Install Problems

when i ./configure
    It works fine dose everything fine
i do "# make"
    and get :
        gcc -I../include -I../backend   -O2 -Wall -Wmissing-prototypes
-Wmissing-declarations -o postgres access/SUBSYS.o bootstrap/SUBSYS.o
catalog/SUBSYS.o         commands/SUBSYS.o executor/SUBSYS.o lib/SUBSYS.o
libpq/SUBSYS.o main/SUBSYS.o parser/SUBSYS.o nodes/SUBSYS.o
optimizer/SUBSYS.o port/SUBSYS.o         postmaster/SUBSYS.o regex/SUBSYS.o
rewrite/SUBSYS.o storage/SUBSYS.o tcop/SUBSYS.o
utils/SUBSYS.o  ../utils/version.o -lcrypt -lnsl -ldl -lm -lutil
-lncurses  -        export-dynamic
        /usr/lib/libdl.a(dlsym.o): In function `doit.2':
        dlsym.o(.text+0x22): undefined reference to `_dl_default_scope'
        dlsym.o(.text+0x4c): undefined reference to `_dl_default_scope'
        make[1]: *** [postgres] Error 1
        make[1]: Leaving directory `/home/dgman/postgresql-7.0.3/src/backend'
        make: *** [all] Error 2
        eagle:/home/dgman/postgresql-7.0.3/src#
And I can Not Figure It Out!!

please Help I am fairly new To PGsql

(this is A Debian Server)

Thnx Jeremy D. May