clang: Apply libunwind.pc.in and llvm-config via a patch

this will simplify things with UNPACKDIR and shared sources for all llvm
derived recipes

Signed-off-by: Khem Raj <raj.khem@gmail.com>

6 files changed, 93 insertions, 65 deletions

diff --git a/recipes-devtools/clang/clang/0036-llvm-Add-libunwind.pc.in-and-llvm-config-scripts.patch b/recipes-devtools/clang/clang/0036-llvm-Add-libunwind.pc.in-and-llvm-config-scripts.patch
new file mode 100644
index 0000000..84a0d2b
--- /dev/null
+++ b/recipes-devtools/clang/clang/0036-llvm-Add-libunwind.pc.in-and-llvm-config-scripts.patch
@@ -0,0 +1,90 @@
+From e54d4a15f31b8f84dc24ae14efc65713b1a6d6d7 Mon Sep 17 00:00:00 2001
+From: Khem Raj <raj.khem@gmail.com>
+Date: Tue, 14 May 2024 22:04:43 -0700
+Subject: [PATCH] llvm: Add libunwind.pc.in and llvm-config scripts
+
+These are added by OE project
+
+Upstream-Status: Inappropriate [ OE-Specific ]
+
+Signed-off-by: Khem Raj <raj.khem@gmail.com>
+---
+ libunwind/libunwind.pc.in          |  9 ++++++
+ llvm/tools/llvm-config/llvm-config | 52 ++++++++++++++++++++++++++++++
+ 2 files changed, 61 insertions(+)
+ create mode 100644 libunwind/libunwind.pc.in
+ create mode 100644 llvm/tools/llvm-config/llvm-config
+
+diff --git a/libunwind/libunwind.pc.in b/libunwind/libunwind.pc.in
+new file mode 100644
+index 000000000000..a93d676604f9
+--- /dev/null
++++ b/libunwind/libunwind.pc.in
+@@ -0,0 +1,9 @@
++prefix=/usr
++exec_prefix=/usr
++libdir=@LIBDIR@
++includedir=/usr/include
++
++Name: libunwind
++Description: libunwind base library
++Version: @VERSION@
++Libs: -lunwind
+diff --git a/llvm/tools/llvm-config/llvm-config b/llvm/tools/llvm-config/llvm-config
+new file mode 100644
+index 000000000000..6a0dd54b8eab
+--- /dev/null
++++ b/llvm/tools/llvm-config/llvm-config
+@@ -0,0 +1,52 @@
++#!/bin/bash
++#
++# Wrapper script for llvm-config. Supplies the right environment variables
++# for the target and delegates to the native llvm-config for anything else. This
++# is needed because arguments like --ldflags, --cxxflags, etc. are set by the
++# native compile rather than the target compile.
++#
++SCRIPT_DIR="$(dirname "$(readlink -f "$0")")"
++NEXT_LLVM_CONFIG="$(which -a llvm-config | sed -n 2p)"
++export YOCTO_ALTERNATE_EXE_PATH="${YOCTO_ALTERNATE_EXE_PATH:="$(readlink -f "$SCRIPT_DIR/../llvm-config")"}"
++if [ -n "$( echo $base_libdir | sed -n '/lib64/p')" ]; then
++    export YOCTO_ALTERNATE_LIBDIR="${YOCTO_ALTERNATE_LIBDIR:="/lib64"}"
++else
++    export YOCTO_ALTERNATE_LIBDIR="${YOCTO_ALTERNATE_LIBDIR:="/lib"}"
++fi
++if [[ $# == 0 ]]; then
++  exec "$NEXT_LLVM_CONFIG"
++fi
++
++remain=""
++output=""
++for arg in "$@"; do
++  case "$arg" in
++    --cppflags)
++      output="${output} ${CPPFLAGS}"
++      ;;
++    --cflags)
++      output="${output} ${CFLAGS}"
++      ;;
++    --cxxflags)
++      output="${output} ${CXXFLAGS}"
++      ;;
++    --ldflags)
++      output="${output} ${LDFLAGS}"
++      ;;
++    --shared-mode)
++      output="${output} shared"
++      ;;
++    --link-shared)
++      break
++      ;;
++    *)
++      remain="${remain} ${arg}"
++      ;;
++  esac
++done
++
++if [ "${remain}" != "" ]; then
++      output="${output} "$("$NEXT_LLVM_CONFIG" ${remain})
++fi
++
++echo "${output}"
diff --git a/recipes-devtools/clang/clang/libunwind.pc.in b/recipes-devtools/clang/clang/libunwind.pc.in
deleted file mode 100644
index a93d676..0000000
--- a/recipes-devtools/clang/clang/libunwind.pc.in
+++ /dev/null
@@ -1,9 +0,0 @@
-prefix=/usr
-exec_prefix=/usr
-libdir=@LIBDIR@
-includedir=/usr/include
-
-Name: libunwind
-Description: libunwind base library
-Version: @VERSION@
-Libs: -lunwind
diff --git a/recipes-devtools/clang/clang/llvm-config b/recipes-devtools/clang/clang/llvm-config
deleted file mode 100644
index 6a0dd54..0000000
--- a/recipes-devtools/clang/clang/llvm-config
+++ /dev/null
@@ -1,52 +0,0 @@
-#!/bin/bash
-#
-# Wrapper script for llvm-config. Supplies the right environment variables
-# for the target and delegates to the native llvm-config for anything else. This
-# is needed because arguments like --ldflags, --cxxflags, etc. are set by the
-# native compile rather than the target compile.
-#
-SCRIPT_DIR="$(dirname "$(readlink -f "$0")")"
-NEXT_LLVM_CONFIG="$(which -a llvm-config | sed -n 2p)"
-export YOCTO_ALTERNATE_EXE_PATH="${YOCTO_ALTERNATE_EXE_PATH:="$(readlink -f "$SCRIPT_DIR/../llvm-config")"}"
-if [ -n "$( echo $base_libdir | sed -n '/lib64/p')" ]; then
-    export YOCTO_ALTERNATE_LIBDIR="${YOCTO_ALTERNATE_LIBDIR:="/lib64"}"
-else
-    export YOCTO_ALTERNATE_LIBDIR="${YOCTO_ALTERNATE_LIBDIR:="/lib"}"
-fi
-if [[ $# == 0 ]]; then
-  exec "$NEXT_LLVM_CONFIG"
-fi
-
-remain=""
-output=""
-for arg in "$@"; do
-  case "$arg" in
-    --cppflags)
-      output="${output} ${CPPFLAGS}"
-      ;;
-    --cflags)
-      output="${output} ${CFLAGS}"
-      ;;
-    --cxxflags)
-      output="${output} ${CXXFLAGS}"
-      ;;
-    --ldflags)
-      output="${output} ${LDFLAGS}"
-      ;;
-    --shared-mode)
-      output="${output} shared"
-      ;;
-    --link-shared)
-      break
-      ;;
-    *)
-      remain="${remain} ${arg}"
-      ;;
-  esac
-done
-
-if [ "${remain}" != "" ]; then
-      output="${output} "$("$NEXT_LLVM_CONFIG" ${remain})
-fi
-
-echo "${output}"
diff --git a/recipes-devtools/clang/clang_git.bb b/recipes-devtools/clang/clang_git.bb
index 2891a3a..a29770b 100644
--- a/recipes-devtools/clang/clang_git.bb
+++ b/recipes-devtools/clang/clang_git.bb
@@ -429,7 +429,7 @@ SYSROOT_PREPROCESS_FUNCS:append:class-target = " clang_sysroot_preprocess"
 
 clang_sysroot_preprocess() {
         install -d ${SYSROOT_DESTDIR}${bindir_crossscripts}/
-        install -m 0755 ${S}/../llvm-config ${SYSROOT_DESTDIR}${bindir_crossscripts}/
+        install -m 0755 ${S}/llvm/tools/llvm-config/llvm-config ${SYSROOT_DESTDIR}${bindir_crossscripts}/
         ln -sf llvm-config ${SYSROOT_DESTDIR}${bindir_crossscripts}/llvm-config${PV}
         # LLDTargets.cmake references the lld executable(!) that some modules/plugins link to
         install -d ${SYSROOT_DESTDIR}${bindir}
diff --git a/recipes-devtools/clang/common.inc b/recipes-devtools/clang/common.inc
index db3ae0a..9b31bf6 100644
--- a/recipes-devtools/clang/common.inc
+++ b/recipes-devtools/clang/common.inc
@@ -10,8 +10,6 @@ SRC_URI[sha256sum] = "3591a52761a7d390ede51af01ea73abfecc4b1d16445f9d019b67a57ed
 
 SRC_URI = "\
     ${BASEURI} \
-    file://llvm-config \
-    file://libunwind.pc.in \
     file://0001-libcxxabi-Find-libunwind-headers-when-LIBCXXABI_LIBU.patch \
     file://0002-compiler-rt-support-a-new-embedded-linux-target.patch \
     file://0003-compiler-rt-Simplify-cross-compilation.-Don-t-use-na.patch \
@@ -46,6 +44,7 @@ SRC_URI = "\
     file://0033-compiler-rt-Undef-_TIME_BITS-along-with-_FILE_OFFSET.patch \
     file://0034-ToolChains-Gnu.cpp-ARMLibDirs-search-also-in-lib32.patch \
     file://0035-compiler-rt-Fix-cmake-check-for-_Float16-and-__bf16.patch \
+    file://0036-llvm-Add-libunwind.pc.in-and-llvm-config-scripts.patch \
     "
 # Fallback to no-PIE if not set
 GCCPIE ??= ""
diff --git a/recipes-devtools/clang/libcxx_git.bb b/recipes-devtools/clang/libcxx_git.bb
index 9d4f033..8ee800c 100644
--- a/recipes-devtools/clang/libcxx_git.bb
+++ b/recipes-devtools/clang/libcxx_git.bb
@@ -105,7 +105,7 @@ do_install:append() {
             install -Dm 0644 ${S}/libunwind/include/$f ${D}${includedir}/$f
         done
         install -d ${D}${libdir}/pkgconfig
-        sed -e 's,@LIBDIR@,${libdir},g;s,@VERSION@,${PV},g' ${S}/../libunwind.pc.in > ${D}${libdir}/pkgconfig/libunwind.pc
+        sed -e 's,@LIBDIR@,${libdir},g;s,@VERSION@,${PV},g' ${S}/libunwind/libunwind.pc.in > ${D}${libdir}/pkgconfig/libunwind.pc
     fi
 }