kc3-lang/SDL/cmake/macros.cmake

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• Hash : b72938c8
  Author :
  Date : 2015-04-20T12:22:44
  

  Windows: Always set the system timer resolution to 1ms by default. An existing hint lets apps that don't need the timer resolution changed avoid this, to save battery, etc, but this fixes several problems in timing, audio callbacks not firing fast enough, etc. Fixes Bugzilla #2944.

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• cmake/macros.cmake

• macro(SET_OPTION _NAME _DESC)
    list(APPEND ALLOPTIONS ${_NAME})
    if(${ARGC} EQUAL 3)
      set(_DEFLT ${ARGV2})
    else()
      set(_DEFLT OFF)
    endif()
    option(${_NAME} ${_DESC} ${_DEFLT})
  endmacro()
  
  macro(DEP_OPTION _NAME _DESC _DEFLT _DEPTEST _FAILDFLT)
    list(APPEND ALLOPTIONS ${_NAME})
    cmake_dependent_option(${_NAME} ${_DESC} ${_DEFLT} ${_DEPTEST} ${_FAILDFLT})
  endmacro()
  
  macro(OPTION_STRING _NAME _DESC _VALUE)
    list(APPEND ALLOPTIONS ${_NAME})
    set(${_NAME} ${_VALUE} CACHE STRING "${_DESC}")
    set(HAVE_${_NAME} ${_VALUE})
  ENDMACRO()
  
  # Message Output
  macro(MESSAGE_WARN _TEXT)
    message(STATUS "*** WARNING: ${_TEXT}")
  endmacro()
  
  macro(MESSAGE_ERROR _TEXT)
    message(FATAL_ERROR "*** ERROR: ${_TEXT}")
  endmacro()
  
  macro(MESSAGE_BOOL_OPTION _NAME _VALUE)
    if(${_VALUE})
      message(STATUS "  ${_NAME}:\tON")
    else()
      message(STATUS "  ${_NAME}:\tOFF")
    endif()
  endmacro()
  
  macro(MESSAGE_TESTED_OPTION _NAME)
    set(_REQVALUE ${${_NAME}})
    set(_PAD " ")
    if(${ARGC} EQUAL 2)
      set(_PAD ${ARGV1})
    endif()
    if(NOT HAVE_${_NAME})
      set(HAVE_${_NAME} OFF)
    elseif("${HAVE_${_NAME}}" MATCHES "1|TRUE|YES|Y")
      set(HAVE_${_NAME} ON)
    endif()
    message(STATUS "  ${_NAME}${_PAD}(Wanted: ${_REQVALUE}): ${HAVE_${_NAME}}")
  endmacro()
  
  macro(LISTTOSTR _LIST _OUTPUT)
    if(${ARGC} EQUAL 3)
      # prefix for each element
      set(_LPREFIX ${ARGV2})
    else()
      set(_LPREFIX "")
    endif()
    # Do not use string(REPLACE ";" " ") here to avoid messing up list
    # entries
    foreach(_ITEM ${${_LIST}})
      set(${_OUTPUT} "${_LPREFIX}${_ITEM} ${${_OUTPUT}}")
    endforeach()
  endmacro()
  
  macro(CHECK_OBJC_SOURCE_COMPILES SOURCE VAR)
    set(PREV_REQUIRED_DEFS "${CMAKE_REQUIRED_DEFINITIONS}")
    set(CMAKE_REQUIRED_DEFINITIONS "-x objective-c ${PREV_REQUIRED_DEFS}")
    CHECK_C_SOURCE_COMPILES(${SOURCE} ${VAR})
    set(CMAKE_REQUIRED_DEFINITIONS "${PREV_REQUIRED_DEFS}")
  endmacro()
  
  

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