69 lines
2.8 KiB
CMake
69 lines
2.8 KiB
CMake
#=============================================================================
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# Copyright 2010 Alexander Neundorf <neundorf@kde.org>
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions are
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# met:
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#
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# * Redistributions of source code must retain the above copyright notice,
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# this list of conditions and the following disclaimer.
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#
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# * Redistributions in binary form must reproduce the above copyright notice,
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# this list of conditions and the following disclaimer in the documentation
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# and/or other materials provided with the distribution.
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#
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# * The names of Kitware, Inc., the Insight Consortium, or the names of
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# any consortium members, or of any contributors, may not be used to
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# endorse or promote products derived from this software without
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# specific prior written permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER AND CONTRIBUTORS ``AS IS''
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# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE FOR
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# ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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# SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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# CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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# OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#=============================================================================
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# AWI, downloaded from KDE repository since has not yet been transferred
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# to cmake repository as of 2006-07-31.
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# http://websvn.kde.org/trunk/KDE/kdelibs/cmake/modules/CheckPrototypeExists.cmake?rev=505849&view=markup
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#
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# - Check if the prototype for a function exists.
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# CHECK_PROTOTYPE_EXISTS (FUNCTION HEADER VARIABLE)
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#
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# FUNCTION - the name of the function you are looking for
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# HEADER - the header(s) where the prototype should be declared
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# VARIABLE - variable to store the result
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#
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INCLUDE(CheckCXXSourceCompiles)
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MACRO(CHECK_PROTOTYPE_EXISTS _SYMBOL _HEADER _RESULT)
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SET(_INCLUDE_FILES)
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FOREACH(it ${_HEADER})
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SET(_INCLUDE_FILES "${_INCLUDE_FILES}#include <${it}>\n")
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ENDFOREACH(it)
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SET(_CHECK_PROTO_EXISTS_SOURCE_CODE "
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${_INCLUDE_FILES}
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void cmakeRequireSymbol(int dummy,...){(void)dummy;}
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int main()
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{
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#ifndef ${_SYMBOL}
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#ifndef _MSC_VER
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cmakeRequireSymbol(0,&${_SYMBOL});
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#else
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char i = sizeof(&${_SYMBOL});
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#endif
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#endif
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return 0;
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}
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")
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CHECK_CXX_SOURCE_COMPILES("${_CHECK_PROTO_EXISTS_SOURCE_CODE}" ${_RESULT})
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ENDMACRO(CHECK_PROTOTYPE_EXISTS _SYMBOL _HEADER _RESULT)
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