This fails in 3rd Party libraries.

Revert "Optional warnings added. These are only used if supported by the"

This reverts commit 9ec6531861.

CMakeLists.txt

     message(STATUS "Build Type : None")
 endif()
 
-include(Compiler)
 
 if( COVERAGE )
     include(Coverage)
                     -Wshadow
                     -Wold-style-cast
                     )
-add_compile_options_if_supported(-Wduplicated-cond
-                                -Wduplicated-branches
-                                -Wlogical-op
-                                -Wnull-dereference
-                                -Wuseless-cast
-                                )
 
 
 set(CMAKE_CXX_STANDARD 14)

cmake/Compiler.cmake

-include(CheckCXXCompilerFlag)
-
-function(add_compile_options_if_supported)
-    foreach(flag ${ARGN})
-        set(option_var option_supported_${flag})
-        CHECK_CXX_COMPILER_FLAG(${flag} ${option_var})
-
-        if( ${option_var} )
-            add_compile_options(${flag})
-        endif()
-    endforeach()
-endfunction()
-