LLVM build scripts

LLVM built against libc++ build script

LLVM_TOOLCHAIN_LIB_DIR=$(llvm-config --libdir)

LD_FLAGS=""
LD_FLAGS="${LD_FLAGS} -Wl,-L ${LLVM_TOOLCHAIN_LIB_DIR}"
LD_FLAGS="${LD_FLAGS} -Wl,-rpath-link ${LLVM_TOOLCHAIN_LIB_DIR}"
LD_FLAGS="${LD_FLAGS} -lc++ -lc++abi"

CXX_FLAGS=""
CXX_FLAGS="${CXX_FLAGS} -stdlib=libc++ -pthread"

INSTALL_DIR=[path-to-install-dir]

CC=clang CXX=clang++ \
cmake \
  -G Ninja \
  -DCMAKE_EXPORT_COMPILE_COMMANDS=On \
  -DBUILD_SHARED_LIBS=On \
  -DLLVM_ENABLE_LIBCXX=On \
  -DLLVM_ENABLE_LIBCXXABI=On \
  -DLLVM_ENABLE_ASSERTIONS=On \
  -DLLVM_TARGETS_TO_BUILD="X86" \
  -DLLVM_ENABLE_SPHINX=Off \
  -DLLVM_ENABLE_THREADS=On \
  -DLLVM_INSTALL_UTILS=On \
  -DLIBCXX_ENABLE_EXCEPTIONS=On \
  -DLIBCXX_ENABLE_RTTI=On \
  -DCMAKE_BUILD_TYPE=Debug \
  -DCMAKE_CXX_FLAGS="${CXX_FLAGS}" \
  -DCMAKE_SHARED_LINKER_FLAGS="${LD_FLAGS}" \
  -DCMAKE_MODULE_LINKER_FLAGS="${LD_FLAGS}" \
  -DCMAKE_EXE_LINKER_FLAGS="${LD_FLAGS}" \
  -DCMAKE_POLICY_DEFAULT_CMP0056=NEW \
  -DCMAKE_POLICY_DEFAULT_CMP0058=NEW \
  -DCMAKE_INSTALL_PREFIX=${INSTALL_DIR} \
  [path-to-source-dir]

LLVM minimal build script

cmake
-G Ninja \
-DCMAKE_EXPORT_COMPILE_COMMANDS=On \
-DCMAKE_BUILD_TYPE=RelWithDebInfo \
-DBUILD_SHARED_LIBS=On \
-DLLVM_ENABLE_ASSERTIONS=Off \
-DLLVM_TARGETS_TO_BUILD="X86" \
-DLLVM_ENABLE_SPHINX=Off \
-DLLVM_ENABLE_THREADS=On \
-DLIBCXX_ENABLE_EXCEPTIONS=On \
-DLIBCXX_ENABLE_RTTI=On \
-DCMAKE_INSTALL_PREFIX=[path-to-install-dir] \
[path-to-source-dir]