hy
i am trying to install Osmocomm-bb
i have installed toolchains and required libraries but when i run make command in scr directory of osmocomm bb it produce the following error.

configure: error: source directory already configured; run "make distclean" there first
make: *** [shared/libosmocore/build-target/Makefile] Error 1

please help me sort out this issue.
further one more...