mirror of
https://github.com/MaSzyna-EU07/maszyna.git
synced 2026-11-06 04:38:37 +01:00
pch migration to modules [wip]
This commit is contained in:
maj00r
121
CMakeLists.txt
121
CMakeLists.txt
@@ -1,4 +1,4 @@
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cmake_minimum_required(VERSION 3.26)
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cmake_minimum_required(VERSION 3.28) # 3.28+: FILE_SET CXX_MODULES
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if(POLICY CMP0058)
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cmake_policy(SET CMP0058 NEW)
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endif()
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@@ -145,7 +145,6 @@ set(SOURCES
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"input/drivermouseinput.cpp"
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"utilities/translation.cpp"
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"model/material.cpp"
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"stdafx.cpp"
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"input/messaging.cpp"
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"scene/scene.cpp"
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"scene/scenenode.cpp"
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@@ -192,7 +191,6 @@ set(SOURCES
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"network/network.cpp"
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"network/message.cpp"
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"network/manager.cpp"
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"network/backend/asio.cpp"
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"widgets/vehiclelist.cpp"
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"widgets/map.cpp"
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@@ -240,10 +238,44 @@ set(SOURCES
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)
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set(DEFINITIONS)
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# Definitions that used to live at the top of stdafx.h. They must be identical in
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# every translation unit (glm is header-only and its GLM_FORCE_* switches change
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# type layout), so they are set on the target rather than in a header that a file
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# could forget to include first.
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set(DEFINITIONS ${DEFINITIONS}
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"_USE_MATH_DEFINES"
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"NOMINMAX"
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"GLFW_INCLUDE_NONE"
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"GLM_FORCE_SWIZZLE"
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"GLM_ENABLE_EXPERIMENTAL"
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"GLM_FORCE_CTOR_INIT"
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# empty value, not 1: glm/simd/platform.h defines this itself as a bare
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# #define, and a differing definition would warn on every translation unit
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"GLM_FORCE_INTRINSICS=")
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if (WIN32)
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# _WIN32_WINNT came from targetver.h, which only ever existed to be pulled in
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# by stdafx.h; keep the same Windows 7 API level now that both are gone
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set(DEFINITIONS ${DEFINITIONS} "WIN32_LEAN_AND_MEAN" "_WIN32_WINNT=0x0601")
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endif()
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if (APPLE)
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# parts of the codebase gate posix-only code on __unix__, which Apple does not define
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set(DEFINITIONS ${DEFINITIONS} "__unix__=1")
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endif()
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if (MSVC)
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set(DEFINITIONS ${DEFINITIONS} "GLM_FORCE_INLINE" "_CRTDBG_MAP_ALLOC")
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endif()
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if (CMAKE_SYSTEM_PROCESSOR MATCHES "^(aarch64|arm64|ARM64)$")
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set(DEFINITIONS ${DEFINITIONS} "GLM_FORCE_NEON")
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elseif (ENABLE_AVX2)
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set(DEFINITIONS ${DEFINITIONS} "GLM_FORCE_AVX2")
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endif()
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set(SOURCES ${SOURCES} "imgui/imgui_impl_opengl3.cpp")
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set(SOURCES ${SOURCES} "imgui/imgui_impl_opengl2.cpp")
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set_source_files_properties("imgui/imgui_impl_opengl3.cpp" PROPERTIES SKIP_PRECOMPILE_HEADERS TRUE)
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set_source_files_properties("imgui/imgui_impl_opengl2.cpp" PROPERTIES SKIP_PRECOMPILE_HEADERS TRUE)
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if (WITH_CRASHPAD)
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set(DEFINITIONS ${DEFINITIONS} "WITH_CRASHPAD")
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@@ -403,6 +435,74 @@ endif()
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add_executable(${PROJECT_NAME} ${SOURCES} ${HEADERS})
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# C++20 module interface units. They must be declared through a CXX_MODULES file
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# set so CMake runs the dependency scanner and orders the build; the matching
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# .cpp implementation units stay ordinary sources in ${SOURCES}.
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file(GLOB MODULE_INTERFACES CONFIGURE_DEPENDS "*.cppm"
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"Console/*.cppm"
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"McZapkie/*.cppm"
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"gl/*.cppm"
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"network/*.cppm"
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"vr/*.cppm"
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"network/backend/*.cppm"
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"widgets/*.cppm"
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"launcher/*.cppm"
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"extras/*.cppm"
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"global_include/*.cppm"
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"global_include/interfaces/*.cppm"
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"simulation/*.cppm"
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"scene/*.cppm"
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"rendering/*.cppm"
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"audio/*.cppm"
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"environment/*.cppm"
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"application/*.cppm"
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"input/*.cppm"
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"scripting/*.cppm"
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"model/*.cppm"
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"utilities/*.cppm"
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"world/*.cppm"
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"editor/*.cppm"
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"vehicle/*.cppm"
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"simcore/*.cppm")
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# Unlike ordinary sources, every interface unit in the file set is scanned even
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# when the feature that owns it is switched off, so the optional ones have to be
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# dropped explicitly or the scan fails on their missing SDK headers.
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list(REMOVE_ITEM MODULE_INTERFACES "${CMAKE_CURRENT_SOURCE_DIR}/world/Curve.cppm")
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if (NOT WITH_ZMQ)
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list(REMOVE_ITEM MODULE_INTERFACES "${CMAKE_CURRENT_SOURCE_DIR}/input/zmq_input.cppm")
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endif()
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if (NOT WITH_OPENVR)
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list(REMOVE_ITEM MODULE_INTERFACES "${CMAKE_CURRENT_SOURCE_DIR}/vr/openvr_imp.cppm")
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endif()
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target_sources(${PROJECT_NAME}
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PUBLIC FILE_SET CXX_MODULES
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BASE_DIRS ${CMAKE_CURRENT_SOURCE_DIR}
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FILES ${MODULE_INTERFACES})
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set_target_properties(${PROJECT_NAME} PROPERTIES CXX_STANDARD_REQUIRED ON CXX_EXTENSIONS OFF)
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# GCC's lazy loading of module interfaces trips over the simulation-core partition
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# ("failed to load pendings" / "Bad file data" while reading eu07.simcore:dynobj).
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# Loading eagerly avoids it; drop this once the compiler bug is fixed.
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# GCC 16's lazy loading of module interfaces is broken for this project: reading
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# eu07.simcore:dynobj gives "Bad file data", and eu07.glm gives "recursive lazy
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# load" / "failed to load pendings for glm::vec". Eager loading is the only way
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# through, and it costs roughly twice the memory per compiler process.
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# Drop both this and the job pool below once the compiler bug is fixed.
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if (CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
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target_compile_options(${PROJECT_NAME} PRIVATE -fno-module-lazy)
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# Eager loading makes each compiler process hold ~1 GB, so a plain -j16 needs
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# far more RAM than most machines have. This pool caps how many compilations
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# run at once no matter what -j the caller passes; raise it if you have memory
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# to spare. Ninja only.
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set(MODULE_COMPILE_JOBS "6" CACHE STRING "Concurrent compiles (bounds peak RAM; see -fno-module-lazy above)")
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set_property(GLOBAL APPEND PROPERTY JOB_POOLS module_compile=${MODULE_COMPILE_JOBS})
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set_property(TARGET ${PROJECT_NAME} PROPERTY JOB_POOL_COMPILE module_compile)
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endif()
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target_compile_definitions(${PROJECT_NAME} PRIVATE ${DEFINITIONS})
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target_include_directories(${PROJECT_NAME} PRIVATE
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@@ -444,17 +544,6 @@ if (COMPILER_HAVE_GNUC)
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set_target_properties(${PROJECT_NAME} PROPERTIES COMPILE_FLAGS "-fvisibility=hidden")
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endif()
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if(NOT ${CMAKE_VERSION} VERSION_LESS "3.16.0")
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option(USE_PCH "Use precompiled header" ON)
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if (USE_PCH)
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target_precompile_headers(${PROJECT_NAME} PRIVATE "$<$<COMPILE_LANGUAGE:CXX>:${CMAKE_CURRENT_SOURCE_DIR}/stdafx.h>")
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set_source_files_properties("/glad/src/glad.c" "ref/dds-ktx/src/dds-ktx.c" "stb/stb_image.c"
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"imgui/imgui.cpp" "imgui/imgui_demo.cpp" "imgui/imgui_draw.cpp" "imgui/imgui_widgets.cpp" "imgui/imgui_impl_glfw.cpp" "imgui/ImGuizmo.cpp"
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PROPERTIES SKIP_PRECOMPILE_HEADERS TRUE)
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endif()
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endif()
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if (USE_LTO)
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set_property(TARGET ${PROJECT_NAME} PROPERTY INTERPROCEDURAL_OPTIMIZATION TRUE)
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endif()
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