[new-package] llvm-20 20.1.8

This is required for the upcoming python-llvmlite 0.45.0 and for rebuilding OpenShadingLanguage which doesn't support LLVM-21

mingw-w64-llvm-20/0001-Fix-GetHostTriple-for-mingw-w64-in-msys.patch

@@ -0,0 +1,24 @@
+From b47a00af69f3c662e54dc54e482fc9b0d4ba6480 Mon Sep 17 00:00:00 2001
+From: Martell Malone <martellmalone@gmail.com>
+Date: Sun, 28 Jun 2015 20:14:51 +0100
+Subject: [PATCH 2/5] Fix GetHostTriple for mingw-w64 in msys
+
+---
+ cmake/modules/GetHostTriple.cmake | 4 ++--
+ 1 file changed, 2 insertions(+), 2 deletions(-)
+
+diff --git a/cmake/modules/GetHostTriple.cmake b/cmake/modules/GetHostTriple.cmake
+index 0cad1db4eff..47e9f986e15 100644
+--- a/cmake/modules/GetHostTriple.cmake
++++ b/cmake/modules/GetHostTriple.cmake
+@@ -16,7 +16,7 @@
+     else()
+       set( value "i686-pc-windows-msvc" )
+     endif()
+-  elseif( MINGW AND NOT MSYS )
++  elseif( MINGW )
+     # CMake doesn't provide COMPILER_ARCHITECTURE_ID for Clang/GCC,
+     # but it does for MSVC.
+     if( CMAKE_HOST_SYSTEM_PROCESSOR MATCHES "ARM.*" )
+2.13.3
+

mingw-w64-llvm-20/0002-Fix-Findzstd-on-MINGW.patch

@@ -0,0 +1,34 @@
+--- llvm/cmake/modules/Findzstd.cmake.orig	2024-09-17 13:26:36.000000000 +0200
++++ llvm/cmake/modules/Findzstd.cmake	2024-09-29 13:19:16.980962300 +0200
+@@ -16,6 +16,8 @@
+   set(zstd_STATIC_LIBRARY_SUFFIX "\\${CMAKE_STATIC_LIBRARY_SUFFIX}$")
+ endif()
+ 
++find_package(zstd CONFIG QUIET)
++if(NOT zstd_FOUND)
+ find_path(zstd_INCLUDE_DIR NAMES zstd.h)
+ find_library(zstd_LIBRARY NAMES zstd zstd_static)
+ find_library(zstd_STATIC_LIBRARY NAMES
+@@ -27,17 +29,18 @@
+     zstd DEFAULT_MSG
+     zstd_LIBRARY zstd_INCLUDE_DIR
+ )
++endif()
+ 
+ if(zstd_FOUND)
+-  if(zstd_LIBRARY MATCHES "${zstd_STATIC_LIBRARY_SUFFIX}$")
++  if(zstd_LIBRARY MATCHES "${zstd_STATIC_LIBRARY_SUFFIX}$" AND NOT MINGW)
+     set(zstd_STATIC_LIBRARY "${zstd_LIBRARY}")
+   elseif (NOT TARGET zstd::libzstd_shared)
+     add_library(zstd::libzstd_shared SHARED IMPORTED)
+-    if(MSVC OR "${CMAKE_CXX_SIMULATE_ID}" STREQUAL "MSVC")
++    if(WIN32)
+       include(GNUInstallDirs) # For CMAKE_INSTALL_LIBDIR and friends.
+       # IMPORTED_LOCATION is the path to the DLL and IMPORTED_IMPLIB is the "library".
+       get_filename_component(zstd_DIRNAME "${zstd_LIBRARY}" DIRECTORY)
+       if(NOT "${CMAKE_INSTALL_LIBDIR}" STREQUAL "" AND NOT "${CMAKE_INSTALL_BINDIR}" STREQUAL "")
+-        string(REGEX REPLACE "${CMAKE_INSTALL_LIBDIR}$" "${CMAKE_INSTALL_BINDIR}" zstd_DIRNAME "${zstd_DIRNAME}")
++        string(REGEX REPLACE "\\${CMAKE_INSTALL_LIBDIR}$" "${CMAKE_INSTALL_BINDIR}" zstd_DIRNAME "${zstd_DIRNAME}")
+       endif()
+       get_filename_component(zstd_BASENAME "${zstd_LIBRARY}" NAME)
+       string(REGEX REPLACE "\\${CMAKE_LINK_LIBRARY_SUFFIX}$" "${CMAKE_SHARED_LIBRARY_SUFFIX}" zstd_BASENAME "${zstd_BASENAME}")

mingw-w64-llvm-20/0003-add-pthread-as-system-lib-for-mingw.patch

@@ -0,0 +1,27 @@
+From 9102055df75457e1194008ce6152221112a785ad Mon Sep 17 00:00:00 2001
+From: Mateusz Mikula <mati865@gmail.com>
+Date: Tue, 14 Mar 2017 17:50:29 +0100
+Subject: [PATCH 5/5] add pthread as system lib for mingw
+
+---
+ lib/Support/CMakeLists.txt | 3 +++
+ 1 file changed, 3 insertions(+)
+
+diff --git a/lib/Support/CMakeLists.txt b/lib/Support/CMakeLists.txt
+index 0a8e3897cce..de9cda5dda3 100644
+--- a/lib/Support/CMakeLists.txt
++++ b/lib/Support/CMakeLists.txt
+@@ -41,6 +41,9 @@ set(system_libs)
+   # libuuid required for FOLDERID_Profile usage in lib/Support/Windows/Path.inc.
+   # advapi32 required for CryptAcquireContextW in lib/Support/Windows/Path.inc.
+   # ntdll required for RtlGetLastNtStatus in lib/Support/ErrorHandling.cpp.
+   set(system_libs ${system_libs} psapi shell32 ole32 uuid advapi32 ws2_32 ntdll)
++  if( MINGW )
++    set(system_libs ${system_libs} pthread)
++  endif()
+ elseif( CMAKE_HOST_UNIX )
+   if( HAVE_LIBRT )
+     set(system_libs ${system_libs} rt)
+-- 
+2.13.3
+

mingw-w64-llvm-20/0004-enable-emutls-for-mingw.patch

@@ -0,0 +1,11 @@
+--- a/include/llvm/TargetParser/Triple.h
++++ b/include/llvm/TargetParser/Triple.h
+@@ -993,7 +993,7 @@
+   /// Note: Android API level 29 (10) introduced ELF TLS.
+   bool hasDefaultEmulatedTLS() const {
+     return (isAndroid() && isAndroidVersionLT(29)) || isOSOpenBSD() ||
+-           isWindowsCygwinEnvironment() || isOHOSFamily();
++           isOSCygMing() || isOHOSFamily();
+   }
+ 
+   /// True if the target supports both general-dynamic and TLSDESC, and TLSDESC

mingw-w64-llvm-20/0101-link-pthread-with-mingw.patch

@@ -0,0 +1,25 @@
+From 9498118b65fa150f074efb52b4507b53434a90ad Mon Sep 17 00:00:00 2001
+From: Mateusz Mikula <mati865@gmail.com>
+Date: Thu, 2 Feb 2017 12:33:51 +0100
+Subject: [PATCH 4/6] link pthread with mingw
+
+---
+ lib/Driver/ToolChains/MinGW.cpp | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/lib/Driver/ToolChains/MinGW.cpp b/lib/Driver/ToolChains/MinGW.cpp
+index 632b76d92b..23da2d6376 100644
+--- a/lib/Driver/ToolChains/MinGW.cpp
++++ b/lib/Driver/ToolChains/MinGW.cpp
+@@ -265,7 +265,7 @@
+       if (Args.hasArg(options::OPT_pg))
+         CmdArgs.push_back("-lgmon");
+ 
+-      if (Args.hasArg(options::OPT_pthread))
++      if (!Args.hasArg(options::OPT_no_pthread))
+         CmdArgs.push_back("-lpthread");
+ 
+       if (Sanitize.needsAsanRt()) {
+-- 
+2.14.1
+

mingw-w64-llvm-20/PKGBUILD

@@ -0,0 +1,264 @@
+# Maintainer: Martell Malone <martellmalone@gmail.com>
+# Maintainer: Alexey Pavlov <alexpux@gmail.com>
+# Contributor: Ray Donnelly <mingw.android@gmail.com>
+# Contributor: Mateusz Mikuła <mati865@gmail.com>
+# Contributor: wirx6 <wirx654@gmail.com>
+# Contributor: Yuui Tanabe <yuuitanabe@163.com>
+# Contributor: Oscar Fuentes <ofv@wanadoo.es>
+# Contributor: Adrian Pop <adrian.pop@liu.se>
+
+if [[ $MINGW_PACKAGE_PREFIX == *-clang-* ]]; then
+  _clangprefix=1
+fi
+
+_realname=llvm
+pkgbase=mingw-w64-${_realname}-20
+pkgname=("${MINGW_PACKAGE_PREFIX}-llvm-20"
+         "${MINGW_PACKAGE_PREFIX}-clang-20"
+         "${MINGW_PACKAGE_PREFIX}-compiler-rt-20")
+_pkgver=20.1.8
+pkgver=${_pkgver/-/}
+pkgrel=1
+pkgdesc="C language family frontend for LLVM (mingw-w64)"
+arch=('any')
+mingw_arch=('mingw64' 'ucrt64' 'clang64' 'clangarm64')
+url="https://llvm.org/"
+msys2_repository_url="https://github.com/llvm/llvm-project"
+license=("spdx:Apache-2.0 WITH LLVM-exception")
+makedepends=("${MINGW_PACKAGE_PREFIX}-cc"
+             "${MINGW_PACKAGE_PREFIX}-cmake"
+             "${MINGW_PACKAGE_PREFIX}-ninja"
+             "${MINGW_PACKAGE_PREFIX}-pkgconf"
+             "${MINGW_PACKAGE_PREFIX}-libunwind"
+             "${MINGW_PACKAGE_PREFIX}-libffi"
+             "${MINGW_PACKAGE_PREFIX}-z3"
+             "${MINGW_PACKAGE_PREFIX}-python"
+             "git"
+             )
+_url=https://github.com/llvm/llvm-project/releases/download/llvmorg-${_pkgver}
+source=("${_url}/llvm-${_pkgver}.src.tar.xz"{,.sig}
+        "${_url}/clang-${_pkgver}.src.tar.xz"{,.sig}
+        "${_url}/compiler-rt-${_pkgver}.src.tar.xz"{,.sig}
+        "${_url}/cmake-${_pkgver}.src.tar.xz"{,.sig}
+        # 0001-0099 -> llvm
+        "0001-Fix-GetHostTriple-for-mingw-w64-in-msys.patch"
+        "0002-Fix-Findzstd-on-MINGW.patch"
+        "0003-add-pthread-as-system-lib-for-mingw.patch"
+        "0004-enable-emutls-for-mingw.patch"
+        # 0101-0199 -> clang
+        "0101-link-pthread-with-mingw.patch"
+        # 0201-0299 -> rt
+        )
+sha256sums=('e1363888216b455184dbb8a74a347bf5612f56a3f982369e1cba6c7e0726cde1'
+            'SKIP'
+            'b7a1b7b0af7b9c7596af6bd46e36d11321926eaa66a7a7dc957ab0a1375ee4b0'
+            'SKIP'
+            '15277402f6fd63397c0917a5c7171cda82d16d226094b828c1ed0f58f73b9c69'
+            'SKIP'
+            '3319203cfd1172bbac50f06fa68e318af84dcb5d65353310c0586354069d6634'
+            'SKIP'
+            'eb03df53671df6627768141b3aaa76abe176a14e5e47911c97bec544387c4aff'
+            '7cdf15c7e9c13ab99c42b4fafb15d871b22558f751729bb7173ce3edeffc8db8'
+            '790eb0fccb4ef29c3795bceb8a62c8f4ecd0bdd6c49b2812352b04cfbc552342'
+            '76d2a88733cebb1f01b766ff2ab91a9e095bae1d2e4cc18c1ffcf21fd095efc4'
+            '715cb8862753854b2d9256e0b70003e2d1f57083d83eaeaf5a095fc72b8a4e26')
+validpgpkeys=('B6C8F98282B944E3B0D5C2530FC3042E345AD05D'  # Hans Wennborg, Google.
+              '474E22316ABF4785A88C6E8EA2C794A986419D8A'  # Tom Stellard
+              'D574BD5D1D0E98895E3BF90044F2485E45D59042') # Tobias Hieta
+noextract=(clang-${_pkgver}.src.tar.xz)
+
+apply_patch_with_msg() {
+  for _patch in "$@"
+  do
+    msg2 "Applying ${_patch}"
+    patch -Nbp1 -i "${srcdir}/${_patch}"
+  done
+}
+
+prepare() {
+  cd "${srcdir}"
+  plain "Extracting clang-${_pkgver}.src.tar.xz due to symlink(s) without pre-existing target(s)"
+  tar -xJf "${srcdir}"/clang-${_pkgver}.src.tar.xz -C "${srcdir}" || true
+
+  # Rename Directories
+  for pkg in llvm clang compiler-rt cmake; do
+    mv ${pkg}-${_pkgver}.src ${pkg}
+  done
+
+  # Patch llvm
+  cd "${srcdir}"/llvm
+  apply_patch_with_msg \
+    "0001-Fix-GetHostTriple-for-mingw-w64-in-msys.patch" \
+    "0002-Fix-Findzstd-on-MINGW.patch"
+
+  if (( ! _clangprefix )); then
+    apply_patch_with_msg \
+      "0003-add-pthread-as-system-lib-for-mingw.patch" \
+      "0004-enable-emutls-for-mingw.patch"
+  fi
+
+  # Patch clang
+  cd "${srcdir}"/clang
+
+  if (( ! _clangprefix )); then
+    apply_patch_with_msg \
+      "0101-link-pthread-with-mingw.patch"
+  fi
+
+  # Patch compiler-rt
+  cd "${srcdir}"/compiler-rt
+
+  # Patch whole tree
+  cd "${srcdir}"
+}
+
+build() {
+  local -a platform_config
+  local -a common_cmake_args
+
+  # Include location of libffi headers in CPPFLAGS
+  FFI_INCLUDE_DIR="$(pkg-config --cflags libffi)"
+  FFI_INCLUDE_DIR=$(echo $FFI_INCLUDE_DIR | sed 's|-I||g')
+
+  if check_option "debug" "y"; then
+    common_cmake_args+=(-DCMAKE_BUILD_TYPE=Debug
+                        -DLLVM_ENABLE_ASSERTIONS=ON)
+    VERBOSE="VERBOSE=1"
+  else
+    common_cmake_args+=(-DCMAKE_BUILD_TYPE=Release
+                        -DLLVM_ENABLE_ASSERTIONS=OFF
+                        -DLLVM_ENABLE_DUMP=ON)
+  fi
+  common_cmake_args+=(-Wno-dev
+    -DCMAKE_INSTALL_PREFIX=${MINGW_PREFIX}/opt/llvm-20
+    -DCMAKE_SYSTEM_IGNORE_PATH=/usr/lib
+    -DLLVM_HOST_TRIPLE="${CARCH}-w64-windows-gnu"
+    -DLLVM_BUILD_STATIC=ON
+    -DLLVM_BUILD_LLVM_DYLIB=OFF
+    -DLLVM_LINK_LLVM_DYLIB=OFF
+    -DLLVM_ENABLE_FFI=ON
+    -DLLVM_ENABLE_THREADS=ON
+    -DLLVM_INCLUDE_EXAMPLES=OFF
+    -DLLVM_INCLUDE_BENCHMARKS=OFF
+    -DLLVM_INCLUDE_TESTS=OFF
+    -DPython3_EXECUTABLE=${MINGW_PREFIX}/bin/python.exe
+    -DFFI_INCLUDE_DIR="${FFI_INCLUDE_DIR}")
+
+  if (( _clangprefix )); then
+    platform_config+=(
+      -DLLVM_ENABLE_LIBCXX=ON
+      -DLLVM_ENABLE_LLD=ON
+      -DCLANG_DEFAULT_LINKER=lld
+      -DCLANG_DEFAULT_RTLIB=compiler-rt
+      -DCLANG_DEFAULT_UNWINDLIB=libunwind
+      -DCLANG_DEFAULT_CXX_STDLIB=libc++
+      -DCOMPILER_RT_USE_BUILTINS_LIBRARY=ON
+    )
+  fi
+
+  local _projects="clang;compiler-rt"
+
+  case "${CARCH}" in
+    x86_64|i?86)
+      platform_config+=(-DCOMPILER_RT_BUILD_SANITIZERS=$( (( _clangprefix )) && echo "ON" || echo "OFF"))
+      ;;
+    armv7|aarch64)
+      platform_config+=(
+        -DCOMPILER_RT_BUILD_MEMPROF=OFF
+        -DCOMPILER_RT_BUILD_SANITIZERS=OFF
+        -DCOMPILER_RT_BUILD_XRAY=OFF
+      )
+      ;;
+  esac
+
+  platform_config+=(-DLLVM_TARGETS_TO_BUILD="AArch64;ARM;RISCV;X86")
+
+  mkdir -p "${srcdir}"/build-${MSYSTEM} && cd "${srcdir}"/build-${MSYSTEM}
+
+  MSYS2_ARG_CONV_EXCL="-DCMAKE_INSTALL_PREFIX=" \
+  ${MINGW_PREFIX}/bin/cmake.exe \
+    -GNinja \
+    -DLLVM_ENABLE_PROJECTS="${_projects}" \
+    -DLLVM_ENABLE_RTTI=ON \
+    -DLLVM_INSTALL_UTILS=ON \
+    -DLIBCLANG_BUILD_STATIC=ON \
+    -DLLD_DEFAULT_LD_LLD_IS_MINGW=ON \
+    "${common_cmake_args[@]}" \
+    "${platform_config[@]}" \
+    ../llvm
+
+  ${MINGW_PREFIX}/bin/cmake.exe --build .
+}
+
+package_clang-20() {
+  pkgdesc="C language family frontend for LLVM - 20 (mingw-w64)"
+  url="https://clang.llvm.org/"
+  depends=("${MINGW_PACKAGE_PREFIX}-llvm-20"
+           "${MINGW_PACKAGE_PREFIX}-compiler-rt-20" \
+           "${MINGW_PACKAGE_PREFIX}-zstd" \
+           $( ((_clangprefix)) && echo \
+             "${MINGW_PACKAGE_PREFIX}-crt" \
+             "${MINGW_PACKAGE_PREFIX}-headers" \
+             "${MINGW_PACKAGE_PREFIX}-lld" \
+             "${MINGW_PACKAGE_PREFIX}-winpthreads" \
+             || echo "${MINGW_PACKAGE_PREFIX}-gcc"))
+
+  DESTDIR="${pkgdir}" ${MINGW_PREFIX}/bin/cmake --install "${srcdir}"/build-${MSYSTEM}/tools/clang
+
+  install -Dm644 "${srcdir}"/clang/LICENSE.TXT \
+    "${pkgdir}"${MINGW_PREFIX}/opt/llvm-20/share/licenses/clang/LICENSE
+}
+
+package_compiler-rt-20() {
+  pkgdesc="Runtime libraries for Clang and LLVM -20 (mingw-w64)"
+  url="https://compiler-rt.llvm.org/"
+  depends=("${MINGW_PACKAGE_PREFIX}-cc-libs")
+
+  DESTDIR="${pkgdir}" ${MINGW_PREFIX}/bin/cmake --install "${srcdir}"/build-${MSYSTEM}/projects/compiler-rt
+  mkdir -p "${pkgdir}"${MINGW_PREFIX}/opt/llvm-20/bin/
+  find "${pkgdir}"${MINGW_PREFIX}/opt/llvm-20/lib/clang/${pkgver%.[0-9].*}/lib/windows/ \
+    -name '*.dll' -exec mv '{}' "${pkgdir}"${MINGW_PREFIX}/opt/llvm-20/bin/ \;
+  # remove bin dir we created if it is still empty
+  rmdir "${pkgdir}"${MINGW_PREFIX}/opt/llvm-20/bin/ 2>/dev/null || true
+
+  install -Dm644 "${srcdir}"/compiler-rt/LICENSE.TXT \
+    "${pkgdir}"${MINGW_PREFIX}/opt/llvm-20/share/licenses/compiler-rt/LICENSE
+}
+
+package_llvm-20() {
+  pkgdesc="Low Level Virtual Machine -20 (mingw-w64)"
+  depends=("${MINGW_PACKAGE_PREFIX}-zstd")
+
+  # Disable automatic installation of components that go into subpackages
+  # -i.orig to check what has been removed in-case it starts dropping more than it should
+  sed -i.orig '/clang\/cmake_install.cmake/d' build-${MSYSTEM}/tools/cmake_install.cmake
+  sed -i.orig '/compiler-rt\/cmake_install.cmake/d' build-${MSYSTEM}/projects/cmake_install.cmake
+
+  DESTDIR="${pkgdir}" ${MINGW_PREFIX}/bin/cmake --install build-${MSYSTEM}
+
+  install -Dm644 "${srcdir}"/llvm/LICENSE.TXT \
+    "${pkgdir}"${MINGW_PREFIX}/opt/llvm-20/share/licenses/llvm/LICENSE
+
+  # Install CMake stuff
+  install -d "${pkgdir}"${MINGW_PREFIX}/opt/llvm-20/share/llvm/cmake/{modules,platforms}
+  install -Dm644 "${srcdir}"/llvm/cmake/modules/*.cmake \
+    "${pkgdir}"${MINGW_PREFIX}/opt/llvm-20/share/llvm/cmake/modules/
+  install -Dm644 "${srcdir}"/llvm/cmake/platforms/*.cmake \
+    "${pkgdir}"${MINGW_PREFIX}/opt/llvm-20/share/llvm/cmake/platforms/
+
+  # fix cmake files.
+  local PREFIX_WIN=$(cygpath -wm ${MINGW_PREFIX})
+  sed -e "s|${PREFIX_WIN}|${MINGW_PREFIX}|g" \
+    -i "${pkgdir}"/${MINGW_PREFIX}/opt/llvm-20/lib/cmake/llvm/LLVMExports.cmake
+}
+
+# template start; name=mingw-w64-splitpkg-wrappers; version=1.0;
+# vim: set ft=bash :
+
+# generate wrappers
+for _name in "${pkgname[@]}"; do
+  _short="package_${_name#${MINGW_PACKAGE_PREFIX}-}"
+  _func="$(declare -f "${_short}")"
+  eval "${_func/#${_short}/package_${_name}}"
+done
+# template end;