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Viewing changes to tests/poppler/cmake/modules/MacroPushRequiredVars.cmake

  • Committer: Package Import Robot
  • Author(s): Sylvestre Ledru
  • Date: 2013-05-02 13:11:51 UTC
  • Revision ID: package-import@ubuntu.com-20130502131151-q8dvteqr1ef2x7xz
Tags: upstream-1.4.1~20130504~adb56cb
Import upstream version 1.4.1~20130504~adb56cb

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tests/poppler/cmake/modules/MacroPushRequiredVars.cmake
 
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# this module defines two macros:
 
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# MACRO_PUSH_REQUIRED_VARS()
 
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# and
 
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# MACRO_POP_REQUIRED_VARS()
 
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# use these if you call cmake macros which use
 
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# any of the CMAKE_REQUIRED_XXX variables
 
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#
 
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# Usage:
 
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# MACRO_PUSH_REQUIRED_VARS()
 
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# SET(CMAKE_REQUIRED_DEFINITIONS ${CMAKE_REQUIRED_DEFINITIONS} -DSOME_MORE_DEF)
 
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# CHECK_FUNCTION_EXISTS(...)
 
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# MACRO_POP_REQUIRED_VARS()
 
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# Copyright (c) 2006, Alexander Neundorf, <neundorf@kde.org>
 
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#
 
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# Redistribution and use is allowed according to the terms of the BSD license.
 
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# For details see the accompanying COPYING-CMAKE-SCRIPTS file.
 
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MACRO(MACRO_PUSH_REQUIRED_VARS)
 
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   IF(NOT DEFINED _PUSH_REQUIRED_VARS_COUNTER)
 
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      SET(_PUSH_REQUIRED_VARS_COUNTER 0)
 
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   ENDIF(NOT DEFINED _PUSH_REQUIRED_VARS_COUNTER)
 
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   MATH(EXPR _PUSH_REQUIRED_VARS_COUNTER "${_PUSH_REQUIRED_VARS_COUNTER}+1")
 
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   SET(_CMAKE_REQUIRED_INCLUDES_SAVE_${_PUSH_REQUIRED_VARS_COUNTER}    ${CMAKE_REQUIRED_INCLUDES})
 
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   SET(_CMAKE_REQUIRED_DEFINITIONS_SAVE_${_PUSH_REQUIRED_VARS_COUNTER} ${CMAKE_REQUIRED_DEFINITIONS})
 
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   SET(_CMAKE_REQUIRED_LIBRARIES_SAVE_${_PUSH_REQUIRED_VARS_COUNTER}   ${CMAKE_REQUIRED_LIBRARIES})
 
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   SET(_CMAKE_REQUIRED_FLAGS_SAVE_${_PUSH_REQUIRED_VARS_COUNTER}       ${CMAKE_REQUIRED_FLAGS})
 
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ENDMACRO(MACRO_PUSH_REQUIRED_VARS)
 
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MACRO(MACRO_POP_REQUIRED_VARS)
 
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# don't pop more than we pushed
 
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   IF("${_PUSH_REQUIRED_VARS_COUNTER}" GREATER "0")
 
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      SET(CMAKE_REQUIRED_INCLUDES    ${_CMAKE_REQUIRED_INCLUDES_SAVE_${_PUSH_REQUIRED_VARS_COUNTER}})
 
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      SET(CMAKE_REQUIRED_DEFINITIONS ${_CMAKE_REQUIRED_DEFINITIONS_SAVE_${_PUSH_REQUIRED_VARS_COUNTER}})
 
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      SET(CMAKE_REQUIRED_LIBRARIES   ${_CMAKE_REQUIRED_LIBRARIES_SAVE_${_PUSH_REQUIRED_VARS_COUNTER}})
 
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      SET(CMAKE_REQUIRED_FLAGS       ${_CMAKE_REQUIRED_FLAGS_SAVE_${_PUSH_REQUIRED_VARS_COUNTER}})
 
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      MATH(EXPR _PUSH_REQUIRED_VARS_COUNTER "${_PUSH_REQUIRED_VARS_COUNTER}-1")
 
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   ENDIF("${_PUSH_REQUIRED_VARS_COUNTER}" GREATER "0")
 
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ENDMACRO(MACRO_POP_REQUIRED_VARS)
 
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