pkgver=14.0.1
pkgname=llvm
bad=""
ext="dev"

fetch() {
	curl -L "https://github.com/llvm/llvm-project/releases/download/llvmorg-$pkgver/llvm-project-$pkgver.src.tar.xz" -o $pkgname-$pkgver.tar.gz
	tar -xf $pkgname-$pkgver.tar.gz
	mv llvm-project-$pkgver.src $pkgname-$pkgver

	cd $pkgname-$pkgver
	patch -p1 < ../../riscv-relax.patch
}

build() {
	cd $pkgname-$pkgver

	if [ ! -z "$WITH_CROSS" ]; then
		EXTRA_ARGS="-DCMAKE_SYSROOT=$WITH_CROSS_DIR \
			-DCMAKE_C_COMPILER_WORKS=ON \
			-DCMAKE_CXX_COMPILER_WORKS=ON \
			-DCMAKE_SYSTEM_NAME=Linux \
			-DLLVM_TABLEGEN=$(pwd)/host-build/bin/llvm-tblgen \
			-DCLANG_TABLEGEN=$(pwd)/host-build/bin/clang-tblgen"
		mkdir -p host-build
		cd host-build
		cmake -G Ninja -Wno-dev \
			-DLLVM_ENABLE_PROJECTS='clang' \
			-DCMAKE_C_COMPILER=cc \
			-DCMAKE_CXX_COMPILER=c++ \
			../llvm

		samu llvm-tblgen clang-tblgen

		cd ..
	fi

	mkdir -p build
	cd build
	cmake -G Ninja -Wno-dev \
		-DCMAKE_C_COMPILER_TARGET=$TRIPLE \
		-DCMAKE_CXX_COMPILER_TARGET=$TRIPLE \
		-DCMAKE_INSTALL_PREFIX=/usr \
		-DCMAKE_BUILD_TYPE=Release \
		-DLLVM_VERSION_SUFFIX="" \
		-DLLVM_APPEND_VC_REV=OFF \
		-DLLVM_ENABLE_PROJECTS="llvm;lld;clang;lldb;clang-tools-extra" \
		-DLLVM_ENABLE_LLD=ON \
		-DLLVM_TARGETS_TO_BUILD="all" \
		-DLLVM_INSTALL_BINUTILS_SYMLINKS=ON \
		-DLLVM_INSTALL_CCTOOLS_SYMLINKS=ON \
		-DLLVM_INCLUDE_EXAMPLES=OFF \
		-DLLVM_ENABLE_PIC=ON \
		-DLLVM_ENABLE_LTO=OFF \
		-DLLVM_INCLUDE_GO_TESTS=OFF \
		-DLLVM_INCLUDE_TESTS=OFF \
		-DLLVM_HOST_TRIPLE=$TRIPLE \
		-DLLVM_DEFAULT_TARGET_TRIPLE=$TRIPLE \
		-DLLVM_ENABLE_LIBXML2=OFF \
		-DLLVM_ENABLE_ZLIB=OFF\
		-DLLVM_BUILD_LLVM_DYLIB=ON \
		-DLLVM_LINK_LLVM_DYLIB=ON \
		-DLLVM_OPTIMIZED_TABLEGEN=ON \
		-DLLVM_INCLUDE_BENCHMARKS=OFF \
		-DLLVM_INCLUDE_DOCS=ON \
		-DLLVM_TOOL_LLVM_ITANIUM_DEMANGLE_FUZZER_BUILD=OFF \
		-DLLVM_TOOL_LLVM_MC_ASSEMBLE_FUZZER_BUILD=OFF \
		-DLLVM_TOOL_LLVM_MC_DISASSEMBLE_FUZZER_BUILD=OFF \
		-DLLVM_TOOL_LLVM_OPT_FUZZER_BUILD=OFF \
		-DLLVM_TOOL_LLVM_MICROSOFT_DEMANGLE_FUZZER_BUILD=OFF \
		-DLLVM_TOOL_LLVM_GO_BUILD=OFF \
		-DLLVM_INSTALL_UTILS=ON \
		-DLLVM_ENABLE_LIBCXX=ON \
		-DLLVM_STATIC_LINK_CXX_STDLIB=ON \
		-DLLVM_ENABLE_LIBEDIT=OFF \
		-DLLVM_ENABLE_TERMINFO=OFF \
		-DLIBCXX_ENABLE_FILESYSTEM=ON \
		-DLIBCXX_USE_COMPILER_RT=ON \
		-DLIBCXX_HAS_MUSL_LIBC=ON \
		-DLIBCXX_ENABLE_STATIC_ABI_LIBRARY=ON \
		-DLIBCXX_STATICALLY_LINK_ABI_IN_SHARED_LIBRARY=ON \
		-DLIBCXX_STATICALLY_LINK_ABI_IN_STATIC_LIBRARY=ON \
		-DLIBCXX_INSTALL_LIBRARY=ON \
		-DLIBCXXABI_ENABLE_ASSERTIONS=ON \
		-DLIBCXXABI_USE_COMPILER_RT=ON \
		-DLIBCXXABI_USE_LLVM_UNWINDER=ON \
		-DLIBCXXABI_ENABLE_STATIC_UNWINDER=ON \
		-DLIBCXXABI_STATICALLY_LINK_UNWINDER_IN_SHARED_LIBRARY=YES \
		-DLIBCXXABI_ENABLE_SHARED=OFF \
		-DLIBCXXABI_ENABLE_STATIC=ON \
		-DLIBCXXABI_INSTALL_LIBRARY=ON \
		-DLIBUNWIND_ENABLE_SHARED=ON \
		-DLIBUNWIND_ENABLE_STATIC=ON \
		-DLIBUNWIND_INSTALL_LIBRARY=ON \
		-DLIBUNWIND_USE_COMPILER_RT=ON \
		-DCLANG_DEFAULT_LINKER=lld \
		-DCLANG_DEFAULT_CXX_STDLIB='libc++' \
		-DCLANG_DEFAULT_RTLIB=compiler-rt \
		-DCLANG_DEFAULT_UNWINDLIB=libunwind \
		-DCLANG_VENDOR="Iglunix" \
		-DCLANG_ENABLE_STATIC_ANALYZER=OFF \
		-DCLANG_ENABLE_ARCMT=OFF \
		-DCLANG_LINK_CLANG_DYLIB=OFF \
		-DCLANG_TOOLING_BUILD_AST_INTROSPECTION=OFF \
		-DCOMPILER_RT_USE_BUILTINS_LIBRARY=OFF \
		-DCOMPILER_RT_DEFAULT_TARGET_ONLY=OFF \
		-DCOMPILER_RT_INCLUDE_TESTS=OFF \
		-DCOMPILER_RT_BUILD_SANITIZERS=OFF \
		-DCOMPILER_RT_BUILD_XRAY=OFF \
		-DCOMPILER_RT_BUILD_MEMPROF=OFF \
		-DCOMPILER_RT_INCLUDE_TESTS=OFF \
		-DCOMPILER_RT_BUILD_LIBFUZZER=OFF \
		-DENABLE_EXPERIMENTAL_NEW_PASS_MANAGER=TRUE \
		$EXTRA_ARGS \
		-DHAVE_CXX_ATOMICS_WITHOUT_LIB=ON \
		-DHAVE_CXX_ATOMICS64_WITHOUT_LIB=ON \
		../llvm

	samu -j$JOBS
}

package() {
	cd $pkgname-$pkgver
	cd build
	DESTDIR=$pkgdir samu install
	ln -s clang $pkgdir/usr/bin/cc
	ln -s clang $pkgdir/usr/bin/c89
	ln -s clang $pkgdir/usr/bin/c99
	ln -s clang++ $pkgdir/usr/bin/c++
	ln -s ld.lld $pkgdir/usr/bin/ld
}

backup() {
	return
}

package_dev() {
	echo "No... Shut"
}

license() {
	cd $pkgname-$pkgver
	cat */LICENSE.TXT
}