151 lines
6.3 KiB
CMake
151 lines
6.3 KiB
CMake
cmake_minimum_required(VERSION 3.30)
|
|
|
|
# --- C++26 modules + `import std;` (clang + libc++) -------------------------
|
|
# CMake gates `import std` behind an experimental value documented in
|
|
# Help/dev/experimental.rst for the CMake version in use.
|
|
set(CMAKE_EXPERIMENTAL_CXX_IMPORT_STD "d0edc3af-4c50-42ea-a356-e2862fe7a444")
|
|
|
|
# Path to the standard-library module description. A cross toolchain overrides
|
|
# this before the compiler is probed; this default targets the Linux LLVM
|
|
# package.
|
|
if(NOT CMAKE_CXX_STDLIB_MODULES_JSON)
|
|
set(CMAKE_CXX_STDLIB_MODULES_JSON "/usr/lib/llvm-21/lib/libc++.modules.json")
|
|
endif()
|
|
|
|
# libc++ must be selected before the compiler is probed: CMake builds its
|
|
# internal standard-library module target during `project()`, and that target
|
|
# only sees `CMAKE_CXX_FLAGS` (not later `add_compile_options`). The standard
|
|
# and extension settings must also be in place before `project()` so the
|
|
# internal `std.pcm` is built with the same configuration as our modules.
|
|
set(CMAKE_CXX_FLAGS_INIT "-stdlib=libc++")
|
|
set(CMAKE_EXE_LINKER_FLAGS_INIT "-stdlib=libc++")
|
|
set(CMAKE_SHARED_LINKER_FLAGS_INIT "-stdlib=libc++")
|
|
set(CMAKE_CXX_STANDARD 26)
|
|
set(CMAKE_CXX_STANDARD_REQUIRED ON)
|
|
set(CMAKE_CXX_EXTENSIONS OFF)
|
|
set(CMAKE_CXX_SCAN_FOR_MODULES ON)
|
|
|
|
project(OpenRA3 VERSION 0.1.0 LANGUAGES CXX)
|
|
|
|
if(NOT CMAKE_BUILD_TYPE AND NOT CMAKE_CONFIGURATION_TYPES)
|
|
set(CMAKE_BUILD_TYPE Release CACHE STRING "Build type" FORCE)
|
|
endif()
|
|
|
|
set(CMAKE_RUNTIME_OUTPUT_DIRECTORY "${CMAKE_BINARY_DIR}/bin")
|
|
|
|
option(OPENRA3_WERROR "Treat warnings as errors" OFF)
|
|
|
|
function(openra3_target_defaults target)
|
|
target_compile_options(${target} PRIVATE -Wall -Wextra)
|
|
set_property(TARGET ${target} PROPERTY CXX_MODULE_STD ON)
|
|
if(OPENRA3_WERROR)
|
|
target_compile_options(${target} PRIVATE -Werror)
|
|
endif()
|
|
endfunction()
|
|
|
|
# --- SDL3: pkg-config on Linux, or an explicit MinGW root for Windows --------
|
|
add_library(openra3_sdl3 INTERFACE)
|
|
set(OPENRA3_HAS_SDL3 OFF)
|
|
if(OPENRA3_SDL3_ROOT)
|
|
target_include_directories(openra3_sdl3 INTERFACE "${OPENRA3_SDL3_ROOT}/x86_64-w64-mingw32/include")
|
|
target_link_libraries(openra3_sdl3 INTERFACE "${OPENRA3_SDL3_ROOT}/x86_64-w64-mingw32/lib/libSDL3.dll.a")
|
|
set(OPENRA3_HAS_SDL3 ON)
|
|
else()
|
|
find_package(PkgConfig QUIET)
|
|
if(PkgConfig_FOUND)
|
|
pkg_check_modules(SDL3 QUIET IMPORTED_TARGET sdl3)
|
|
endif()
|
|
if(SDL3_FOUND)
|
|
target_link_libraries(openra3_sdl3 INTERFACE PkgConfig::SDL3)
|
|
set(OPENRA3_HAS_SDL3 ON)
|
|
endif()
|
|
endif()
|
|
if(OPENRA3_HAS_SDL3)
|
|
message(STATUS "OpenRA3: SDL3 found - windowed viewer enabled")
|
|
else()
|
|
message(STATUS "OpenRA3: SDL3 not found - offscreen BMP output only")
|
|
endif()
|
|
|
|
# --- engine core -------------------------------------------------------------
|
|
add_library(ra3_core STATIC)
|
|
target_sources(ra3_core PUBLIC FILE_SET CXX_MODULES FILES src/core/ra3.core.cppm)
|
|
openra3_target_defaults(ra3_core)
|
|
|
|
# --- game logic --------------------------------------------------------------
|
|
add_library(ra3_logic STATIC)
|
|
target_sources(ra3_logic PUBLIC FILE_SET CXX_MODULES FILES src/logic/ra3.logic.cppm)
|
|
target_link_libraries(ra3_logic PUBLIC ra3_core)
|
|
openra3_target_defaults(ra3_logic)
|
|
|
|
# --- client ------------------------------------------------------------------
|
|
add_library(ra3_client STATIC)
|
|
target_sources(ra3_client PUBLIC FILE_SET CXX_MODULES FILES src/client/ra3.client.cppm)
|
|
target_link_libraries(ra3_client PUBLIC ra3_core ra3_logic)
|
|
openra3_target_defaults(ra3_client)
|
|
|
|
# --- RA3 game definitions ----------------------------------------------------
|
|
add_library(ra3_game STATIC)
|
|
target_sources(ra3_game PUBLIC FILE_SET CXX_MODULES FILES src/game/ra3.game.cppm)
|
|
target_link_libraries(ra3_game PUBLIC ra3_core ra3_logic)
|
|
openra3_target_defaults(ra3_game)
|
|
|
|
# --- filesystem: BIG4 + RefPack ---------------------------------------------
|
|
add_library(ra3_fs STATIC)
|
|
target_sources(ra3_fs PUBLIC FILE_SET CXX_MODULES FILES src/fs/ra3.fs.cppm)
|
|
target_link_libraries(ra3_fs PUBLIC ra3_core)
|
|
openra3_target_defaults(ra3_fs)
|
|
|
|
# --- map discovery/loading ---------------------------------------------------
|
|
add_library(ra3_map STATIC)
|
|
target_sources(ra3_map PUBLIC FILE_SET CXX_MODULES FILES src/map/ra3.map.cppm)
|
|
target_link_libraries(ra3_map PUBLIC ra3_core ra3_fs)
|
|
openra3_target_defaults(ra3_map)
|
|
|
|
# --- minimal skirmish simulation --------------------------------------------
|
|
add_library(ra3_skirmish STATIC)
|
|
target_sources(ra3_skirmish PUBLIC FILE_SET CXX_MODULES FILES src/skirmish/ra3.skirmish.cppm)
|
|
target_link_libraries(ra3_skirmish PUBLIC ra3_core ra3_logic ra3_game ra3_map)
|
|
openra3_target_defaults(ra3_skirmish)
|
|
|
|
# --- software renderer -------------------------------------------------------
|
|
add_library(ra3_render STATIC)
|
|
target_sources(ra3_render PUBLIC FILE_SET CXX_MODULES FILES src/render/ra3.render.cppm)
|
|
target_link_libraries(ra3_render PUBLIC ra3_core)
|
|
openra3_target_defaults(ra3_render)
|
|
|
|
# --- windowed viewer (SDL3 or null) -----------------------------------------
|
|
add_library(ra3_ui STATIC)
|
|
if(OPENRA3_HAS_SDL3)
|
|
target_sources(ra3_ui PUBLIC FILE_SET CXX_MODULES FILES src/ui/ra3.ui.sdl.cppm)
|
|
target_link_libraries(ra3_ui PUBLIC ra3_core ra3_render openra3_sdl3)
|
|
else()
|
|
target_sources(ra3_ui PUBLIC FILE_SET CXX_MODULES FILES src/ui/ra3.ui.null.cppm)
|
|
target_link_libraries(ra3_ui PUBLIC ra3_core ra3_render)
|
|
endif()
|
|
openra3_target_defaults(ra3_ui)
|
|
|
|
# --- umbrella -----------------------------------------------------------------
|
|
add_library(ra3 STATIC)
|
|
target_sources(ra3 PUBLIC FILE_SET CXX_MODULES FILES src/ra3.cppm)
|
|
target_link_libraries(ra3 PUBLIC ra3_core ra3_logic ra3_client ra3_game ra3_fs ra3_map ra3_skirmish ra3_render ra3_ui)
|
|
openra3_target_defaults(ra3)
|
|
|
|
# --- executable ---------------------------------------------------------------
|
|
add_executable(openra3 apps/openra3/main.cpp)
|
|
target_link_libraries(openra3 PRIVATE ra3)
|
|
openra3_target_defaults(openra3)
|
|
|
|
if(WIN32 AND OPENRA3_SDL3_ROOT)
|
|
add_custom_command(TARGET openra3 POST_BUILD
|
|
COMMAND ${CMAKE_COMMAND} -E copy_if_different
|
|
"${OPENRA3_SDL3_ROOT}/x86_64-w64-mingw32/bin/SDL3.dll"
|
|
"$<TARGET_FILE_DIR:openra3>")
|
|
endif()
|
|
|
|
# --- tests --------------------------------------------------------------------
|
|
enable_testing()
|
|
add_executable(ra3_tests tests/ra3_tests.cpp)
|
|
target_link_libraries(ra3_tests PRIVATE ra3)
|
|
openra3_target_defaults(ra3_tests)
|
|
add_test(NAME ra3_tests COMMAND ra3_tests)
|