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48 lines
1.9 KiB
48 lines
1.9 KiB
15 years ago
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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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