[petsc-users] undefined symbols in libpetsc.a

[Satish Balay]

Try compiling a PETSc example [with a petsc makefile] to see all the
include and library options needed to compile.

In this case - looks like you are missing linking with blas/lapack

Satish


On Fri, 20 Apr 2012, Christian Staudt wrote:

> Hi PETSc users,
> 
> I am trying out PETSc with something very simple from the tutorials [3], creating a vector. My source code:  [1]
> The compiler (via Eclipse CDT) fails with the output [2] - undefined symbols "_dswap" "_dnrm2" etc.. in libpetsc.a
> 
> I have no idea where to start looking for the error and would be thankful for some hints.
> 
> Chris
> 
> [1] http://pastebin.com/eMdpAbHy
> [2] http://pastebin.com/AB6UynTV
> [3] http://www.mcs.anl.gov/petsc/petsc-current/src/vec/vec/examples/tutorials/ex1.c.html
> 
> 
> 
> 
>