cmake_modules/platform.cmake
author Wuzzy <Wuzzy2@mail.ru>
Tue, 02 Apr 2019 01:03:39 +0200
changeset 14740 7b2bd37d7503
parent 11362 ed5a6478e710
child 15312 5b2dec63f4cf
permissions -rw-r--r--
Fix inconsistencies in guest nick name generation When the setting net/nick is empty, HW generates a guest name. But there were several problems: - Team name did not match guest name - Random guest number was re-rolled multiple times, causing inconsistencies - Guest number was often too large (now capped at 99999)
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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if(APPLE)
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    if(${CMAKE_VERSION} VERSION_GREATER "2.8.10.2" AND
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       ${CMAKE_VERSION} VERSION_LESS "2.8.12.1")
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        message(FATAL_ERROR "This version of CMake is known *not* to work, please update or use a lower version")
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    endif()
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    set(CMAKE_FIND_FRAMEWORK "FIRST")
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    #what system are we building for
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    set(minimum_macosx_version $ENV{MACOSX_DEPLOYMENT_TARGET})
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    #detect on which system we are: if sw_vers cannot be found for any reason (re)use minimum_macosx_version
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    find_program(sw_vers sw_vers)
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    if(sw_vers)
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        execute_process(COMMAND ${sw_vers} "-productVersion"
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                        OUTPUT_VARIABLE current_macosx_version
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                        OUTPUT_STRIP_TRAILING_WHITESPACE)
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        string(REGEX REPLACE "([0-9]+.[0-9]+).[0-9]+" "\\1" current_macosx_version ${current_macosx_version})
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    else()
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        if(NOT minimum_macosx_version)
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            message(FATAL_ERROR "sw_vers not found! Need explicit MACOSX_DEPLOYMENT_TARGET variable set")
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        else()
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            message("*** sw_vers not found! Fallback to MACOSX_DEPLOYMENT_TARGET variable ***")
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            set(current_macosx_version ${minimum_macosx_version})
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        endif()
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    endif()
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    #if nothing is set, we deploy only for the current system
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    if(NOT minimum_macosx_version)
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        set(minimum_macosx_version ${current_macosx_version})
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    endif()
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    #10.3 systems don't have enough processing power anyway
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    #10.4 does not have @rpath support (which SDL uses)
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    if(minimum_macosx_version VERSION_LESS "10.5")
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        message(FATAL_ERROR "Hedgewars is not supported on your version of Mac OS X")
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    endif()
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    if(NOT CMAKE_OSX_ARCHITECTURES)
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        if(current_macosx_version VERSION_LESS "10.6")
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            #SDL is only 32 bit on older OS version
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            if(${CMAKE_SYSTEM_PROCESSOR} MATCHES "powerpc*")
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                set(CMAKE_OSX_ARCHITECTURES "ppc7400")
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            else()
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                set(CMAKE_OSX_ARCHITECTURES "i386")
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            endif()
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        endif()
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    endif()
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    #parse this system variable and adjust only the powerpc syntax to be compatible with -P
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    if(CMAKE_OSX_ARCHITECTURES)
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        string(REGEX MATCH "[pP][pP][cC]+" powerpc_build "${CMAKE_OSX_ARCHITECTURES}")
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        string(REGEX MATCH "[iI]386+" i386_build "${CMAKE_OSX_ARCHITECTURES}")
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        string(REGEX MATCH "[xX]86_64+" x86_64_build "${CMAKE_OSX_ARCHITECTURES}")
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        if(x86_64_build)
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            add_flag_prepend(CMAKE_Pascal_FLAGS -Px86_64)
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        elseif(i386_build)
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            add_flag_prepend(CMAKE_Pascal_FLAGS -Pi386)
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        elseif(powerpc_build)
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            add_flag_prepend(CMAKE_Pascal_FLAGS -Ppowerpc)
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        else()
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            message(FATAL_ERROR "Unknown architecture present in CMAKE_OSX_ARCHITECTURES (${CMAKE_OSX_ARCHITECTURES})")
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        endif()
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        list(LENGTH CMAKE_OSX_ARCHITECTURES num_of_archs)
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        if(num_of_archs GREATER 1)
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            message("*** Only one architecture in CMAKE_OSX_ARCHITECTURES is supported, picking the first one ***")
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        endif()
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    elseif(CMAKE_SIZEOF_VOID_P MATCHES "8")
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        #if that variable is not set check if we are on x86_64 and if so force it, else use default
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        add_flag_prepend(CMAKE_Pascal_FLAGS -Px86_64)
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    endif()
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    #CMAKE_OSX_SYSROOT is set at the system version we are supposed to build on
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    #we need to provide the correct one when host and target differ
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    if(NOT CMAKE_OSX_SYSROOT AND
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       NOT ${minimum_macosx_version} VERSION_EQUAL ${current_macosx_version})
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        find_program(xcrun xcrun)
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        if(xcrun)
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            execute_process(COMMAND ${xcrun} "--show-sdk-path"
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                            OUTPUT_VARIABLE current_sdk_path
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                            OUTPUT_STRIP_TRAILING_WHITESPACE)
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            string(REPLACE "${current_macosx_version}"
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                           "${minimum_macosx_version}"
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                           CMAKE_OSX_SYSROOT
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                           "${current_sdk_path}")
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        else()
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            message("*** xcrun not found! Build will work on ${current_macosx_version} only ***")
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        endif()
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    endif()
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    if(CMAKE_OSX_SYSROOT)
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        add_flag_append(CMAKE_Pascal_FLAGS "-XR${CMAKE_OSX_SYSROOT}")
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        add_flag_append(CMAKE_Pascal_FLAGS "-k-macosx_version_min -k${minimum_macosx_version}")
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        add_flag_append(CMAKE_Pascal_FLAGS "-k-L${LIBRARY_OUTPUT_PATH} -Fl${LIBRARY_OUTPUT_PATH}")
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    endif()
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    #add user framework directory
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    add_flag_append(CMAKE_Pascal_FLAGS "-Ff~/Library/Frameworks")
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    #workaround older cmake versions
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    if(${CMAKE_VERSION} VERSION_LESS "2.8.12")
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        add_flag_append(CMAKE_C_LINK_FLAGS "-Wl,-rpath -Wl,${CMAKE_INSTALL_RPATH}")
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        add_flag_append(CMAKE_CXX_LINK_FLAGS "-Wl,-rpath -Wl,${CMAKE_INSTALL_RPATH}")
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        add_flag_append(CMAKE_Pascal_LINK_FLAGS "-k-rpath -k${CMAKE_INSTALL_RPATH}")
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    endif()
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endif(APPLE)
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if(MINGW)
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    #this flags prevents a few dll hell problems
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    add_flag_append(CMAKE_C_FLAGS "-static-libgcc")
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    add_flag_append(CMAKE_CXX_FLAGS "-static-libgcc")
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endif(MINGW)
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if(WIN32)
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    if(NOT ${BUILD_SHARED_LIB})
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        message(FATAL_ERROR "Static linking is not supported on Windows")
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    endif()
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endif(WIN32)
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if(UNIX)
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    add_flag_append(CMAKE_C_FLAGS "-fPIC")
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    add_flag_append(CMAKE_CXX_FLAGS "-fPIC")
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endif(UNIX)