compiler error : "ld: fatal: Symbol referencing errors. "

[flav256]

hi,

I have a problem trying to compile a fortran code
I m using the following command :
/usr/ccs/bin/make all
i encounter the following error
---------------------------------------------
{.....}
folding.o obj.f90/biform.o obj.f90/linpdbl.o obj.f90/znull.o obj.f90/hmaqct.o -leclint -lPEM -lfai -lfai2 -lfsumai -lfprodai -lfminlai -lfmaxlai -lfminvai -lfmaxvai -lfui -lfsu -lsunmath -lm -lc /opt/SUNWspro/SC5.0/lib/crtn.o
Undefined first referenced
symbol in file
dscal_ obj.f90/gradc.o
daxpy_ obj.f90/gradc.o
ddot_ obj.f90/hm4d_lm.o
dswap_ obj.f90/minwls.o
dnrm2_ obj.f90/hm4d_lm.o
dcopy_ obj.f90/gradc.o
idamax_ obj.f90/gradc.o
dasum_ obj.f90/gradc.o
db2lsj_ obj.f90/hm4d_lm.o
ld: fatal: Symbol referencing errors. No output written to hm4d
*** Error code 1
make: Fatal error: Command failed for target `bin.f90/hm4d'
sbquery nonesuch
sbquery: Fatal error: No SourceBrowser database in this directory
*** Error code 1 (ignored)
----------------------------------------------------
Do you have an idea to fix this?
thank you very much for your help.

F