Renamed GodotCompilerWarnings.cmake to common_compiler_flags.cmake to match scons

Included files explicitly by path, as we dont need to append to the CMAKE_MODULES_PATH which effects the whole build tree.

This prevents consumers of the library from clobbering the names of the cmake include files and breaking the build.

Author: enetheru

CMakeLists.txt

@@ -11,9 +11,7 @@ if(${CMAKE_CXX_COMPILER_ID} STREQUAL MSVC)
     endif ()
 endif ()
 
-# Add path to modules
-list( APPEND CMAKE_MODULE_PATH "${PROJECT_SOURCE_DIR}/cmake/" )
-include( godotcpp )
+include( ${PROJECT_SOURCE_DIR}/cmake/godotcpp.cmake )
 
 # I know this doesn't look like a typical CMakeLists.txt, but as we are
 # attempting mostly feature parity with SCons, and easy maintenance, the closer

cmake/GodotCompilerWarnings.cmake renamed to cmake/common_compiler_flags.cmake

@@ -167,7 +167,7 @@ function( godotcpp_generate )
     )
     add_library(godot::cpp ALIAS ${PROJECT_NAME})
 
-    include(GodotCompilerWarnings)
+    include(${PROJECT_SOURCE_DIR}/cmake/common_compiler_flags.cmake)
 
     target_compile_features(${PROJECT_NAME}
             PRIVATE