mirror of https://github.com/encounter/SDL.git
125 lines
3.3 KiB
CMake
125 lines
3.3 KiB
CMake
macro(ADD_TO_ALLOPTIONS _NEWNAME)
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list(APPEND ALLOPTIONS ${_NEWNAME})
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string(LENGTH ${_NEWNAME} _SLEN)
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if(${LONGESTOPTIONNAME} LESS ${_SLEN})
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set(LONGESTOPTIONNAME ${_SLEN})
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endif()
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endmacro()
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macro(SET_OPTION _NAME _DESC)
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add_to_alloptions(${_NAME})
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if(${ARGC} EQUAL 3)
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set(_DEFLT ${ARGV2})
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else()
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set(_DEFLT OFF)
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endif()
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option(${_NAME} ${_DESC} ${_DEFLT})
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endmacro()
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macro(DEP_OPTION _NAME _DESC _DEFLT _DEPTEST _FAILDFLT)
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add_to_alloptions("${_NAME}")
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cmake_dependent_option("${_NAME}" "${_DESC}" "${_DEFLT}" "${_DEPTEST}" "${_FAILDFLT}")
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endmacro()
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macro(OPTION_STRING _NAME _DESC _VALUE)
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add_to_alloptions(${_NAME})
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set(${_NAME} ${_VALUE} CACHE STRING "${_DESC}")
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set(HAVE_${_NAME} ${_VALUE})
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ENDMACRO()
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# Message Output
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macro(MESSAGE_WARN _TEXT)
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message(STATUS "*** WARNING: ${_TEXT}")
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endmacro()
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macro(MESSAGE_ERROR _TEXT)
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message(FATAL_ERROR "*** ERROR: ${_TEXT}")
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endmacro()
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macro(MESSAGE_BOOL_OPTION _NAME _VALUE)
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if(${_VALUE})
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message(STATUS " ${_NAME}:\tON")
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else()
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message(STATUS " ${_NAME}:\tOFF")
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endif()
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endmacro()
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macro(MESSAGE_TESTED_OPTION _NAME)
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set(_REQVALUE ${${_NAME}})
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set(_PAD " ")
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if(${ARGC} EQUAL 2)
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set(_PAD ${ARGV1})
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endif()
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string(SUBSTRING "${_NAME}" 0 4 _NAMESTART)
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if(_NAMESTART STREQUAL "SDL_")
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string(SUBSTRING "${_NAME}" 4 -1 _STRIPPEDNAME)
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else()
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set(_STRIPPEDNAME "${_NAME}")
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endif()
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if(NOT HAVE_${_STRIPPEDNAME})
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set(HAVE_${_STRIPPEDNAME} OFF)
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elseif("${HAVE_${_STRIPPEDNAME}}" MATCHES "1|TRUE|YES|Y")
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set(HAVE_${_STRIPPEDNAME} ON)
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endif()
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message(STATUS " ${_NAME}${_PAD}(Wanted: ${_REQVALUE}): ${HAVE_${_STRIPPEDNAME}}")
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endmacro()
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macro(LISTTOSTR _LIST _OUTPUT)
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if(${ARGC} EQUAL 3)
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# prefix for each element
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set(_LPREFIX ${ARGV2})
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else()
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set(_LPREFIX "")
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endif()
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# Do not use string(REPLACE ";" " ") here to avoid messing up list
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# entries
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foreach(_ITEM ${${_LIST}})
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set(${_OUTPUT} "${${_OUTPUT}} ${_LPREFIX}${_ITEM}")
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endforeach()
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endmacro()
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macro(LISTTOSTRREV _LIST _OUTPUT)
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if(${ARGC} EQUAL 3)
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# prefix for each element
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set(_LPREFIX ${ARGV2})
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else()
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set(_LPREFIX "")
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endif()
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# Do not use string(REPLACE ";" " ") here to avoid messing up list
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# entries
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foreach(_ITEM ${${_LIST}})
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set(${_OUTPUT} "${_LPREFIX}${_ITEM} ${${_OUTPUT}}")
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endforeach()
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endmacro()
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if(CMAKE_VERSION VERSION_LESS 3.16.0 OR SDL2_SUBPROJECT)
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# - CMake versions <3.16 do not support the OBJC language
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# - When SDL is built as a subproject and when the main project does not enable OBJC,
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# CMake fails due to missing internal CMake variables (CMAKE_OBJC_COMPILE_OBJECT)
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# (reproduced with CMake 3.24.2)
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macro(CHECK_OBJC_SOURCE_COMPILES SOURCE VAR)
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set(PREV_REQUIRED_DEFS "${CMAKE_REQUIRED_DEFINITIONS}")
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set(CMAKE_REQUIRED_DEFINITIONS "-x objective-c ${PREV_REQUIRED_DEFS}")
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CHECK_C_SOURCE_COMPILES("${SOURCE}" ${VAR})
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set(CMAKE_REQUIRED_DEFINITIONS "${PREV_REQUIRED_DEFS}")
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endmacro()
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else()
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include(CheckOBJCSourceCompiles)
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if (APPLE)
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enable_language(OBJC)
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endif()
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endif()
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if(APPLE)
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check_language(OBJC)
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if(NOT CMAKE_OBJC_COMPILER)
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message(WARNING "Cannot find working OBJC compiler.")
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endif()
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endif()
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if(CMAKE_VERSION VERSION_LESS 3.13.0)
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macro(target_link_directories _TARGET _SCOPE)
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link_directories(${ARGN})
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endmacro()
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endif()
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