fix precompiled headers bug

CMakeLists.txt

@@ -3,14 +3,16 @@ cmake_minimum_required(VERSION 3.10)
 set(EnablePrecompiledHeaders 1 CACHE BOOL "Enable Precompiled Headers to reduce compile time")
 if(${CMAKE_VERSION} VERSION_LESS "3.16.0")
     set(EnableCotire 1 CACHE BOOL "Enable CoTiRe (Compile Time Reducer)")
+    unset(NativePrecompiledHeaders)
 else()
-    set(EnableCotire 0)
+    set(NativePrecompiledHeaders 1)
+    unset(EnableCotire CACHE)
 endif()
 
 # Ensure that only 32 bit libraries are used.
 set(CMAKE_TOOLCHAIN_FILE "${CMAKE_SOURCE_DIR}/Toolchain-cross-m32.cmake")
 
-if (EnablePrecompiledHeaders AND EnableCotire)
+if (EnableCotire)
     # Don't enable cotire when running in QtCreator
     execute_process(COMMAND "printenv" OUTPUT_VARIABLE contents)
     STRING(REGEX REPLACE ";" "\\\\;" contents "${contents}")
@@ -23,7 +25,7 @@ if (EnablePrecompiledHeaders AND EnableCotire)
     endforeach()
 endif()
 
-if (EnablePrecompiledHeaders AND EnableCotire)
+if (EnableCotire)
     set (CMAKE_MODULE_PATH "${CMAKE_SOURCE_DIR}/external/cotire/CMake")
     include(cotire)
     file(GLOB_RECURSE ignore_files *.cpp)
@@ -77,8 +79,6 @@ if (NOT ExternalDrawing)
     set(Visuals_EnforceStreamSafety 0)
 endif()
 
-
-set(EnableUnityBuilds 1 CACHE BOOL "Add support for CoTiRe unity builds")
 set(EnableProfiler 0 CACHE BOOL "Enable Profiler")
 set(EnableGUI 1 CACHE BOOL "Enable GUI")
 set(EnableIPC 1 CACHE BOOL "Enable IPC")
@@ -207,19 +207,21 @@ add_subdirectory(include)
 add_subdirectory(external)
 add_subdirectory(modules)
 
-if (EnablePrecompiledHeaders AND EnableCotire)
-    set_target_properties(cathook PROPERTIES COTIRE_CXX_PREFIX_HEADER_INIT "${CMAKE_SOURCE_DIR}/include/common.hpp")
+if (EnableCotire)
+    if (EnablePrecompiledHeaders)
+        set_target_properties(cathook PROPERTIES COTIRE_CXX_PREFIX_HEADER_INIT "${CMAKE_SOURCE_DIR}/include/common.hpp")
+    endif()
     set_target_properties(cathook PROPERTIES COTIRE_ADD_UNITY_BUILD true)
     set_target_properties(cathook PROPERTIES COTIRE_UNITY_SOURCE_MAXIMUM_NUMBER_OF_INCLUDES 30)
     set_source_files_properties(${ignore_files} PROPERTIES COTIRE_EXCLUDED true)
     cotire(cathook)
-elseif(EnablePrecompiledHeaders)
+elseif(EnablePrecompiledHeaders AND NativePrecompiledHeaders)
     target_precompile_headers(cathook PRIVATE "${CMAKE_SOURCE_DIR}/include/common.hpp")
 endif()
 
 add_custom_command(TARGET cathook POST_BUILD
         COMMAND ${CMAKE_COMMAND} -E copy $<TARGET_FILE:cathook> "${CMAKE_SOURCE_DIR}/bin/$<TARGET_FILE_NAME:cathook>")
-if (EnablePrecompiledHeaders AND EnableCotire)
+if (EnableCotire)
     add_custom_command(TARGET cathook_unity POST_BUILD
             COMMAND ${CMAKE_COMMAND} -E copy $<TARGET_FILE:cathook_unity> "${CMAKE_SOURCE_DIR}/bin/$<TARGET_FILE_NAME:cathook_unity>")
 endif()