---
 clang/tools/libclang/CMakeLists.txt |    2 +-
 tools/llvm-shlib/CMakeLists.txt     |    1 +
 2 files changed, 2 insertions(+), 1 deletion(-)

Index: llvm-toolchain-18_18.1.0-rc4/clang/tools/libclang/CMakeLists.txt
===================================================================
--- llvm-toolchain-18_18.1.0-rc4.orig/clang/tools/libclang/CMakeLists.txt
+++ llvm-toolchain-18_18.1.0-rc4/clang/tools/libclang/CMakeLists.txt
@@ -135,7 +135,7 @@ if (UNIX AND ${CMAKE_SYSTEM_NAME} MATCHE
     remove_definitions("-D_XOPEN_SOURCE=700")
 endif()
 
-add_clang_library(libclang ${ENABLE_SHARED} ${ENABLE_STATIC} INSTALL_WITH_TOOLCHAIN
+add_clang_library(libclang ${ENABLE_SHARED} ${ENABLE_STATIC} INSTALL_WITH_TOOLCHAIN SONAME
   OUTPUT_NAME ${output_name}
   ${SOURCES}
 
Index: llvm-toolchain-18_18.1.0-rc4/llvm/tools/llvm-shlib/CMakeLists.txt
===================================================================
--- llvm-toolchain-18_18.1.0-rc4.orig/llvm/tools/llvm-shlib/CMakeLists.txt
+++ llvm-toolchain-18_18.1.0-rc4/llvm/tools/llvm-shlib/CMakeLists.txt
@@ -38,6 +38,8 @@ if(LLVM_BUILD_LLVM_DYLIB)
   get_target_property(LLVM_DYLIB_SOVERSION LLVM SOVERSION)
   llvm_install_library_symlink(LLVM-${LLVM_VERSION_MAJOR}${LLVM_VERSION_SUFFIX} LLVM SHARED COMPONENT LLVM SOVERSION ${LLVM_DYLIB_SOVERSION})
 
+  set_property(TARGET LLVM PROPERTY VERSION "1") # Append .1 to SONAME
+
   list(REMOVE_DUPLICATES LIB_NAMES)
   if("${CMAKE_SYSTEM_NAME}" STREQUAL "Darwin")
     set(LIB_NAMES -Wl,-all_load ${LIB_NAMES})