PKGBUILD

#!/usr/bin/bash
# Maintainer: Solomon Choina <shlomochoina@gmail.com>
# Based on LordHeavy's LLVM
pkgbase=llvm-git
pkgname=('lldb-git' 'lld-git' 'polly-git' 'compiler-rt-git' 'clang-git' 'spirv-llvm-translator-git' 'llvm-libs-git' 'llvm-git')
pkgdesc='Low Level Virtual Machine (git version)'
pkgver=19.0.0_r499786.56d319e7e40e
pkgrel=1
epoch=2
groups=('chaotic-mesa-git')
arch=('x86_64' 'armv7h' 'aarch64')
url="https://llvm.org/"
license=('Apache-2.0 WITH LLVM-exception')
makedepends=('git' 'cmake' 'ninja' 'libffi' 'libedit' 'ncurses' 'libxml2'
             'python-sphinx' 'lua53' 'python-recommonmark' 'python-setuptools' 'python-six'
             'cuda' 'ocl-icd' 'opencl-headers' 'python-yaml' 'python-myst-parser'
             'swig' 'python' 'libunwind' 'spirv-headers-git'
             'python-sphinx-furo' 'python-sphinx-automodapi' 'python-pexpect'
             'python-psutil' 'spirv-tools' 'tensorflow')

source=("llvm-project::git+https://github.com/llvm/llvm-project.git"
        "git+https://github.com/KhronosGroup/SPIRV-LLVM-Translator.git"
        "llvm-config.h"
        )

md5sums=('SKIP'
         'SKIP'
         '295c343dcd457dc534662f011d7cff1a')
sha512sums=('SKIP'
            'SKIP'
            '75e743dea28b280943b3cc7f8bbb871b57d110a7f2b9da2e6845c1c36bf170dd883fca54e463f5f49e0c3effe07fbd0db0f8cf5a12a2469d3f792af21a73fcdd')
options=('staticlibs' '!emptydirs') # 'debug' takes way too long to scan for the source files...

# NINJAFLAGS is an env var used to pass commandline options to ninja
# NOTE: It's your responbility to validate the value of $NINJAFLAGS. If unsure, don't set it.

_python_optimize() {
    python -m compileall "$@"
    python -O -m compileall "$@"
    python -OO -m compileall "$@"
}

pkgver() {
    cd llvm-project/cmake/Modules

    # This will almost match the output of `llvm-config --version` when the
    # LLVM_APPEND_VC_REV cmake flag is turned on. The only difference is
    # dash being replaced with underscore because of Pacman requirements.
    local _pkgver=$(awk -F 'MAJOR |MINOR |PATCH |)' \
                        'BEGIN { ORS="." ; i=0 } \
             /set\(LLVM_VERSION_/ { print $2 ; i++ ; if (i==2) ORS="" } \
             END { print "\n" }' \
                        LLVMVersion.cmake)_r$(git rev-list --count HEAD).$(git rev-parse --short HEAD)
    echo "$_pkgver"
}

prepare() {
    cd llvm-project
    # llvm-project contains a lot of stuff, remove parts that aren't used by this package
    rm -rf "$srcdir"/fakeinstall

  cp -r $srcdir/SPIRV-LLVM-Translator llvm/projects
}

build() {
    CFLAGS+=" -ffile-prefix-map=$srcdir=${DBGSRCDIR:-/usr/src/debug} -fno-lto"
    CXXFLAGS+=" -ffile-prefix-map=$srcdir=${DBGSRCDIR:-/usr/src/debug} -fno-lto"
    CFLAGS+=' -I/usr/include/tensorflow'
    CXXFLAGS+=' -I/usr/include/tensorflow'
    CFLAGS+=' -fasynchronous-unwind-tables'
    CXXFLAGS+=' -fasynchronous-unwind-tables'
    LDFLAGS+=' -fasynchronous-unwind-tables'

    #  export CC="clang -v"
    #  export CXX="clang++ -v"

    cmake \
        -B _build \
        -S llvm-project/llvm  -G Ninja \
        -Wno-dev \
        -D CMAKE_C_FLAGS="$CFLAGS" \
        -D CMAKE_CXX_FLAGS="$CXXFLAGS" \
        -D CMAKE_BUILD_TYPE=Release \
        -D CMAKE_INSTALL_PREFIX=/usr \
        -D CMAKE_INSTALL_DOCDIR=/usr/share/doc \
        -D CMAKE_POSITION_INDEPENDENT_CODE=ON \
        -D LLVM_APPEND_VC_REV=ON \
        -D LLVM_HOST_TRIPLE="$CHOST" \
        -D LLVM_ENABLE_RTTI=ON \
        -D LLVM_ENABLE_FFI=ON \
        -D LLVM_BINUTILS_INCDIR=/usr/include \
        -D FFI_INCLUDE_DIR="$(pkg-config --variable=includedir libffi)" \
        -D LLVM_BUILD_LLVM_DYLIB=ON \
        -D LLVM_LINK_LLVM_DYLIB=ON \
        -D LLVM_ENABLE_BINDINGS=OFF \
        -D LLVM_INSTALL_UTILS=ON \
        -D LLVM_BUILD_DOCS=ON \
        -D LLVM_INCLUDE_DOCS=ON \
        -D LLVM_INCLUDE_BENCHMARKS=OFF \
        -D LLVM_EXPERIMENTAL_TARGETS_TO_BUILD=AVR \
        -D LLVM_ENABLE_SPHINX=ON \
        -D SPHINX_OUTPUT_HTML=ON \
        -D SPHINX_OUTPUT_MAN=ON \
        -D SPHINX_WARNINGS_AS_ERRORS=OFF \
        -D LLVM_VERSION_SUFFIX="" \
        -D LLDB_ENABLE_PYTHON=ON \
        -D LLVM_ENABLE_PROJECTS="lldb;polly;compiler-rt;lld;clang-tools-extra;clang" \
        -D LLVM_ENABLE_DUMP=ON \
        -D LLVM_EXTERNAL_SPIRV_HEADERS_SOURCE_DIR=/usr/include/spirv/

    ninja -C _build LLVMgold all
    DESTDIR="$srcdir/fakeinstall" ninja -C _build install
}

_fakeinstall () {
    local src f dir
    for src; do
        f="${src#fakeinstall/}"
        dir="$pkgdir/${f%/*}"
        install -m755 -d "$dir"
        mv -v "$src" "$dir/"
    done
}

package_lldb-git() {
    _pythonver="$(python -V | sed 's/.* \([0-9]\)\.\([0-9]*\)\..*/\1.\2/')"

    pkgdesc="Next generation, high-performance debugger (git version)"
    url="https://lldb.llvm.org/"
    depends=("clang-git=$epoch:$pkgver-$pkgrel" "llvm-libs-git=$epoch:$pkgver-$pkgrel" "lua53" "zstd" "libxml2" "python")
    provides=("lldb=$pkgver")
    replaces=('lldb-svn')
    optdepends=('lua53: scripting support')
    conflicts=('lldb' 'lldb-svn')
    _fakeinstall fakeinstall/usr/bin/lldb*
    _fakeinstall fakeinstall/usr/include/lldb
    _fakeinstall fakeinstall/usr/lib/liblldb*
    _fakeinstall fakeinstall/usr/lib/python"$_pythonver"/site-packages/lldb
    _fakeinstall fakeinstall/usr/share/man/man1/lldb*
    _fakeinstall fakeinstall/usr/share/doc/lldb/*
    install -Dm644 "$srcdir"/llvm-project/lldb/LICENSE.TXT "$pkgdir/usr/share/licenses/$pkgname/LICENSE"
    rm -r "$pkgdir"/usr/share/doc/lldb/html/.buildinfo
}

package_lld-git(){
    pkgdesc="Linker from the LLVM project"
    url="https://lld.llvm.org"
    depends=("llvm-libs-git=$epoch:$pkgver-$pkgrel"
             "zstd"
             "llvm-git=$epoch:$pkgver-$pkgrel")
    provides=("lld=$pkgver")
    replaces=('lld-svn')
    conflicts=('lld' 'lld-svn')

    _fakeinstall fakeinstall/usr/include/lld
    _fakeinstall fakeinstall/usr/lib/liblld*
    _fakeinstall fakeinstall/usr/lib/cmake/lld/
    _fakeinstall fakeinstall/usr/bin/{lld*,*.lld,wasm-ld}
    _fakeinstall fakeinstall/usr/share/doc/lld/*
    install -Dm644 "$srcdir"/llvm-project/lld/docs/ld.lld.1 "$pkgdir/usr/share/man/man1"
    install -Dm644 "$srcdir"/llvm-project/lld/LICENSE.TXT "$pkgdir/usr/share/licenses/$pkgname/LICENSE"
    rm -r "$pkgdir"/usr/share/doc/lld/html/{_sources,.buildinfo}
}

package_polly-git() {
    pkgdesc="Polly is a high-level loop and data-locality optimizer and optimization infrastructure for LLVM"
    url="https://polly.llvm.org/"
    depends=("llvm-libs-git=$epoch:$pkgver-$pkgrel" 'glibc' 'gcc-libs')
    provides=("polly=$pkgver")
    replaces=('polly-svn')
    conflicts=('polly' 'polly-svn')

    _fakeinstall fakeinstall/usr/include/polly
    _fakeinstall fakeinstall/usr/lib/cmake/polly/
    _fakeinstall fakeinstall/usr/lib/*Polly*
    install -Dm644 "$srcdir"/llvm-project/polly/LICENSE.TXT "$pkgdir/usr/share/licenses/$pkgname/LICENSE"
     _fakeinstall fakeinstall/usr/share/doc/polly/*
     _fakeinstall fakeinstall/usr/share/man/man1/polly*
     rm -r "$pkgdir"/usr/share/doc/polly/html/{_sources,.buildinfo}
}

package_compiler-rt-git() {
    pkgdesc="Compiler runtime libraries for clang (git version)"
    url="https://compiler-rt.llvm.org/"
    depends=('gcc-libs' "llvm-git=$epoch:$pkgver-$pkgrel")
    provides=("compiler-rt=$pkgver")
    replaces=('compiler-rt-svn')
    conflicts=('compiler-rt' 'compiler-rt-svn')

    local _llvmver=$(echo "$pkgver" | grep -Po "(^[\d]+)")

    _fakeinstall fakeinstall/usr/lib/clang/"$_llvmver"/lib/"$CHOST"
    _fakeinstall fakeinstall/usr/lib/clang/"$_llvmver"/include/{sanitizer,xray}
    _fakeinstall fakeinstall/usr/lib/clang/"$_llvmver"/share

    install -Dm644 "$srcdir"/llvm-project/clang/LICENSE.TXT "$pkgdir/usr/share/licenses/$pkgname/LICENSE"
}

package_clang-git() {
    _pythonver="$(python -V | sed 's/.* \([0-9]\)\.\([0-9]*\)\..*/\1.\2/')"

    pkgdesc="C language family frontend for LLVM (git version)"
    url="http://clang.llvm.org/"
    depends=("llvm-libs-git=$epoch:$pkgver-$pkgrel" 'gcc' "compiler-rt-git=$epoch:$pkgver-$pkgrel" "python-yaml")
    optdepends=('llvm-git: refered by some clang-headers'
                'python: for scan-view and git-clang-format'
                'perl: for scanbuild, c++-analyzer, and ccc-analyzer')
    provides=("clang=$pkgver" "clang-analyzer=$pkgver" "clang-tools-extra=$pkgver")
    conflicts=('clang' 'clang-svn' 'clang-analyzer' 'clang-analyzer-svn' 'clang-tools-extra' 'clang-tools-extra-svn')
    replaces=('clang-svn' 'clang-analyzer-svn' 'clang-tools-extra-svn')

    _fakeinstall fakeinstall/usr/bin/*clang*
    _fakeinstall fakeinstall/usr/bin/{c-index-test,diagtool,find-all-symbols}
    _fakeinstall fakeinstall/usr/bin/{hmaptool,modularize,scan-build,scan-build-py,scan-view,analyze-build,intercept-build}
    _fakeinstall fakeinstall/usr/bin/pp-trace

    _fakeinstall fakeinstall/usr/include/clang*

    _fakeinstall fakeinstall/usr/lib/clang
    _fakeinstall fakeinstall/usr/lib/libclang*
    _fakeinstall fakeinstall/usr/lib/libfindAllSymbols*
    _fakeinstall fakeinstall/usr/lib/cmake/clang

    _fakeinstall fakeinstall/usr/libexec
    _fakeinstall fakeinstall/usr/share/doc/clang*
    _fakeinstall fakeinstall/usr/share/clang
    _fakeinstall fakeinstall/usr/share/scan{-build,-view}
    _fakeinstall fakeinstall/usr/share/man/man1/{clang,diagtool,extraclangtools,scan-build}*

    # Remove documentation sources
    rm -rf "$pkgdir"/usr/share/doc/clang{,-tools}/html/{_sources,.buildinfo}

    # Move scanbuild-py into site-packages and install Python bindings
    local site_packages=$(python -c "import site; print(site.getsitepackages()[0])")
    install -d "$pkgdir/$site_packages"
    _fakeinstall fakeinstall/usr/lib/{libear,libscanbuild}
    mv "$pkgdir"/usr/lib/{libear,libscanbuild} "$pkgdir/$site_packages/"
    cp -a $srcdir/llvm-project/clang/bindings/python/clang "$pkgdir/$site_packages/"

    # Move analyzer scripts out of /usr/libexec
    mv "$pkgdir"/usr/libexec/* "$pkgdir/usr/lib/clang/"
    rmdir "$pkgdir/usr/libexec"
    sed -i 's|libexec|lib/clang|' \
    "$pkgdir/usr/bin/scan-build" \
    "$pkgdir/$site_packages/libscanbuild/analyze.py"

    # Compile Python scripts
    _python_optimize "$pkgdir/usr/share" "$pkgdir/$site_packages"

    install -Dm644 "$srcdir"/llvm-project/llvm/LICENSE.TXT "$pkgdir/usr/share/licenses/$pkgname/LICENSE"
}

package_llvm-libs-git() {
    pkgdesc="LLVM runtime libraries (git version)"
    depends=('gcc-libs'
             'zlib'
             'libffi'
             'libedit'
             'libxml2'
             'ncurses'
             'tensorflow'
             'zstd'
             "llvm-git=$epoch:$pkgver-$pkgrel")
    provides=("llvm-libs=$pkgver")
    replaces=('llvm-libs-svn')
    conflicts=('llvm-libs-svn' 'llvm-libs')

    _fakeinstall fakeinstall/usr/lib/libLLVM-*.so*
    _fakeinstall fakeinstall/usr/lib/libLTO.so*
    _fakeinstall fakeinstall/usr/lib/libRemarks.so.*
    _fakeinstall fakeinstall/usr/lib/LLVMgold.so
    install -d "$pkgdir/usr/lib/bfd-plugins"
    ln -s ../LLVMgold.so "$pkgdir/usr/lib/bfd-plugins/LLVMgold.so"

    install -Dm644 "$srcdir"/llvm-project/llvm/LICENSE.TXT "$pkgdir/usr/share/licenses/$pkgname/LICENSE"
}

package_spirv-llvm-translator-git() {
  pkgdesc="Tool and a library for bi-directional translation between SPIR-V and LLVM IR"
  depends=("llvm-git=$epoch:$pkgver-$pkgrel" 'spirv-tools')
  provides=('spirv-llvm-translator')
  conflicts=('spirv-llvm-translator')

  _fakeinstall fakeinstall/usr/bin/llvm-spirv
  _fakeinstall fakeinstall/usr/include/LLVMSPIRVLib
  _fakeinstall fakeinstall/usr/lib/libLLVMSPIRVLib.*
  _fakeinstall fakeinstall/usr/lib/pkgconfig/LLVMSPIRVLib.pc

  sed -i 's/17.0.0/18.0.0/g' $pkgdir/usr/lib/pkgconfig/LLVMSPIRVLib.pc
  install -Dm644 "$srcdir"/llvm-project/llvm/projects/SPIRV-LLVM-Translator/LICENSE.TXT "$pkgdir/usr/share/licenses/$pkgname/LICENSE"
}

package_llvm-git() {
    pkgdesc="Collection of modular and reusable compiler and toolchain technologies (git version)"
    depends=("llvm-libs-git=$epoch:$pkgver-$pkgrel" 'perl' 'python-yaml' 'python-psutil' 'python-pygments' 'libxml2' 'zstd' 'libedit' 'libffi')
    optdepends=('python-setuptools: for using lit (LLVM Integrated Tester)')
    provides=("llvm=$pkgver")
    replaces=('llvm-svn')
    conflicts=('llvm' 'llvm-svn')

    _fakeinstall fakeinstall/usr/bin
    _fakeinstall fakeinstall/usr/include/llvm*
    _fakeinstall fakeinstall/usr/lib
    _fakeinstall fakeinstall/usr/share

    # Include lit for running lit-based tests in other projects
    pushd "$srcdir"/llvm-project/llvm/utils/lit
    python3 setup.py install --root="$pkgdir" -O1
    popd

    cp "$pkgdir"/usr/bin/lit "$pkgdir"/usr/bin/llvm-lit
    # Remove documentation sources
    rm -rf "$pkgdir"/usr/share/doc/llvm/html/{_sources,.buildinfo}
    # Remove libs which conflict with llvm-libs
    rm -f "$pkgdir"/usr/lib/{libLLVM,libLTO,LLVMgold,libRemarks}.so
    rm -f "$pkgdir"/usr/lib/python3.8/site-packages/six.py
    # remove spirv-headers files
    rm -rf fakeinstall/usr/include/spirv
    rm -rf fakeinstall/usr/share/cmake/SPIRV-Headers

    if [[ $CARCH == x86_64 ]]; then
        # Needed for multilib (https://bugs.archlinux.org/task/29951)
        # Header stub is taken from Fedora
        mv "$pkgdir/usr/include/llvm/Config/llvm-config"{,-64}.h
        cp "$srcdir/llvm-config.h" "$pkgdir/usr/include/llvm/Config/llvm-config.h"
    fi

    install -Dm644 "$srcdir"/llvm-project/llvm/LICENSE.TXT "$pkgdir/usr/share/licenses/$pkgname/LICENSE"
}