Hello all, I am trying to use the simple_pjsua.c (http://www.pjsip.org/pjsip/docs/html/page_pjsip_sample_simple_pjsuaua_c.htm) in my application. However, i keep getting errors: checking for a BSD-compatible install... /bin/install -c checking whether build environment is sane... yes checking for a thread-safe mkdir -p... /bin/mkdir -p checking for gawk... gawk checking whether make sets $(MAKE)... yes checking for gcc... gcc checking whether the C compiler works... yes checking for C compiler default output file name... a.out checking for suffix of executables... checking whether we are cross compiling... no checking for suffix of object files... o checking whether we are using the GNU C compiler... yes checking whether gcc accepts -g... yes checking for gcc option to accept ISO C89... none needed checking for style of include used by make... GNU checking dependency style of gcc... gcc3 checking dependency style of gcc... (cached) gcc3 checking build system type... x86_64-unknown-linux-gnu checking host system type... x86_64-unknown-linux-gnu checking how to print strings... printf checking for a sed that does not truncate output... /bin/sed checking for grep that handles long lines and -e... /bin/grep checking for egrep... /bin/grep -E checking for fgrep... /bin/grep -F checking for ld used by gcc... /usr/bin/ld checking if the linker (/usr/bin/ld) is GNU ld... yes checking for BSD- or MS-compatible name lister (nm)... /usr/bin/nm -B checking the name lister (/usr/bin/nm -B) interface... BSD nm checking whether ln -s works... yes checking the maximum length of command line arguments... 1572864 checking whether the shell understands some XSI constructs... yes checking whether the shell understands "+="... yes checking how to convert x86_64-unknown-linux-gnu file names to x86_64-unknown-linux-gnu format... func_convert_file_noop checking how to convert x86_64-unknown-linux-gnu file names to toolchain format... func_convert_file_noop checking for /usr/bin/ld option to reload object files... -r checking for objdump... objdump checking how to recognize dependent libraries... pass_all checking for dlltool... no checking how to associate runtime and link libraries... printf %s\n checking for ar... ar checking for archiver @FILE support... @ checking for strip... strip checking for ranlib... ranlib checking command to parse /usr/bin/nm -B output from gcc object... ok checking for sysroot... no checking for mt... no checking if : is a manifest tool... no checking how to run the C preprocessor... gcc -E checking for ANSI C header files... yes checking for sys/types.h... yes checking for sys/stat.h... yes checking for stdlib.h... yes checking for string.h... yes checking for memory.h... yes checking for strings.h... yes checking for inttypes.h... yes checking for stdint.h... yes checking for unistd.h... yes checking for dlfcn.h... yes checking for objdir... .libs checking if gcc supports -fno-rtti -fno-exceptions... no checking for gcc option to produce PIC... -fPIC -DPIC checking if gcc PIC flag -fPIC -DPIC works... yes checking if gcc static flag -static works... yes checking if gcc supports -c -o file.o... yes checking if gcc supports -c -o file.o... (cached) yes checking whether the gcc linker (/usr/bin/ld -m elf_x86_64) supports shared libraries... yes checking whether -lc should be explicitly linked in... no checking dynamic linker characteristics... GNU/Linux ld.so checking how to hardcode library paths into programs... immediate checking whether stripping libraries is possible... yes checking if libtool supports shared libraries... yes checking whether to build shared libraries... yes checking whether to build static libraries... yes checking pjsip.h usability... yes checking pjsip.h presence... yes checking for pjsip.h... yes checking pjmedia.h usability... yes checking pjmedia.h presence... yes checking for pjmedia.h... yes checking pjsip_ua.h usability... yes checking pjsip_ua.h presence... yes checking for pjsip_ua.h... yes checking pjlib.h usability... yes checking pjlib.h presence... yes checking for pjlib.h... yes checking pjlib-util.h usability... yes checking pjlib-util.h presence... yes checking for pjlib-util.h... yes checking pjmedia-codec.h usability... yes checking pjmedia-codec.h presence... yes checking for pjmedia-codec.h... yes checking pjsip_simple.h usability... yes checking pjsip_simple.h presence... yes checking for pjsip_simple.h... yes configure: creating ./config.status config.status: creating Makefile config.status: creating src.d/Makefile config.status: creating config.h config.status: config.h is unchanged config.status: executing depfiles commands config.status: executing libtool commands ------------------------------------------------------------ Build information: source code location : . prefix : sysconfdir : /etc conf file : /etc/dpackager.conf cert file : init dir : datarootdir : /share mandir : ${prefix}/share/man localstatedir : /var htmldir : ${datarootdir}/doc/${PACKAGE_TARNAME} www dir : log dir : Enable modules : compiler : gcc compiler flags : -O2 Architecture : x86_64 Architecture flags : -march=x86-64 Host Type : x86_64-unknown-linux-gnu /media/Workshop/testsip/pjproject-1.10.d ------------------------------------------------------------ make all-recursive make[1]: Entering directory `/media/Workshop/testsip' Making all in src.d make[2]: Entering directory `/media/Workshop/testsip/src.d' /bin/sh ../libtool --tag=CC --mode=link gcc -O2 -o Dsip main.o -L/media/Workshop/testsip/pjproject-1.10.d/pjlib/lib -L/media/Workshop/testsip/pjproject-1.10.d/pjlib-util/lib -L/media/Workshop/testsip/pjproject-1.10.d/pjnath/lib -L/media/Workshop/testsip/pjproject-1.10.d/pjmedia/lib -L/media/Workshop/testsip/pjproject-1.10.d/pjsip/lib -L/media/Workshop/testsip/pjproject-1.10.d/third_party/lib -L/usr/local/lib -L/usr/lib -L/lib libtool: link: gcc -O2 -o Dsip main.o -L/media/Workshop/testsip/pjproject-1.10.d/pjlib/lib -L/media/Workshop/testsip/pjproject-1.10.d/pjlib-util/lib -L/media/Workshop/testsip/pjproject-1.10.d/pjnath/lib -L/media/Workshop/testsip/pjproject-1.10.d/pjmedia/lib -L/media/Workshop/testsip/pjproject-1.10.d/pjsip/lib -L/media/Workshop/testsip/pjproject-1.10.d/third_party/lib -L/usr/local/lib -L/usr/lib -L/lib main.o: In function `on_call_state': /media/Workshop/testsip/src.d/main.c:95: undefined reference to `pjsua_call_get_info' /media/Workshop/testsip/src.d/main.c:96: undefined reference to `pj_log_get_level' /media/Workshop/testsip/src.d/main.c:98: undefined reference to `pj_log_3' main.o: In function `on_call_media_state': /media/Workshop/testsip/src.d/main.c:106: undefined reference to `pjsua_call_get_info' /media/Workshop/testsip/src.d/main.c:110: undefined reference to `pjsua_conf_connect' /media/Workshop/testsip/src.d/main.c:111: undefined reference to `pjsua_conf_connect' main.o: In function `on_incoming_call': /media/Workshop/testsip/src.d/main.c:78: undefined reference to `pjsua_call_get_info' /media/Workshop/testsip/src.d/main.c:80: undefined reference to `pj_log_get_level' /media/Workshop/testsip/src.d/main.c:82: undefined reference to `pj_log_3' /media/Workshop/testsip/src.d/main.c:85: undefined reference to `pjsua_call_answer' main.o: In function `error_exit': /media/Workshop/testsip/src.d/main.c:118: undefined reference to `pjsua_perror' /media/Workshop/testsip/src.d/main.c:119: undefined reference to `pjsua_destroy' main.o: In function `main': /media/Workshop/testsip/src.d/main.c:134: undefined reference to `pjsua_create' /media/Workshop/testsip/src.d/main.c:139: undefined reference to `pjsua_verify_url' /media/Workshop/testsip/src.d/main.c:148: undefined reference to `pjsua_config_default' /media/Workshop/testsip/src.d/main.c:153: undefined reference to `pjsua_logging_config_default' /media/Workshop/testsip/src.d/main.c:156: undefined reference to `pjsua_init' /media/Workshop/testsip/src.d/main.c:164: undefined reference to `pjsua_transport_config_default' /media/Workshop/testsip/src.d/main.c:166: undefined reference to `pjsua_transport_create' /media/Workshop/testsip/src.d/main.c:171: undefined reference to `pjsua_start' /media/Workshop/testsip/src.d/main.c:178: undefined reference to `pjsua_acc_config_default' /media/Workshop/testsip/src.d/main.c:179: undefined reference to `pj_str' /media/Workshop/testsip/src.d/main.c:180: undefined reference to `pj_str' /media/Workshop/testsip/src.d/main.c:182: undefined reference to `pj_str' /media/Workshop/testsip/src.d/main.c:183: undefined reference to `pj_str' /media/Workshop/testsip/src.d/main.c:184: undefined reference to `pj_str' main.o:/media/Workshop/testsip/src.d/main.c:186: more undefined references to `pj_str' follow main.o: In function `main': /media/Workshop/testsip/src.d/main.c:188: undefined reference to `pjsua_acc_add' /media/Workshop/testsip/src.d/main.c:194: undefined reference to `pj_str' /media/Workshop/testsip/src.d/main.c:195: undefined reference to `pjsua_call_make_call' /media/Workshop/testsip/src.d/main.c:217: undefined reference to `pjsua_destroy' /media/Workshop/testsip/src.d/main.c:213: undefined reference to `pjsua_call_hangup_all' collect2: ld returned 1 exit status make[2]: *** [Dsip] Error 1 make[2]: Leaving directory `/media/Workshop/testsip/src.d' make[1]: *** [all-recursive] Error 1 make[1]: Leaving directory `/media/Workshop/testsip' make: *** [all] Error 2 Any help would be much appreciated. -- Sincerely,