build-script.sh

./swift/utils/build-script \
    -R \
    --bootstrapping=off \
    --llvm-targets-to-build=X86 \
    --skip-build-clang-tools-extra \
    --skip-build-compiler-rt \
    --llvm-cmake-options="\
        -DLLVM_ENABLE_ASSERTIONS=TRUE,\
        -DCMAKE_SKIP_RPATH=FALSE,\
        -DLLVM_ENABLE_RTTI=ON,\
        -DLLVM_ENABLE_THREADS=ON,\
        -DCMAKE_C_FLAGS=-fPIC,\
        -DCMAKE_CXX_FLAGS=-fPIC,\
        -DCMAKE_SHARED_LINKER_FLAGS='-lnetwork',\
        -DCMAKE_EXE_LINKER_FLAGS='-lnetwork'" \
    --extra-cmake-options="\
        -DSWIFT_ENABLE_DISPATCH=OFF,\
        -DSWIFT_BUILD_SOURCEKIT=OFF,\
        -DSWIFT_ENABLE_EXPERIMENTAL_CONCURRENCY=OFF,\
        -DSWIFT_IMPLICIT_CONCURRENCY_IMPORT=OFF,\
        -DSWIFT_ENABLE_EXPERIMENTAL_DISTRIBUTED=OFF,\
        -DSWIFT_ENABLE_EXPERIMENTAL_DIFFERENTIABLE_PROGRAMMING=OFF,\
        -DSWIFT_ENABLE_EXPERIMENTAL_OBSERVATION=OFF,\
        -DSWIFT_USE_LINKER=lld,\
        -DLLVM_USE_LINKER=lld" \
    --stdlib-deployment-targets=haiku-x86_64 $@