From 3c9d13358f2fe219b9e2bd12ae2d959bc026f580 Mon Sep 17 00:00:00 2001
From: Kevin Mihelich <kevin@archlinuxarm.org>
Date: Sat, 6 Jul 2024 01:46:45 +0000
Subject: [PATCH] added extra/llvm17

---
 extra/llvm17/PKGBUILD | 139 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 139 insertions(+)
 create mode 100644 extra/llvm17/PKGBUILD

diff --git a/extra/llvm17/PKGBUILD b/extra/llvm17/PKGBUILD
new file mode 100644
index 000000000..387f17853
--- /dev/null
+++ b/extra/llvm17/PKGBUILD
@@ -0,0 +1,139 @@
+# Maintainer: Evangelos Foutras <foutrelis@archlinux.org>
+# Contributor: Jan "heftig" Steffens <jan.steffens@gmail.com>
+
+# ALARM: Kevin Mihelich <kevin@archlinuxarm.org>
+#  - llvm17 version
+
+pkgname=('llvm17' 'llvm17-libs')
+pkgver=17.0.6
+pkgrel=1
+arch=('x86_64')
+url="https://llvm.org/"
+license=('custom:Apache 2.0 with LLVM Exception')
+makedepends=('cmake' 'ninja' 'zlib' 'zstd' 'libffi' 'libedit' 'ncurses'
+             'libxml2' 'python')
+checkdepends=('python-psutil')
+options=('staticlibs' '!lto') # https://github.com/llvm/llvm-project/issues/57740
+_source_base=https://github.com/llvm/llvm-project/releases/download/llvmorg-$pkgver
+source=($_source_base/llvm-$pkgver.src.tar.xz{,.sig}
+        $_source_base/cmake-$pkgver.src.tar.xz{,.sig}
+        $_source_base/third-party-$pkgver.src.tar.xz{,.sig})
+sha256sums=('b638167da139126ca11917b6880207cc6e8f9d1cbb1a48d87d017f697ef78188'
+            'SKIP'
+            '807f069c54dc20cb47b21c1f6acafdd9c649f3ae015609040d6182cab01140f4'
+            'SKIP'
+            '3054d0a9c9375dab1a4539cc2cc45ab340341c5d71475f9599ba7752e222947b'
+            'SKIP')
+validpgpkeys=('474E22316ABF4785A88C6E8EA2C794A986419D8A') # Tom Stellard <tstellar@redhat.com>
+
+# Utilizing LLVM_DISTRIBUTION_COMPONENTS to avoid
+# installing static libraries; inspired by Gentoo
+_get_distribution_components() {
+  local target
+  ninja -t targets | grep -Po 'install-\K.*(?=-stripped:)' | while read -r target; do
+    case $target in
+      llvm-libraries|distribution)
+        continue
+        ;;
+      # shared libraries
+      LLVM|LLVMgold)
+        ;;
+      # libraries needed for clang-tblgen
+      LLVMDemangle|LLVMSupport|LLVMTableGen)
+        ;;
+      # exclude static libraries
+      LLVM*)
+        continue
+        ;;
+      # exclude llvm-exegesis (doesn't seem useful without libpfm)
+      llvm-exegesis)
+        continue
+        ;;
+    esac
+    echo $target
+  done
+}
+
+prepare() {
+  rename -v -- "-$pkgver.src" '' {cmake,third-party}-$pkgver.src
+  cd llvm-$pkgver.src
+  mkdir build
+}
+
+build() {
+  cd llvm-$pkgver.src/build
+
+  # Build only minimal debug info to reduce size
+  CFLAGS=${CFLAGS/-g /-g1 }
+  CXXFLAGS=${CXXFLAGS/-g /-g1 }
+
+  local cmake_args=(
+    -G Ninja
+    -DCMAKE_BUILD_TYPE=Release
+    -DCMAKE_INSTALL_PREFIX=/usr/lib/llvm17
+    -DCMAKE_SKIP_RPATH=ON
+    -DLLVM_BINUTILS_INCDIR=/usr/include
+    -DLLVM_BUILD_LLVM_DYLIB=ON
+    -DLLVM_BUILD_TESTS=ON
+    -DLLVM_ENABLE_BINDINGS=OFF
+    -DLLVM_ENABLE_FFI=ON
+    -DLLVM_ENABLE_RTTI=ON
+    -DLLVM_HOST_TRIPLE=$CHOST
+    -DLLVM_INCLUDE_BENCHMARKS=OFF
+    -DLLVM_INSTALL_UTILS=ON
+    -DLLVM_LINK_LLVM_DYLIB=ON
+    -DLLVM_USE_PERF=ON
+  )
+
+  cmake .. "${cmake_args[@]}"
+  local distribution_components=$(_get_distribution_components | paste -sd\;)
+  test -n "$distribution_components"
+  cmake_args+=(-DLLVM_DISTRIBUTION_COMPONENTS="$distribution_components")
+
+  cmake .. "${cmake_args[@]}"
+  ninja
+}
+
+check() {
+  cd llvm-$pkgver.src/build
+  LD_LIBRARY_PATH=$PWD/lib ninja check
+}
+
+package_llvm17() {
+  pkgdesc="Compiler infrastructure (LLVM 17)"
+  depends=('llvm17-libs' 'perl')
+
+  cd llvm-$pkgver.src/build
+
+  DESTDIR="$pkgdir" ninja install-distribution
+
+  # The runtime libraries go into llvm17-libs
+  mv -f "$pkgdir"/usr/lib/llvm17/lib/libLLVM-{17,$pkgver}.so "$srcdir/"
+  mv -f "$pkgdir"/usr/lib/llvm17/lib/LLVMgold.so "$srcdir/"
+
+  # Create versioned symlinks from /usr/bin/ to /usr/lib/llvm17/bin/
+  install -d "$pkgdir/usr/bin"
+  local _binary
+  for _binary in "$pkgdir"/usr/lib/llvm17/bin/*; do
+    local _basename=${_binary##*/}
+    ln -s ../lib/llvm17/bin/$_basename "$pkgdir/usr/bin/$_basename-17"
+  done
+
+  install -Dm644 ../LICENSE.TXT "$pkgdir/usr/share/licenses/$pkgname/LICENSE"
+}
+
+package_llvm17-libs() {
+  pkgdesc="LLVM 17 runtime libraries"
+  depends=('gcc-libs' 'zlib' 'libffi' 'libedit' 'ncurses' 'libxml2')
+
+  install -d "$pkgdir/usr/lib/llvm17/lib"
+  cp -P "$srcdir"/libLLVM-{17,$pkgver}.so "$pkgdir/usr/lib/"
+  ln -s ../../libLLVM-17.so "$pkgdir/usr/lib/llvm17/lib/libLLVM-17.so"
+  ln -s ../../libLLVM-17.so "$pkgdir/usr/lib/llvm17/lib/libLLVM-$pkgver.so"
+  cp -P "$srcdir"/LLVMgold.so "$pkgdir/usr/lib/llvm17/lib/"
+
+  install -Dm644 "$srcdir/llvm-$pkgver.src/LICENSE.TXT" \
+    "$pkgdir/usr/share/licenses/$pkgname/LICENSE"
+}
+
+# vim:set ts=2 sw=2 et: