Merge pull request #5306 from crueter/iwyu

CMake: Also search for `include-what-you-use` if IWYU is enabled

CMakeLists.txt

@@ -543,7 +543,8 @@ endif()
 message(STATUS "FEX Version: ${GIT_DESCRIBE_STRING}")
 message(STATUS "FEX Commit: ${GIT_SHORT_HASH}")
 if (ENABLE_IWYU)
-  find_program(IWYU_EXE "iwyu")
+  find_program(IWYU_EXE
+    NAMES iwyu include-what-you-use)
   if (IWYU_EXE)
     message(STATUS "IWYU enabled")
     set(CMAKE_CXX_INCLUDE_WHAT_YOU_USE "${IWYU_EXE}")