if(${CMAKE_SOURCE_DIR} STREQUAL ${CMAKE_BINARY_DIR}) # Protop: run cmake like this: cmake -G "" -H. -Bbuild message(FATAL_ERROR "Prevented in-tree build.") endif() cmake_minimum_required(VERSION 3.1) include(ExternalProject) project(megasource) set(MEGA TRUE) set (CMAKE_CXX_STANDARD 11) if(CMAKE_SIZEOF_VOID_P EQUAL 8) set(MEGA_X64 TRUE) set(MEGA_ARCH x64) else() set(MEGA_X86 TRUE) set(MEGA_ARCH x86) endif() if(MSVC) set(CMAKE_SUPPRESS_REGENERATION TRUE) endif() if(MSVC) set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} /MP") set(CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE} /MP") if(MEGA_X86) # This prevents usage of SSE2. set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} /arch:SSE") set(CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE} /arch:SSE") endif() message(STATUS "CMAKE_CXX_FLAGS_RELEASE: ${CMAKE_CXX_FLAGS_RELEASE}") message(STATUS "CMAKE_C_FLAGS_RELEASE: ${CMAKE_C_FLAGS_RELEASE}") endif() function(add_move_dll ARG_POST_TARGET ARG_TARGET) add_custom_command(TARGET ${ARG_POST_TARGET} POST_BUILD COMMAND ${CMAKE_COMMAND} -E copy $ ${CMAKE_CURRENT_BINARY_DIR}/$/$) endfunction() function(add_move_file ARG_POST_TARGET ARG_FILE) get_filename_component(TEMP_FILENAME ${ARG_FILE} NAME) add_custom_command(TARGET ${ARG_POST_TARGET} POST_BUILD COMMAND ${CMAKE_COMMAND} -E copy ${ARG_FILE} ${CMAKE_CURRENT_BINARY_DIR}/$/${TEMP_FILENAME}) endfunction() function(disable_warnings ARG_TARGET) get_target_property(OLD_FLAGS ${ARG_TARGET} COMPILE_FLAGS) if (CMAKE_CXX_COMPILER_ID MATCHES "Clang") set(NEW_FLAGS -w) else () set(NEW_FLAGS -W0) endif () if(OLD_FLAGS) set(NEW_FLAGS "${OLD_FLAGS} ${NEW_FLAGS}") endif() set_target_properties(${ARG_TARGET} PROPERTIES COMPILE_FLAGS ${NEW_FLAGS}) endfunction() # Look for dynamic runtime DLLs. if(MSVC) if((MSVC_VERSION GREATER 1909) AND (MSVC_VERSION LESS 1920)) set(VSVERSION "141") set(VCRUNTIMEVERSION "140") elseif(MSVC_VERSION EQUAL 1900) set(VSVERSION "140") set(VCRUNTIMEVERSION "140") elseif(MSVC_VERSION EQUAL 1800) set(VSVERSION "120") set(VCRUNTIMEVERSION "120") elseif(MSVC_VERSION LESS 1800) message(WARNING "Visual Studio 2013 (VS12) or newer is required!") else() message(WARNING "Cannot determine Visual Studio version!") endif() set(VSCOMNTOOLSSTRING "VS${VSVERSION}COMNTOOLS") set(VSCOMNTOOLS "$ENV{${VSCOMNTOOLSSTRING}}") if(VSCOMNTOOLS STREQUAL "") set(PROGRAMFILES_X86 "ProgramFiles(x86)") set(VSWHERE_PATH "$ENV{${PROGRAMFILES_X86}}\\Microsoft Visual Studio\\Installer\\vswhere.exe") execute_process(COMMAND ${VSWHERE_PATH} "-property" "installationPath" OUTPUT_VARIABLE VS_INSTALL_DIR OUTPUT_STRIP_TRAILING_WHITESPACE) if(NOT(VS_INSTALL_DIR STREQUAL "")) set(VSCOMNTOOLS "${VS_INSTALL_DIR}\\Common7\\Tools") endif() message(WARNING ${VSCOMNTOOLS}) endif() if(VSCOMNTOOLS STREQUAL "") message(WARNING "Environment variable VSCOMNTOOLS not defined and vswhere.exe could not be found. Is Visual Studio properly installed?") else() get_filename_component(VS_REDIST_DIR ${VSCOMNTOOLS}/../../VC/redist/${MEGA_ARCH}/Microsoft.VC${VSVERSION}.CRT ABSOLUTE) set(MSVCP_DLL ${VS_REDIST_DIR}/msvcp${VCRUNTIMEVERSION}.dll) if(MSVC_VERSION EQUAL 1800) set(MSVCR_DLL ${VS_REDIST_DIR}/msvcr${VCRUNTIMEVERSION}.dll) else() set(MSVCR_DLL ${VS_REDIST_DIR}/vcruntime${VCRUNTIMEVERSION}.dll) endif() if (EXISTS ${MSVCP_DLL} AND EXISTS ${MSVCR_DLL}) message(STATUS "Found Visual C and C++ runtime .dll files") set(MEGA_MSVC_DLLS ${MSVCP_DLL} ${MSVCR_DLL}) else() message(WARNING "Could not find Visual C and C++ runtime .dll files") endif() # Find vcvarsall.bat. get_filename_component(VS_VCVARSALL_BAT ${VSCOMNTOOLS}/../../VC/vcvarsall.bat ABSOLUTE) if(NOT(EXISTS ${VS_VCVARSALL_BAT})) get_filename_component(VS_VCVARSALL_BAT ${VSCOMNTOOLS}/../../VC/Auxiliary/Build/vcvarsall.bat ABSOLUTE) endif() if(EXISTS ${VS_VCVARSALL_BAT}) message(STATUS "Found vcvarsall.bat") set(MEGA_MSVC_VCVARSALL_BAT ${VS_VCVARSALL_BAT}) if(MEGA_X86) set(MEGA_MSVC_VCVARSALL_BAT_ARG "x86") else() set(MEGA_MSVC_VCVARSALL_BAT_ARG "x86_amd64") endif() else() message(WARNING "Could not find vsvarsall.bat") endif() endif() endif() set(MEGA_ZLIB_VER "1.2.8") set(MEGA_PHYSFS_VER "3.0.0") set(MEGA_LUA51_VER "5.1.5") set(MEGA_LUAJIT_VER "2.0.5") set(MEGA_LIBOGG_VER "1.3.2") set(MEGA_LIBVORBIS_VER "1.3.5") set(MEGA_LIBTHEORA_VER "1.1.1") set(MEGA_MPG123_VER "1.25.6") set(MEGA_FREETYPE_VER "2.8.1") set(MEGA_SDL2_VER "2.0.5-b48d8a98e261") set(MEGA_OPENAL_VER "1.17.0") set(MEGA_MODPLUG_VER "0.8.8.4") set(SKIP_INSTALL_ALL TRUE) set(ZLIB_FOUND TRUE) set(ZLIB_LIBRARY zlibstatic) set(ZLIB_INCLUDE_DIR .) set(OGG_LIBRARY ogg-static) message(STATUS "-----------------------------------------------------") message(STATUS "Configuring: zlib ${MEGA_ZLIB_VER}") message(STATUS "-----------------------------------------------------") add_subdirectory("libs/zlib-${MEGA_ZLIB_VER}" ${CMAKE_BINARY_DIR}/zlib) set(MEGA_ZLIB zlibstatic) message(STATUS "-----------------------------------------------------") message(STATUS "Configuring: physfs ${MEGA_PHYSFS_VER}") message(STATUS "-----------------------------------------------------") add_subdirectory("libs/physfs-${MEGA_PHYSFS_VER}" ${CMAKE_BINARY_DIR}/physfs) set(MEGA_PHYSFS physfs-static) message(STATUS "-----------------------------------------------------") message(STATUS "Configuring: lua ${MEGA_LUA51_VER}") message(STATUS "-----------------------------------------------------") add_subdirectory("libs/lua-${MEGA_LUA51_VER}" ${CMAKE_BINARY_DIR}/lua51) set(MEGA_LUA51 lua51) message(STATUS "-----------------------------------------------------") message(STATUS "Configuring: libogg ${MEGA_LIBOGG_VER}") message(STATUS "-----------------------------------------------------") add_subdirectory("libs/libogg-${MEGA_LIBOGG_VER}" ${CMAKE_BINARY_DIR}/libogg) set(MEGA_LIBOGG ogg-static) message(STATUS "-----------------------------------------------------") message(STATUS "Configuring: libvorbis ${MEGA_LIBVORBIS_VER}") message(STATUS "-----------------------------------------------------") add_subdirectory("libs/libvorbis-${MEGA_LIBVORBIS_VER}" ${CMAKE_BINARY_DIR}/libvorbis) set(MEGA_LIBVORBIS vorbis-static) set(MEGA_LIBVORBISFILE vorbisfile-static) message(STATUS "-----------------------------------------------------") message(STATUS "Configuring: libtheora ${MEGA_LIBTHEORA_VER}") message(STATUS "-----------------------------------------------------") add_subdirectory("libs/libtheora-${MEGA_LIBTHEORA_VER}" ${CMAKE_BINARY_DIR}/libtheora) set(MEGA_LIBTHEORA theora-static) message(STATUS "-----------------------------------------------------") message(STATUS "Configuring: mpg123 ${MEGA_MPG123_VER}") message(STATUS "-----------------------------------------------------") add_subdirectory("libs/mpg123-${MEGA_MPG123_VER}" ${CMAKE_BINARY_DIR}/mpg123) set(MEGA_MPEG123 mpg123) message(STATUS "-----------------------------------------------------") message(STATUS "Configuring: freetype ${MEGA_FREETYPE_VER}") message(STATUS "-----------------------------------------------------") add_subdirectory("libs/freetype-${MEGA_FREETYPE_VER}" ${CMAKE_BINARY_DIR}/freetype) set(MEGA_FREETYPE freetype) message(STATUS "-----------------------------------------------------") message(STATUS "Configuring: SDL2 ${MEGA_SDL2_VER}") message(STATUS "-----------------------------------------------------") add_subdirectory("libs/SDL2" ${CMAKE_BINARY_DIR}/SDL2) set(MEGA_SDL2 SDL2) set(MEGA_SDL2MAIN SDL2main) message(STATUS "-----------------------------------------------------") message(STATUS "Configuring: openal-soft ${MEGA_OPENAL_VER}") message(STATUS "-----------------------------------------------------") add_subdirectory("libs/openal-soft" ${CMAKE_BINARY_DIR}/openal-soft) set(MEGA_OPENAL ${OPENAL_LIB_NAME}) message(STATUS "-----------------------------------------------------") message(STATUS "Configuring: libmodplug ${MEGA_MODPLUG_VER}") message(STATUS "-----------------------------------------------------") add_subdirectory("libs/libmodplug-${MEGA_MODPLUG_VER}" ${CMAKE_BINARY_DIR}/libmodplug) set(MEGA_MODPLUG modplug-static) # LuaJIT if(MSVC) message(STATUS "-----------------------------------------------------") message(STATUS "Configuring: LuaJIT ${MEGA_LUAJIT_VER}") message(STATUS "-----------------------------------------------------") set(MEGA_LUAJIT_DIR "LuaJIT") # Copy LuaJIT source to binary dir. LuaJIT builds in-source, # and we don't want to modify the original source tree, so # we copy it. file(COPY libs/${MEGA_LUAJIT_DIR} DESTINATION libs) set(MEGA_LUAJIT_SOURCE_DIR ${CMAKE_BINARY_DIR}/libs/${MEGA_LUAJIT_DIR}) set(MEGA_LUAJIT_BUILD_BAT " @echo off call \"${MEGA_MSVC_VCVARSALL_BAT}\" ${MEGA_MSVC_VCVARSALL_BAT_ARG} cd \"${MEGA_LUAJIT_SOURCE_DIR}/src\" msvcbuild.bat ") file(WRITE ${MEGA_LUAJIT_SOURCE_DIR}/megabuild.bat ${MEGA_LUAJIT_BUILD_BAT}) ExternalProject_Add(luajit SOURCE_DIR ${MEGA_LUAJIT_SOURCE_DIR} BUILD_IN_SOURCE 1 CONFIGURE_COMMAND "" BUILD_COMMAND "${MEGA_LUAJIT_SOURCE_DIR}/megabuild.bat" INSTALL_COMMAND cmake -E make_directory ${CMAKE_BINARY_DIR}/bin COMMAND cmake -E copy ${MEGA_LUAJIT_SOURCE_DIR}/src/lua51.dll ${CMAKE_BINARY_DIR}/bin COMMAND cmake -E copy ${MEGA_LUAJIT_SOURCE_DIR}/src/lua51.lib ${CMAKE_BINARY_DIR}/bin) set(MEGA_LUAJIT_LIB ${CMAKE_BINARY_DIR}/bin/lua51.lib) set(MEGA_LUAJIT_DLL ${CMAKE_BINARY_DIR}/bin/lua51.dll) set(MEGA_LUAJIT_INCLUDE ${MEGA_LUAJIT_SOURCE_DIR}/src) endif() set(MEGA_3P ${MEGA_ZLIB} ${MEGA_PHYSFS} ${MEGA_LUA51} ${MEGA_LIBOGG} ${MEGA_LIBVORBIS} ${MEGA_LIBVORBISFILE} ${MEGA_LIBTHEORA} ${MEGA_MPEG123} ${MEGA_FREETYPE} ${MEGA_SDL2} ${MEGA_SDL2MAIN} ${MEGA_OPENAL} ${MEGA_MODPLUG} ) # Set to directory of love source. Defaults to ./libs/love. if(NOT MEGA_LOVE) set(MEGA_LOVE ${CMAKE_CURRENT_SOURCE_DIR}/libs/love) endif() if(EXISTS ${MEGA_LOVE}/CMakeLists.txt) message(STATUS "-----------------------------------------------------") message(STATUS "Configuring: love") message(STATUS "-----------------------------------------------------") add_subdirectory(${MEGA_LOVE} ${CMAKE_BINARY_DIR}/love) # Turn off third-party warnings when building with LOVE. foreach(MEGA_LIB ${MEGA_3P}) disable_warnings(${MEGA_LIB}) endforeach() else() message(STATUS "LOVE was not found") endif() link_directories(${SDL_LINK_DIR}) add_executable(megatest src/test.cpp) target_link_libraries(megatest ${MEGA_3P}) add_move_dll(megatest ${MEGA_MPEG123}) add_move_dll(megatest ${MEGA_SDL2}) add_move_dll(megatest ${MEGA_OPENAL}) add_move_dll(megatest ${MEGA_LUA51})