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

name=clang
version=22.1.0
release=1
source=(https://github.com/llvm/llvm-project/releases/download/llvmorg-$version/llvm-project-$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

    prt-get isinst ccache && PKGMK_CLANG+=' -D LLVM_CCACHE_BUILD=ON'

    mv llvm-project-$version.src/clang-tools-extra llvm-project-$version.src/clang/tools/extra

    cmake -S llvm-project-$version.src/clang -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-project-$version.src/llvm" \
        -D LLVM_PARALLEL_COMPILE_JOBS="${JOBS:-1}" \
        -D LLVM_INCLUDE_TESTS=OFF \
        -Wno-dev
    cmake --build build
    DESTDIR=$PKG cmake --install build
}