Build LLVM

build-llvm.sh

#!/bin/sh
#
# TODO This doesn't work yet

set -e
set -o pipefail

LLVM_SRC="${HOME}/llvm-6.0.1"
LLVM_BUILD="${HOME}/build"
LLVM_INSTALL="${HOME}/sysroot"

rm -rf "${LLVM_BUILD}"
mkdir -p "${LLVM_BUILD}"

cd "${LLVM_BUILD}"

cmake -G Ninja "${LLVM_SRC}" \
	-DCMAKE_BUILD_TYPE=Release \
	-DCMAKE_INSTALL_PREFIX="${LLVM_INSTALL}" \
	-DCMAKE_EXE_LINKER_FLAGS='-no-pie' \
	-DLLVM_INSTALL_BINUTILS_SYMLINKS=ON \
	-DLLVM_INSTALL_TOOLCHAIN_ONLY=ON \
	-DLLVM_ENABLE_PEDANTIC=OFF \
	-DLLVM_ENABLE_PIC=OFF \
	-DLLVM_BUILD_STATIC=ON \
	-DLLVM_PARALLEL_COMPILE_JOBS=8 \
	-DCOMPILER_RT_BUILD_BUILTINS=ON \
	-DCOMPILER_RT_BUILD_SANITIZERS=OFF \
	-DCOMPILER_RT_BUILD_XRAY=OFF \
	-DCOMPILER_RT_BUILD_LIBFUZZER=OFF \
	-DCOMPILER_RT_BUILD_PROFILE=OFF \
	-DCOMPILER_RT_BUILD_XRAY_NO_PREINIT=OFF \
	-DCLANG_DEFAULT_RTLIB=compiler-rt \
	-DCLANG_DEFAULT_CXX_STDLIB=libc++ \
	-DCLANG_DEFAULT_LINKER=lld

ninja || true
ninja -j1
ninja install