llvm-15.0.4-0.build.sh

#! /bin/bash

PKG=llvm
VERSION=15.0.4
BUILD=0

PREFIX=/pkg/$PKG-$VERSION-$BUILD
if [ -n "$TESTING" ]; then PREFIX=/dev/shm/$PKG-$VERSION-$BUILD ; fi

set -xe
umask 022

BUILD_TMPDIR=/dev/shm/$PKG-$VERSION-$BUILD.build.tmp
test -d $BUILD_TMPDIR && ( chmod -R u+rwx $BUILD_TMPDIR || true ; rm -rf $BUILD_TMPDIR )
mkdir -p $BUILD_TMPDIR/home
export TMPDIR=$BUILD_TMPDIR
export HOME=$BUILD_TMPDIR/home

exec </dev/null

mkdir -p $PREFIX
cat >$PREFIX/profile <<-EOF
    PATH=$PREFIX/bin:\$PATH
    export LD_LIBRARY_PATH=$PREFIX/lib\${LD_LIBRARY_PATH:+:\$LD_LIBRARY_PATH}
    if [ -d $PREFIX/.compatlibs ]; then export LD_LIBRARY_PATH=$PREFIX/.compatlibs\${LD_LIBRARY_PATH:+:\$LD_LIBRARY_PATH} ; fi
EOF
. $PREFIX/profile

export MAKEFLAGS="-j $(nproc)"

BUILDDIR=$PREFIX/build

mkdir -p $BUILDDIR
cd $BUILDDIR

test -e llvmorg-$VERSION.tar.gz || wget https://github.com/llvm/llvm-project/archive/refs/tags/llvmorg-$VERSION.tar.gz
test -d llvm-$VERSION           || (mkdir llvm-$VERSION; tar xvf llvmorg-$VERSION.tar.gz -C llvm-$VERSION --strip-components 1)
cd llvm-$VERSION

mkdir -p build_llvm
cmake \
    -S llvm \
    -B build_llvm \
    -G Ninja \
    -DCMAKE_INSTALL_PREFIX=$PREFIX \
    -DCMAKE_BUILD_TYPE=Debug \
    -DLLVM_BUILD_LLVM_DYLIB=ON \
    -DLLVM_BUILD_TESTS=ON \
    -DLLVM_ENABLE_RTTI=ON \
    -DLLVM_INSTALL_UTILS=ON \
    -DLLVM_LINK_LLVM_DYLIB=ON \
    -DLLVM_TARGETS_TO_BUILD="all" \
    -Wno-dev

ninja -v -C build_llvm
ninja -v -C build_llvm install

mkdir -p build_clang
cmake \
    -S clang \
    -B build_clang \
    -G Ninja \
    -DCMAKE_INSTALL_PREFIX=$PREFIX \
    -DCMAKE_CXX_COMPILER=/usr/bin/clang++ \
    -DCMAKE_BUILD_TYPE=Release \
    -Wno-dev

ninja -v -C build_clang
ninja -v -C build_clang install

mkdir -p build_lld
cmake \
    -S lld \
    -B build_lld \
    -G Ninja \
    -DCMAKE_INSTALL_PREFIX=$PREFIX \
    -DCMAKE_BUILD_TYPE=Release

ninja -v -C build_lld
ninja -v -C build_lld install

exit