--- llvm-13.0.0.src/tools/llvm-shlib/CMakeLists.txt.orig	2021-09-24 19:18:10.000000000 +0000
+++ llvm-13.0.0.src/tools/llvm-shlib/CMakeLists.txt	2022-01-02 14:07:16.882148777 +0000
@@ -33,13 +33,11 @@
   add_llvm_library(LLVM SHARED DISABLE_LLVM_LINK_LLVM_DYLIB SONAME ${INSTALL_WITH_TOOLCHAIN} ${SOURCES})
 
   list(REMOVE_DUPLICATES LIB_NAMES)
-  if(("${CMAKE_SYSTEM_NAME}" STREQUAL "Linux") OR (MINGW) OR (HAIKU)
-     OR ("${CMAKE_SYSTEM_NAME}" STREQUAL "FreeBSD")
-     OR ("${CMAKE_SYSTEM_NAME}" STREQUAL "GNU")
-     OR ("${CMAKE_SYSTEM_NAME}" STREQUAL "OpenBSD")
-     OR ("${CMAKE_SYSTEM_NAME}" STREQUAL "Fuchsia")
-     OR ("${CMAKE_SYSTEM_NAME}" STREQUAL "DragonFly")
-     OR ("${CMAKE_SYSTEM_NAME}" STREQUAL "SunOS")) # FIXME: It should be "GNU ld for elf"
+  if("${CMAKE_SYSTEM_NAME}" STREQUAL "SunOS")
+    set(LIB_NAMES -Wl,-Bsymbolic -Wl,-z -Wl,allextract ${LIB_NAMES} -Wl,-z -Wl,defaultextract)
+  elseif("${CMAKE_SYSTEM_NAME}" STREQUAL "Darwin")
+    set(LIB_NAMES -Wl,-all_load ${LIB_NAMES})
+  else()
     configure_file(
     ${CMAKE_CURRENT_SOURCE_DIR}/simple_version_script.map.in
     ${LLVM_LIBRARY_DIR}/tools/llvm-shlib/simple_version_script.map)
@@ -55,10 +53,8 @@
       # reduce dynamic relocations.
       # Note: for -fno-pic default, the address of a function may be different from
       # inside and outside libLLVM.so.
-      target_link_options(LLVM PRIVATE LINKER:-Bsymbolic-functions)
+      target_link_options(LLVM PRIVATE LINKER:-Bsymbolic)
     endif()
-  elseif("${CMAKE_SYSTEM_NAME}" STREQUAL "Darwin")
-    set(LIB_NAMES -Wl,-all_load ${LIB_NAMES})
   endif()
 
   target_link_libraries(LLVM PRIVATE ${LIB_NAMES})