12 files changed, 798 insertions, 0 deletions
diff --git a/extra/llvm-17.0.6-x86_64-1_slack15.0.txt b/extra/llvm-17.0.6-x86_64-1_slack15.0.txt
new file mode 100644
index 000000000..0ef492901
--- /dev/null
+++ b/extra/llvm-17.0.6-x86_64-1_slack15.0.txt
@@ -0,0 +1,11 @@
+llvm: llvm (LLVM compiler toolkit)
+llvm:
+llvm: LLVM is a toolkit for the construction of highly optimized compilers,
+llvm: optimizers, and runtime environments.
+llvm:
+llvm: This package also includes the clang frontend for the C family of
+llvm: languages: C, C++, Objective-C, and Objective-C++
+llvm:
+llvm:
+llvm: Homepage: http://llvm.org/
+llvm:
diff --git a/extra/llvm13-compat-13.0.0-x86_64-1_slack15.0.txt b/extra/llvm13-compat-13.0.0-x86_64-1_slack15.0.txt
new file mode 100644
index 000000000..191dd9a7e
--- /dev/null
+++ b/extra/llvm13-compat-13.0.0-x86_64-1_slack15.0.txt
@@ -0,0 +1,11 @@
+llvm13-compat: llvm13-compat (LLVM13 runtime libraries)
+llvm13-compat:
+llvm13-compat: This is a collection of libraries from LLVM13 to provide runtime
+llvm13-compat: support for binaries compiled against them.
+llvm13-compat:
+llvm13-compat:
+llvm13-compat:
+llvm13-compat:
+llvm13-compat:
+llvm13-compat:
+llvm13-compat:
diff --git a/extra/source/llvm/clang.toolchains.i586.triple.diff b/extra/source/llvm/clang.toolchains.i586.triple.diff
new file mode 100644
index 000000000..e51f3cd52
--- /dev/null
+++ b/extra/source/llvm/clang.toolchains.i586.triple.diff
@@ -0,0 +1,10 @@
+--- ./tools/clang/lib/Driver/ToolChains/Gnu.cpp.orig	2022-04-25 22:44:44.000000000 -0500
++++ ./tools/clang/lib/Driver/ToolChains/Gnu.cpp	2022-04-28 13:34:46.834049926 -0500
+@@ -2107,6 +2107,7 @@
+   static const char *const X86Triples[] = {
+       "i586-linux-gnu",      "i686-linux-gnu",        "i686-pc-linux-gnu",
+       "i386-redhat-linux6E", "i686-redhat-linux",     "i386-redhat-linux",
++      "i586-slackware-linux",  "i686-slackware-linux",
+       "i586-suse-linux",     "i686-montavista-linux", "i686-gnu",
+   };
+ 
diff --git a/extra/source/llvm/lldb.32-bit.link.libatomic.diff b/extra/source/llvm/lldb.32-bit.link.libatomic.diff
new file mode 100644
index 000000000..234bcdc72
--- /dev/null
+++ b/extra/source/llvm/lldb.32-bit.link.libatomic.diff
@@ -0,0 +1,14 @@
+--- ./tools/lldb/source/Utility/CMakeLists.txt.orig	2022-06-22 11:46:24.000000000 -0500
++++ ./tools/lldb/source/Utility/CMakeLists.txt	2022-06-27 22:33:56.715179825 -0500
+@@ -19,9 +19,9 @@
+   list(APPEND LLDB_SYSTEM_LIBS ws2_32 rpcrt4)
+ endif ()
+ 
+-if (NOT HAVE_CXX_ATOMICS64_WITHOUT_LIB )
++#if (NOT HAVE_CXX_ATOMICS64_WITHOUT_LIB )
+     list(APPEND LLDB_SYSTEM_LIBS atomic)
+-endif()
++#endif()
+ 
+ add_lldb_library(lldbUtility
+   ArchSpec.cpp
diff --git a/extra/source/llvm/llvm.SlackBuild b/extra/source/llvm/llvm.SlackBuild
new file mode 100755
index 000000000..6e353f168
--- /dev/null
+++ b/extra/source/llvm/llvm.SlackBuild
@@ -0,0 +1,339 @@
+#!/bin/bash
+
+# Slackware build script for llvm
+
+# Copyright 2008-2016 Heinz Wiesinger, Amsterdam, The Netherlands
+# Copyright 2012, 2013, 2014, 2015, 2016, 2018, 2019, 2020, 2021, 2022, 2023, 2024  Patrick J. Volkerding, Sebeka, MN, USA
+# All rights reserved.
+#
+# Redistribution and use of this script, with or without modification, is
+# permitted provided that the following conditions are met:
+#
+# 1. Redistributions of this script must retain the above copyright
+#    notice, this list of conditions and the following disclaimer.
+#
+# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ''AS IS'' AND ANY EXPRESS OR IMPLIED
+# WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+# MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
+# EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+# OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+# WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+# OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+# ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+cd $(dirname $0) ; CWD=$(pwd)
+
+PKGNAM=llvm
+VERSION=${VERSION:-$(echo llvm-*.tar.xz | rev | cut -f 4- -d . | cut -f 1 -d - | rev)}
+BUILD=${BUILD:-1_slack15.0}
+
+# For the two options below, either set both to OFF or *only one* to ON:
+
+# Build using -DLLVM_BUILD_LLVM_DYLIB=ON -DLLVM_LINK_LLVM_DYLIB=ON -DCLANG_LINK_CLANG_DYLIB=ON:
+# This is the upstream recommended way to build LLVM with shared libraries and
+# seems to be the way to go these days.
+LLVM_BUILD_LLVM_DYLIB=${LLVM_BUILD_LLVM_DYLIB:=ON}
+
+# Build using -DBUILD_SHARED_LIBS=ON.
+# We used this for years here to get a smaller LLVM package, but it no longer
+# works. Feel free to try it, but expect breakage.
+BUILD_SHARED_LIBS=${BUILD_SHARED_LIBS:=OFF}
+
+NUMJOBS=${NUMJOBS:-" -j$(expr $(nproc) + 1) "}
+
+if [ -z "$ARCH" ]; then
+  case "$( uname -m )" in
+    i?86) ARCH=i586 ;;
+    arm*) ARCH=arm ;;
+       *) ARCH=$( uname -m ) ;;
+  esac
+fi
+
+# If the variable PRINT_PACKAGE_NAME is set, then this script will report what
+# the name of the created package would be, and then exit. This information
+# could be useful to other scripts.
+if [ ! -z "${PRINT_PACKAGE_NAME}" ]; then
+  echo "$PKGNAM-$VERSION-$ARCH-$BUILD.txz"
+  exit 0
+fi
+
+TMP=${TMP:-/tmp}
+PKG=$TMP/package-$PKGNAM
+BUILDDIR=${TMP}/llvm-build-${VERSION}
+
+# Ignore that which should be ignored to avoid long build times and
+# massive warning spew:
+IGNORE_GNU_EXTENSIONS=${IGNORE_GNU_EXTENSIONS:--Wno-unknown-warning-option -Wno-gnu-line-marker -Wno-gnu-anonymous-struct -Wno-gnu-include-next}
+
+if [ "$ARCH" = "i586" ]; then
+  SLKCFLAGS="-O2 -march=i586 -mtune=i686 $IGNORE_GNU_EXTENSIONS"
+  LIBDIRSUFFIX=""
+elif [ "$ARCH" = "i686" ]; then
+  SLKCFLAGS="-O2 -march=i686 -mtune=i686 $IGNORE_GNU_EXTENSIONS"
+  LIBDIRSUFFIX=""
+elif [ "$ARCH" = "x86_64" ]; then
+  SLKCFLAGS="-O2 -fPIC $IGNORE_GNU_EXTENSIONS"
+  LIBDIRSUFFIX="64"
+else
+  SLKCFLAGS="-O2 $IGNORE_GNU_EXTENSIONS"
+  LIBDIRSUFFIX=""
+fi
+
+# Building clangd will be determined automatically unless BUILD_CLANG is
+# preset to YES or NO:
+if [ -z $BUILD_CLANGD ]; then
+  if [ "$ARCH" = "i586" -o "$ARCH" = "i686" ]; then
+    BUILD_CLANGD=NO
+  else
+    BUILD_CLANGD=YES
+  fi
+fi
+if [ "$BUILD_CLANGD" = "NO" ]; then
+  CLANGD="-DCLANG_ENABLE_CLANGD=OFF"
+fi
+
+# Python2 short version:
+PY2=$(python -c 'from distutils.sysconfig import get_python_lib; print(get_python_lib())' | cut -f 2 -d n | cut -f 1 -d /)
+# Python3 short version:
+PY3=$(python3 -c 'from distutils.sysconfig import get_python_lib; print(get_python_lib())' | cut -f 2 -d n | cut -f 1 -d /)
+
+# Sadly, glibc-2.30 exposed some sort of problem with clang and icecream.
+# The symptom is a compile failure that says none of the types in
+# <linux/types.h> are defined, even though they are. gcc/g++ seem unaffected.
+# For now, not much choice other than to disable this.
+# Don't use icecream:
+#PATH=$(echo $PATH | sed "s|/usr/libexec/icecc/bin||g" | tr -s : | sed "s/^://g" | sed "s/:$//g")
+
+rm -rf $PKG $BUILDDIR
+mkdir -p $TMP $PKG $BUILDDIR
+cd $BUILDDIR
+
+# Add a fake configure script so the cleanup script used here at Slackware
+# knows to delete this stuff later. Other folks can just ignore this... it
+# doesn't have any other purpose.
+touch configure
+chmod 755 configure
+
+# Extract and rename some support files:
+echo "Extracting $CWD/cmake-$VERSION.src.tar.xz..."
+tar xf $CWD/cmake-$VERSION.src.tar.xz || exit 1
+mv cmake-$VERSION.src cmake
+echo "Extracting $CWD/third-party-$VERSION.src.tar.xz..."
+tar xf $CWD/third-party-$VERSION.src.tar.xz || exit 1
+mv third-party-$VERSION.src third-party
+
+rm -rf $PKGNAM-${VERSION}.src $PKGNAM-${VERSION}
+echo "Extracting $CWD/$PKGNAM-$VERSION.src.tar.xz..."
+tar xf $CWD/$PKGNAM-$VERSION.src.tar.xz || exit 1
+
+cd $PKGNAM-${VERSION}.src/tools || cd $PKGNAM-${VERSION}/tools || exit 1
+  echo "Extracting $CWD/clang-$VERSION.src.tar.xz..."
+  tar xf $CWD/clang-$VERSION.src.tar.xz || exit 1
+  mv clang-${VERSION} clang 2>/dev/null || mv clang-${VERSION}.src clang || exit 1
+  #echo "Extracting $CWD/flang-$VERSION.src.tar.xz..."
+  #tar xf $CWD/flang-$VERSION.src.tar.xz || exit 1
+  #mv flang-${VERSION} flang 2>/dev/null || mv flang-${VERSION}.src flang || exit 1
+  echo "Extracting $CWD/lldb-$VERSION.src.tar.xz..."
+  tar xf $CWD/lldb-$VERSION.src.tar.xz || exit 1
+  mv lldb-${VERSION} lldb 2>/dev/null || mv lldb-${VERSION}.src lldb || exit 1
+  echo "Extracting $CWD/lld-$VERSION.src.tar.xz..."
+  tar xf $CWD/lld-$VERSION.src.tar.xz || exit 1
+  mv lld-${VERSION} lld 2>/dev/null || mv lld-${VERSION}.src lld || exit 1
+cd ../
+
+cd tools/clang/tools || exit 1
+  echo "Extracting $CWD/clang-tools-extra-$VERSION.src.tar.xz..."
+  tar xf $CWD/clang-tools-extra-$VERSION.src.tar.xz || exit 1
+  mv clang-tools-extra-${VERSION} extra 2>/dev/null \
+    || mv clang-tools-extra-${VERSION}.src extra || exit 1
+cd ../../../
+
+cd projects || exit 1
+  echo "Extracting $CWD/compiler-rt-$VERSION.src.tar.xz..."
+  tar xf $CWD/compiler-rt-$VERSION.src.tar.xz || exit 1
+  mv compiler-rt-${VERSION} compiler-rt 2>/dev/null || mv compiler-rt-${VERSION}.src compiler-rt || exit 1
+  echo "Extracting $CWD/openmp-$VERSION.src.tar.xz..."
+  tar xf $CWD/openmp-$VERSION.src.tar.xz || exit 1
+  mv openmp-${VERSION} openmp 2>/dev/null || mv openmp-${VERSION}.src openmp || exit 1
+  echo "Extracting $CWD/libcxx-${VERSION}.src.tar.xz..."
+  tar xf $CWD/libcxx-${VERSION}.src.tar.xz || exit 1
+  mv libcxx-${VERSION} libcxx 2>/dev/null || mv libcxx-${VERSION}.src libcxx || exit 1
+  echo "Extracting $CWD/libcxxabi-${VERSION}.src.tar.xz..."
+  tar xf $CWD/libcxxabi-${VERSION}.src.tar.xz || exit 1
+  mv libcxxabi-${VERSION} libcxxabi 2>/dev/null || mv libcxxabi-${VERSION}.src libcxxabi || exit 1
+  echo "Extracting $CWD/polly-$VERSION.src.tar.xz..."
+  tar xf $CWD/polly-$VERSION.src.tar.xz || exit 1
+  mv polly-${VERSION} polly 2>/dev/null || mv polly-${VERSION}.src polly || exit 1
+  # We just need a header file from this...
+  echo "Extracting $CWD/libunwind-${VERSION}.src.tar.xz..."
+  tar xf $CWD/libunwind-${VERSION}.src.tar.xz || exit 1
+  mv libunwind-${VERSION}.src libunwind || mv libunwind-${VERSION} libunwind || exit 1
+cd ../
+
+# Support GCC built for i586-slackware-linux:
+zcat $CWD/clang.toolchains.i586.triple.diff.gz | patch -p1 --verbose || exit 1
+
+# We require libatomic on 32-bit platforms:
+if [ -f ./tools/lldb/source/Utility/CMakeLists.txt ]; then
+  if [ "$ARCH" = "i586" -o "$ARCH" = "i686" ]; then
+    zcat $CWD/lldb.32-bit.link.libatomic.diff.gz | patch -p1 --verbose || exit 1
+  fi
+fi
+
+# These files are not present for some reason, but they were found in a git
+# pull of the entire project:
+cp -a $CWD/missing-runtime-modules/*.cmake ../cmake/Modules/
+
+# These hackish links seem to be required...
+cd ..
+ln -sf */runtimes .
+cd -
+cd projects
+ln -sf ../../cmake .
+cd -
+
+chown -R root:root .
+find . \
+  \( -perm 777 -o -perm 775 -o -perm 750 -o -perm 711 -o -perm 555 -o -perm 511 \) \
+  -exec chmod 755 {} \+ -o \
+  \( -perm 666 -o -perm 664 -o -perm 640 -o -perm 600 -o -perm 444 -o -perm 440 -o -perm 400 \) \
+  -exec chmod 644 {} \+
+
+# Collect shared library options. If both of the configurable options are set
+# to ON, the last one we check will be the one we use.
+if [ "$BUILD_SHARED_LIBS" = "ON" ]; then
+  SHARED_LIBRARY_OPTIONS="-DBUILD_SHARED_LIBS=ON"
+fi
+if [ "$LLVM_BUILD_LLVM_DYLIB" = "ON" ]; then
+  SHARED_LIBRARY_OPTIONS="-DLLVM_BUILD_LLVM_DYLIB=ON -DLLVM_LINK_LLVM_DYLIB=ON -DCLANG_LINK_CLANG_DYLIB=ON"
+fi
+
+if [ -x /usr/bin/lld ]; then
+  LINKER_OPTIONS="-DLLVM_USE_LINKER=lld"
+fi
+
+mkdir build
+cd build
+  mkdir include
+  # Copy this LLVM libunwind header or it won't be found:
+  cp -a ../projects/libunwind/include/mach-o include
+  # Nuke LLVM libunwind as it conflicts with the one already on the system:
+  rm -r ../projects/libunwind
+  cmake -GNinja \
+    -DCMAKE_C_COMPILER="clang" \
+    -DCMAKE_CXX_COMPILER="clang++" \
+    -DCMAKE_C_FLAGS:STRING="$SLKCFLAGS" \
+    -DCMAKE_CXX_FLAGS:STRING="$SLKCFLAGS" \
+    -DCMAKE_INSTALL_PREFIX=/usr \
+    -DLLVM_LIBDIR_SUFFIX=${LIBDIRSUFFIX} \
+    -DLIBCXX_LIBDIR_SUFFIX=${LIBDIRSUFFIX} \
+    -DLIBCXXABI_LIBDIR_SUFFIX=${LIBDIRSUFFIX} \
+    -DCMAKE_BUILD_TYPE=Release \
+    $SHARED_LIBRARY_OPTIONS \
+    $LINKER_OPTIONS \
+    -DLLVM_ENABLE_RTTI=ON \
+    -DLLVM_ENABLE_FFI=ON \
+    -DLLVM_ENABLE_ZLIB=ON \
+    -DLLVM_ENABLE_ASSERTIONS=OFF \
+    -DLLVM_ENABLE_PER_TARGET_RUNTIME_DIR=NO \
+    -DLLVM_INSTALL_UTILS=ON \
+    -DLLVM_BINUTILS_INCDIR=/usr/include \
+    -DCLANG_RESOURCE_DIR="../lib${LIBDIRSUFFIX}/clang/$(echo $VERSION | cut -f 1 -d .)" \
+    -DLLVM_TARGETS_TO_BUILD="host;AMDGPU;BPF" \
+    -DLLVM_INCLUDE_BENCHMARKS=OFF \
+    -DLIBCXX_INCLUDE_BENCHMARKS=OFF \
+    -DCOMPILER_RT_BUILD_LIBFUZZER=OFF \
+    -DCLANG_DEFAULT_PIE_ON_LINUX=ON \
+    -DLIBCXX_ENABLE_ABI_LINKER_SCRIPT=ON \
+    $CLANGD \
+    ..  || exit 1
+
+  "${NINJA:=ninja}" $NUMJOBS || exit 1
+  DESTDIR=$PKG "$NINJA" install || exit 1
+cd ..
+
+# Add symlinks for $ARCH-slackware-linux-{clang,clang++}:
+( cd $PKG/usr/bin
+  ln -sf clang $ARCH-slackware-linux-clang
+  ln -sf clang++ $ARCH-slackware-linux-clang++
+)
+
+# Install clang-static-analyzer:
+for i in ccc c++; do
+  ln -s /usr/libexec/$i-analyzer \
+    $PKG/usr/bin/$i-analyzer || exit 1
+done
+
+# Ensure lit-cpuid is installed:
+if [ ! -r $PKG/usr/bin/lit-cpuid ]; then
+  cp -a build/bin/lit-cpuid $PKG/usr/bin/lit-cpuid
+  chown root:root $PKG/usr/bin/lit-cpuid
+  chmod 755 $PKG/usr/bin/lit-cpuid
+fi
+
+# Remove symlink to libgomp, which is already provided by gcc:
+rm -f $PKG/usr/lib$LIBDIRSUFFIX/libgomp.so
+
+# Install Python bindings:
+for pyver in ${PY2} ${PY3}; do
+  mkdir -p "$PKG/usr/lib$LIBDIRSUFFIX/python$pyver/site-packages"
+  cp -a tools/clang/bindings/python/clang "$PKG/usr/lib$LIBDIRSUFFIX/python$pyver/site-packages/"
+done
+
+# Remove bundled python-six:
+rm -f "$PKG/usr/lib$LIBDIRSUFFIX/python${PY2}/site-packages/six.py"
+
+# Compile Python scripts:
+python -m compileall "$PKG/usr/lib$LIBDIRSUFFIX/python${PY2}/site-packages/clang"
+python -O -m compileall "$PKG/usr/lib$LIBDIRSUFFIX/python${PY2}/site-packages/clang"
+python3 -m compileall "$PKG/usr/lib$LIBDIRSUFFIX/python${PY3}/site-packages/clang"
+python3 -O -m compileall "$PKG/usr/lib$LIBDIRSUFFIX/python${PY3}/site-packages/clang"
+python -m compileall "$PKG/usr/lib$LIBDIRSUFFIX/python${PY2}/site-packages/lldb"
+python -O -m compileall "$PKG/usr/lib$LIBDIRSUFFIX/python${PY2}/site-packages/lldb"
+python -m compileall "$PKG/usr/share/scan-view"
+python -O -m compileall "$PKG/usr/share/scan-view"
+python -m compileall "$PKG/usr/share/clang"
+python -O -m compileall "$PKG/usr/share/clang"
+python -m compileall "$PKG/usr/share/opt-viewer"
+python -O -m compileall "$PKG/usr/share/opt-viewer"
+
+# Move man page directory:
+mv $PKG/usr/share/man $PKG/usr/
+
+# Strip binaries:
+( cd $PKG
+  find . | xargs file | grep "executable" | grep ELF | cut -f 1 -d : | xargs strip --strip-unneeded 2> /dev/null
+  find . | xargs file | grep "shared object" | grep ELF | cut -f 1 -d : | xargs strip --strip-unneeded 2> /dev/null
+)
+
+# Compress manual pages:
+find $PKG/usr/man -type f -exec gzip -9 {} \+
+for i in $( find $PKG/usr/man -type l ) ; do
+  ln -s $( readlink $i ).gz $i.gz
+  rm $i
+done
+
+mkdir -p $PKG/usr/doc/$PKGNAM-$VERSION/{clang,lldb,clang-tools-extra,compiler-rt,openmp,polly}
+cp -a CREDITS* LICENSE* README* $PKG/usr/doc/$PKGNAM-$VERSION
+cp -a tools/clang/{INSTALL,LICENSE,NOTES,README}* \
+  $PKG/usr/doc/$PKGNAM-$VERSION/clang
+cp -a tools/lldb/{CODE_OWNERS,INSTALL,LICENSE}* \
+  $PKG/usr/doc/$PKGNAM-$VERSION/lldb
+cp -a tools/clang/tools/extra/{CODE_OWNERS,LICENSE,README}* \
+  $PKG/usr/doc/$PKGNAM-$VERSION/clang-tools-extra
+cp -a projects/compiler-rt/{CODE_OWNERS,CREDITS,LICENSE,README}* \
+  $PKG/usr/doc/$PKGNAM-$VERSION/compiler-rt
+cp -a projects/openmp/{CREDITS,LICENSE}* \
+  $PKG/usr/doc/$PKGNAM-$VERSION/openmp
+cp -a projects/polly/{CREDITS,LICENSE,README}* \
+  $PKG/usr/doc/$PKGNAM-$VERSION/polly
+mv $PKG/usr/docs/llvm/* $PKG/usr/doc/$PKGNAM-$VERSION
+rm -rf $PKG/usr/docs
+
+mkdir -p $PKG/install
+cat $CWD/slack-desc > $PKG/install/slack-desc
+
+cd $PKG
+/sbin/makepkg -l y -c n $TMP/$PKGNAM-$VERSION-$ARCH-$BUILD.txz
diff --git a/extra/source/llvm/llvm.url b/extra/source/llvm/llvm.url
new file mode 100644
index 000000000..89a3e3aba
--- /dev/null
+++ b/extra/source/llvm/llvm.url
@@ -0,0 +1,29 @@
+https://github.com/llvm/llvm-project/releases/download/llvmorg-17.0.6/llvm-17.0.6.src.tar.xz
+https://github.com/llvm/llvm-project/releases/download/llvmorg-17.0.6/clang-17.0.6.src.tar.xz
+https://github.com/llvm/llvm-project/releases/download/llvmorg-17.0.6/clang-tools-extra-17.0.6.src.tar.xz
+https://github.com/llvm/llvm-project/releases/download/llvmorg-17.0.6/compiler-rt-17.0.6.src.tar.xz
+https://github.com/llvm/llvm-project/releases/download/llvmorg-17.0.6/flang-17.0.6.src.tar.xz
+https://github.com/llvm/llvm-project/releases/download/llvmorg-17.0.6/lldb-17.0.6.src.tar.xz
+https://github.com/llvm/llvm-project/releases/download/llvmorg-17.0.6/openmp-17.0.6.src.tar.xz
+https://github.com/llvm/llvm-project/releases/download/llvmorg-17.0.6/polly-17.0.6.src.tar.xz
+https://github.com/llvm/llvm-project/releases/download/llvmorg-17.0.6/libcxx-17.0.6.src.tar.xz
+https://github.com/llvm/llvm-project/releases/download/llvmorg-17.0.6/libcxxabi-17.0.6.src.tar.xz
+https://github.com/llvm/llvm-project/releases/download/llvmorg-17.0.6/lld-17.0.6.src.tar.xz
+https://github.com/llvm/llvm-project/releases/download/llvmorg-17.0.6/libunwind-17.0.6.src.tar.xz
+https://github.com/llvm/llvm-project/releases/download/llvmorg-17.0.6/cmake-17.0.6.src.tar.xz
+https://github.com/llvm/llvm-project/releases/download/llvmorg-17.0.6/third-party-17.0.6.src.tar.xz
+
+#http://llvm.org/releases/17.0.6/llvm-17.0.6.src.tar.xz
+#http://llvm.org/releases/17.0.6/clang-17.0.6.src.tar.xz
+#http://llvm.org/releases/17.0.6/clang-tools-extra-17.0.6.src.tar.xz
+#http://llvm.org/releases/17.0.6/compiler-rt-17.0.6.src.tar.xz
+#http://llvm.org/releases/17.0.6/flang-17.0.6.src.tar.xz
+#http://llvm.org/releases/17.0.6/lldb-17.0.6.src.tar.xz
+#http://llvm.org/releases/17.0.6/openmp-17.0.6.src.tar.xz
+#http://llvm.org/releases/17.0.6/polly-17.0.6.src.tar.xz
+#http://llvm.org/releases/17.0.6/libcxx-17.0.6.src.tar.xz
+#http://llvm.org/releases/17.0.6/libcxxabi-17.0.6.src.tar.xz
+#http://llvm.org/releases/17.0.6/lld-17.0.6.src.tar.xz
+#http://llvm.org/releases/17.0.6/libunwind-17.0.6.src.tar.xz
+#http://llvm.org/releases/17.0.6/cmake-17.0.6.src.tar.xz
+#http://llvm.org/releases/17.0.6/third-party-17.0.6.src.tar.xz
diff --git a/extra/source/llvm/missing-runtime-modules/HandleFlags.cmake b/extra/source/llvm/missing-runtime-modules/HandleFlags.cmake
new file mode 100644
index 000000000..4a62b6716
--- /dev/null
+++ b/extra/source/llvm/missing-runtime-modules/HandleFlags.cmake
@@ -0,0 +1,113 @@
+
+include(CheckCXXCompilerFlag)
+
+unset(add_flag_if_supported)
+
+# Mangle the name of a compiler flag into a valid CMake identifier.
+# Ex: --std=c++11 -> STD_EQ_CXX11
+macro(mangle_name str output)
+  string(STRIP "${str}" strippedStr)
+  string(REGEX REPLACE "^/" "" strippedStr "${strippedStr}")
+  string(REGEX REPLACE "^-+" "" strippedStr "${strippedStr}")
+  string(REGEX REPLACE "-+$" "" strippedStr "${strippedStr}")
+  string(REPLACE "-" "_" strippedStr "${strippedStr}")
+  string(REPLACE "=" "_EQ_" strippedStr "${strippedStr}")
+  string(REPLACE "+" "X" strippedStr "${strippedStr}")
+  string(TOUPPER "${strippedStr}" ${output})
+endmacro()
+
+# Remove a list of flags from all CMake variables that affect compile flags.
+# This can be used to remove unwanted flags specified on the command line
+# or added in other parts of LLVM's cmake configuration.
+macro(remove_flags)
+  foreach(var ${ARGN})
+    string(REPLACE "${var}" "" CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG}")
+    string(REPLACE "${var}" "" CMAKE_CXX_FLAGS_MINSIZEREL "${CMAKE_CXX_FLAGS_MINSIZEREL}")
+    string(REPLACE "${var}" "" CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE}")
+    string(REPLACE "${var}" "" CMAKE_CXX_FLAGS_RELWITHDEBINFO "${CMAKE_CXX_FLAGS_RELWITHDEBINFO}")
+    string(REPLACE "${var}" "" CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}")
+    string(REPLACE "${var}" "" CMAKE_C_FLAGS "${CMAKE_C_FLAGS}")
+    string(REPLACE "${var}" "" CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS}")
+    string(REPLACE "${var}" "" CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS}")
+    string(REPLACE "${var}" "" CMAKE_SHARED_MODULE_FLAGS "${CMAKE_SHARED_MODULE_FLAGS}")
+    remove_definitions(${var})
+  endforeach()
+endmacro(remove_flags)
+
+macro(check_flag_supported flag)
+    mangle_name("${flag}" flagname)
+    check_cxx_compiler_flag("${flag}" "CXX_SUPPORTS_${flagname}_FLAG")
+endmacro()
+
+macro(append_flags DEST)
+  foreach(value ${ARGN})
+    list(APPEND ${DEST} ${value})
+    list(APPEND ${DEST} ${value})
+  endforeach()
+endmacro()
+
+# If the specified 'condition' is true then append the specified list of flags to DEST
+macro(append_flags_if condition DEST)
+  if (${condition})
+    list(APPEND ${DEST} ${ARGN})
+  endif()
+endmacro()
+
+# Add each flag in the list specified by DEST if that flag is supported by the current compiler.
+macro(append_flags_if_supported DEST)
+  foreach(flag ${ARGN})
+    mangle_name("${flag}" flagname)
+    check_cxx_compiler_flag("${flag}" "CXX_SUPPORTS_${flagname}_FLAG")
+    append_flags_if(CXX_SUPPORTS_${flagname}_FLAG ${DEST} ${flag})
+  endforeach()
+endmacro()
+
+# Add a macro definition if condition is true.
+macro(define_if condition def)
+  if (${condition})
+    add_definitions(${def})
+  endif()
+endmacro()
+
+# Add a macro definition if condition is not true.
+macro(define_if_not condition def)
+  if (NOT ${condition})
+    add_definitions(${def})
+  endif()
+endmacro()
+
+# Add a macro definition to the __config_site file if the specified condition
+# is 'true'. Note that '-D${def}' is not added. Instead it is expected that
+# the build include the '__config_site' header.
+macro(config_define_if condition def)
+  if (${condition})
+    set(${def} ON)
+  endif()
+endmacro()
+
+macro(config_define_if_not condition def)
+  if (NOT ${condition})
+    set(${def} ON)
+  endif()
+endmacro()
+
+macro(config_define value def)
+  set(${def} ${value})
+endmacro()
+
+# Turn a comma separated CMake list into a space separated string.
+macro(split_list listname)
+  string(REPLACE ";" " " ${listname} "${${listname}}")
+endmacro()
+
+# For each specified flag, add that compile flag to the provided target.
+# The flags are added with the given visibility, i.e. PUBLIC|PRIVATE|INTERFACE.
+function(target_add_compile_flags_if_supported target visibility)
+  foreach(flag ${ARGN})
+    mangle_name("${flag}" flagname)
+    check_cxx_compiler_flag("${flag}" "CXX_SUPPORTS_${flagname}_FLAG")
+    if (CXX_SUPPORTS_${flagname}_FLAG)
+      target_compile_options(${target} ${visibility} ${flag})
+    endif()
+  endforeach()
+endfunction()
diff --git a/extra/source/llvm/missing-runtime-modules/WarningFlags.cmake b/extra/source/llvm/missing-runtime-modules/WarningFlags.cmake
new file mode 100644
index 000000000..d06409841
--- /dev/null
+++ b/extra/source/llvm/missing-runtime-modules/WarningFlags.cmake
@@ -0,0 +1,77 @@
+include(HandleFlags)
+
+# Warning flags ===============================================================
+function(cxx_add_warning_flags target enable_werror enable_pedantic)
+  target_compile_definitions(${target} PUBLIC -D_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
+  if (MSVC)
+    # -W4 is the cl.exe/clang-cl equivalent of -Wall. (In cl.exe and clang-cl,
+    # -Wall is equivalent to -Weverything in GCC style compiler drivers.)
+    target_add_compile_flags_if_supported(${target} PRIVATE -W4)
+  else()
+    target_add_compile_flags_if_supported(${target} PRIVATE -Wall)
+  endif()
+  # TODO: Should -Wconversion be enabled?
+  target_add_compile_flags_if_supported(${target} PRIVATE
+      -Wextra
+      -Wnewline-eof
+      -Wshadow
+      -Wwrite-strings
+      -Wno-unused-parameter
+      -Wno-long-long
+      -Werror=return-type
+      -Wextra-semi
+      -Wundef
+      -Wunused-template
+      -Wformat-nonliteral
+      )
+
+  if ("${CMAKE_CXX_COMPILER_ID}" MATCHES "Clang")
+    target_add_compile_flags_if_supported(${target} PRIVATE
+      -Wno-user-defined-literals
+      -Wno-covered-switch-default
+      -Wno-suggest-override
+    )
+    if (LIBCXX_TARGETING_CLANG_CL)
+      target_add_compile_flags_if_supported(${target} PRIVATE
+        -Wno-c++98-compat
+        -Wno-c++98-compat-pedantic
+        -Wno-c++11-compat
+        -Wno-undef
+        -Wno-reserved-id-macro
+        -Wno-gnu-include-next
+        -Wno-gcc-compat # For ignoring "'diagnose_if' is a clang extension" warnings
+        -Wno-zero-as-null-pointer-constant # FIXME: Remove this and fix all occurrences.
+        -Wno-deprecated-dynamic-exception-spec # For auto_ptr
+        -Wno-sign-conversion
+        -Wno-old-style-cast
+        -Wno-deprecated # FIXME: Remove this and fix all occurrences.
+        -Wno-shift-sign-overflow # FIXME: Why do we need this with clang-cl but not clang?
+        -Wno-double-promotion # FIXME: remove me
+      )
+    endif()
+
+  elseif("${CMAKE_CXX_COMPILER_ID}" MATCHES "GNU")
+
+    target_add_compile_flags_if_supported(${target} PRIVATE
+      -Wstrict-aliasing=2
+      -Wstrict-overflow=4
+      -Wno-attributes
+      -Wno-literal-suffix
+      -Wno-c++14-compat
+      -Wno-noexcept-type
+      -Wno-suggest-override
+      )
+
+  endif()
+  if (${enable_werror})
+    target_add_compile_flags_if_supported(${target} PRIVATE -Werror)
+    target_add_compile_flags_if_supported(${target} PRIVATE -WX)
+  else()
+    # TODO(EricWF) Remove this. We shouldn't be suppressing errors when -Werror is
+    # added elsewhere.
+    target_add_compile_flags_if_supported(${target} PRIVATE -Wno-error)
+  endif()
+  if (${enable_pedantic})
+    target_add_compile_flags_if_supported(${target} PRIVATE -pedantic)
+  endif()
+endfunction()
diff --git a/extra/source/llvm/slack-desc b/extra/source/llvm/slack-desc
new file mode 100644
index 000000000..32ed62bf0
--- /dev/null
+++ b/extra/source/llvm/slack-desc
@@ -0,0 +1,19 @@
+# HOW TO EDIT THIS FILE:
+# The "handy ruler" below makes it easier to edit a package description. Line
+# up the first '|' above the ':' following the base package name, and the '|'
+# on the right side marks the last column you can put a character in. You must
+# make exactly 11 lines for the formatting to be correct. It's also
+# customary to leave one space after the ':' except on otherwise blank lines.
+
+    |-----handy-ruler------------------------------------------------------|
+llvm: llvm (LLVM compiler toolkit)
+llvm:
+llvm: LLVM is a toolkit for the construction of highly optimized compilers,
+llvm: optimizers, and runtime environments.
+llvm:
+llvm: This package also includes the clang frontend for the C family of
+llvm: languages: C, C++, Objective-C, and Objective-C++
+llvm:
+llvm:
+llvm: Homepage: http://llvm.org/
+llvm:
diff --git a/extra/source/llvm13-compat/llvm13-compat.SlackBuild b/extra/source/llvm13-compat/llvm13-compat.SlackBuild
new file mode 100755
index 000000000..f0f432654
--- /dev/null
+++ b/extra/source/llvm13-compat/llvm13-compat.SlackBuild
@@ -0,0 +1,118 @@
+#!/bin/bash
+
+# Copyright 2024  Patrick J. Volkerding, Sebeka, Minnesota, USA
+# All rights reserved.
+#
+# Redistribution and use of this script, with or without modification, is
+# permitted provided that the following conditions are met:
+#
+# 1. Redistributions of this script must retain the above copyright
+#    notice, this list of conditions and the following disclaimer.
+#
+#  THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
+#  WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+#  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO
+#  EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+#  SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+#  PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+#  OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+#  WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+#  OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+#  ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+cd $(dirname $0) ; CWD=$(pwd)
+
+PKGNAM=llvm13-compat
+VERSION=${VERSION:-13.0.0}
+BUILD=${BUILD:-1_slack15.0}
+
+# Automatically determine the architecture we're building on:
+if [ -z "$ARCH" ]; then
+  case "$(uname -m)" in
+    i?86) ARCH=i586 ;;
+    arm*) readelf /usr/bin/file -A | egrep -q "Tag_CPU.*[4,5]" && ARCH=arm || ARCH=armv7hl ;;
+    # Unless $ARCH is already set, use uname -m for all other archs:
+    *) ARCH=$(uname -m) ;;
+  esac
+  export ARCH
+fi
+
+# If the variable PRINT_PACKAGE_NAME is set, then this script will report what
+# the name of the created package would be, and then exit. This information
+# could be useful to other scripts.
+if [ ! -z "${PRINT_PACKAGE_NAME}" ]; then
+  echo "$PKGNAM-$VERSION-$ARCH-$BUILD.txz"
+  exit 0
+fi
+
+NUMJOBS=${NUMJOBS:-" -j $(expr $(nproc) + 1) "}
+
+if [ "$ARCH" = "i586" ]; then
+  SLKCFLAGS="-O2 -march=i586 -mtune=i686"
+  LIBDIRSUFFIX=""
+elif [ "$ARCH" = "i686" ]; then
+  SLKCFLAGS="-O2 -march=i686"
+  LIBDIRSUFFIX=""
+elif [ "$ARCH" = "s390" ]; then
+  SLKCFLAGS="-O2"
+  LIBDIRSUFFIX=""
+elif [ "$ARCH" = "x86_64" ]; then
+  SLKCFLAGS="-O2 -fPIC"
+  LIBDIRSUFFIX="64"
+elif [ "$ARCH" = "armv7hl" ]; then
+  SLKCFLAGS="-O3 -march=armv7-a -mfpu=vfpv3-d16"
+  LIBDIRSUFFIX=""
+else
+  SLKCFLAGS="-O2"
+  LIBDIRSUFFIX=""
+fi
+
+TMP=${TMP:-/tmp}
+PKG=$TMP/package-$PKGNAM
+
+rm -rf $PKG
+mkdir -p $TMP $PKG
+
+# Create a directory for the libraries:
+mkdir -p $PKG/usr/lib${LIBDIRSUFFIX}
+
+echo "Copying list of directly-linked libraries..."
+cat $CWD/llvm13-list-of-libraries-to-retain | while read library ; do
+  if [ ! "$(echo $library | cut -c 1)" = "#" ]; then
+    if [ ! -e /usr/lib${LIBDIRSUFFIX}/$library ]; then
+      echo "ERROR: llvm 13 package must be installed so that we can extract libraries from the system."
+      exit 1
+    fi
+    cp -a -v /usr/lib${LIBDIRSUFFIX}/$library $PKG/usr/lib${LIBDIRSUFFIX}
+    if [ -L /usr/lib${LIBDIRSUFFIX}/$library ]; then
+      cp -a /usr/lib${LIBDIRSUFFIX}/$(readlink /usr/lib${LIBDIRSUFFIX}/$library) $PKG/usr/lib${LIBDIRSUFFIX}
+    fi
+  fi
+done || exit 1
+
+echo "Copying other LLVM libraries required by the already copied ones..."
+cd $PKG/usr/lib${LIBDIRSUFFIX}
+touch $PKG/scan
+while [ -e $PKG/scan ]; do
+  # we'll reset this flag if we find something. We need to make one pass without
+  # finding anything to leave this loop.
+  rm $PKG/scan
+  for library in lib* ; do
+    readelf -d $library | grep "Shared library" | rev | cut -f 1 -d ' ' | rev | tr -d \[ | tr -d \] | grep ".so.13$" | while read dep ; do
+      if [ ! -e $dep ]; then
+        echo "Copying $dep for $library..."
+        cp -a -v /usr/lib${LIBDIRSUFFIX}/$dep $PKG/usr/lib${LIBDIRSUFFIX}
+        if [ -L /usr/lib${LIBDIRSUFFIX}/$dep ]; then
+          cp -a /usr/lib${LIBDIRSUFFIX}/$(readlink /usr/lib${LIBDIRSUFFIX}/$dep) $PKG/usr/lib${LIBDIRSUFFIX}
+        fi
+        touch $PKG/scan
+      fi
+    done
+  done
+done
+
+mkdir -p $PKG/install
+cat $CWD/slack-desc > $PKG/install/slack-desc
+
+cd $PKG
+/sbin/makepkg -l y -c n $TMP/$PKGNAM-$VERSION-$ARCH-$BUILD.txz
diff --git a/extra/source/llvm13-compat/llvm13-list-of-libraries-to-retain b/extra/source/llvm13-compat/llvm13-list-of-libraries-to-retain
new file mode 100644
index 000000000..e6aafbf12
--- /dev/null
+++ b/extra/source/llvm13-compat/llvm13-list-of-libraries-to-retain
@@ -0,0 +1,38 @@
+# If these libraries exist on the host system, they'll be added to the package
+# for backwards compatibility with the llvm-13 package.
+libLLVMAMDGPUAsmParser.so.13
+libLLVMAMDGPUCodeGen.so.13
+libLLVMAMDGPUDesc.so.13
+libLLVMAMDGPUDisassembler.so.13
+libLLVMAMDGPUInfo.so.13
+libLLVMAnalysis.so.13
+libLLVMBPFAsmParser.so.13
+libLLVMBPFCodeGen.so.13
+libLLVMBPFDesc.so.13
+libLLVMBPFInfo.so.13
+libLLVMBitReader.so.13
+libLLVMBitWriter.so.13
+libLLVMCore.so.13
+libLLVMCoroutines.so.13
+libLLVMExecutionEngine.so.13
+libLLVMIRReader.so.13
+libLLVMInstCombine.so.13
+libLLVMLinker.so.13
+libLLVMMC.so.13
+libLLVMMCDisassembler.so.13
+libLLVMMCJIT.so.13
+libLLVMRuntimeDyld.so.13
+libLLVMScalarOpts.so.13
+libLLVMSupport.so.13
+libLLVMTarget.so.13
+libLLVMTransformUtils.so.13
+libLLVMX86AsmParser.so.13
+libLLVMX86CodeGen.so.13
+libLLVMX86Desc.so.13
+libLLVMX86Disassembler.so.13
+libLLVMX86Info.so.13
+libLLVMipo.so.13
+libclang-cpp.so.13
+libclang.so.13
+# Stupid outlier:
+libPollyISL.so
diff --git a/extra/source/llvm13-compat/slack-desc b/extra/source/llvm13-compat/slack-desc
new file mode 100644
index 000000000..bcd1e153b
--- /dev/null
+++ b/extra/source/llvm13-compat/slack-desc
@@ -0,0 +1,19 @@
+# HOW TO EDIT THIS FILE:
+# The "handy ruler" below makes it easier to edit a package description. Line
+# up the first '|' above the ':' following the base package name, and the '|'
+# on the right side marks the last column you can put a character in. You must
+# make exactly 11 lines for the formatting to be correct. It's also
+# customary to leave one space after the ':' except on otherwise blank lines.
+
+             |-----handy-ruler------------------------------------------------------|
+llvm13-compat: llvm13-compat (LLVM13 runtime libraries)
+llvm13-compat:
+llvm13-compat: This is a collection of libraries from LLVM13 to provide runtime
+llvm13-compat: support for binaries compiled against them.
+llvm13-compat:
+llvm13-compat:
+llvm13-compat:
+llvm13-compat:
+llvm13-compat:
+llvm13-compat:
+llvm13-compat: