Simplify CMake for tools

This patch remove a Homebrew specific workaround that's not needed
after: Homebrew/homebrew-core#112154

tools/CMakeLists.txt

@@ -1,8 +1,3 @@
-# TODO: Once LLVM 16 is released, replace `try_compile` with a test for
-# LLVM_ENABLE_LTO, see https://reviews.llvm.org/D134936.
-
-# THE LIST OF TOOLS AND THE CORRESPONDING SOURCE FILES
-# ====================================================
 set(CLANG_TUTOR_TOOLS
     ct-la-commenter
     ct-code-refactor
@@ -39,45 +34,10 @@ foreach( tool ${CLANG_TUTOR_TOOLS} )
       PRIVATE
       "${CMAKE_CURRENT_SOURCE_DIR}/../include"
     )
-endforeach()
-
-# DECIDE WHAT LIBRARIES TO LINK IN
-#=================================
-# The minimal list of the required LLVM libraries.
-set(libs "clangTooling")
-
-# The list above won't work when using LLVM from Homebrew. Indeed, your system
-# linker will most likely complain:
-# ```
-#   (...) Opaque pointers are only supported in -opaque-pointers mode (Producer: 'LLVM15.0.0' Reader: 'LLVM APPLE_1_1400.0.29.102_0')
-# ```
-# That's more or less due to Homebrew packages being built with LTO (i.e.
-# LLVM_ENABLE_LTO set to "ON") To work around this, you can use `libLLVM` and
-# `libclang-cpp` instead. That solves the problem because:
-#  * `libclang-cpp`/`libLLVM` are always a dynamic library (and the problem above is only
-#    triggered for static libs)
-#  * `libclang-cpp`/`libLLVM` include all Clang/LLVM libraries (i.e. all the
-#    libraries listed below _and more_)
 
-# Check whether the default set-up is sufficient ...
-try_compile(testMinimalCompilation "${CMAKE_BINARY_DIR}/temp"
-  SOURCES ${ct-la-commenter_SOURCES}
-  LINK_LIBRARIES ${libs}
-  CMAKE_FLAGS 
-  "-DINCLUDE_DIRECTORIES=${CMAKE_CURRENT_SOURCE_DIR}/../include;${LLVM_INCLUDE_DIRS};${CLANG_INCLUDE_DIRS}"
-    "-DLINK_DIRECTORIES=${LLVM_LIBRARY_DIRS}")
-
-# ... if not, use libLLVM and libclang-cpp
-if(NOT ${testMinimalCompilation})
-  set(libs "clang-cpp" "LLVM")
-endif()
-
-# ADD THE LIBRARIES TO LINK
-#==========================
-foreach( tool ${CLANG_TUTOR_TOOLS} )
-    # Link with libclangTooling
+    # Link in the required libraries 
     target_link_libraries(
       ${tool}
-      ${libs}
+      "clangTooling"
     )
 endforeach()