CMakeLists.txt
author koda
Tue, 11 Jun 2013 10:45:34 +0200
changeset 9192 a8a717cf4a66
parent 9190 4fc0e95e7b64
child 9198 48b92ff6238f
permissions -rw-r--r--
use BUILD_SHARED_LIBS to control whether a library is shared or static, make our bundled physfs library check for this configuration
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project(hedgewars)
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#initialise cmake environment
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cmake_minimum_required(VERSION 2.6.0)
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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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#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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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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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} (${HEDGEWARS_HASH})")
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#platform specific init code
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include(${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 -DDEBUG ${CMAKE_C_FLAGS_DEBUG}")
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    set(CMAKE_CXX_FLAGS ${CMAKE_C_FLAGS})
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    set(CMAKE_CXX_FLAGS_RELEASE ${CMAKE_C_FLAGS_RELEASE})
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    set(CMAKE_CXX_FLAGS_DEBUG ${CMAKE_C_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 -DDEBUG")
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    set(CMAKE_CXX_FLAGS_RELEASE "")
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    set(CMAKE_CXX_FLAGS_DEBUG "-Wall -DDEBUG")
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endif()
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#parse additional parameters
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if(FPFLAGS OR GHFLAGS)
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    if(CMAKE_VERSION VERSION_GREATER "2.6")
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        separate_arguments(fpflags_parsed UNIX_COMMAND ${FPFLAGS})
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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 pascal_flags ${fpflags_parsed}            # user flags
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                 "-B"                                 # compile all units
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                 "-vm4079,4080,4081"                  # fpc verbosity output format
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                 "-FE${PROJECT_BINARY_DIR}/bin"       # fpc binaries output directory
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                 "-FU${PROJECT_BINARY_DIR}/hedgewars" # fpc units output directory
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                 "-Fl${PROJECT_BINARY_DIR}/bin"       # fpc linking directory (win/unix)
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                 "-Fi${PROJECT_BINARY_DIR}/hedgewars" # fpc .inc path (for out of source builds)
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                 "-k-L${PROJECT_BINARY_DIR}/bin"      # ld linking directory (unix/osx)
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                 "-Cs2000000"                         # stack size
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                 "-vewnq"                             # fpc output verbosity
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                 "-dDEBUGFILE"                        # macro for engine output
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                 )
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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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#get BUILD_TYPE and enable/disable optimisation
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message(STATUS "Using ${CMAKE_BUILD_TYPE} configuration")
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if(CMAKE_BUILD_TYPE MATCHES "DEBUG")
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    list(APPEND pascal_flags "-O-" # disable all optimisations
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                             "-g"  # enable debug symbols
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                             "-gl" # add line info to bt
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                             "-gv" # allow valgrind
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                             )
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    list(APPEND haskell_flags "-Wall"       # all warnings
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                              "-debug"      # debug mode
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                              "-dcore-lint" # internal sanity check
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                              )
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else()
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    list(APPEND pascal_flags "-Os" # optimise for size
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                             "-Xs" # strip binary
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                             "-Si" # turn on inlining
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                             )
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    list(APPEND haskell_flags "-w" # no warnings
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                              )
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endif()
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include(${CMAKE_MODULE_PATH}/utils.cmake)
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#lua discovery
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find_package(Lua)
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if(LUA_FOUND)
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    message(STATUS "Found LUA: ${LUA_DEFAULT}")
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else()
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    message(STATUS "LUA will be provided by the bundled sources")
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    add_subdirectory(misc/liblua)
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    #linking with liblua.a requires system readline
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    list(APPEND pascal_flags "-k${EXECUTABLE_OUTPUT_PATH}/lib${LUA_LIBRARY}.a" "-k-lreadline")
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endif()
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#physfs discovery
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if (${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 ${physfs_detected_ver}, required 2.1.0)")
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            set(physfs_too_old true)
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        endif()
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    endif()
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    if (NOT PHYSFS_LIBRARY OR NOT PHYSFS_INCLUDE_DIR)
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        message(FATAL_ERROR "Missing PhysFS! Rerun cmake with -DPHYSFS_SYSTEM=off to build the internal version")
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    endif()
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else()
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    message(STATUS "PhysFS will be provided by the bundled sources")
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    set(physfs_output_name "hw_physfs")
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    add_subdirectory(misc/libphysfs)
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    #-XLA is a beta fpc flag that renames libraries before passing them to the linker
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    #we also have to pass PHYSFS_INTERNAL to satisfy windows runtime requirements
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    #(should be harmless on other platforms)
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    list(APPEND pascal_flags "-XLAphysfs=${physfs_output_name}" "-dPHYSFS_INTERNAL")
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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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#server
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if(NOT NOSERVER)
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    add_subdirectory(gameServer)
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endif()
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#main engine
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add_subdirectory(hedgewars)
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#Android related build scripts
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if(ANDROID)
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    #run cmake -DANDROID=1 to enable this
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    add_subdirectory(project_files/Android-build)
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endif()
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#TODO: when ANDROID, BUILD_ENGINE_LIBRARY should be set
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if(NOT 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()
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include(${CMAKE_MODULE_PATH}/cpackvars.cmake)
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