I have tried to configure pjsip-1.1 with this :- # ./configure --disable-sound # make dep # make And I got this error :- make[2]: Entering directory `/floppyfw/build_i386/pjproject-1.1/third_party/build/speex' make -f /floppyfw/build_i386/pjproject-1.1/build/rules.mak APP=SPEEX app=libspeex ../../lib/libspeex-i686-pc-linux-gnu.a make[3]: Entering directory `/floppyfw/build_i386/pjproject-1.1/third_party/build/speex' make[3]: `../../lib/libspeex-i686-pc-linux-gnu.a' is up to date. make[3]: Leaving directory `/floppyfw/build_i386/pjproject-1.1/third_party/build/speex' make[2]: Leaving directory `/floppyfw/build_i386/pjproject-1.1/third_party/build/speex' make[1]: Leaving directory `/floppyfw/build_i386/pjproject-1.1/third_party/build' make[1]: Entering directory `/floppyfw/build_i386/pjproject-1.1/pjmedia/build' make -f /floppyfw/build_i386/pjproject-1.1/build/rules.mak APP=PJMEDIA app=pjmedia ../lib/libpjmedia-i686-pc-linux-gnu.a make[2]: Entering directory `/floppyfw/build_i386/pjproject-1.1/pjmedia/build' .pjmedia-i686-pc-linux-gnu.depend:1: *** missing separator. Stop. make[2]: Leaving directory `/floppyfw/build_i386/pjproject-1.1/pjmedia/build' make[1]: *** [pjmedia] Error 2 make[1]: Leaving directory `/floppyfw/build_i386/pjproject-1.1/pjmedia/build' make: *** [all] Error 1 Any idea how to fix this ? Regards