Hi all,<br><br>I got the following linking error when I was building libmesh:<br><br>/homehome//aeronova/aeronova/<div id=":10v">Development/Developmentlocal//localshare//sharelibmesh//libmesh/liblib//x86_64-unknownx86_64--unknown-linux-linux-gnu_dbg/gnu_dbg/libmesh.so:libmesh.so
 undefined : referenceundefined  referenceto ` to `MatSetType(_p_Mat*, 
char const*)'MatSetType(_p_Mat*, char const*)'<br>
/<br>/home/aeronovahome//Developmentaeronova/Development//locallocal//share/libmeshshare//lib/libmesh/x86_64-unknownlib/-x86_64-unknownlinux--linuxgnu_dbg/-libmesh.so: gnu_dbg/undefined referencelibmesh.so: to ` undefinedEPSSetTolerances(_p_EPS*, double, int)'<br>

 reference/ home/toaeronova/ `DevelopmentEPSSetTolerances(_p_EPS*, double, int)'/local/<br>/share/libmeshhome//libaeronova//x86_64Development/-local/unknownshare/libmesh-linux/lib/-x86_64-gnu_dbg/libmesh.sounknown-: linux-gnu_dbgundefined/libmesh.so reference : toundefined reference ` VecScatterEnd(_p_VecScatter*, _p_Vec*, _p_Vec*, InsertMode, ScatterMode)to'<br>

 `/VecScatterEnd(_p_VecScatter*, _p_Vec*, _p_Vec*, InsertMode, ScatterMode)home/'aeronova<br>/Development/home//localaeronova/Development//localshare//libmeshshare//liblibmesh/x86_64/lib/-unknownx86_64-unknown--linuxlinux--gnu_dbg/gnu_dbglibmesh.so: /libmesh.soundefined: undefined reference reference  to to`SNESGetLinearSolveIterations(_p_SNES*, int*) '<br>

`SNESGetLinearSolveIterations(_p_SNES*, int*)/home'<br><br>It looks like I'm missing some libraries in my petsc, but I'm not sure how to resolve the link problem.  My petsc configuration is <br><br>./configure --download-mpich=1 --download-blacs=1 --download-parmetis=1 --download-scalapack=1 --download-mumps=1 --download-umfpack=1 --with-clanguage=C++ <br>
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