hallo,
not knowing if this fits into this discussion i'd anyhow kindly ask you to have a look at the
arpack library. i tried to compile calculix crunchix fe-solver using the provided libraries
in lenny (libspooles-dev & libarpack2-dev). spooles works perfectly but linking
/usr/lib/libarpack.a gives some strange errors (undefined reference to 'd...'). 'cause they
all start with "d" there might be some problem with the precision (calculix needs
double ddrv), if i compile the library myself there are no errors like this. maybe this is
not a bug but my own stupidity, but i thought these library packages are made for someone
(like me) that doesnt know much about the internals of these libs.
greetings and thanks in advance,
pierrot
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#makefile for ccx - calculix solver
CFLAGS = -Wall -O3 -I $()/usr/include/spooles -DARCH="Linux" -DSPOOLES
-DARPACK -DMATRIXSTORAGE
FFLAGS = -Wall -O3 -fopenmp
CC=cc
FC=gfortran
.c.o :
$(CC) $(CFLAGS) -c $<
.f.o :
$(FC) $(FFLAGS) -c $<
include Makefile.inc
SCCXMAIN = ccx_2.0.c
OCCXF = $(SCCXF:.f=.o)
OCCXC = $(SCCXC:.c=.o)
OCCXMAIN = $(SCCXMAIN:.c=.o)
SPDIR=$()/usr/lib
APDIR=$()/usr/lib
LIBS = \
$(SPDIR)/libspooles.a \
$(APDIR)/libarpack.a \
-lm -lc
ccx: $(OCCXMAIN) ccx_2.0.a $(LIBS)
./date.pl; $(CC) $(CFLAGS) -c ccx_2.0.c; $(FC) -Wall -O3 -o $@
$(OCCXMAIN) ccx_2.0.a -lpthread $(LIBS)
ccx_2.0.a: $(OCCXF) $(OCCXC)
ar vr $@ $?
