New comment by Johnnynator on void-packages repository

https://github.com/void-linux/void-packages/pull/40821#issuecomment-1382939956

Comment:
I did some fixes for cross, also I don't think we need the per target runtime dirs, and if we did use them you should probably use a wildcard in vinstall

```diff
diff --git a/srcpkgs/llvm15/template b/srcpkgs/llvm15/template
index db510bbd24..6249ec307c 100644
--- a/srcpkgs/llvm15/template
+++ b/srcpkgs/llvm15/template
@@ -4,6 +4,7 @@ version=15.0.6
 revision=1
 build_wrksrc=llvm
 build_style=cmake
+_ext_suffix=".cpython-${py3_ver/./}-linux-${XBPS_TARGET_LIBC/glibc/gnu}.so"
 configure_args="
  -DCMAKE_BUILD_TYPE=Release -Wno-dev
  -DENABLE_LINKER_BUILD_ID=YES
@@ -23,11 +24,15 @@ configure_args="
  -DLLVM_LINK_LLVM_DYLIB=YES
  -DLLVM_ENABLE_RTTI=YES
  -DLLVM_ENABLE_FFI=YES
- -DLLVM_BINUTILS_INCDIR=/usr/include"
+ -DLLVM_BINUTILS_INCDIR=/usr/include
+ -DLLVM_ENABLE_PER_TARGET_RUNTIME_DIR=NO
+ -DLLDB_PYTHON_RELATIVE_PATH=lib/python${py3_ver}/site-packages
+ -DLLDB_PYTHON_EXE_RELATIVE_PATH=bin/python${py3_ver}
+ -DLLDB_PYTHON_EXT_SUFFIX=$_ext_suffix"
 hostmakedepends="perl python3 zlib-devel libffi-devel swig python3-Sphinx
  python3-recommonmark python3-sphinx-automodapi"
 makedepends="python3-devel zlib-devel elfutils-devel libffi-devel libedit-devel
  libxml2-devel binutils-devel libatomic-devel"
 depends="libllvm15>=${version}_${revision}"
 short_desc="Low Level Virtual Machine"
 maintainer="Orphaned <orphan@voidlinux.org>"
@@ -56,7 +61,7 @@ _libomp_enable=no
 
 case "$XBPS_TARGET_MACHINE" in
        ppc64le*) ;;
-       ppc*|i686*) _lldb_enable=no ;;
+       ppc*|i686*|riscv64*) _lldb_enable=no ;;
 esac
 
 case "$XBPS_TARGET_MACHINE" in
@@ -153,9 +158,14 @@ pre_configure() {
                        -DLLVM_ENABLE_PROJECTS=${_enabled_projects}
                make ${makejobs} -C utils/TableGen
                make ${makejobs} -C tools/clang/utils/TableGen
+               make ${makejobs} -C tools/clang/tools/extra/clang-tidy/misc/ConfusableTable
+               make ${makejobs} -C tools/clang/tools/extra/pseudo/gen
                [ "$_lldb_enable" = "yes" ] && make ${makejobs} -C tools/lldb/utils/TableGen
                configure_args+=" -DLLVM_TABLEGEN=${wrksrc}/llvm/build/HOST/bin/llvm-tblgen"
                configure_args+=" -DCLANG_TABLEGEN=${wrksrc}/llvm/build/HOST/bin/clang-tblgen"
+               configure_args+=" -DCLANG_TIDY_CONFUSABLE_CHARS_GEN=${wrksrc}/llvm/build/HOST/bin/clang-tidy-confusable-chars-gen"
+               configure_args+=" -DCLANG_PSEUDO_GEN=${wrksrc}/llvm/build/HOST/bin/clang-pseudo-gen"
+               [ "$_lldb_enable" = "yes" ] && configure_args+=" -DLLDB_TABLEGEN=${wrksrc}/llvm/build/HOST/bin/lldb-tblgen"
                [ "$_lldb_enable" = "yes" ] && configure_args+=" -DLLDB_TABLEGEN=${wrksrc}/llvm/build/HOST/bin/lldb-tblgen"
                cd ../..
        fi
@@ -298,9 +308,9 @@ lld_package() {
        short_desc+=" - linker"
        homepage="https://lld.llvm.org"
        pkg_install() {
-               vmove usr/bin/ld.lld*
-               vmove usr/bin/ld64.lld*
-               vmove usr/bin/lld*
+               vmove "usr/bin/ld.lld*"
+               vmove "usr/bin/ld64.lld*"
+               vmove "usr/bin/lld*"
                vmove usr/bin/wasm-ld
                vmove usr/share/doc/LLVM/lld
        }
@@ -324,9 +334,9 @@ lldb_package() {
        short_desc+=" - LLDB debugger"
        homepage="https://lldb.llvm.org/"
        pkg_install() {
-               vmove usr/bin/*lldb*
-               vmove usr/lib/liblldb*so.*
-               vmove /usr/lib/python*
+               vmove "usr/bin/*lldb*"
+               vmove "usr/lib/liblldb*so.*"
+               vmove usr/lib/python*
        }
 }
 
@@ -343,7 +353,7 @@ lldb-devel_package() {
 llvm-libunwind_package() {
        short_desc+=" - libunwind"
        pkg_install() {
-               vmove "usr/lib/${XBPS_TRIPLET}/libunwind.so.*"
+               vmove "usr/lib/libunwind.so.*"
        }
 }
 
@@ -354,8 +364,8 @@ llvm-libunwind-devel_package() {
        pkg_install() {
                vmove usr/include/mach-o
                vmove "usr/include/*unwind*"
-               vmove "usr/lib/${XBPS_TRIPLET}/libunwind.a"
-               vmove "usr/lib/${XBPS_TRIPLET}/libunwind.so"
+               vmove "usr/lib/libunwind.a"
+               vmove "usr/lib/libunwind.so"
                vmove usr/share/doc/LLVM/libunwind
        }
 }
@@ -363,7 +373,7 @@ llvm-libunwind-devel_package() {
 libcxxabi_package() {
        short_desc+=" - low level support for libc++"
        pkg_install() {
-               vmove "usr/lib/${XBPS_TRIPLET}/libc++abi.so.*"
+               vmove "usr/lib/libc++abi.so.*"
        }
 }
 
@@ -372,15 +382,15 @@ libcxxabi-devel_package() {
        depends="libcxxabi>=${version}_${revision}"
        pkg_install() {
                vmove "usr/include/*cxxabi*"
-               vmove "usr/lib/${XBPS_TRIPLET}/libc++abi.so"
-               vmove "usr/lib/${XBPS_TRIPLET}/libc++abi.a"
+               vmove "usr/lib/libc++abi.so"
+               vmove "usr/lib/libc++abi.a"
        }
 }
 
 libcxx_package() {
        short_desc+=" - C++ standard library"
        pkg_install() {
-               vmove "usr/lib/${XBPS_TRIPLET}/libc++.so.*"
+               vmove "usr/lib/libc++.so.*"
        }
 }
 
@@ -389,9 +399,9 @@ libcxx-devel_package() {
        depends="libcxx>=${version}_${revision}"
        pkg_install() {
                vmove usr/include/c++
-               vmove "usr/lib/${XBPS_TRIPLET}/libc++.so"
-               vmove "usr/lib/${XBPS_TRIPLET}/libc++.a"
-               vmove "usr/lib/${XBPS_TRIPLET}/libc++experimental.a"
+               vmove "usr/lib/libc++.so"
+               vmove "usr/lib/libc++.a"
+               vmove "usr/lib/libc++experimental.a"
                vmove usr/share/doc/LLVM/libcxx
        }
 }
```