# Description: clang compiler
# URL: https://clang.llvm.org/
# Maintainer: CRUX System Team, core-ports at crux dot nu
# Depends on: compiler-rt

name=clang
version=19.1.7
release=1
source=(https://github.com/llvm/llvm-project/releases/download/llvmorg-$version/clang-$version.src.tar.xz
	https://github.com/llvm/llvm-project/releases/download/llvmorg-$version/clang-tools-extra-$version.src.tar.xz
	https://github.com/llvm/llvm-project/releases/download/llvmorg-$version/llvm-$version.src.tar.xz
	https://github.com/llvm/llvm-project/releases/download/llvmorg-$version/cmake-$version.src.tar.xz
	)

build() {
	llvm_version=$(prt-get current llvm)
	if [ ! "$llvm_version" == "$version-$release" ]; then
		printf '\e[31m%s\e[m\n' "llvm out-of-sync error!
Your current llvm version is $llvm_version, while this Pkgfile currently
provides $version-$release.

The build may not fail but produce problems later on. To save your time the
build will exit here. Please update llvm and compiler-rt first."
		exit 1
	fi
	mv clang-tools-extra-$version.src clang-$version.src/tools/extra
	prt-get isinst ccache && PKGMK_CLANG+=' -D LLVM_CCACHE_BUILD=ON'

	mv cmake-$version.src cmake

	cmake -S $name-$version.src -B build -G Ninja $PKGMK_CLANG \
		-D CMAKE_INSTALL_PREFIX=/usr \
		-D CMAKE_INSTALL_LIBEXECDIR=lib/clang \
		-D CMAKE_BUILD_TYPE=Release \
		-D CMAKE_C_FLAGS_RELEASE="$CFLAGS" \
		-D CMAKE_CXX_FLAGS_RELEASE="$CXXFLAGS" \
		-D LLVM_MAIN_SRC_DIR="$SRC/llvm-$version.src" \
		-D LLVM_PARALLEL_COMPILE_JOBS="${JOBS:-1}" \
		-D LLVM_INCLUDE_TESTS=OFF \
		-Wno-dev
	cmake --build build
	DESTDIR=$PKG cmake --install build
}