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<p class="MsoNormal">I’ve just experimented with clang on the new BGQ at CSCS, I followed the instructions for installing the relocatable rpms and am building hdf5 using cmake.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">things compile ok (but note that the code so far is all C, not C++) after I setup various paths to libs/includes etc,
<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">when I try h5dump, I get <o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><span style="font-family:"Courier New"">[biddisco@bbpbg1 hdf5_1_8_cmake]$ bin/h5dump -H /bbpfs/bgq/biddisco/build/hdftests/testing/hdf5-N0256-n64-t16384.sph<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Courier New"">/bgsys/source/srcV1R2M0.14091/comm/sys/buildtools/pami/common/bgq/BgqPersonality.h:102:<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Courier New"">/bgsys/source/srcV1R2M0.14091/comm/sys/buildtools/pami/common/bgq/BgqPersonality.h<102><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Courier New"">Aborted (core dumped)<o:p></o:p></span></p>
<p class="MsoNormal"><o:p></o:p></p>
<p class="MsoNormal">now my suspicion is that I’ve linked to gcc versions of mpi and this is causing some trouble - the link line looks like this …<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><span style="font-family:"Courier New"">/tmp/bgclang/bin/clang
<o:p></o:p></span></p>
<p class="MsoNormal" style="text-indent:36.0pt"><span style="font-family:"Courier New"">-L/bgsys/drivers/ppcfloor/spi/lib
<o:p></o:p></span></p>
<p class="MsoNormal" style="text-indent:36.0pt"><span style="font-family:"Courier New"">-L/bgsys/drivers/ppcfloor/comm/gcc/lib
<o:p></o:p></span></p>
<p class="MsoNormal" style="text-indent:36.0pt"><span style="font-family:"Courier New"">-L/bgsys/drivers/ppcfloor/comm/sys/lib
<o:p></o:p></span></p>
<p class="MsoNormal" style="text-indent:36.0pt"><span style="font-family:"Courier New"">-g CMakeFiles/h5dump.dir/h5dump.c.o CMakeFiles/h5dump.dir/h5dump_ddl.c.o CMakeFiles/h5dump.dir/h5dump_xml.c.o -o ../../bin/h5dump ../../bin/libhdf5_tools_debug.a ../../bin/libhdf5_debug.a
-lm -ldl -lrt -lmpich -lmpl -lopa -lpami -lSPI -lSPI_cnk -lpthread -ldl -lrt -lmpich -lmpl -lopa -lpami -lSPI -lSPI_cnk -lpthread<o:p></o:p></span></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">the include path contains<o:p></o:p></p>
<p class="MsoNormal" style="text-indent:36.0pt"><span style="font-family:"Courier New"">-I/bgsys/drivers/ppcfloor/comm/gcc/include<o:p></o:p></span></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">apart from the duplication of several libraries on the link line. Does anything look wrong? Meanwhile - I will try setting everything up using the xl paths and see I that changes anything. (Do I need to compile mpich myself using clang?)<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Thanks hopefully.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">JB<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";mso-fareast-language:EN-GB">--
<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";mso-fareast-language:EN-GB">John Biddiscombe, email:biddisco @.at.@ cscs.ch<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";mso-fareast-language:EN-GB"><a href="http://www.cscs.ch/"><span style="color:windowtext">http://www.cscs.ch/</span></a><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";mso-fareast-language:EN-GB">CSCS, Swiss National Supercomputing Centre | Tel: +41 (91) 610.82.07<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="IT-CH" style="font-size:10.0pt;font-family:"Courier New";mso-fareast-language:EN-GB">Via Trevano 131, 6900 Lugano, Switzerland | Fax: +41 (91) 610.82.82<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="IT-CH"><o:p> </o:p></span></p>
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