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  1. ROOT
  2. ROOT-9635

Configuration and Build fails when CXXFLAGS has '--save-temps'

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Details

    • Bug
    • Status: Closed (View Workflow)
    • Medium
    • Resolution: Fixed
    • 6.14/02
    • 6.16/00, 6.14/08
    • Build System, CINT, Cling
    • None

    Description

      Running

       CFLAGS='march=x86-64 -mtune=generic -O2 -pipe -fstack-protector-strong -fno-plt -pthread --save-temps'
       CXXFLAGS='-march=x86-64 -mtune=generic -O2 -pipe -fstack-protector-strong -fno-plt -pthread --save-temps'
       LDFLAGS="-Wl,-O1,sort-common,as-needed,-z,relro,-z,now -pthread -Wl,-no-undefined" cmake -C ../settings.cmake ../root-6.14.02
       

      fails with

       interpreter/llvm/src/CMakeLists.txt:598 (include) CMake Error at interpreter/llvm/src/cmake/modules/HandleLLVMOptions.cmake:402 (message): LLVM requires C+11 support but the '-std=c+11' flag isn't supported. Call Stack (most recent call first): interpreter/llvm/src/CMakeLists.txt:598 (include) - Configuring incomplete, errors occurred!
       

      Adding `-std=c++17` to `CXXFLAGS` doesn't help. When I do

       $ ccmake -DOpenGL_GL_PREFERENCE="GLVND" -C ../settings.cmake ../root-6.14.02
       

      and add option `--save-temps` to `CMAKE_CXX_FLAGS` the compilation stops on 92% with message:

       Scanning dependencies of target G__TMVAGui [ 92%] Generating G__TMVAGui.cxx, ../../lib/libTMVAGui_rdict.pcm, ../../lib/libTMVAGui.rootmap [ 92%] Built target G__TMVAGui Scanning dependencies of target G__PyMVA [ 92%] Generating G__PyMVA.cxx, ../../lib/libPyMVA_rdict.pcm, ../../lib/libPyMVA.rootmap [ 92%] Built target G__PyMVA Scanning dependencies of target onepcm [ 92%] Generating etc/dictpch/allLinkDefs.h, etc/dictpch/allHeaders.h, etc/dictpch/allCppflags.txt Generating PCH for bindings/pyroot core/base core/clingutils core/imt core/multiproc core/rint core/thread graf2d/asimage graf2d/fitsio graf2d/gpad graf2d/gpadv7 graf2d/graf graf2d/postscript graf2d/primitives graf2d/x11 graf2d/x11ttf graf3d/g3d graf3d/gl gui/fitpanel gui/fitpanelv7 gui/gui hist/hbook hist/hist hist/histdraw hist/histpainter hist/spectrum hist/spectrumpainter hist/unfold io/io math/genetic math/genvector math/mathcore math/mathmore math/matrix math/minuit math/minuit2 math/physics math/smatrix math/vecops net/net net/netx net/netxng roofit/histfactory roofit/roofit roofit/roofitcore roofit/roostats tmva/pymva tmva/tmva tmva/tmvagui tree/dataframe tree/tree tree/treeplayer tree/treeviewer [ 92%] Generating etc/allDict.cxx.pch Argument "--save-temps" is not a supported cling argument. This could be mistyped rootcling argument. Please check the commandline. make[2]: *** [CMakeFiles/onepcm.dir/build.make:65: etc/allDict.cxx.pch] Error 1 make[1]: *** [CMakeFiles/Makefile2:499: CMakeFiles/onepcm.dir/all] Error 2 make: *** [Makefile:152: all] Error 2
       

      P.S. With GCC it takes much longer to get to point with a failure, CLANG is a bit faster.
      P.P.S. All formatting claims to your Bug Reporting System.


      WBR, Vladimir Lomov

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            dpiparo Danilo Piparo
            f00b3effe60730dd7e12 Vladimir Lomov (Inactive)
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