From 547245cab0be2b4f2a7aa4e6fb216a4a2f069473 Mon Sep 17 00:00:00 2001
From: "H. Vetinari" <h.vetinari@gmx.com>
Date: Thu, 14 Apr 2022 11:57:00 +1100
Subject: [PATCH 7/8] set libclang SOVERSION unconditionally

and avoid creating libclang with full version suffix
---
 clang/tools/libclang/CMakeLists.txt | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/clang/tools/libclang/CMakeLists.txt b/clang/tools/libclang/CMakeLists.txt
index f234f15628e7..4aa1e77eacc7 100644
--- a/clang/tools/libclang/CMakeLists.txt
+++ b/clang/tools/libclang/CMakeLists.txt
@@ -197,9 +197,16 @@ if(ENABLE_SHARED)
     # Ensure that libclang.so gets rebuilt when the linker script changes.
     set_property(SOURCE ARCMigrate.cpp APPEND PROPERTY
                  OBJECT_DEPENDS ${CMAKE_CURRENT_SOURCE_DIR}/libclang.map)
+  endif()
 
+  if(WIN32)
+    # point libclang.lib to libclang-<SO-version>.dll
+    set_target_properties(libclang PROPERTIES RUNTIME_OUTPUT_NAME "libclang-${LIBCLANG_SOVERSION}")
+  else()
+    # on unix, set soversion directly (also need to set version
+    # to avoid libclang.so.LLVM_VERSION_MAJOR being generated)
     set_target_properties(libclang PROPERTIES
-                          VERSION ${LLVM_VERSION_MAJOR}.${LLVM_VERSION_MINOR}.${LLVM_VERSION_PATCH}${LLVM_VERSION_SUFFIX}
+                          VERSION ${LIBCLANG_SOVERSION}
                           SOVERSION ${LIBCLANG_SOVERSION})
   endif()
 endif()