148 lines
4.8 KiB
CMake
148 lines
4.8 KiB
CMake
cmake_minimum_required(VERSION 3.5)
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# needed for lto to work for some reason
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cmake_policy(SET CMP0069 NEW)
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if(${PROJECT_SOURCE_DIR} MATCHES ${PROJECT_BINARY_DIR})
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message(FATAL_ERROR "In-source builds will bring you a world of pain. Please make a separate directory to invoke CMake from.")
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endif()
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# DO NOT CHANGE THIS SRB2 STRING! Some variable names depend on this string.
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# Version change is fine.
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project(SRB2
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VERSION 1.6
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LANGUAGES C CXX)
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set(CMAKE_CXX_STANDARD 17)
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set(CMAKE_CXX_STANDARD_REQUIRED ON)
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#set(CMAKE_CXX_EXTENSIONS OFF) # optional but recommended: disables GNU extensions, forces pure ISO C++
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set(CMAKE_CXX_EXTENSIONS ON)
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set(CMAKE_C_EXTENSIONS ON)
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##### PACKAGE CONFIGURATION #####
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set(SRB2_CPACK_GENERATOR "" CACHE STRING "Generator to use for making a package. E.g., ZIP, TGZ, DragNDrop (OSX only). Leave blank for default generator.")
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if("${SRB2_CPACK_GENERATOR}" STREQUAL "")
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if("${CMAKE_SYSTEM_NAME}" MATCHES "Windows")
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set(SRB2_CPACK_GENERATOR "ZIP")
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elseif("${CMAKE_SYSTEM_NAME}" MATCHES "Linux")
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set(SRB2_CPACK_GENERATOR "TGZ")
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elseif("${CMAKE_SYSTEM_NAME}" MATCHES "Darwin")
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set(SRB2_CPACK_GENERATOR "TGZ")
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endif()
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endif()
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set(CPACK_GENERATOR ${SRB2_CPACK_GENERATOR})
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set(CPACK_PACKAGE_DESCRIPTION_SUMMARY "Sonic Robo Blast 2 Kart Saturn" CACHE STRING "Program name for display purposes")
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set(CPACK_PACKAGE_VENDOR "Kart Krew" CACHE STRING "Vendor name for display purposes")
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#set(CPACK_PACKAGE_DESCRIPTION_FILE )
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set(CPACK_RESOURCE_FILE_LICENSE "${CMAKE_CURRENT_SOURCE_DIR}/LICENSE")
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set(CPACK_PACKAGE_VERSION_MAJOR ${SRB2_VERSION_MAJOR})
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set(CPACK_PACKAGE_VERSION_MINOR ${SRB2_VERSION_MINOR})
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set(CPACK_PACKAGE_VERSION_PATCH ${SRB2_VERSION_PATCH})
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set(CPACK_PACKAGE_INSTALL_DIRECTORY "CMake ${CMAKE_VERSION_MAJOR}.${CMAKE_VERSION_MINOR}")
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include(CPack)
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# Set up CMAKE path
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set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} "${CMAKE_SOURCE_DIR}/cmake/Modules/")
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### Useful functions
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# Prepend sources with current source directory
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function(prepend_sources SOURCE_FILES)
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foreach(SOURCE_FILE ${${SOURCE_FILES}})
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set(MODIFIED ${MODIFIED} ${CMAKE_CURRENT_SOURCE_DIR}/${SOURCE_FILE})
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endforeach()
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set(${SOURCE_FILES} ${MODIFIED} PARENT_SCOPE)
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endfunction()
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# Macro to add OSX framework
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macro(add_framework fwname appname)
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find_library(FRAMEWORK_${fwname}
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NAMES ${fwname}
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PATHS ${CMAKE_OSX_SYSROOT}/System/Library
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${CMAKE_OSX_SYSROOT}/Library
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/System/Library
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/Library
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ATH_SUFFIXES Frameworks
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NO_DEFAULT_PATH)
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if( ${FRAMEWORK_${fwname}} STREQUAL FRAMEWORK_${fwname}-NOTFOUND)
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MESSAGE(ERROR ": Framework ${fwname} not found")
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else()
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TARGET_LINK_LIBRARIES(${appname} PRIVATE "${FRAMEWORK_${fwname}}/${fwname}")
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MESSAGE(STATUS "Framework ${fwname} found at ${FRAMEWORK_${fwname}}")
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endif()
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endmacro()
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# Macro to copy Windows DLLs to Debug/Release folder for easy debugging
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# Note: this is general purpose, we could copy anything. Just using for DLLs on MSVC though
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macro(copy_files_to_build_dir target dlllist_var)
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if(MSVC)
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# http://stackoverflow.com/a/26983405/3064195
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foreach(dlllist_item ${${dlllist_var}})
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get_filename_component(dllname ${dlllist_item} NAME)
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add_custom_command(TARGET ${target} POST_BUILD
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COMMAND ${CMAKE_COMMAND} -E copy_if_different
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${dlllist_item}
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$<TARGET_FILE_DIR:${target}>/${dllname}
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)
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endforeach()
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endif()
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endmacro()
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# bitness check
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set(SRB2_SYSTEM_BITS 0)
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if(CMAKE_SIZEOF_VOID_P EQUAL 8)
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message(STATUS "Target is 64-bit")
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set(SRB2_SYSTEM_BITS 64)
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endif()
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if(CMAKE_SIZEOF_VOID_P EQUAL 4)
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message(STATUS "Target is 32-bit")
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set(SRB2_SYSTEM_BITS 32)
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endif()
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if(${SRB2_SYSTEM_BITS} EQUAL 0)
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message(STATUS "Target bitness is unknown")
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endif()
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# OS macros
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if (UNIX)
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add_definitions(-DUNIXCOMMON)
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add_link_options(-rdynamic) # Use -rdynamic so a backtrace log shows function names
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endif()
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if(CMAKE_COMPILER_IS_GNUCC)
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find_program(OBJCOPY objcopy)
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endif()
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if(${CMAKE_SYSTEM} MATCHES "Linux")
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add_definitions(-DLINUX)
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if(${SRB2_SYSTEM_BITS} EQUAL 64)
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add_definitions(-DLINUX64)
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endif()
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endif()
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if(${CMAKE_SYSTEM} MATCHES "Darwin")
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add_definitions(-DMACOSX)
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endif()
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set(CMAKE_RUNTIME_OUTPUT_DIRECTORY "${CMAKE_BINARY_DIR}/bin")
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set(CMAKE_PDB_OUTPUT_DIRECTORY "${CMAKE_BINARY_DIR}/bin")
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# Set EXE names so the assets CMakeLists can refer to its target
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set(SRB2_SDL2_EXE_NAME srb2kart CACHE STRING "Executable binary output name")
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include_directories(${CMAKE_CURRENT_BINARY_DIR}/src)
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add_subdirectory(src)
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add_subdirectory(assets)
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## config.h generation
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set(GIT_EXECUTABLE "git" CACHE FILEPATH "Path to git binary")
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include(GitUtilities)
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git_latest_commit(SRB2_COMP_COMMIT "${CMAKE_SOURCE_DIR}")
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git_current_branch(SRB2_GIT_BRANCH "${CMAKE_SOURCE_DIR}")
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set(SRB2_COMP_BRANCH "${SRB2_GIT_BRANCH}")
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set(SRB2_COMP_REVISION "${SRB2_COMP_COMMIT}")
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configure_file(${CMAKE_CURRENT_SOURCE_DIR}/src/config.h.in ${CMAKE_CURRENT_BINARY_DIR}/src/config.h)
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