[GRASS-user] grass 6.2.3 cannot find BLAS

[Hernán De Angelis]

Thanks for that!  Here are the last lines of config.log. Configure
complains about undefined refernces to things. I guess it might be
something related to gcc/gfortran but I can't understand the cause of
the failure.


configure:12134: checking whether to use BLAS
configure:12156: checking for location of BLAS library
configure:12183: checking for dnrm2_ in -lblas
configure:12200: gcc -o conftest -g -O2     -Wl,--export-dynamic
conftest.c -lblas -lm   1>&5
/usr/lib/gcc/i586-suse-linux/4.1.2/../../../libblas.so: undefined
reference to `_gfortran_st_write_done'
/usr/lib/gcc/i586-suse-linux/4.1.2/../../../libblas.so: undefined
reference to `_gfortran_transfer_integer'
/usr/lib/gcc/i586-suse-linux/4.1.2/../../../libblas.so: undefined
reference to `_gfortran_stop_numeric'
/usr/lib/gcc/i586-suse-linux/4.1.2/../../../libblas.so: undefined
reference to `_gfortran_st_write'
/usr/lib/gcc/i586-suse-linux/4.1.2/../../../libblas.so: undefined
reference to `_gfortran_transfer_character'
collect2: ld returned 1 exit status
configure: failed program was:
#line 12189 "configure"
#include "confdefs.h"
/* Override any gcc2 internal prototype to avoid an error.  */
/* We use char because int might match the return type of a gcc2
    builtin and then its argument prototype would still apply.  */
char dnrm2_();

int main() {
dnrm2_()
; return 0; }
configure:12219: checking for dnrm2_ in -lblas
configure:12236: gcc -o conftest -g -O2     -Wl,--export-dynamic
conftest.c -lblas -lm -lg2c  1>&5
/usr/lib/gcc/i586-suse-linux/4.1.2/../../../libblas.so: undefined
reference to `_gfortran_st_write_done'
/usr/lib/gcc/i586-suse-linux/4.1.2/../../../libblas.so: undefined
reference to `_gfortran_transfer_integer'
/usr/lib/gcc/i586-suse-linux/4.1.2/../../../libblas.so: undefined
reference to `_gfortran_stop_numeric'
/usr/lib/gcc/i586-suse-linux/4.1.2/../../../libblas.so: undefined
reference to `_gfortran_st_write'
/usr/lib/gcc/i586-suse-linux/4.1.2/../../../libblas.so: undefined
reference to `_gfortran_transfer_character'
collect2: ld returned 1 exit status
configure: failed program was:
#line 12225 "configure"
#include "confdefs.h"
/* Override any gcc2 internal prototype to avoid an error.  */
/* We use char because int might match the return type of a gcc2
    builtin and then its argument prototype would still apply.  */
char dnrm2_();

int main() {
dnrm2_()
; return 0; }









2007/11/30, Glynn Clements <glynn at gclements.plus.com>:
>
> Hernán De Angelis wrote:
>
> > Thanks for your clarification. But, why does the configure script not
> > find the blas libraries?
>
> There should be some clues (i.e. error messages) in the config.log
> file.
>
> --
> Glynn Clements <glynn at gclements.plus.com>
>


-- 

Hernán De Angelis
Linux user # 397217