See the cmake command line help for:<div>--no-warn-unused-cli = Don't warn about command line options.</div><div><br></div><div>I would just add "--no-warn-unused-cli" to the ExternalProject_Add calls and require CMake 2.8.4. (There is no ExternalProject_Add in CMake 2.6...)</div>
<div><br><br><div class="gmail_quote">On Sat, Mar 26, 2011 at 9:22 AM, Johnson, Hans J <span dir="ltr"><<a href="mailto:hans-johnson@uiowa.edu">hans-johnson@uiowa.edu</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">
<div style="word-wrap:break-word;color:rgb(0,0,0);font-size:14px;font-family:Calibri,sans-serif">
<div>David,</div>
<div><br>
</div>
<div>I am trying to remove all warnings from my Cmake build process: During a "-DCMAKE_<span style="font-style:italic">BUILD_</span>TYPE:STRING=Debug" build I get the following warning:</div>
<div><b>
<pre>CMake Warning: The variable, 'CMAKE_CXX_FLAGS_RELEASE', specified manually, was not used during the generation.</pre>
<pre>I believe that I get an alternate warning when building in Release mode that <span style="font-weight:normal;white-space:normal;font-family:Calibri,sans-serif"><b><pre style="display:inline!important">CMAKE_CXX_FLAGS_DEBUG is specified manually.</pre>
</b></span></pre>
</b></div>
<div>I was reading this thread:</div>
<div><a href="http://www.cmake.org/pipermail/cmake/2011-February/042474.html" target="_blank">http://www.cmake.org/pipermail/cmake/2011-February/042474.html</a></div>
<div><br>
</div>
<div>Here is my situation, and I'd like your advice on how to resolve it:</div>
<div><br>
</div>
<div>
<div>I am using ExternalProject_Add feature of cmake, and I want all external packages to be built with the same compiler options:</div>
<div><br>
</div>
<div>
<div>set(EXTERNAL_PACKAGES BRAINSMultiModeSegment BRAINSFit BRAINSDemonWarp BRAINSCut BRAINSResample BRAINSABC BRAINSConstellationDetector BRAINSMush BRAINSROIAuto GTRACT ${DicomToNrrdConverter} ${DicomSignature} ${BRAINSImageEval} BRAINSInitilizedControlPoints )</div>
<div><br>
</div>
<div>foreach(proj ${EXTERNAL_PACKAGES})</div>
<div> # message(STATUS "Building ExternalProject ${proj}")</div>
<div> # message(STATUS "BRAINSCommonLib_DIR = ${BRAINSCommonLib_DIR}")</div>
<div> ExternalProject_Add(${proj}</div>
<div> DOWNLOAD_COMMAND ""</div>
<div> SOURCE_DIR ${CMAKE_CURRENT_SOURCE_DIR}/${proj}</div>
<div> BINARY_DIR ${proj}-build</div>
<div> # DEPENDS BRAINSCommonLib SlicerExecutionModel</div>
<div> CMAKE_GENERATOR ${gen}</div>
<div> CMAKE_ARGS</div>
<div> -DCMAKE_CXX_FLAGS_RELEASE:STRING=${CMAKE_CXX_FLAGS_RELEASE}</div>
<div> -DCMAKE_CXX_FLAGS_DEBUG:STRING=${CMAKE_CXX_FLAGS_DEBUG}</div>
<div> -DCMAKE_CXX_FLAGS:STRING=${CMAKE_CXX_FLAGS}</div>
<div> -DCMAKE_C_FLAGS_RELEASE:STRING=${CMAKE_C_FLAGS_RELEASE}</div>
<div> -DCMAKE_C_FLAGS_DEBUG:STRING=${CMAKE_C_FLAGS_DEBUG}</div>
<div> -DCMAKE_C_FLAGS:STRING=${CMAKE_C_FLAGS}</div>
<div> -DITK_DIR:PATH=${ITK_DIR}</div>
<div> INSTALL_COMMAND ""</div>
<div> )</div>
<div>endforeach()</div>
</div>
<div><br>
</div>
<div>=========================================</div>
<div>Is there a way inside the CMakeLists.txt file to avoid these warnings?</div>
<div><br>
</div>
<div>The only solution I can think of is to add a tremendous amount of if/then/else logic to explicitly handle all permutations of options so that only the minimal set of options is sent. That is going to be a maintenance nightmare.</div>
<div><br>
</div>
<div>This code needs to compile similarly under cmake 2.6.4 and 2.8.4, or I'll need to again add build logic to our testing scripts. </div>
<div><br>
</div>
</div>
<div>Thanks,</div>
<div>Hans</div>
<div><br>
</div>
<br>
<br>
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</blockquote></div><br></div>