Hi Adam,
On Tue, 27 Feb 2001, Adam C Powell IV wrote:
> > Have you copied the -L option verbatim? If so, the error is clear:
> > there's no $ between the -L and the {. Otherwise, I have no idea.
> I'm sorry, I was very imprecise. Here are the details:
> # For mpich: (woody mpich uses /usr/lib/mpich/lib, potato the longer dir)
> ifeq ($(PETSC_MPI),mpich)
> MPI_HOME = /usr/lib/mpich
> MPI_LIB = -L${MPI_HOME}/lib -L${MPI_HOME}/build/LINUX/ch_p4/lib -lmpich
> MPIRUN = /usr/bin/mpirun.mpich -machinefile /etc/mpich/machines.LINUX
> MPI_INCLUDE = -I/usr/lib/mpich/include
>-I/usr/lib/mpich/build/LINUX/ch_p4/include
> endif
> And the output from the top-level info: target:
> [snip]
> Using C linker: gcc -O2 -Wall -Wshadow -fomit-frame-pointer
> -L/usr/home/hazelsct/petsc/petsc-2.0.29/lib/libO/linux_ppc
> Using Fortran linker: g77 -O2
> -L/usr/home/hazelsct/petsc/petsc-2.0.29/lib/libO/linux_ppc
> Using libraries: -L/usr/home/hazelsct/petsc/petsc-2.0.29/lib/libO/linux_ppc
> -lpetscts -lpetscsnes -lpetscsles -lpetscdm -lpetscmat -lpetscvec
> -L/usr/home/hazelsct/petsc/petsc-2.0.29/lib/libO/linux_ppc -lpetsc
> -L{MPI_HOME}/build/LINUX/ch_p4/lib -lmpe
> -lpmpich -L/usr/X11R6/lib
> -lX11 -llapack -blas -L/usr/lib/mpich/lib
> -L/usr/lib/mpich/build/LINUX/ch_p4/lib -lmpich -ldl -lc -lg2c -lm
> ==========================================
> [snip]
> Note the -L{MPI_HOME}/build/...
> Okay, what's really odd, is that the installed -dev packages on the alpha with the
> same bmake files as the source package (just diffed them) work fine, but when I
> try to build new packages it screws up! That's really bizarre. (Yes, I've
> confirmed that during the package build, PETSC_DIR points to the source directory,
> not /usr/lib/petsc of the installed package. That too is printed by the info:
> target, and shows up in the -L flags above.)
You mention bmake (as opposed to 'make'), and I'm not sure what that is, so my
comments may not actually apply -- but it looks like what you need to do here
is reference another makefile variable called MPI_HOME. The way to this is
with the syntax $(MPI_HOME) -- note the parens in place of braces. I believe
${MPI_HOME} references a non-existent /environment/ variable. (Elsewhere the
braces may indeed be correct, since you mention the use of multiple makefiles,
but if you need to reference a Makefile variable set in the same file, you
should normally use parentheses.)
HTH,
Steve Langasek
postmodern programmer
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