[petsc-dev] Undefined symbol in SLEPc dylib (Haskell bindings, OSX)

[Matthew Knepley]

On Thu, Jun 9, 2016 at 9:44 AM, Marco Zocca <zocca.marco at gmail.com> wrote:

> I encounter this bug when accessing the PETSc and SLEPc dynamic
> library under OSX:
>
> user specified .o/.so/.DLL could not be loaded
> (dlopen($SLEPC_DIR/arch-darwin-c-debug/lib/libslepc.dylib, 5): Symbol
> not found: _KSPConvergedReasons
>   Referenced from: $SLEPC_DIR/arch-darwin-c-debug/lib/libslepc.dylib
>   Expected in: flat namespace
>  in $SLEPC_DIR/arch-darwin-c-debug/lib/libslepc.dylib)
>
> Surely, enough, `nm -u` shows _KSPConvergedReasons as an undefined
> symbol (see below).
> I don't understand the reason of this behaviour since I first compile
> with all the relevant PETSc and SLEPc headers and link against both
> .dylibs.
>
> Thank you in advance for any pointers,
> Marco
>
> -------
> $ nm -u libslepc.3.7.1.dylib | grep KSP
>

What do you get for

  nm -u libpetsc.3.7.1.dylib | grep KSPConv

     Matt


> _KSPAppendOptionsPrefix
> _KSPConvergedReasons
> _KSPCreate
> _KSPDestroy
> _KSPGetConvergedReason
> _KSPGetIterationNumber
> _KSPGetOperators
> _KSPGetOperatorsSet
> _KSPGetPC
> _KSPGetPCSide
> _KSPGetTolerances
> _KSPGetType
> _KSPReset
> _KSPSetErrorIfNotConverged
> _KSPSetFromOptions
> _KSPSetOperators
> _KSPSetOptionsPrefix
> _KSPSetPC
> _KSPSetReusePreconditioner
> _KSPSetTolerances
> _KSPSetType
> _KSPSetUp
> _KSPSolve
> _KSPSolveTranspose
> _KSPView
> _KSP_CLASSID
>



-- 
What most experimenters take for granted before they begin their
experiments is infinitely more interesting than any results to which their
experiments lead.
-- Norbert Wiener
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