project(hedgewars)
#initialise cmake environment
cmake_minimum_required(VERSION 2.6.0)
if(CMAKE_VERSION VERSION_LESS "2.8")
set(WARNING "WARNING: ")
set(allow_parse_args FALSE)
else()
set(WARNING WARNING)
set(allow_parse_args TRUE)
endif()
foreach(hwpolicy CMP0003 CMP0012 CMP0017)
if(POLICY ${hwpolicy})
cmake_policy(SET ${hwpolicy} NEW)
endif()
endforeach()
set(CMAKE_MODULE_PATH "${CMAKE_SOURCE_DIR}/cmake_modules")
#possible cmake configuration
option(NOSERVER "Disable gameServer build (off)]" OFF)
option(NOPNG "Disable screenshoot compression (off)" OFF)
option(NOVIDEOREC "Disable video recording (off)" OFF)
#set this to ON when 2.1.0 becomes more widespread (and only for linux)
option(PHYSFS_SYSTEM "Use system physfs (off)" OFF)
option(LIBENGINE "Enable hwengine library (off)" OFF)
option(ANDROID "Enable Android build (off)" OFF)
if(UNIX AND NOT APPLE)
option(MINIMAL_FLAGS "Respect system flags as much as possible (off)" OFF)
else()
option(NOAUTOUPDATE "Disable OS X Sparkle update checking" OFF)
endif()
option(WEBGL "Enable WebGL build (implies NOPASCAL) [default: off]" OFF)
option(NOPASCAL "Compile hwengine as native C [default: off]" ${WEBGL})
option(GL2 "Enable OpenGL 2 rendering [default: off]" OFF)
set(FPFLAGS "" CACHE STRING "Additional Freepascal flags")
set(GHFLAGS "" CACHE STRING "Additional Haskell flags")
if(UNIX AND NOT APPLE)
set(DATA_INSTALL_DIR "share/hedgewars" CACHE STRING "Resource folder path")
endif()
#detect Mercurial revision and init rev/hash information
find_program(HGCOMMAND hg)
if(HGCOMMAND AND (EXISTS ${CMAKE_SOURCE_DIR}/.hg))
execute_process(COMMAND ${HGCOMMAND} identify -in
WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}
OUTPUT_VARIABLE internal_version
ERROR_QUIET
)
#check local repo status
string(REGEX REPLACE "[^+]" "" HGCHANGED ${internal_version})
string(REGEX REPLACE "[0-9a-zA-Z]+(.*) ([0-9]+)(.*)" "\\2" HEDGEWARS_REVISION ${internal_version})
string(REGEX REPLACE "([0-9a-zA-Z]+)(.*) [0-9]+(.*)" "\\1" HEDGEWARS_HASH ${internal_version})
if(HGCHANGED)
message(${WARNING} "You have uncommitted changes in your repository!")
endif()
#let's assume that if you have hg you might be interested in debugging
set(default_build_type "DEBUG")
#write down hash and rev for easy picking should hg be missing
file(WRITE "${CMAKE_SOURCE_DIR}/share/version_info.txt" "Hedgewars versioning information, do not modify\nrev ${HEDGEWARS_REVISION}\nhash ${HEDGEWARS_HASH}\n")
else()
set(default_build_type "RELEASE")
# when compiling outside rev control, fetch revision and hash information from version_info.txt
find_file(version_info version_info.txt PATH ${CMAKE_SOURCE_DIR}/share)
if(version_info)
file(STRINGS ${version_info} internal_version REGEX "rev")
string(REGEX REPLACE "rev ([0-9]*)" "\\1" HEDGEWARS_REVISION ${internal_version})
file(STRINGS ${version_info} internal_version REGEX "hash")
string(REGEX REPLACE "hash ([a-zA-Z0-9]*)" "\\1" HEDGEWARS_HASH ${internal_version})
else()
message(${WARNING} "${CMAKE_SOURCE_DIR}/share/version_info.txt not found, revision information "
"will be incorrect!!! Contact your source provider to fix this!")
set(HEDGEWARS_REVISION "0000")
set(HEDGEWARS_HASH "unknown")
endif()
endif()
#versioning
set(CPACK_PACKAGE_VERSION_MAJOR 0)
set(CPACK_PACKAGE_VERSION_MINOR 9)
set(CPACK_PACKAGE_VERSION_PATCH 19)
set(HEDGEWARS_PROTO_VER 45)
set(HEDGEWARS_VERSION "${CPACK_PACKAGE_VERSION_MAJOR}.${CPACK_PACKAGE_VERSION_MINOR}.${CPACK_PACKAGE_VERSION_PATCH}")
set(required_clang_version 3.0)
message(STATUS "Building ${HEDGEWARS_VERSION}-r${HEDGEWARS_REVISION} (${HEDGEWARS_HASH})")
if (${NOPASCAL})
find_package(Clang)
# Check LLVM/Clang version
if (CLANG_VERSION VERSION_LESS required_clang_version)
message(FATAL_ERROR "LLVM/Clang compiler required version is ${required_clang_version} but version ${CLANG_VERSION} was found!")
else()
message(STATUS "Found CLANG: ${CLANG_EXECUTABLE} (version ${CLANG_VERSION})")
endif()
endif(${NOPASCAL})
#where to build libs and bins
set(EXECUTABLE_OUTPUT_PATH ${PROJECT_BINARY_DIR}/bin)
set(LIBRARY_OUTPUT_PATH ${PROJECT_BINARY_DIR}/bin)
#resource paths
if(UNIX AND NOT APPLE)
set(target_binary_install_dir "bin")
set(target_library_install_dir "lib")
string(SUBSTRING "${DATA_INSTALL_DIR}" 0 1 sharepath_start)
if (NOT (${sharepath_start} MATCHES "/"))
set(HEDGEWARS_DATADIR "${CMAKE_INSTALL_PREFIX}/${DATA_INSTALL_DIR}/")
else()
set(HEDGEWARS_DATADIR "${DATA_INSTALL_DIR}/")
endif()
set(HEDGEWARS_FULL_DATADIR "${HEDGEWARS_DATADIR}")
else()
set(target_binary_install_dir "./")
if(APPLE)
set(target_library_install_dir "../Frameworks/")
set(CMAKE_INSTALL_PREFIX "Hedgewars.app/Contents/MacOS/")
set(HEDGEWARS_DATADIR "../Resources/")
set(HEDGEWARS_FULL_DATADIR "/Applications/${CMAKE_INSTALL_PREFIX}/${HEDGEWARS_DATADIR}")
elseif(WIN32)
set(target_library_install_dir "./")
set(HEDGEWARS_DATADIR "./")
set(HEDGEWARS_FULL_DATADIR "${CMAKE_INSTALL_PREFIX}/")
link_directories("${EXECUTABLE_OUTPUT_PATH}" "${CMAKE_SOURCE_DIR}/misc/winutils/bin")
endif()
endif()
if(APPLE)
set(CMAKE_FIND_FRAMEWORK "FIRST")
#what system are we building for
set(minimum_macosx_version $ENV{MACOSX_DEPLOYMENT_TARGET})
#detect on which system we are: if sw_vers cannot be found for any reason (re)use minimum_macosx_version
find_program(sw_vers sw_vers)
if(sw_vers)
execute_process(COMMAND ${sw_vers} "-productVersion"
OUTPUT_VARIABLE current_macosx_version
OUTPUT_STRIP_TRAILING_WHITESPACE)
string(REGEX REPLACE "([0-9]+.[0-9]+).[0-9]+" "\\1" current_macosx_version ${current_macosx_version})
else()
if(NOT minimum_macosx_version)
message(FATAL_ERROR "sw_vers not found! Need explicit MACOSX_DEPLOYMENT_TARGET variable set")
else()
message(${WARNING} "sw_vers not found! Fallback to MACOSX_DEPLOYMENT_TARGET variable")
set(current_macosx_version ${minimum_macosx_version})
endif()
endif()
#if nothing is set, we deploy only for the current system
if(NOT minimum_macosx_version)
set(minimum_macosx_version ${current_macosx_version})
endif()
#lower systems don't have enough processing power anyway
if (minimum_macosx_version VERSION_LESS "10.4")
message(FATAL_ERROR "Hedgewars is not supported on Mac OS X pre-10.4")
endif()
#workaround for http://playcontrol.net/ewing/jibberjabber/big_behind-the-scenes_chang.html#SDL_mixer (Update 2)
if(current_macosx_version VERSION_EQUAL "10.4")
find_package(SDL_mixer REQUIRED)
set(DYLIB_SMPEG "-dylib_file @loader_path/Frameworks/smpeg.framework/Versions/A/smpeg:${SDLMIXER_LIBRARY}/Versions/A/Frameworks/smpeg.framework/Versions/A/smpeg")
set(DYLIB_MIKMOD "-dylib_file @loader_path/Frameworks/mikmod.framework/Versions/A/mikmod:${SDLMIXER_LIBRARY}/Versions/A/Frameworks/mikmod.framework/Versions/A/mikmod")
set(CMAKE_C_FLAGS "${DYLIB_SMPEG} ${DYLIB_MIKMOD}")
list(APPEND pascal_flags "-k${DYLIB_SMPEG}" "-k${DYLIB_MIKMOD}")
endif()
#CMAKE_OSX_ARCHITECTURES and CMAKE_OSX_SYSROOT need to be set for universal binary and correct linking
if(NOT CMAKE_OSX_ARCHITECTURES)
if(current_macosx_version VERSION_LESS "10.6")
if(${CMAKE_SYSTEM_PROCESSOR} MATCHES "powerpc*")
set(CMAKE_OSX_ARCHITECTURES "ppc7400")
else()
set(CMAKE_OSX_ARCHITECTURES "i386")
endif()
else()
set(CMAKE_OSX_ARCHITECTURES "x86_64")
endif()
endif()
#CMAKE_OSX_SYSROOT is set at the system version we are supposed to build on
#we need to provide the correct one when host and target differ
if(NOT ${minimum_macosx_version} VERSION_EQUAL ${current_macosx_version})
if(minimum_macosx_version VERSION_EQUAL "10.4")
set(CMAKE_OSX_SYSROOT "/Developer/SDKs/MacOSX10.4u.sdk/")
set(CMAKE_C_COMPILER "/Developer/usr/bin/gcc-4.0")
set(CMAKE_CXX_COMPILER "/Developer/usr/bin/g++-4.0")
else()
string(REGEX REPLACE "([0-9]+.[0-9]+).[0-9]+" "\\1" sdk_version ${minimum_macosx_version})
set(CMAKE_OSX_SYSROOT "/Developer/SDKs/MacOSX${sdk_version}.sdk/")
endif()
endif()
#add user framework directory, other paths can be passed via FPFLAGS
list(APPEND pascal_flags "-Ff~/Library/Frameworks")
#set deployment target
list(APPEND pascal_flags "-k-macosx_version_min" "-k${minimum_macosx_version}" "-XR${CMAKE_OSX_SYSROOT}")
endif(APPLE)
#when build type is not specified, assume Debug/Release according to build version information
if (CMAKE_BUILD_TYPE)
string (TOUPPER ${CMAKE_BUILD_TYPE} CMAKE_BUILD_TYPE)
if ( NOT( (CMAKE_BUILD_TYPE MATCHES "RELEASE") OR (CMAKE_BUILD_TYPE MATCHES "DEBUG") ) )
set (CMAKE_BUILD_TYPE ${default_build_type} CACHE STRING "Build type (Debug/Release)" FORCE)
message (STATUS "Unknown build type, using default (${default_build_type})")
endif ()
else (CMAKE_BUILD_TYPE)
set (CMAKE_BUILD_TYPE ${default_build_type} CACHE STRING "Build type (Debug/Release)" FORCE)
endif (CMAKE_BUILD_TYPE)
#set default flags values for all projects (unless MINIMAL_FLAGS is true)
if(NOT ${MINIMAL_FLAGS})
if(WINDOWS)
#this flags prevents a few dll hell problems
set(CMAKE_C_FLAGS "-static-libgcc ${CMAKE_C_FLAGS}")
endif(WINDOWS)
set(CMAKE_C_FLAGS "-pipe ${CMAKE_C_FLAGS}")
set(CMAKE_C_FLAGS_RELEASE "-w -Os -fomit-frame-pointer ${CMAKE_C_FLAGS_RELEASE}")
set(CMAKE_C_FLAGS_DEBUG "-Wall -O0 -g -DDEBUG ${CMAKE_C_FLAGS_DEBUG}")
set(CMAKE_CXX_FLAGS ${CMAKE_C_FLAGS})
set(CMAKE_CXX_FLAGS_RELEASE ${CMAKE_C_FLAGS_RELEASE})
set(CMAKE_CXX_FLAGS_DEBUG ${CMAKE_C_FLAGS_DEBUG})
else()
#CMake adds a lot of additional configuration flags, so let's clear them up
set(CMAKE_C_FLAGS_RELEASE "")
set(CMAKE_C_FLAGS_DEBUG "-Wall -DDEBUG")
set(CMAKE_CXX_FLAGS_RELEASE "")
set(CMAKE_CXX_FLAGS_DEBUG "-Wall -DDEBUG")
endif()
#TESTING TIME
include(CheckCCompilerFlag)
#check for noexecstack on ELF, should be set on Gentoo and similar
set(CMAKE_REQUIRED_FLAGS "-Wl,-z -Wl,noexecstack")
check_c_compiler_flag("" HAVE_NOEXECSTACK) #empty because we are testing a linker flag
if(HAVE_NOEXECSTACK)
list(APPEND pascal_flags "-k-z" "-knoexecstack")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${CMAKE_REQUIRED_FLAGS}")
endif()
unset(CMAKE_REQUIRED_FLAGS)
#check for ASLR and DEP security features on Windows
#both supported in binutils >= 2.20, available since Vista and XP SP2 respectively
set(CMAKE_REQUIRED_FLAGS "-Wl,--nxcompat -Wl,--dynamicbase")
check_c_compiler_flag("" HAVE_WINASLRDEP) #empty because we are testing a linker flag
if(HAVE_WINASLRDEP)
list(APPEND pascal_flags "-k--nxcompat" "-k--dynamicbase")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${CMAKE_REQUIRED_FLAGS}")
endif()
unset(CMAKE_REQUIRED_FLAGS)
#parse additional parameters
if(FPFLAGS OR GHFLAGS)
if(${allow_parse_args})
separate_arguments(fpflags_parsed UNIX_COMMAND ${FPFLAGS})
separate_arguments(ghflags_parsed UNIX_COMMAND ${GHFLAGS})
else()
message(${WARNING} "FPFLAGS and GHFLAGS are available only when using CMake >= 2.8")
endif()
endif()
list(APPEND pascal_flags ${fpflags_parsed} # user flags
"-B" # compile all units
"-vm4079,4080,4081" # fpc verbosity output format
"-FE${PROJECT_BINARY_DIR}/bin" # fpc binaries output directory
"-FU${PROJECT_BINARY_DIR}/hedgewars" # fpc units output directory
"-Fl${PROJECT_BINARY_DIR}/bin" # fpc linking directory (win/unix)
"-Fi${PROJECT_BINARY_DIR}/hedgewars" # fpc .inc path (for out of source builds)
"-k-L${PROJECT_BINARY_DIR}/bin" # ld linking directory (unix/osx)
"-Cs2000000" # stack size
"-vewnq" # fpc output verbosity
"-dDEBUGFILE" # macro for engine output
)
list(APPEND haskell_flags ${ghflags_parsed} # user flags
"-O2" # optimise for faster code
)
#get BUILD_TYPE and enable/disable optimisation
message(STATUS "Using ${CMAKE_BUILD_TYPE} configuration")
if(CMAKE_BUILD_TYPE MATCHES "DEBUG")
list(APPEND pascal_flags "-O-" # disable all optimisations
"-g" # enable debug symbols
"-gl" # add line info to bt
"-gv" # allow valgrind
)
list(APPEND haskell_flags "-Wall" # all warnings
"-debug" # debug mode
"-dcore-lint" # internal sanity check
)
else()
list(APPEND pascal_flags "-Os" # optimise for size
"-Xs" # strip binary
"-Si" # turn on inlining
)
list(APPEND haskell_flags "-w" # no warnings
)
endif()
include(${CMAKE_MODULE_PATH}/utils.cmake)
#Haskell compiler discovery (for server and engine in c)
if((NOT NOSERVER) OR NOPASCAL)
if(GHC)
set(ghc_executable ${GHC})
else()
find_program(ghc_executable ghc)
endif()
if(ghc_executable)
exec_program(${ghc_executable} ARGS "-V" OUTPUT_VARIABLE ghc_version_long)
string(REGEX REPLACE ".*([0-9]+\\.[0-9]+\\.[0-9]+)" "\\1" ghc_version "${ghc_version_long}")
message(STATUS "Found GHC: ${ghc_executable} (version ${ghc_version})")
else()
message(STATUS "Could NOT find GHC, needed by gameServer and pas2c")
endif()
endif()
#check gameServer
if((ghc_executable) AND (NOT NOSERVER) AND (NOT WEBGL))
set(HAVE_NETSERVER true)
add_subdirectory(gameServer)
else()
message(STATUS "Skipping gameServer target")
set(HAVE_NETSERVER false)
endif()
#lua discovery
find_package(Lua)
if(LUA_FOUND AND (NOT WEBGL))
message(STATUS "Found LUA: ${LUA_DEFAULT}")
else()
message(STATUS "Using internal LUA library")
add_subdirectory(misc/liblua)
#linking with liblua.a requires system readline
list(APPEND pascal_flags "-k${EXECUTABLE_OUTPUT_PATH}/lib${LUA_LIBRARY}.a" "-k-lreadline")
endif()
#physfs discovery
if (${PHYSFS_SYSTEM})
if (NOT PHYSFS_LIBRARY OR NOT PHYSFS_INCLUDE_DIR)
find_package(PhysFS)
endif()
find_file(physfs_h physfs.h ${PHYSFS_INCLUDE_DIR})
if(physfs_h)
file(STRINGS ${physfs_h} physfs_majorversion REGEX "PHYSFS_VER_MAJOR[\t' ']+[0-9]+")
file(STRINGS ${physfs_h} physfs_minorversion REGEX "PHYSFS_VER_MINOR[\t' ']+[0-9]+")
file(STRINGS ${physfs_h} physfs_patchversion REGEX "PHYSFS_VER_PATCH[\t' ']+[0-9]+")
string(REGEX MATCH "([0-9]+)" physfs_majorversion "${physfs_majorversion}")
string(REGEX MATCH "([0-9]+)" physfs_minorversion "${physfs_minorversion}")
string(REGEX MATCH "([0-9]+)" physfs_patchversion "${physfs_patchversion}")
set(physfs_detected_ver "${physfs_majorversion}.${physfs_minorversion}.${physfs_patchversion}")
if (physfs_detected_ver VERSION_LESS "2.1.0")
message(FATAL_ERROR "PhysFS version is too old (dected ${physfs_detected_ver}, required 2.1.0)")
set(physfs_too_old true)
endif()
endif()
if (NOT PHYSFS_LIBRARY OR NOT PHYSFS_INCLUDE_DIR)
message(FATAL_ERROR "Missing PhysFS! Rerun cmake with -DPHYSFS_SYSTEM=off to build the internal version")
endif()
else()
message(STATUS "PhysFS will be provided by the bundled sources")
set(physfs_output_name "hw_physfs")
add_subdirectory(misc/libphysfs)
#-XLA is a beta fpc flag that renames libraries before passing them to the linker
#we also have to pass PHYSFS_INTERNAL to satisfy windows runtime requirements
#(should be harmless on other platforms)
list(APPEND pascal_flags "-XLAphysfs=${physfs_output_name}" "-dPHYSFS_INTERNAL")
endif()
find_package_or_disable_msg(FFMPEG NOVIDEOREC "Video recording will not be built")
#physfs helper library
add_subdirectory(misc/libphyslayer)
if(NOPASCAL)
if (NOT ghc_executable)
message(FATAL_ERROR "A Haskell compiler is required to build engine in C")
endif()
#pascal to c converter
add_subdirectory(tools/pas2c)
add_subdirectory(project_files/hwc)
else()
#main pascal engine
add_subdirectory(hedgewars)
endif()
if(WEBGL)
#WEBGL deps
else(WEBGL)
#Android related build scripts
#TODO: when ANDROID, LIBENGINE should be set
if(ANDROID)
add_subdirectory(project_files/Android-build)
else(ANDROID)
add_subdirectory(bin)
add_subdirectory(QTfrontend)
add_subdirectory(share)
add_subdirectory(tools)
endif(ANDROID)
endif(WEBGL)
include(${CMAKE_MODULE_PATH}/cpackvars.cmake)