cmake_minimum_required( VERSION 2.8.7 ) project(GZDoom) if( COMMAND cmake_policy ) if( POLICY CMP0011 ) cmake_policy( SET CMP0011 NEW ) endif() if( POLICY CMP0054 ) cmake_policy( SET CMP0054 NEW ) endif() endif() list( APPEND CMAKE_MODULE_PATH ${CMAKE_CURRENT_SOURCE_DIR} ) include( CreateLaunchers ) include( FindPackageHandleStandardArgs ) # Produce a warning if XP support will be missing. if( MSVC14 AND NOT CMAKE_GENERATOR_TOOLSET STREQUAL "v140_xp" ) message( WARNING "This project supports Windows XP (including XP x64), but you must set the optional toolset to v140_xp manually to have it in your build! Use -T \"v140_xp\" from the command prompt." ) endif() # Support cross compiling option( FORCE_CROSSCOMPILE "Turn on cross compiling." NO ) if( FORCE_CROSSCOMPILE ) set( CMAKE_CROSSCOMPILING TRUE ) endif() if(CMAKE_CROSSCOMPILING) set(IMPORT_EXECUTABLES "IMPORTFILE-NOTFOUND" CACHE FILEPATH "Export file from native build.") include(${IMPORT_EXECUTABLES}) endif() # Recursive function to place PK3 archive source files into a hierarchy of source file in the IDE function( assort_pk3_source_folder FOLDER_NAME PK3_DIR ) # Assort source files into folders in the IDE file(GLOB PK3_SRCS ${PK3_DIR}/*) # Create list of all files in this folder foreach(PK3_SRC ${PK3_SRCS}) # If there are subfolders, recurse into them if(IS_DIRECTORY ${PK3_SRC}) get_filename_component(DIRNAME ${PK3_SRC} NAME) # Exclude folder from list of source files list(REMOVE_ITEM PK3_SRCS ${PK3_SRC}) # Recurse deeper into the filesystem folder tree assort_pk3_source_folder( ${FOLDER_NAME}\\${DIRNAME} ${PK3_SRC} ) endif() # Assign IDE group for current top-level source files source_group(${FOLDER_NAME} FILES ${PK3_SRCS}) endforeach() endfunction() # Simplify pk3 building, add_pk3(filename srcdirectory) function( add_pk3 PK3_NAME PK3_DIR ) # message(STATUS "Creating build rule for PK3 ${PK3_NAME} ${PK3_DIR}") # Generate target name. Just use "pk3" for main pk3 target. string( REPLACE "." "_" PK3_TARGET ${PK3_NAME} ) if( ${PK3_TARGET} STREQUAL "zdoom_pk3" ) set( PK3_TARGET "pk3" ) endif() if( NOT ZDOOM_OUTPUT_OLDSTYLE ) add_custom_command( OUTPUT ${ZDOOM_OUTPUT_DIR}/${PK3_NAME} COMMAND zipdir -udf ${ZDOOM_OUTPUT_DIR}/${PK3_NAME} ${PK3_DIR} COMMAND ${CMAKE_COMMAND} -E copy_if_different ${ZDOOM_OUTPUT_DIR}/${PK3_NAME} $<TARGET_FILE_DIR:zdoom>/${PK3_NAME} DEPENDS zipdir ) else() add_custom_command( OUTPUT ${ZDOOM_OUTPUT_DIR}/${PK3_NAME} COMMAND zipdir -udf ${ZDOOM_OUTPUT_DIR}/${PK3_NAME} ${PK3_DIR} DEPENDS zipdir ) endif() # Create a list of source files for this PK3, for use in the IDE # Phase 1: Create a list of all source files for this PK3 archive, except # for a couple of strife image file names that confuse CMake. file(GLOB_RECURSE PK3_SRCS ${PK3_DIR}/*) # Exclude from the source list some gzdoom .png files with brackets in the # file names here, because they confuse CMake. # This only affects the list of source files shown in the IDE. # It does not actually remove the files from the PK3 archive. # First replace that toxic bracket character with something we can handle string(REPLACE "[" confusing_bracket PK3_SRCS "${PK3_SRCS}") string(REPLACE "]" confusing_bracket PK3_SRCS "${PK3_SRCS}") foreach(PK3_SRC ${PK3_SRCS}) # All source files at all levels # Exclude those quarantined source file source file names that once had a bracket if(${PK3_SRC} MATCHES confusing_bracket) # message(STATUS "Ignoring PK3 file name containing brackets "${PK3_SRC}) list(REMOVE_ITEM PK3_SRCS ${PK3_SRC}) endif() endforeach() # Phase 2: Create the PK3 build rule, including the source file list for the IDE # Touch the zipdir executable here so that the pk3s are forced to # rebuild each time since their dependency has "changed." add_custom_target( ${PK3_TARGET} ALL COMMAND ${CMAKE_COMMAND} -E touch $<TARGET_FILE:zipdir> DEPENDS ${ZDOOM_OUTPUT_DIR}/${PK3_NAME} SOURCES ${PK3_SRCS}) # Phase 3: Assign source files to a nice folder structure in the IDE assort_pk3_source_folder("Source Files" ${PK3_DIR}) # Phase 4: Add the resulting PK3 to the install target. if( WIN32 ) set( INSTALL_PK3_PATH . CACHE STRING "Directory where zdoom.pk3 will be placed during install." ) else() set( INSTALL_PK3_PATH share/games/doom CACHE STRING "Directory where zdoom.pk3 will be placed during install." ) endif() install(FILES "${PROJECT_BINARY_DIR}/${PK3_NAME}" DESTINATION ${INSTALL_PK3_PATH} COMPONENT "Game resources") endfunction() # Macro for building libraries without debugging information macro( make_release_only ) set( CMAKE_C_FLAGS_MINSIZEREL ${CMAKE_C_FLAGS_RELEASE} ) set( CMAKE_C_FLAGS_RELWITHDEBINFO ${CMAKE_C_FLAGS_RELEASE} ) string( REPLACE "/MT " "/MTd " CMAKE_C_FLAGS_DEBUG ${CMAKE_C_FLAGS_RELEASE} ) set( CMAKE_CXX_FLAGS_MINSIZEREL ${CMAKE_CXX_FLAGS_RELEASE} ) set( CMAKE_CXX_FLAGS_RELWITHDEBINFO ${CMAKE_CXX_FLAGS_RELEASE} ) string( REPLACE "/MT " "/MTd " CMAKE_CXX_FLAGS_DEBUG ${CMAKE_CXX_FLAGS_RELEASE} ) endmacro() IF( NOT CMAKE_BUILD_TYPE ) SET( CMAKE_BUILD_TYPE Debug CACHE STRING "Choose the type of build, options are: Debug Release RelWithDebInfo MinSizeRel." FORCE ) ENDIF() set( ZDOOM_OUTPUT_DIR ${CMAKE_BINARY_DIR} CACHE PATH "Directory where zdoom.pk3 and the executable will be created." ) set( ZDOOM_EXE_NAME "gzdoom" CACHE FILEPATH "Name of the executable to create" ) if( MSVC ) # Allow the user to use ZDOOM_OUTPUT_DIR as a single release point. # Use zdoom, zdoomd, zdoom64, and zdoomd64 for the binary names option( ZDOOM_OUTPUT_OLDSTYLE "Don't use Release/Debug directories." OFF ) else() set( ZDOOM_OUTPUT_OLDSTYLE OFF ) endif() # Replacement variables for a possible long list of C/C++ compilers compatible with GCC if( "${CMAKE_C_COMPILER_ID}" STREQUAL "GNU" OR "${CMAKE_C_COMPILER_ID}" STREQUAL "Clang" ) set( ZD_CMAKE_COMPILER_IS_GNUC_COMPATIBLE TRUE ) else() set( ZD_CMAKE_COMPILER_IS_GNUC_COMPATIBLE FALSE ) endif() if( "${CMAKE_CXX_COMPILER_ID}" STREQUAL "GNU" OR "${CMAKE_CXX_COMPILER_ID}" STREQUAL "Clang" ) set( ZD_CMAKE_COMPILER_IS_GNUCXX_COMPATIBLE TRUE ) else() set( ZD_CMAKE_COMPILER_IS_GNUCXX_COMPATIBLE FALSE ) endif() if( ZD_CMAKE_COMPILER_IS_GNUCXX_COMPATIBLE ) set( PROFILE 0 CACHE BOOL "Enable profiling with gprof for Debug and RelWithDebInfo build types." ) endif() set(CMAKE_MODULE_PATH "${CMAKE_SOURCE_DIR}") option( NO_FMOD "Disable FMODEx sound support" OFF ) option( NO_OPENAL "Disable OpenAL sound support" OFF ) find_package( BZip2 ) find_package( JPEG ) find_package( ZLIB ) # GME find_path( GME_INCLUDE_DIR gme/gme.h ) find_library( GME_LIBRARIES gme ) mark_as_advanced( GME_INCLUDE_DIR GME_LIBRARIES ) FIND_PACKAGE_HANDLE_STANDARD_ARGS( GME REQUIRED_VARS GME_LIBRARIES GME_INCLUDE_DIR ) if( MSVC ) # Eliminate unreferenced functions and data # Perform identical COMDAT folding set( REL_LINKER_FLAGS "/opt:ref /opt:icf /nodefaultlib:msvcrt /TSAWARE /LARGEADDRESSAWARE" ) # String pooling # Function-level linking # Disable run-time type information set( ALL_C_FLAGS "/GF /Gy /GR-" ) if( CMAKE_SIZEOF_VOID_P MATCHES "4") # SSE2 option (to allow x87 in 32 bit and disallow extended feature sets which have not yet been checked for precision) option (ZDOOM_USE_SSE2 "Use SSE2 instruction set") if (ZDOOM_USE_SSE2) set( ALL_C_FLAGS "${ALL_C_FLAGS} /arch:SSE2") else () if (MSVC_VERSION GREATER 1699) # On Visual C++ 2012 and later SSE2 is the default, so we need to switch it off explicitly set( ALL_C_FLAGS "${ALL_C_FLAGS} /arch:IA32") endif () endif () else() set( ALL_C_FLAGS "${ALL_C_FLAGS} /arch:SSE2") endif() # Avoid CRT DLL dependancies in release builds, optionally generate assembly output for checking crash locations. option( ZDOOM_GENERATE_ASM "Generate assembly output." OFF ) if( ZDOOM_GENERATE_ASM ) set( REL_C_FLAGS "/MT /Oy /Oi /FAcs" ) else() set( REL_C_FLAGS "/MT /Oy /Oi" ) endif() # Debug allocations in debug builds set( DEB_C_FLAGS "/D _CRTDBG_MAP_ALLOC /MTd" ) # Disable warnings for unsecure CRT functions from VC8+ if( MSVC_VERSION GREATER 1399 ) set( ALL_C_FLAGS "${ALL_C_FLAGS} /wd4996" ) endif() # The CMake configurations set /GR and /MD by default, which conflict with our settings. string(REPLACE "/MD " " " CMAKE_CXX_FLAGS_RELEASE ${CMAKE_CXX_FLAGS_RELEASE} ) string(REPLACE "/MD " " " CMAKE_CXX_FLAGS_MINSIZEREL ${CMAKE_CXX_FLAGS_MINSIZEREL} ) string(REPLACE "/MD " " " CMAKE_CXX_FLAGS_RELWITHDEBINFO ${CMAKE_CXX_FLAGS_RELWITHDEBINFO} ) string(REPLACE "/MDd " " " CMAKE_CXX_FLAGS_DEBUG ${CMAKE_CXX_FLAGS_DEBUG} ) string(REPLACE "/MD " " " CMAKE_C_FLAGS_RELEASE ${CMAKE_C_FLAGS_RELEASE} ) string(REPLACE "/MD " " " CMAKE_C_FLAGS_MINSIZEREL ${CMAKE_C_FLAGS_MINSIZEREL} ) string(REPLACE "/MD " " " CMAKE_C_FLAGS_RELWITHDEBINFO ${CMAKE_C_FLAGS_RELWITHDEBINFO} ) string(REPLACE "/MDd " " " CMAKE_C_FLAGS_DEBUG ${CMAKE_C_FLAGS_DEBUG} ) string(REPLACE " /GR" " " CMAKE_CXX_FLAGS ${CMAKE_CXX_FLAGS} ) else() set( REL_LINKER_FLAGS "" ) set( ALL_C_FLAGS "-ffp-contract=off" ) set( REL_C_FLAGS "" ) set( DEB_C_FLAGS "" ) # If we're compiling with a custom GCC on the Mac (which we know since g++-4.2 doesn't support C++11) statically link libgcc. if( APPLE AND "${CMAKE_C_COMPILER_ID}" STREQUAL "GNU" ) set( ALL_C_FLAGS "-static-libgcc" ) endif() endif() set( CMAKE_EXE_LINKER_FLAGS_RELEASE "${CMAKE_EXE_LINKER_FLAGS_RELEASE} ${REL_LINKER_FLAGS}" ) set( CMAKE_EXE_LINKER_FLAGS_MINSIZEREL "${CMAKE_EXE_LINKER_FLAGS_MINSIZEREL} ${REL_LINKER_FLAGS}" ) set( CMAKE_EXE_LINKER_FLAGS_RELWITHDEBINFO "${CMAKE_EXE_LINKER_FLAGS_RELWITHDEBINFO} ${REL_LINKER_FLAGS}" ) set( CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${ALL_C_FLAGS}" ) set( CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE} ${REL_C_FLAGS}" ) set( CMAKE_C_FLAGS_MINSIZEREL "${CMAKE_C_FLAGS_MINSIZEREL} ${REL_C_FLAGS}" ) set( CMAKE_C_FLAGS_RELWITHDEBINFO "${CMAKE_C_FLAGS_RELWITHDEBINFO} ${REL_C_FLAGS}" ) set( CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG} ${DEB_C_FLAGS} -D_DEBUG" ) set( CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${ALL_C_FLAGS}" ) set( CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} ${REL_C_FLAGS}" ) set( CMAKE_CXX_FLAGS_MINSIZEREL "${CMAKE_CXX_FLAGS_MINSIZEREL} ${REL_C_FLAGS}" ) set( CMAKE_CXX_FLAGS_RELWITHDEBINFO "${CMAKE_CXX_FLAGS_RELWITHDEBINFO} ${REL_C_FLAGS}" ) set( CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} ${DEB_C_FLAGS} -D_DEBUG" ) option(FORCE_INTERNAL_ZLIB "Use internal zlib") option(FORCE_INTERNAL_JPEG "Use internal jpeg") option(FORCE_INTERNAL_BZIP2 "Use internal bzip2") option(FORCE_INTERNAL_GME "Use internal gme") # Fast math flags, required by some subprojects set( ZD_FASTMATH_FLAG "" ) if( ZD_CMAKE_COMPILER_IS_GNUCXX_COMPATIBLE ) set( ZD_FASTMATH_FLAG "-ffast-math -ffp-contract=fast" ) elseif( MSVC ) set( ZD_FASTMATH_FLAG "/fp:fast" ) endif() if( ZLIB_FOUND AND NOT FORCE_INTERNAL_ZLIB ) message( STATUS "Using system zlib, includes found at ${ZLIB_INCLUDE_DIR}" ) else() message( STATUS "Using internal zlib" ) set( SKIP_INSTALL_ALL TRUE ) # Avoid installing zlib alongside zdoom add_subdirectory( zlib ) set( ZLIB_INCLUDE_DIR ${CMAKE_CURRENT_SOURCE_DIR}/zlib ) set( ZLIB_LIBRARIES z ) set( ZLIB_LIBRARY z ) endif() if( JPEG_FOUND AND NOT FORCE_INTERNAL_JPEG ) message( STATUS "Using system jpeg library, includes found at ${JPEG_INCLUDE_DIR}" ) else() message( STATUS "Using internal jpeg library" ) add_subdirectory( jpeg-6b ) set( JPEG_INCLUDE_DIR ${CMAKE_CURRENT_SOURCE_DIR}/jpeg-6b ) set( JPEG_LIBRARIES jpeg ) set( JPEG_LIBRARY jpeg ) endif() if( BZIP2_FOUND AND NOT FORCE_INTERNAL_BZIP2 ) message( STATUS "Using system bzip2 library, includes found at ${BZIP2_INCLUDE_DIR}" ) else() message( STATUS "Using internal bzip2 library" ) add_subdirectory( bzip2 ) set( BZIP2_INCLUDE_DIR "${CMAKE_CURRENT_SOURCE_DIR}/bzip2" ) set( BZIP2_LIBRARIES bz2 ) set( BZIP2_LIBRARY bz2 ) endif() if( GME_FOUND AND NOT FORCE_INTERNAL_GME ) message( STATUS "Using system gme library, includes found at ${GME_INCLUDE_DIR}" ) else() message( STATUS "Using internal gme library" ) add_subdirectory( game-music-emu ) set( GME_INCLUDE_DIR "${CMAKE_CURRENT_SOURCE_DIR}/game-music-emu" ) set( GME_LIBRARIES gme ) endif() set( LZMA_INCLUDE_DIR "${CMAKE_CURRENT_SOURCE_DIR}/lzma/C" ) if( NOT CMAKE_CROSSCOMPILING ) if( NOT CROSS_EXPORTS ) set( CROSS_EXPORTS "" ) endif() endif() # Install the entire docs directory in the distributed zip package if( WIN32 ) set( INSTALL_DOCS_PATH docs CACHE STRING "Directory where the documentation will be placed during install." ) else() set( INSTALL_DOCS_PATH share/doc/${ZDOOM_EXE_NAME} CACHE STRING "Directory where the zdoom documentation will be placed during install." ) endif() install(DIRECTORY docs/ DESTINATION ${INSTALL_DOCS_PATH} COMPONENT "Documentation") add_subdirectory( lzma ) add_subdirectory( tools ) add_subdirectory( dumb ) add_subdirectory( gdtoa ) add_subdirectory( wadsrc ) add_subdirectory( wadsrc_bm ) add_subdirectory( wadsrc_lights ) add_subdirectory( src ) if( NOT WIN32 AND NOT APPLE ) add_subdirectory( output_sdl ) endif() if( NOT CMAKE_CROSSCOMPILING ) export(TARGETS ${CROSS_EXPORTS} FILE "${CMAKE_BINARY_DIR}/ImportExecutables.cmake" ) endif()