________________________________
> From: harroontheg...@gmail.com
> Date: Tue, 9 Aug 2016 13:19:07 -0700
> Subject: Re: [Libmesh-users] FW: libmesh problem: libmesh_nullptr was
> not declared in scope
> To: jwpeter...@gmail.com
> CC: marchy...@hotmail.com; libmesh-users@lists.sourceforge.net
>
> The header files are in usr/local/include but they are also in
> /opt/libmesh-1.0.0-rc1/include/libmesh. I think it is because the
> computer I'm using has two installations of libmesh, the libmesh-1.0.0
> and libmesh-0.7.3.2. The Libmesh-1.0.0 was only recently downloaded by
> my professor/PI. I obtained the compile line by typing in:
>
No idea how the libmesh-config thing works but it may be a good idea to
explcitly check
all your paths if you have multiple installs.
>
> `libmesh-config --cxx` -o foo foo.C `libmesh-config --cxxflags --include
> --ldflags --libs` which I found out about from the
>
> libmesh website section "installation".
>
>
> On Tue, Aug 9, 2016 at 1:00 PM, John Peterson
> <jwpeter...@gmail.com<mailto:jwpeter...@gmail.com>> wrote:
>
>
> On Tue, Aug 9, 2016 at 1:54 PM, Harry Pearce
> <harroontheg...@gmail.com<mailto:harroontheg...@gmail.com>> wrote:
> The program I ran wasn't in the libmesh directory when I ran it. I just
> compiled it with:
>
> mpicxx -o HPeigenproblems_PZ_8_2_16_2 HPeigenproblems_PZ_8_2_16_2.C -lz
> -Wl,-rpath,/usr/local/lib -L/usr/local/lib -lmesh_opt -I/usr/local/include
> -pthread -I/usr/local/include -std=gnu++11 -O2 -felide-constructors
> -funroll-loops -fstrict-aliasing -Wdisabled-optimization -fopenmp
>
>
> How did you arrive at this compile line? I don't see any include
> directives for libmesh, PETSc, SLEPc, or anything else, unless they are
> all installed directly in /usr/local/include?
>
> --
> John
>
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