clang: drop git suffix from version variables

other recipe like intel-graphics-compiler, config failed with
below error:
[IGC] Could not find the LLVM dylib.  Aborting.

with a suffix in library name make other recipe cannot found it.
Backport a patch from 12.0.0 to fix this.

Signed-off-by: Changqing Li <changqing.li@windriver.com>

2 files changed, 71 insertions, 0 deletions

diff --git a/recipes-devtools/clang/clang/0036-Drop-the-git-suffix-from-various-version-variables.patch b/recipes-devtools/clang/clang/0036-Drop-the-git-suffix-from-various-version-variables.patch
new file mode 100644
index 0000000..81978c0
--- /dev/null
+++ b/recipes-devtools/clang/clang/0036-Drop-the-git-suffix-from-various-version-variables.patch
@@ -0,0 +1,70 @@
+From f25f79545c919543e182f629f7101f4b35faaac6 Mon Sep 17 00:00:00 2001
+From: Changqing Li <changqing.li@windriver.com>
+Date: Wed, 23 Jun 2021 16:25:06 +0800
+Subject: [PATCH] Drop the 'git' suffix from various version variables
+
+Upstream-Status: Backport [cherry-picked from branch 12.0.0]
+
+Signed-off-by: Changqing Li <changqing.li@windriver.com>
+---
+ libcxx/CMakeLists.txt    | 2 +-
+ libcxxabi/CMakeLists.txt | 2 +-
+ libunwind/CMakeLists.txt | 2 +-
+ llvm/CMakeLists.txt      | 2 +-
+ 4 files changed, 4 insertions(+), 4 deletions(-)
+
+diff --git a/libcxx/CMakeLists.txt b/libcxx/CMakeLists.txt
+index 06ee1d74a03e..1ead84c19fcb 100644
+--- a/libcxx/CMakeLists.txt
++++ b/libcxx/CMakeLists.txt
+@@ -29,7 +29,7 @@ if (CMAKE_SOURCE_DIR STREQUAL CMAKE_CURRENT_SOURCE_DIR OR LIBCXX_STANDALONE_BUIL
+   project(libcxx CXX C)
+ 
+   set(PACKAGE_NAME libcxx)
+-  set(PACKAGE_VERSION 13.0.0git)
++  set(PACKAGE_VERSION 13.0.0)
+   set(PACKAGE_STRING "${PACKAGE_NAME} ${PACKAGE_VERSION}")
+   set(PACKAGE_BUGREPORT "llvm-bugs@lists.llvm.org")
+ 
+diff --git a/libcxxabi/CMakeLists.txt b/libcxxabi/CMakeLists.txt
+index fb656e7db9fb..405bc3ceeaa7 100644
+--- a/libcxxabi/CMakeLists.txt
++++ b/libcxxabi/CMakeLists.txt
+@@ -28,7 +28,7 @@ if (CMAKE_SOURCE_DIR STREQUAL CMAKE_CURRENT_SOURCE_DIR OR LIBCXXABI_STANDALONE_B
+   project(libcxxabi CXX C)
+ 
+   set(PACKAGE_NAME libcxxabi)
+-  set(PACKAGE_VERSION 11.0.0git)
++  set(PACKAGE_VERSION 11.0.0)
+   set(PACKAGE_STRING "${PACKAGE_NAME} ${PACKAGE_VERSION}")
+   set(PACKAGE_BUGREPORT "llvm-bugs@lists.llvm.org")
+ 
+diff --git a/libunwind/CMakeLists.txt b/libunwind/CMakeLists.txt
+index a2c03fd3f8aa..82424253c8da 100644
+--- a/libunwind/CMakeLists.txt
++++ b/libunwind/CMakeLists.txt
+@@ -24,7 +24,7 @@ if (CMAKE_SOURCE_DIR STREQUAL CMAKE_CURRENT_SOURCE_DIR OR LIBUNWIND_STANDALONE_B
+   project(libunwind LANGUAGES C CXX ASM)
+ 
+   set(PACKAGE_NAME libunwind)
+-  set(PACKAGE_VERSION 13.0.0git)
++  set(PACKAGE_VERSION 13.0.0)
+   set(PACKAGE_STRING "${PACKAGE_NAME} ${PACKAGE_VERSION}")
+   set(PACKAGE_BUGREPORT "llvm-bugs@lists.llvm.org")
+ 
+diff --git a/llvm/CMakeLists.txt b/llvm/CMakeLists.txt
+index 135036f509d2..c28bc3f8d19d 100644
+--- a/llvm/CMakeLists.txt
++++ b/llvm/CMakeLists.txt
+@@ -20,7 +20,7 @@ if(NOT DEFINED LLVM_VERSION_PATCH)
+   set(LLVM_VERSION_PATCH 0)
+ endif()
+ if(NOT DEFINED LLVM_VERSION_SUFFIX)
+-  set(LLVM_VERSION_SUFFIX git)
++  set(LLVM_VERSION_SUFFIX "")
+ endif()
+ 
+ if (NOT PACKAGE_VERSION)
+-- 
+2.17.1
+
diff --git a/recipes-devtools/clang/common.inc b/recipes-devtools/clang/common.inc
index 2a23ba3..8f89fb4 100644
--- a/recipes-devtools/clang/common.inc
+++ b/recipes-devtools/clang/common.inc
@@ -45,6 +45,7 @@ SRC_URI = "\
     file://0033-compiler-rt-Use-uintptr_t-instead-of-_Unwind_Word.patch \
     file://0034-compiler-rt-Do-not-force-thumb-mode-directive.patch \
     file://0035-openmp-Fix-build-on-non-x86-targets.patch \
+    file://0036-Drop-the-git-suffix-from-various-version-variables.patch \
 "
 # Fallback to no-PIE if not set
 GCCPIE ??= ""