Re: [Libmesh-users] Yet another linking trouble (cygwin)

[Benjamin S. K. <be...@cf...>]

It looks to me like the space in '-L /home/denis/sci/fblaslapack' might 
be doing it.  It is probably finding that in your 
$PETSC_DIR/bmake/$PETSC_ARCH/packages file.

Let me know if that helps...

-Ben

Denis Danilov wrote:

>Hi,
>
>The theme of compilation and linking is the most popular in the last
>month...
>
>I try to set up libmesh 0.4.2 on the following configuration:
>cygwin + gcc3.3 + petsc(mpiuni)
>./configure --enable-reference-counting --enable-perflog
>--disable-laspack --disable-tecplot --disable-shared
>
>I can build library, but when i try to compile and run an example
>program, an error appears in the form
>
>(output of make all -n for example 1)
>echo "Linking "ex1"..."
>g++ -O2 -felide-constructors -DNDEBUG -funroll-loops -fstrict-aliasing
>ex1.i686-pc-cygwin.o -o ex1
>/home/denis/sci/libmesh-0.4.2/lib/i686-pc-cygwin_opt/libmesh.a
>/home/denis/sci/libmesh-0.4.2/contrib/lib/i686-pc-cygwin_opt/libparmetis.a
>/home/denis/sci/libmesh-0.4.2/contrib/lib/i686-pc-cygwin_opt/libmetis.a
>/home/denis/sci/libmesh-0.4.2/contrib/lib/i686-pc-cygwin_opt/libsfcurves.a
>/home/denis/sci/libmesh-0.4.2/contrib/lib/i686-pc-cygwin_opt/libgzstream.a
>-lz  -L/home/denis/sci/petsc-2.1.6/lib/libO/win32_gnu -lpetscsles -lpetscdm
>-lpetscmat -lpetscvec -lpetsc    -L /home/denis/sci/fblaslapack -lflapack
>-lfblas /home/denis/sci/petsc-2.1.6/lib/libO/win32_gnu/libmpiuni.a
>-L/usr/lib/gcc-lib/i686-pc-cygwin/3.3.1
> -L/usr/lib/gcc-lib/i686-pc-cygwin/3.3.1/../../.. -lfrtbegin -lg2c
>-lcygwin -luser32 -lkernel32 -ladvapi32 -lshell32
>/home/denis/sci/petsc-2.1.6/lib/libO/win32_gnu/libmpiuni.a     
>
>(and the corresponding error)
>make all
>Linking ex1...
>/home/denis/sci/libmesh-0.4.2/lib/i686-pc-cygwin_opt/libmesh.a(libmesh.i686-pc-cygwin.o)(.text+0x16f8):libmesh.C: undefined reference to `Petsc_MPI_Finalize()'
>/home/denis/sci/libmesh-0.4.2/lib/i686-pc-cygwin_opt/libmesh.a(equation_systems.i686-pc-cygwin.o)(.text+0x48ee):equation_systems.C: undefined reference to
>`MPIUNI_Memcpy(void*, void*, int)'
>/home/denis/sci/libmesh-0.4.2/lib/i686-pc-cygwin_opt/libmesh.a(equation_systems.i686-pc-cygwin.o)(.text+0x4e29):equation_systems.C: undefined reference to
>`MPIUNI_Memcpy(void*, void*, int)'
>/home/denis/sci/libmesh-0.4.2/lib/i686-pc-cygwin_opt/libmesh.a(parmetis_partitioner.i686-pc-cygwin.o)(.text+0x3f1):parmetis_partitioner.C: undefined reference to
>`MPIUNI_Memcpy(void*, void*, int)'
>/home/denis/sci/libmesh-0.4.2/lib/i686-pc-cygwin_opt/libmesh.a(petsc_vector.i686-pc-cygwin.o)(.text+0x27a):petsc_vector.C: undefined reference to
>`MPIUNI_Memcpy(void*, void*, int)'
>/home/denis/sci/libmesh-0.4.2/lib/i686-pc-cygwin_opt/libmesh.a(petsc_vector.i686-pc-cygwin.o)(.text+0x6c9):petsc_vector.C: undefined reference to
>`MPIUNI_Memcpy(void*, void*, int)'
>collect2: ld returned 1 exit status
>make: *** [ex1] Error 1
>
>
>It seems  all the necessary libs are included in command line
>(particular libmpiuni.a ans petsc), however Petsc_MPI_Finalize() and
>MPIUNI_Memcpy() are not found.
>Any suggestion how get it working in this configuration (without
>laspack)?
>
>
>Best regards
>Denis
>
>
>
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