build: Generate precompiled header only once (msvc only)

src/CMakeLists.txt

@@ -55,6 +55,8 @@ add_executable(CemuBin
 	mainLLE.cpp
 )
 
+target_precompile_headers(CemuBin REUSE_FROM CemuCommon)
+
 if(MSVC AND MSVC_VERSION EQUAL 1940)
 	# workaround for an msvc issue on VS 17.10 where generated ILK files are too large
 	# see https://developercommunity.visualstudio.com/t/After-updating-to-VS-1710-the-size-of-/10665511

src/Cafe/CMakeLists.txt

@@ -614,6 +614,8 @@ endif()
 
 set_property(TARGET CemuCafe PROPERTY MSVC_RUNTIME_LIBRARY "MultiThreaded$<$<CONFIG:Debug>:Debug>")
 
+target_precompile_headers(CemuCafe REUSE_FROM CemuCommon)
+
 target_include_directories(CemuCafe PUBLIC "../")
 
 if (glslang_VERSION VERSION_LESS "15.0.0")

src/Cemu/CMakeLists.txt

@@ -40,6 +40,8 @@ endif()
 
 set_property(TARGET CemuComponents PROPERTY MSVC_RUNTIME_LIBRARY "MultiThreaded$<$<CONFIG:Debug>:Debug>")
 
+target_precompile_headers(CemuComponents REUSE_FROM CemuCommon)
+
 target_include_directories(CemuComponents PUBLIC "../")
 
 target_link_libraries(CemuComponents PRIVATE

src/Common/CMakeLists.txt

@@ -53,14 +53,11 @@ if(LINUX)
 	)
 endif()
 
-# All the targets wanting to use the precompiled.h header
-# have to link to CemuCommon
-target_precompile_headers(CemuCommon PUBLIC precompiled.h)
+# the precompiled header is produced by CemuCommon and reused by all the other targets
+target_precompile_headers(CemuCommon PRIVATE precompiled.h)
 target_include_directories(CemuCommon PUBLIC "../")
 
 target_link_libraries(CemuCommon PRIVATE
-	Boost::nowide
-	Boost::filesystem
 	glm::glm
 )
 
@@ -69,6 +66,11 @@ if (UNIX AND NOT APPLE)
 endif()
 
 # PUBLIC because:
+# - boost/nowide/convert.hpp is included in precompiled.h
 # - boost/predef/os.h is included in platform.h
 # - fmt/core.h is included in precompiled.h
-target_link_libraries(CemuCommon PUBLIC Boost::headers fmt::fmt)
+target_link_libraries(CemuCommon PUBLIC
+	Boost::nowide
+	Boost::headers
+	fmt::fmt
+)

src/audio/CMakeLists.txt

@@ -7,6 +7,8 @@ add_library(CemuAudio
 
 set_property(TARGET CemuAudio PROPERTY MSVC_RUNTIME_LIBRARY "MultiThreaded$<$<CONFIG:Debug>:Debug>")
 
+target_precompile_headers(CemuAudio REUSE_FROM CemuCommon)
+
 if(WIN32)
 	target_sources(CemuAudio PRIVATE
 		DirectSoundAPI.cpp

src/config/CMakeLists.txt

@@ -13,6 +13,8 @@ add_library(CemuConfig
 
 set_property(TARGET CemuConfig PROPERTY MSVC_RUNTIME_LIBRARY "MultiThreaded$<$<CONFIG:Debug>:Debug>")
 
+target_precompile_headers(CemuConfig REUSE_FROM CemuCommon)
+
 target_include_directories(CemuConfig PUBLIC "../")
 
 target_link_libraries(CemuConfig PRIVATE

src/gui/wxgui/CMakeLists.txt

@@ -132,6 +132,8 @@ endif()
 
 set_property(TARGET CemuWxGui PROPERTY MSVC_RUNTIME_LIBRARY "MultiThreaded$<$<CONFIG:Debug>:Debug>")
 
+target_precompile_headers(CemuWxGui REUSE_FROM CemuCommon)
+
 
 target_include_directories(CemuWxGui PUBLIC "../")
 # PUBLIC because rapidjson/document.h is included in ChecksumTool.h

src/imgui/CMakeLists.txt

@@ -18,6 +18,8 @@ endif ()
 
 set_property(TARGET imguiImpl PROPERTY MSVC_RUNTIME_LIBRARY "MultiThreaded$<$<CONFIG:Debug>:Debug>")
 
+target_precompile_headers(imguiImpl REUSE_FROM CemuCommon)
+
 target_include_directories(imguiImpl PUBLIC "../")
 
 # imgui source files

src/input/CMakeLists.txt

@@ -43,6 +43,8 @@ add_library(CemuInput
 
 set_property(TARGET CemuInput PROPERTY MSVC_RUNTIME_LIBRARY "MultiThreaded$<$<CONFIG:Debug>:Debug>")
 
+target_precompile_headers(CemuInput REUSE_FROM CemuCommon)
+
 if(WIN32)
 	# XInput
 	target_sources(CemuInput PRIVATE

src/resource/CMakeLists.txt

@@ -2,6 +2,8 @@ add_library(CemuResource)
 
 set_property(TARGET CemuResource PROPERTY MSVC_RUNTIME_LIBRARY "MultiThreaded$<$<CONFIG:Debug>:Debug>")
 
+target_precompile_headers(CemuResource REUSE_FROM CemuCommon)
+
 enable_language(ASM)
 
 # icon resources

src/util/CMakeLists.txt

@@ -89,6 +89,8 @@ endif()
 
 set_property(TARGET CemuUtil PROPERTY MSVC_RUNTIME_LIBRARY "MultiThreaded$<$<CONFIG:Debug>:Debug>")
 
+target_precompile_headers(CemuUtil REUSE_FROM CemuCommon)
+
 target_include_directories(CemuUtil PUBLIC "../")
 
 target_link_libraries(CemuUtil PRIVATE