
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exec \$MOZ_FETCHES_DIR/clang/bin/$1 -target $target $extra_flags -isysroot \$MOZ_FETCHES_DIR/MacOSX$sdk.sdk "\$@"
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EOF
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chmod +x $1
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}
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compiler_wrapper clang
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compiler_wrapper clang++
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for patchfile in "$@"; do
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patch -d $MOZ_FETCHES_DIR/llvm-project -p1 < $GECKO_PATH/$patchfile
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done
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@ -46,20 +45,24 @@ done
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cmake \
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$MOZ_FETCHES_DIR/llvm-project/compiler-rt \
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-GNinja \
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-DCMAKE_C_COMPILER=$PWD/clang \
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-DCMAKE_CXX_COMPILER=$PWD/clang++ \
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-DCMAKE_LINKER=$MOZ_FETCHES_DIR/cctools/bin/$target-ld \
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-DCMAKE_LIPO=$MOZ_FETCHES_DIR/cctools/bin/lipo \
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-DCMAKE_AR=$MOZ_FETCHES_DIR/cctools/bin/$target-ar \
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-DCMAKE_RANLIB=$MOZ_FETCHES_DIR/cctools/bin/$target-ranlib \
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-DCMAKE_C_COMPILER=$clang \
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-DCMAKE_CXX_COMPILER=$clang++ \
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-DCMAKE_C_COMPILER_TARGET=$target \
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-DCMAKE_CXX_COMPILER_TARGET=$target \
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-DCMAKE_ASM_COMPILER_TARGET=$target \
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-DCMAKE_AR=$MOZ_FETCHES_DIR/clang/bin/llvm-ar \
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-DCMAKE_RANLIB=$MOZ_FETCHES_DIR/clang/bin/llvm-ranlib \
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-DCMAKE_BUILD_TYPE=Release \
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-DLLVM_ENABLE_ASSERTIONS=OFF \
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-DLLVM_CONFIG_PATH=$MOZ_FETCHES_DIR/clang/bin/llvm-config \
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-DCOMPILER_RT_DEFAULT_TARGET_ONLY=ON \
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-DCMAKE_LINKER=$MOZ_FETCHES_DIR/cctools/bin/$target-ld \
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-DCMAKE_LIPO=$MOZ_FETCHES_DIR/cctools/bin/lipo \
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-DCMAKE_SYSTEM_NAME=Darwin \
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-DCMAKE_SYSTEM_VERSION=$sdk \
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-DCMAKE_OSX_SYSROOT=$MOZ_FETCHES_DIR/MacOSX$sdk.sdk \
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-DDARWIN_osx_ARCHS=$arch \
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-DDARWIN_osx_SYSROOT=$MOZ_FETCHES_DIR/MacOSX$sdk.sdk \
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-DLLVM_DEFAULT_TARGET_TRIPLE=$target \
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-DDARWIN_macosx_OVERRIDE_SDK_VERSION=$sdk \
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-DDARWIN_osx_BUILTIN_ARCHS=$arch
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