CMakeLists.txt
author koda
Tue, 18 Jun 2013 10:03:11 +0200
branchwebgl
changeset 9246 75f430ebeb74
parent 9244 bb95e351270c
child 9273 bd95c9db4f0f
permissions -rw-r--r--
new FindClang.cmake
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project(hedgewars)
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#initialise cmake environment
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cmake_minimum_required(VERSION 2.6.4)
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foreach(hwpolicy CMP0003 CMP0012 CMP0017 CMP0018)
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    if(POLICY ${hwpolicy})
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        cmake_policy(SET ${hwpolicy} NEW)
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    endif()
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endforeach()
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set(CMAKE_MODULE_PATH "${CMAKE_SOURCE_DIR}/cmake_modules")
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include(${CMAKE_MODULE_PATH}/utils.cmake)
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#possible cmake configuration
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option(NOSERVER "Disable gameServer build (off)]" OFF)
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option(NOPNG "Disable screenshoot compression (off)" OFF)
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option(NOVIDEOREC "Disable video recording (off)" OFF)
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#libraries are built shared unless explicitly added as a static
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option(BUILD_SHARED_LIBS "Build libraries as shared modules (on)" ON)
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#set this to ON when 2.1.0 becomes more widespread (and only for linux)
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option(PHYSFS_SYSTEM "Use system physfs (off)" OFF)
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if(WIN32 OR APPLE)
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    option(LUA_SYSTEM "Use system lua (off)" OFF)
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else()
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    option(LUA_SYSTEM "Use system lua (on)" ON)
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endif()
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option(BUILD_ENGINE_LIBRARY "Enable hwengine library (off)" OFF)
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option(ANDROID "Enable Android build (off)" OFF)
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if(UNIX AND NOT APPLE)
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    option(MINIMAL_FLAGS "Respect system flags as much as possible (off)" OFF)
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else()
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    option(NOAUTOUPDATE "Disable OS X Sparkle update checking" OFF)
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endif()
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option(WEBGL "Enable WebGL build (implies NOPASCAL) [default: off]" OFF)
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option(NOPASCAL "Compile hwengine as native C [default: off]" ${WEBGL})
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option(GL2 "Enable OpenGL 2 rendering [default: off]" OFF)
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set(FPFLAGS "" CACHE STRING "Additional Freepascal flags")
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set(GHFLAGS "" CACHE STRING "Additional Haskell flags")
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if(UNIX AND NOT APPLE)
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    set(DATA_INSTALL_DIR "share/hedgewars" CACHE STRING "Resource folder path")
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endif()
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#versioning
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set(CPACK_PACKAGE_VERSION_MAJOR 0)
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set(CPACK_PACKAGE_VERSION_MINOR 9)
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set(CPACK_PACKAGE_VERSION_PATCH 20)
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set(HEDGEWARS_PROTO_VER 46)
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set(HEDGEWARS_VERSION "${CPACK_PACKAGE_VERSION_MAJOR}.${CPACK_PACKAGE_VERSION_MINOR}.${CPACK_PACKAGE_VERSION_PATCH}")
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include(${CMAKE_MODULE_PATH}/revinfo.cmake)
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message(STATUS "Building ${HEDGEWARS_VERSION}-r${HEDGEWARS_REVISION} (${HEDGEWARS_HASH})")
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#general utilities
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include(${CMAKE_MODULE_PATH}/utils.cmake)
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#platform specific init code
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include(${CMAKE_MODULE_PATH}/platform.cmake)
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include(${CMAKE_MODULE_PATH}/paths.cmake)
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#when build type is not specified, assume Debug/Release according to build version information
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if (CMAKE_BUILD_TYPE)
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    string (TOUPPER ${CMAKE_BUILD_TYPE} CMAKE_BUILD_TYPE)
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    if ( NOT( (CMAKE_BUILD_TYPE MATCHES "RELEASE") OR (CMAKE_BUILD_TYPE MATCHES "DEBUG") ) )
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        set (CMAKE_BUILD_TYPE ${default_build_type} CACHE STRING "Build type (Debug/Release)" FORCE)
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        message (STATUS "Unknown build type, using default (${default_build_type})")
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    endif ()
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else (CMAKE_BUILD_TYPE)
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    set (CMAKE_BUILD_TYPE ${default_build_type} CACHE STRING "Build type (Debug/Release)" FORCE)
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endif (CMAKE_BUILD_TYPE)
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#perform safe check that enable/disable compilation features
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include(${CMAKE_MODULE_PATH}/compilerchecks.cmake)
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#set default flags values for all projects (unless MINIMAL_FLAGS is true)
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if(NOT ${MINIMAL_FLAGS})
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    set(CMAKE_C_FLAGS "-pipe ${CMAKE_C_FLAGS}")
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    set(CMAKE_C_FLAGS_RELEASE "-w -Os -fomit-frame-pointer ${CMAKE_C_FLAGS_RELEASE}")
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    set(CMAKE_C_FLAGS_DEBUG "-Wall -O0 -g ${CMAKE_C_FLAGS_DEBUG}")
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    set(CMAKE_CXX_FLAGS "-pipe ${CMAKE_CXX_FLAGS}")
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    set(CMAKE_CXX_FLAGS_RELEASE "-w -Os -fomit-frame-pointer ${CMAKE_CXX_FLAGS_RELEASE}")
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    set(CMAKE_CXX_FLAGS_DEBUG "-Wall -O0 -g ${CMAKE_CXX_FLAGS_DEBUG}")
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else()
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    #CMake adds a lot of additional configuration flags, so let's clear them up
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    set(CMAKE_C_FLAGS_RELEASE "")
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    set(CMAKE_C_FLAGS_DEBUG "-Wall")
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    set(CMAKE_CXX_FLAGS_RELEASE "")
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    set(CMAKE_CXX_FLAGS_DEBUG "-Wall")
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endif()
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#parse additional parameters
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if(FPFLAGS)
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    add_flag_prepend(CMAKE_Pascal_FLAGS ${FPFLAGS})
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endif()
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if(GHFLAGS)
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    if(${allow_parse_args})
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        separate_arguments(ghflags_parsed UNIX_COMMAND ${GHFLAGS})
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    else()
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        message("*** FPFLAGS and GHFLAGS are available only when using CMake >= 2.8 ***")
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    endif()
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endif()
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list(APPEND haskell_flags ${ghflags_parsed} # user flags
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                 "-O2"                      # optimise for faster code
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                 )
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#-vm4079,4080,4081
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add_flag_append(CMAKE_Pascal_FLAGS "-Cs2000000")
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add_flag_append(CMAKE_Pascal_FLAGS_DEBUG "-O- -gv")
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add_flag_append(CMAKE_Pascal_FLAGS_RELEASE "-Os -Xs")
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#get BUILD_TYPE and enable/disable optimisation
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message(STATUS "Using ${CMAKE_BUILD_TYPE} configuration")
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if(CMAKE_BUILD_TYPE MATCHES "DEBUG")
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    list(APPEND haskell_flags "-Wall"       # all warnings
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                              "-debug"      # debug mode
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                              "-dcore-lint" # internal sanity check
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                              "-fno-warn-unused-do-bind"
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                              )
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else()
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    list(APPEND haskell_flags "-w" # no warnings
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                              )
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endif()
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#build engine without freepascal
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if(${NOPASCAL})
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    find_package(Clang)
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    if(CLANG_VERSION VERSION_LESS "3.0")
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        message(FATAL_ERROR "LLVM/Clang compiler required version is 3.0 but version ${CLANG_VERSION} was found!")
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    endif()
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    set(CMAKE_C_COMPILER ${CLANG_EXECUTABLE})
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    set(CMAKE_CXX_COMPILER ${CLANG_EXECUTABLE})
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endif(${NOPASCAL})
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#server
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if(NOT NOSERVER)
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    add_subdirectory(gameServer)
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endif()
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#lua discovery
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if (${LUA_SYSTEM})
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    if (NOT LUA_LIBRARY OR NOT LUA_INCLUDE_DIR)
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        find_package(Lua)
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    endif()
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    if (LUA_LIBRARY AND LUA_INCLUDE_DIR)
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        set(LUA_FOUND TRUE)
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        #use an IMPORTED tharget so that we can just use 'lua' to link
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        add_library(lua UNKNOWN IMPORTED)
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        set_target_properties(lua PROPERTIES IMPORTED_LOCATION ${LUA_LIBRARY})
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    else()
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        message(FATAL_ERROR "Missing Lua! Rerun cmake with -DLUA_SYSTEM=off to build the internal version")
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    endif()
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else()
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    if (NOT LUA_LIBRARY OR NOT LUA_INCLUDE_DIR)
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        message(STATUS "LUA will be provided by the bundled sources")
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    endif()
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    set(lua_output_name "hwlua")
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    add_subdirectory(misc/liblua)
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endif()
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#physfs discovery
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if (${PHYSFS_SYSTEM})
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    if (NOT PHYSFS_LIBRARY OR NOT PHYSFS_INCLUDE_DIR)
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        find_package(PhysFS)
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    endif()
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    find_file(physfs_h physfs.h ${PHYSFS_INCLUDE_DIR})
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    if(physfs_h)
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        file(STRINGS ${physfs_h} physfs_majorversion REGEX "PHYSFS_VER_MAJOR[\t' ']+[0-9]+")
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        file(STRINGS ${physfs_h} physfs_minorversion REGEX "PHYSFS_VER_MINOR[\t' ']+[0-9]+")
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        file(STRINGS ${physfs_h} physfs_patchversion REGEX "PHYSFS_VER_PATCH[\t' ']+[0-9]+")
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        string(REGEX MATCH "([0-9]+)" physfs_majorversion "${physfs_majorversion}")
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        string(REGEX MATCH "([0-9]+)" physfs_minorversion "${physfs_minorversion}")
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        string(REGEX MATCH "([0-9]+)" physfs_patchversion "${physfs_patchversion}")
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        set(physfs_detected_ver "${physfs_majorversion}.${physfs_minorversion}.${physfs_patchversion}")
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        if (physfs_detected_ver VERSION_LESS "2.1.0")
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            message(FATAL_ERROR "PhysFS version is too old (dected ${physfs_detected_ver}, required 2.1.0)")
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            set(physfs_too_old true)
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        endif()
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    endif()
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    if (NOT PHYSFS_LIBRARY OR NOT PHYSFS_INCLUDE_DIR)
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        message(FATAL_ERROR "Missing PhysFS! Rerun cmake with -DPHYSFS_SYSTEM=off to build the internal version")
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    else()
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        #use an IMPORTED tharget so that we can just use 'physfs' to link
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        add_library(physfs UNKNOWN IMPORTED)
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        set_target_properties(physfs PROPERTIES IMPORTED_LOCATION ${PHYSFS_LIBRARY})
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    endif()
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else()
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    if (NOT PHYSFS_LIBRARY OR NOT PHYSFS_INCLUDE_DIR)
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        message(STATUS "PhysFS will be provided by the bundled sources")
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    endif()
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    set(physfs_output_name "hwphysfs")
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    add_subdirectory(misc/libphysfs)
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endif()
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find_package_or_disable_msg(FFMPEG NOVIDEOREC "Video recording will not be built")
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#physfs helper library
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add_subdirectory(misc/libphyslayer)
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if(NOT BUILD_ENGINE_LIBRARY AND APPLE)
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    add_subdirectory(hedgewars/sdlmain)
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endif()
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#TODO: nowadays this could be merged inside hedgewars/CMakeLists.txt
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if(NOPASCAL)
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    #pascal to c converter
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    add_subdirectory(tools/pas2c)
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    add_subdirectory(project_files/hwc)
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else()
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    #main pascal engine
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    add_subdirectory(hedgewars)
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endif()
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if(WEBGL)
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    #WEBGL deps
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else(WEBGL)
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    #Android related build scripts
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    #TODO: when ANDROID, BUILD_ENGINE_LIBRARY should be set
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    if(ANDROID)
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        add_subdirectory(project_files/Android-build)
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    else(ANDROID)
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        add_subdirectory(bin)
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        add_subdirectory(QTfrontend)
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        add_subdirectory(share)
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        add_subdirectory(tools)
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    endif(ANDROID)
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endif(WEBGL)
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include(${CMAKE_MODULE_PATH}/cpackvars.cmake)
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