#!/usr/bin/env bash
name='clang'
release='5'
version='20.1.7'
url='https://github.com/llvm/llvm-project'
description='The LLVM Project is a collection of modular and reusable compiler and toolchain technologies.'
email='aliriza.keskin@pardus.org.tr'
maintainer='aliriza'
license=('GPLv3')
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"
)

depends=(llvm)
makedepends=()
sha256sums=(
    'cb74965a2481008ae405419357a55fda2df6fa3aee262a0a9293a558532a29ae'
    '0e1c675cf36bc5625514bf0dc582d39cb9b1cd0909601a46a2190f3afbc95633'
    '10b62d003f16afbd1a5ee0aa6397704c13d9a12a2562103998a8c1eff4a0f1ea'
    'afdab526c9b337a4eacbb401685beb98a18fb576037ecfaa93171d4c644fe791'
)

group=(sys.devel)
uses=()
arch=('x86_64')

cd $name-$version.src

unset CFLAGS
unset CXXFLAGS

prepare(){
    mv ../cmake{-$version.src,}
    mv ../clang-tools-extra-$version.src ../clang-$version.src/tools/extra
}

local cmake_args=(
    -G Ninja
    -DCMAKE_BUILD_TYPE=Release
    -DCMAKE_INSTALL_PREFIX=/usr
    -DCMAKE_INSTALL_DOCDIR=share/doc
    -DCMAKE_SKIP_RPATH=ON
    -DCLANG_DEFAULT_PIE_ON_LINUX=ON
    -DCLANG_LINK_CLANG_DYLIB=ON
    -DENABLE_LINKER_BUILD_ID=ON
    -DLLVM_BUILD_DOCS=OFF
    -DLLVM_BUILD_TESTS=OFF
    -DLLVM_INCLUDE_TESTS=OFF
    -DLLVM_ENABLE_RTTI=ON
    -DLLVM_ENABLE_SPHINX=OFF
    -DLLVM_EXTERNAL_LIT=/usr/bin/lit
    -DLLVM_INCLUDE_DOCS=OFF
    -DLLVM_LINK_LLVM_DYLIB=ON
    -DSPHINX_WARNINGS_AS_ERRORS=OFF
    -DLLVM_MAIN_SRC_DIR="$(realpath ~/llvm-$version.src)"
  )

setup(){
    mkdir build && cd build
    cmake .. ${cmake_args[@]}
}

build(){
    ninja -C build ${jobs}
}

package(){
    ninja -C build install ${jobs}
}