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1c9cf24421
These are compile-time build configuration, so they belong in CMakeLists.txt where the build files can see and vary them, not in a header buried in the source tree. An Opus 4.8 session lost a long hunt looking for one of them. builddefines.h is left as an empty husk for now so that every translation unit keeps its line numbering: __LINE__ is baked into each Assert() and DebugMsg() call site, so dropping the include would move thousands of immediates and hide any real code change in the noise. With the include left in place all twelve executables (JA2, JA2MAPEDITOR, JA2UB, JA2UBMAPEDITOR, symbolize_crash and Ja2Export, in Debug and RelWithDebInfo) come out bit-identical, once the two timestamps and the CodeView GUID that lld-link rewrites on every link are normalized away. The commented-out block that also lived here is gone: JA2UB, JA2UBMAPS, JA2EDITOR, JA2BETAVERSION, JA2TESTVERSION, DEBUG_ATTACKBUSY and JA113DEMO are all names CMakeLists.txt already owns, and having them appear as dead #defines in a header is what sends readers down the wrong path. Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
257 lines
9.4 KiB
CMake
257 lines
9.4 KiB
CMake
cmake_minimum_required(VERSION 3.20)
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# /Z7 embedded debug info so objects are self-contained and sccache-able.
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# CMP0141 is a 3.25 policy; our floor is 3.20, so opt in explicitly where known.
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if(POLICY CMP0141)
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cmake_policy(SET CMP0141 NEW)
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endif()
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project(ja2)
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option(USE_SCCACHE "Cache compiled objects with sccache if installed" ON)
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if(USE_SCCACHE)
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find_program(SCCACHE_PROGRAM sccache)
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if(SCCACHE_PROGRAM)
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message(STATUS "Using sccache: ${SCCACHE_PROGRAM}")
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set(CMAKE_C_COMPILER_LAUNCHER "${SCCACHE_PROGRAM}")
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set(CMAKE_CXX_COMPILER_LAUNCHER "${SCCACHE_PROGRAM}")
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endif()
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endif()
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set(CMAKE_CXX_STANDARD 17)
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set(CMAKE_CXX_STANDARD_REQUIRED ON)
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set(CMAKE_CXX_EXTENSIONS OFF)
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option(LTO_OPTION "Enable link-time optimization if supported by compiler" OFF)
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include(CheckIPOSupported)
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check_ipo_supported(RESULT LinkTimeOptimization OUTPUT IpoError LANGUAGES C CXX)
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if(LinkTimeOptimization AND LTO_OPTION)
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message(STATUS "Configuring WITH link-time optimization")
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set(CMAKE_INTERPROCEDURAL_OPTIMIZATION TRUE)
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else()
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message(STATUS "Configuring WITHOUT link-time optimization ${IpoError}")
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endif()
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# declares the ADDRESS_SANITIZER option and the _asan genexpr used below
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include(cmake/AddressSanitizer.cmake)
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# keep frame pointers in both MSVC and clang-cl
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add_compile_options(/Oy-)
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if(CMAKE_CXX_COMPILER_ID STREQUAL "Clang")
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add_compile_options(-fno-delete-null-pointer-checks)
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endif()
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# whether we are using MSBuild as a generator
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set(usingMsBuild $<STREQUAL:${CMAKE_VS_PLATFORM_NAME},Win32>)
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# RakNetLibStatic.lib carries /DEFAULTLIB:LIBCMT and /DEFAULTLIB:libcpmt, so the
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# static runtime is forced on us until RakNet too is built from source. Debug
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# keeps its /MTd only when asan is off: asan needs the release CRT (see below).
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set(CMAKE_MSVC_RUNTIME_LIBRARY "MultiThreaded$<$<AND:$<CONFIG:Debug>,$<NOT:${_asan}>>:Debug>")
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# make Debug builds /Z7 instead of /Zi so they can be sccache'd
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set(CMAKE_MSVC_DEBUG_INFORMATION_FORMAT
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"$<$<CONFIG:Debug,RelWithDebInfo>:Embedded>")
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add_compile_definitions(CINTERFACE XML_STATIC VFS_STATIC VFS_WITH_SLF VFS_WITH_7ZIP _CRT_SECURE_NO_DEPRECATE)
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include_directories(
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"${CMAKE_SOURCE_DIR}/Ja2"
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"${CMAKE_SOURCE_DIR}/ext/VFS/include"
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"${CMAKE_SOURCE_DIR}/ext/libsmacker"
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"${CMAKE_SOURCE_DIR}/ext/lua-5.1.5/src"
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"${CMAKE_SOURCE_DIR}/Utils"
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"${CMAKE_SOURCE_DIR}/TileEngine"
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"${CMAKE_SOURCE_DIR}/TacticalAI"
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"${CMAKE_SOURCE_DIR}/ModularizedTacticalAI/include"
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"${CMAKE_SOURCE_DIR}/Tactical"
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"${CMAKE_SOURCE_DIR}/Strategic"
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"${CMAKE_SOURCE_DIR}/sgp"
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"${CMAKE_SOURCE_DIR}/Ja2/Res"
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"${CMAKE_SOURCE_DIR}/lua"
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"${CMAKE_SOURCE_DIR}/Laptop"
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"${CMAKE_SOURCE_DIR}/Multiplayer"
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"${CMAKE_SOURCE_DIR}/Editor"
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"${CMAKE_SOURCE_DIR}/i18n/include"
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)
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# external libraries
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add_subdirectory("ext/libpng")
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add_subdirectory("ext/libsmacker")
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add_subdirectory("ext/lua-5.1.5")
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add_subdirectory("ext/zlib")
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add_subdirectory("ext/VFS")
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target_link_libraries(bfVFS PRIVATE 7z)
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# turn on asan for everything defined below; 3rd party libs above keep defaults
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ja2_asan_instrument_first_party()
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# from here on down our own code only: vendored code above keeps default flags
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include(cmake/Warnings.cmake)
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# Compile-time switches for our own code. These belong to the build system, not
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# to a header: a #define buried in the source tree is invisible to anyone reading
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# the build files, and cannot be varied per configuration. Nothing below should
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# ever be reintroduced as a bare #define.
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add_compile_definitions(
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# 0verhaul: squelch the VC2K5+ warnings about printf and string operations
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# being unsafe, so real errors stay visible.
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_CRT_SECURE_NO_WARNINGS
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_CRT_NON_CONFORMING_SWPRINTFS
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_SCL_SECURE_NO_WARNINGS
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# Laptop briefing room (Jazz). Also needs BRIEFING_ROOM in ja2_options.ini and
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# a briefing-room mod, otherwise the room comes up blank.
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ENABLE_BRIEFINGROOM
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ROBOT_ALWAYS_READY
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# keep Assert() live in configurations that would otherwise compile it out
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FORCE_ASSERTS_ON
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)
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# ja2export utility
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add_subdirectory("export/src")
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# developer tools, built alongside the game
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add_subdirectory(tools)
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# static libraries whose translation units don't rely on Application preprocessor definitions.
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add_subdirectory(lua)
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add_subdirectory(Multiplayer)
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add_subdirectory(wine)
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# Rebuild the Bink import library rather than link the one the game ships: that one
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# is a 2002 long-format ordinal library, and only link.exe still binds it. lld-link
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# takes it without complaint but emits an import descriptor with an empty thunk
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# table, so every Bink call reaches a stale address and BinkInitialize faults the
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# process during the intro. mingw/GNU ar cannot do this at all, see mingw.cmake
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#
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# asan builds skip this entirely: they compile no-op Bink stubs into the exe
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# (ja2_asan_link_binkw32_stub) so no binkw32.dll is imported at all.
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if(NOT ADDRESS_SANITIZER AND NOT binkw32_lib)
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# Only the name shape differs by toolchain: lib.exe prepends the x86 leading
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# underscore to every name in the .def, llvm-lib and llvm-dlltool take the name as
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# written. The checked-in file carries the underscore for the llvm tools, so strip
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# it back off for lib.exe -- get this backwards either way and the Bink symbols
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# come out undefined at link time.
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# The test is on the compiler because it is what CMAKE_AR follows: clang-cl reports
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# COMPILER_ID Clang and brings llvm-lib, cl.exe reports MSVC and brings lib.exe. Do
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# not reach for the MSVC variable or COMPILER_FRONTEND_VARIANT here -- both are set
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# for clang-cl too, and either would strip the underscore for the wrong archiver.
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set(binkw32Def "${CMAKE_SOURCE_DIR}/binkw32.def")
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if(CMAKE_CXX_COMPILER_ID STREQUAL "MSVC")
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file(READ "${binkw32Def}" binkw32DefText)
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string(REPLACE "\n_" "\n" binkw32DefText "${binkw32DefText}")
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set(binkw32Def "${CMAKE_BINARY_DIR}/binkw32.msvc.def")
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file(WRITE "${binkw32Def}" "${binkw32DefText}")
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endif()
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execute_process(
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COMMAND "${CMAKE_AR}" /nologo /machine:X86
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"/def:${binkw32Def}" "/out:${CMAKE_BINARY_DIR}/binkw32.lib"
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RESULT_VARIABLE binkw32LibResult)
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if(NOT binkw32LibResult EQUAL 0)
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message(FATAL_ERROR "${CMAKE_AR} failed to build the binkw32 import library")
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endif()
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set(binkw32_lib "${CMAKE_BINARY_DIR}/binkw32.lib")
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endif()
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set(Ja2_Libraries
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"${CMAKE_SOURCE_DIR}/libexpatMT.lib"
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"winmm.lib"
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"ws2_32.lib"
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"winhttp.lib"
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bfVFS
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Lua
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Multiplayer
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smacker
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wine
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)
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# empty under asan (stubs compiled into the exe instead, see above)
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if(binkw32_lib)
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list(APPEND Ja2_Libraries "${binkw32_lib}")
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endif()
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# static libraries whose translation units rely on Application preprocessor definitions.
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set(Ja2_Libs
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Editor
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Ja2
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Laptop
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ModularizedTacticalAI
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sgp
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Strategic
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Tactical
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TacticalAI
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TileEngine
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Utils
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)
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foreach(lib IN LISTS Ja2_Libs)
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add_subdirectory(${lib})
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endforeach()
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# language library relies on Application preprocessor definition; compiled once per app
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# with all 8 languages built in and selected at runtime (docs/plans/language-design.md).
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add_subdirectory(i18n)
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# simple function to validate the Application choice
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include(cmake/ValidateOptions.cmake)
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set(ValidApplications JA2 JA2MAPEDITOR JA2UB JA2UBMAPEDITOR)
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ValidateOptions("${ValidApplications}" "Applications" "${Applications}" "ApplicationTargets")
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# preprocessor definitions for Debug build, per the legacy MSBuild
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set(debugFlags $<IF:$<CONFIG:Debug>,JA2BETAVERSION;JA2TESTVERSION;DEBUG_ATTACKBUSY,>)
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foreach(app IN LISTS ApplicationTargets)
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set(isEditor $<STREQUAL:${app},JA2MAPEDITOR>)
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set(isUb $<STREQUAL:${app},JA2UB>)
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set(isUbEditor $<STREQUAL:${app},JA2UBMAPEDITOR>)
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set(compilationFlags
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$<IF:${isEditor},JA2EDITOR;JA2BETAVERSION,>
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$<IF:${isUb},JA2UB;JA2UBMAPS,>
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$<IF:${isUbEditor},JA2UB;JA2UBMAPS;JA2EDITOR;JA2BETAVERSION,>
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)
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foreach(lib IN LISTS Ja2_Libs)
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# library for an application, e.g. JA2UB_sgp
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set(game_library ${app}_${lib})
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add_library(${game_library})
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target_sources(${game_library} PRIVATE ${${lib}Src})
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target_compile_definitions(${game_library} PRIVATE ${compilationFlags} ${debugFlags})
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endforeach()
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# executable for the application, e.g. JA2.exe
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set(exe ${app})
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add_executable(${exe} WIN32
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sgp/sgp.cpp
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Ja2/Res/ja2.rc
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)
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# RakNetLibStatic.lib was built against an older CRT and still calls
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# _vsnprintf, which the UCRT only exports through this compatibility library.
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target_link_libraries(${exe} PRIVATE ${Ja2_Libraries} legacy_stdio_definitions.lib)
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target_compile_definitions(${exe} PRIVATE ${compilationFlags} ${debugFlags})
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ja2_asan_link_binkw32_stub(${exe})
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# language library for the application, e.g. JA2MAPEDITOR_i18n — one per app, all 8
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# languages compiled in, selected at runtime by BindLanguageStrings
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set(language_library ${exe}_i18n)
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add_library(${language_library})
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target_sources(${language_library} PRIVATE ${i18nSrc})
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target_compile_definitions(${language_library} PRIVATE ${compilationFlags} ${debugFlags})
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target_compile_options(${language_library} PRIVATE /w14062)
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target_link_libraries(${exe} PRIVATE ${language_library})
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# go through all game libraries again and link them to the app executable
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foreach(lib IN LISTS Ja2_Libs)
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target_link_libraries(${exe} PRIVATE ${app}_${lib})
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endforeach()
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# for Utils only
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target_link_libraries(${app}_Utils PRIVATE smacker)
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# for SGP only
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target_link_libraries(${app}_sgp PRIVATE "ddraw.lib" "${PROJECT_SOURCE_DIR}/fmodvc.lib")
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target_link_libraries(${app}_sgp PRIVATE libpng)
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target_compile_definitions(${app}_sgp PRIVATE ${compilationFlags} ${debugFlags} NO_ZLIB_COMPRESSION)
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endforeach()
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