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# Maintainer: Tarn W. Burton <twburton@gmail.com>

pkgname=('llvm13')
pkgver=13.r5140.g972b6a3a3471
pkgrel=1
pkgdesc="Low Level Virtual Machine 13 for clasp"
arch=('x86_64')
url="https://llvm.org/"
license=('custom:Apache 2.0 with LLVM Exception')
depends=('binutils')
makedepends=('cmake' 'libffi-dev' 'libedit-dev' 'libncurses-dev' 'libxml2-dev' 'binutils-dev' 'python3-distutils')
options=('staticlibs')
source=("llvm-project::git+https://github.com/llvm/llvm-project.git#commit=972b6a3a3471c2a742c5c5d8ec004ff640d544c4")
md5sums=('SKIP')
sha512sums=('SKIP')


#pkgver() {
#  if [ -d "llvm-project" ]; then
#    cd llvm-project
#    git describe --long | sed 's/\([^-]*-g\)/r\1/;s/-/./g' | sed -E 's/[a-z]+\.//g'
#  else
#    echo $pkgver
#  fi
#}

build() {
  sed -i 's/::lldb_private::Timer _scoped_timer(_cat, LLVM_PRETTY_FUNCTION)/::lldb_private::Timer _scoped_timer(_cat, "%s", LLVM_PRETTY_FUNCTION)/g' llvm-project/lldb/include/lldb/Utility/Timer.h

  mkdir -p build
  cd build

  cmake -G "Unix Makefiles" \
  -DLLVM_BINUTILS_INCDIR=/usr/local/opt/binutils/include \
  -DLLVM_ABI_BREAKING_CHECKS=FORCE_OFF \
  -DLINK_POLLY_INTO_TOOLS=ON \
  -DLLVM_BUILD_EXTERNAL_COMPILER_RT=ON \
  -DLLVM_BUILD_LLVM_DYLIB=ON \
  -DLLVM_ENABLE_ASSERTIONS=ON \
  -DLLVM_ENABLE_EH=ON \
  -DLLVM_ENABLE_FFI=ON \
  -DLLVM_ENABLE_LIBCXX=ON \
  -DLLVM_ENABLE_RTTI=ON \
  -DLLVM_INCLUDE_DOCS=OFF \
  -DLLVM_INSTALL_UTILS=ON \
  -DLLVM_OPTIMIZED_TABLEGEN=ON \
  -DLLVM_TARGETS_TO_BUILD=X86 \
  -DLLVM_ENABLE_PROJECTS=clang\;compiler-rt\;libcxxabi\;libcxx\;lldb \
  -DCMAKE_BUILD_TYPE=Release \
  -DWITH_POLLY=ON \
  -DCMAKE_INSTALL_PREFIX=/opt/llvm13 \
  ../llvm-project/llvm

  make -j 4
}

package() {
  cd build
  DESTDIR="$pkgdir" make -j 4 install
  mkdir -p "$pkgdir/etc/ld.so.conf.d/"
  echo "/opt/llvm13/lib" > "$pkgdir/etc/ld.so.conf.d/70-llvm13.conf"
}