You need to add the pjsip libraries with the -l option.

i.e> gcc -o pjsip-perf -lpjsua pjsip-perf

Regards,

Paulo

You need to add the pjsip libraries with the -l option.

i.e> gcc -o pjsip-perf -lpjsua pjsip-perf

Regards,

Paulo

2010/7/31 Shamun toha md <shamun.toha <at> gmail.com>

Dear sir,

I am using Fedora 12 and pjSIP. I am getting this error. for the reference of "pjsua_create()".

Error:
=====
[sun <at> example mysip]$ gcc pjsip-perf.c
/tmp/ccGXG4zr.o: In function `main':
pjsip-perf.c:(.text+0xa): undefined reference to `pjsua_create'

collect2: ld returned 1 exit status

[sun <at> example mysip]$



Code:
========
// Step -1
#include <pjsua-lib/pjsua.h>

// Step -2
#define sip_realm  "asterisk"
#define sip_domain "127.0.0.1"
#define sip_user   "dddd"
#define sip_passwd "dddd"



// Step -3
int main(int argc, char *argv[])
{

   pjsua_acc_id acc_id;

   pj_status_t status;
  
   // Create pjsua first
   status = pjsua_create();
  
  return 0;

}


Thank you
Best regards
Shamun

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pjsip mailing list
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http://lists.pjsip.org/mailman/listinfo/pjsip_lists.pjsip.org

Dear sir,

Thank you, for your feedback. Still its not working.  You mention to use -L and -l, can you be kindly more specific, the whole PJSIP is complicated like rocket science, i am trying this for more then 7 days just to compile 10 lines of code and see the "Hello world".

14 line code:
==========
#include <pjlib.h>
#include <pjlib-util.h>
#include <pjmedia.h>
#include <pjmedia-codec.h>
#include <pjsip.h>
#include <pjsip_simple.h>
#include <pjsip_ua.h>
#include <pjsua-lib/pjsua.h>

int main(int argc, char *argv[]) {
   pj_status_t status;
   status = pjsua_create();
  return 0;
}


Tried so far, but not yet working:
=========================
[root <at> example mysip]# gcc -L/usr/local/lib/ myapp.c -lpjsua
/usr/bin/ld: cannot find -lpjsua
collect2: ld returned 1 exit status
[root <at> example mysip]#

OR

[root <at> example mysip]# gcc -Wall myapp.c
/tmp/ccqFqozz.o: In function `main':
myapp.c:(.text+0xa): undefined reference to `pjsua_create'
collect2: ld returned 1 exit status
[root <at> example mysip]#




Question 1:
=========

What did you mean by -L ? The libraries folder path like following .a extention files? or the trunk file i downloaded using svn checkout?

[root <at> example mysip]# ls /usr/local/lib/libpj*
/usr/local/lib/libpj-i686-pc-linux-gnu.a                /usr/local/lib/libpjmedia-codec-i686-pc-linux-gnu.a  /usr/local/lib/libpjsip-i686-pc-linux-gnu.a         /usr/local/lib/libpjsua-i686-pc-linux-gnu.a
/usr/local/lib/libpjlib-util-i686-pc-linux-gnu.a        /usr/local/lib/libpjmedia-i686-pc-linux-gnu.a        /usr/local/lib/libpjsip-simple-i686-pc-linux-gnu.a
/usr/local/lib/libpjmedia-audiodev-i686-pc-linux-gnu.a  /usr/local/lib/libpjnath-i686-pc-linux-gnu.a         /usr/local/lib/libpjsip-ua-i686-pc-linux-gnu.a
[root <at> example mysip]#


Question 2
=========
What did you mean by -lpjsua ? Did you mean to use pjsua replace it by APP_LDLIBS ? after downloading the trunk file, there is a build.mak file example as following:

export MACHINE_NAME := auto
export OS_NAME := auto
export HOST_NAME := unix
export CC_NAME := gcc
export TARGET_NAME := i686-pc-linux-gnu
export CROSS_COMPILE :=
export LINUX_POLL := select

export ac_prefix := /usr/local

LIB_SUFFIX = $(TARGET_NAME).a

export APP_LDLIBS := -lpjsua-$(TARGET_NAME)\
    -lpjsip-ua-$(TARGET_NAME)\
    -lpjsip-simple-$(TARGET_NAME)\
    -lpjsip-$(TARGET_NAME)\
    -lpjmedia-codec-$(TARGET_NAME)\
    -lpjmedia-$(TARGET_NAME)\
    -lpjmedia-audiodev-$(TARGET_NAME)\
    -lpjnath-$(TARGET_NAME)\
    -lpjlib-util-$(TARGET_NAME)\
    $(APP_THIRD_PARTY_LIBS)\
    $(APP_THIRD_PARTY_EXT)\
    -lpj-$(TARGET_NAME)\
    -lm -lnsl -lrt -lpthread


Looking forward... :o(


Thank you
Best regards
Shamun

Dear sir,

Thank you, for your feedback. Still its not working.  You mention to use -L and -l, can you be kindly more specific, the whole PJSIP is complicated like rocket science, i am trying this for more then 7 days just to compile 10 lines of code and see the "Hello world".

14 line code:
==========
#include <pjlib.h>
#include <pjlib-util.h>
#include <pjmedia.h>
#include <pjmedia-codec.h>
#include <pjsip.h>
#include <pjsip_simple.h>
#include <pjsip_ua.h>
#include <pjsua-lib/pjsua.h>

int main(int argc, char *argv[]) {
   pj_status_t status;
   status = pjsua_create();
  return 0;
}


Tried so far, but not yet working:
=========================
[root <at> example mysip]# gcc -L/usr/local/lib/ myapp.c -lpjsua
/usr/bin/ld: cannot find -lpjsua
collect2: ld returned 1 exit status
[root <at> example mysip]#

OR

[root <at> example mysip]# gcc -Wall myapp.c
/tmp/ccqFqozz.o: In function `main':
myapp.c:(.text+0xa): undefined reference to `pjsua_create'
collect2: ld returned 1 exit status
[root <at> example mysip]#




Question 1:
=========

What did you mean by -L ? The libraries folder path like following .a extention files? or the trunk file i downloaded using svn checkout?

[root <at> example mysip]# ls /usr/local/lib/libpj*
/usr/local/lib/libpj-i686-pc-linux-gnu.a                /usr/local/lib/libpjmedia-codec-i686-pc-linux-gnu.a  /usr/local/lib/libpjsip-i686-pc-linux-gnu.a         /usr/local/lib/libpjsua-i686-pc-linux-gnu.a
/usr/local/lib/libpjlib-util-i686-pc-linux-gnu.a        /usr/local/lib/libpjmedia-i686-pc-linux-gnu.a        /usr/local/lib/libpjsip-simple-i686-pc-linux-gnu.a
/usr/local/lib/libpjmedia-audiodev-i686-pc-linux-gnu.a  /usr/local/lib/libpjnath-i686-pc-linux-gnu.a         /usr/local/lib/libpjsip-ua-i686-pc-linux-gnu.a
[root <at> example mysip]#


Question 2
=========
What did you mean by -lpjsua ? Did you mean to use pjsua replace it by APP_LDLIBS ? after downloading the trunk file, there is a build.mak file example as following:

export MACHINE_NAME := auto
export OS_NAME := auto
export HOST_NAME := unix
export CC_NAME := gcc
export TARGET_NAME := i686-pc-linux-gnu
export CROSS_COMPILE :=
export LINUX_POLL := select

export ac_prefix := /usr/local

LIB_SUFFIX = $(TARGET_NAME).a

export APP_LDLIBS := -lpjsua-$(TARGET_NAME)\
    -lpjsip-ua-$(TARGET_NAME)\
    -lpjsip-simple-$(TARGET_NAME)\
    -lpjsip-$(TARGET_NAME)\
    -lpjmedia-codec-$(TARGET_NAME)\
    -lpjmedia-$(TARGET_NAME)\
    -lpjmedia-audiodev-$(TARGET_NAME)\
    -lpjnath-$(TARGET_NAME)\
    -lpjlib-util-$(TARGET_NAME)\
    $(APP_THIRD_PARTY_LIBS)\
    $(APP_THIRD_PARTY_EXT)\
    -lpj-$(TARGET_NAME)\
    -lm -lnsl -lrt -lpthread


Looking forward... :o(


Thank you
Best regards
Shamun

Thank you for the feedback. Tried didnt worked, Still not working.  Either my english is bad or i am stupid, please check details:

Scenario:
=======

My PJ installation:  http://gist.github.com/503309

My PJ application/compile/build/fail:  http://gist.github.com/503314


Please kindly advice.

Many thanks
Best regards
Shamun

Dear Sir,

Can you please advice?


Code: SUCCESSFULL
==================
#include <pjlib.h>
#include <pjlib-util.h>
#include <pjmedia.h>
#include <pjmedia-codec.h>
#include <pjsip.h>
#include <pjsip_simple.h>
#include <pjsip_ua.h>
#include <pjsua-lib/pjsua.h>

int main(int argc, char *argv[]) {
  return 0;
}
[root <at> example mysip]# gcc -L /home/sun/Downloads/pjsip/trunk/pjlib/lib/  myapp.c -I/home/sun/Downloads/pjsip/trunk/pjsip/include/
[root <at> example mysip]# ls
a.out  Makefile  Makefile~  myapp.c  myapp.c~  myapp.cpp  myapp.cpp~

Code: FAIL
===============
#include <pjlib.h>
#include <pjlib-util.h>
#include <pjmedia.h>
#include <pjmedia-codec.h>
#include <pjsip.h>
#include <pjsip_simple.h>
#include <pjsip_ua.h>
#include <pjsua-lib/pjsua.h>

int main(int argc, char *argv[]) {
   pj_status_t status;
   status = pjsua_create();
  return 0;
}
[root <at> example mysip]# gcc -L /home/sun/Downloads/pjsip/trunk/pjlib/lib/  myapp.c -I/home/sun/Downloads/pjsip/trunk/pjsip/include/
/tmp/cc0p8IvC.o: In function `main':
myapp.c:(.text+0xa): undefined reference to `pjsua_create'
collect2: ld returned 1 exit status


Thank you
Best regards
Shamun

Thank you!!! for the details (-L small L and i uses). Now i got more errors.

[root <at> example mysip]# gcc -L /home/sun/Downloads/pjsip/trunk/pjlib/lib/  myapp.c -I/home/sun/Downloads/pjsip/trunk/pjsip/include/ \
-lpjsua-i686-pc-linux-gnu \
-lpjsip-ua-i686-pc-linux-gnu \
-lpjsip-simple-i686-pc-linux-gnu \
-lpjsip-i686-pc-linux-gnu \
-lpjmedia-i686-pc-linux-gnu \
-lpjmedia-i686-pc-linux-gnu \
-lpjmedia-audiodev-i686-pc-linux-gnu \
-lpjnath-i686-pc-linux-gnu \
-lpjlib-util-i686-pc-linux-gnu \
-lpj-i686-pc-linux-gnu

/usr/local/lib/libpjsua-i686-pc-linux-gnu.a(pjsua_media.o): In function `pjsua_media_subsys_init':
pjsua_media.c:(.text+0x296a): undefined reference to `pjmedia_codec_speex_init'
pjsua_media.c:(.text+0x2a0e): undefined reference to `pjmedia_codec_ilbc_init'
pjsua_media.c:(.text+0x2a23): undefined reference to `pjmedia_codec_gsm_init'
pjsua_media.c:(.text+0x2a4d): undefined reference to `pjmedia_codec_g722_init'
pjsua_media.c:(.text+0x2a6a): undefined reference to `pjmedia_codec_l16_init'
/usr/local/lib/libpjsua-i686-pc-linux-gnu.a(pjsua_media.o): In function `pjsua_media_subsys_destroy':
pjsua_media.c:(.text+0x3293): undefined reference to `pjmedia_codec_speex_deinit'
pjsua_media.c:(.text+0x3298): undefined reference to `pjmedia_codec_gsm_deinit'
pjsua_media.c:(.text+0x32a6): undefined reference to `pjmedia_codec_g722_deinit'
pjsua_media.c:(.text+0x32ab): undefined reference to `pjmedia_codec_l16_deinit'
/usr/local/lib/libpjmedia-i686-pc-linux-gnu.a(resample_resample.o): In function `pjmedia_resample_run':
resample_resample.c:(.text+0x16c): undefined reference to `res_Resample'
resample_resample.c:(.text+0x204): undefined reference to `res_SrcLinear'
resample_resample.c:(.text+0x268): undefined reference to `res_Resample'
resample_resample.c:(.text+0x2b7): undefined reference to `res_SrcLinear'
/usr/local/lib/libpjmedia-i686-pc-linux-gnu.a(resample_resample.o): In function `pjmedia_resample_create':
resample_resample.c:(.text+0x52f): undefined reference to `res_GetXOFF'
/usr/local/lib/libpjmedia-i686-pc-linux-gnu.a(transport_srtp.o): In function `pjmedia_transport_srtp_decrypt_pkt':
transport_srtp.c:(.text+0x318): undefined reference to `srtp_unprotect_rtcp'
transport_srtp.c:(.text+0x37a): undefined reference to `srtp_unprotect'
/usr/local/lib/libpjmedia-i686-pc-linux-gnu.a(transport_srtp.o): In function `pjmedia_transport_srtp_stop':
transport_srtp.c:(.text+0x42a): undefined reference to `srtp_dealloc'
transport_srtp.c:(.text+0x43e): undefined reference to `srtp_dealloc'
/usr/local/lib/libpjmedia-i686-pc-linux-gnu.a(transport_srtp.o): In function `srtp_rtcp_cb':
transport_srtp.c:(.text+0x66f): undefined reference to `srtp_unprotect_rtcp'
/usr/local/lib/libpjmedia-i686-pc-linux-gnu.a(transport_srtp.o): In function `generate_crypto_attr_value':
transport_srtp.c:(.text+0x8c0): undefined reference to `crypto_get_random'
/usr/local/lib/libpjmedia-i686-pc-linux-gnu.a(transport_srtp.o): In function `pjmedia_srtp_init_lib':
transport_srtp.c:(.text+0x9c1): undefined reference to `srtp_init'
/usr/local/lib/libpjmedia-i686-pc-linux-gnu.a(transport_srtp.o): In function `pjmedia_srtp_deinit_lib':
transport_srtp.c:(.text+0xa58): undefined reference to `srtp_deinit'
/usr/local/lib/libpjmedia-i686-pc-linux-gnu.a(transport_srtp.o): In function `transport_send_rtcp2':
transport_srtp.c:(.text+0x17de): undefined reference to `srtp_protect_rtcp'
/usr/local/lib/libpjmedia-i686-pc-linux-gnu.a(transport_srtp.o): In function `transport_send_rtp':
transport_srtp.c:(.text+0x1923): undefined reference to `srtp_protect'
/usr/local/lib/libpjmedia-i686-pc-linux-gnu.a(transport_srtp.o): In function `pjmedia_transport_srtp_start':
transport_srtp.c:(.text+0x209e): undefined reference to `srtp_create'
transport_srtp.c:(.text+0x2239): undefined reference to `srtp_create'
transport_srtp.c:(.text+0x23ae): undefined reference to `srtp_dealloc'
transport_srtp.c:(.text+0x23cd): undefined reference to `octet_string_hex_string'
transport_srtp.c:(.text+0x2464): undefined reference to `octet_string_hex_string'
/usr/local/lib/libpjmedia-i686-pc-linux-gnu.a(transport_srtp.o): In function `srtp_rtp_cb':
transport_srtp.c:(.text+0x251e): undefined reference to `srtp_unprotect'
transport_srtp.c:(.text+0x2644): undefined reference to `srtp_unprotect'
/usr/local/lib/libpjmedia-i686-pc-linux-gnu.a(wsola.o): In function `pjmedia_wsola_create':
wsola.c:(.text+0x828): undefined reference to `cos'
/usr/local/lib/libpjmedia-i686-pc-linux-gnu.a(echo_speex.o): In function `speex_aec_cancel_echo':
echo_speex.c:(.text+0x6d): undefined reference to `speex_echo_cancellation'
echo_speex.c:(.text+0x7f): undefined reference to `speex_preprocess_run'
/usr/local/lib/libpjmedia-i686-pc-linux-gnu.a(echo_speex.o): In function `speex_aec_destroy':
echo_speex.c:(.text+0xe8): undefined reference to `speex_echo_state_destroy'
echo_speex.c:(.text+0xfd): undefined reference to `speex_preprocess_state_destroy'
/usr/local/lib/libpjmedia-i686-pc-linux-gnu.a(echo_speex.o): In function `speex_aec_create':
echo_speex.c:(.text+0x1c7): undefined reference to `speex_echo_state_init'
echo_speex.c:(.text+0x1ec): undefined reference to `speex_echo_ctl'
echo_speex.c:(.text+0x1fb): undefined reference to `speex_preprocess_state_init'
echo_speex.c:(.text+0x21a): undefined reference to `speex_preprocess_ctl'
echo_speex.c:(.text+0x256): undefined reference to `speex_echo_state_destroy'
/usr/local/lib/libpjmedia-i686-pc-linux-gnu.a(echo_speex.o): In function `speex_aec_reset':
echo_speex.c:(.text+0xc0): undefined reference to `speex_echo_state_reset'
/usr/local/lib/libpjmedia-audiodev-i686-pc-linux-gnu.a(errno.o): In function `pjmedia_audiodev_strerror':
errno.c:(.text+0xbb): undefined reference to `Pa_GetErrorText'
/usr/local/lib/libpjmedia-audiodev-i686-pc-linux-gnu.a(pa_dev.o): In function `strm_destroy':
pa_dev.c:(.text+0x7d): undefined reference to `Pa_CloseStream'
pa_dev.c:(.text+0x93): undefined reference to `Pa_CloseStream'
/usr/local/lib/libpjmedia-audiodev-i686-pc-linux-gnu.a(pa_dev.o): In function `strm_stop':
pa_dev.c:(.text+0x19e): undefined reference to `Pa_StopStream'
pa_dev.c:(.text+0x1b4): undefined reference to `Pa_StopStream'
/usr/local/lib/libpjmedia-audiodev-i686-pc-linux-gnu.a(pa_dev.o): In function `strm_start':
pa_dev.c:(.text+0x284): undefined reference to `Pa_StartStream'
pa_dev.c:(.text+0x2c0): undefined reference to `Pa_StartStream'
pa_dev.c:(.text+0x2d1): undefined reference to `Pa_StopStream'
/usr/local/lib/libpjmedia-audiodev-i686-pc-linux-gnu.a(pa_dev.o): In function `strm_get_cap':
pa_dev.c:(.text+0x363): undefined reference to `Pa_GetStreamInfo'
pa_dev.c:(.text+0x3a3): undefined reference to `Pa_GetStreamInfo'
/usr/local/lib/libpjmedia-audiodev-i686-pc-linux-gnu.a(pa_dev.o): In function `pa_get_default_input_dev':
pa_dev.c:(.text+0x3fc): undefined reference to `Pa_GetHostApiCount'
pa_dev.c:(.text+0x414): undefined reference to `Pa_GetHostApiInfo'
pa_dev.c:(.text+0x429): undefined reference to `Pa_GetDeviceInfo'
pa_dev.c:(.text+0x43b): undefined reference to `Pa_GetDeviceCount'
pa_dev.c:(.text+0x45b): undefined reference to `Pa_GetDeviceInfo'
/usr/local/lib/libpjmedia-audiodev-i686-pc-linux-gnu.a(pa_dev.o): In function `pa_get_default_output_dev':
pa_dev.c:(.text+0x49c): undefined reference to `Pa_GetHostApiCount'
pa_dev.c:(.text+0x4b4): undefined reference to `Pa_GetHostApiInfo'
pa_dev.c:(.text+0x4c9): undefined reference to `Pa_GetDeviceInfo'
pa_dev.c:(.text+0x4db): undefined reference to `Pa_GetDeviceCount'
pa_dev.c:(.text+0x4fb): undefined reference to `Pa_GetDeviceInfo'
/usr/local/lib/libpjmedia-audiodev-i686-pc-linux-gnu.a(pa_dev.o): In function `pa_get_dev_count':
pa_dev.c:(.text+0x537): undefined reference to `Pa_GetDeviceCount'
/usr/local/lib/libpjmedia-audiodev-i686-pc-linux-gnu.a(pa_dev.o): In function `pa_destroy':
pa_dev.c:(.text+0x7fa): undefined reference to `Pa_Terminate'
/usr/local/lib/libpjmedia-audiodev-i686-pc-linux-gnu.a(pa_dev.o): In function `pa_init':
pa_dev.c:(.text+0x858): undefined reference to `Pa_Initialize'
pa_dev.c:(.text+0x8b3): undefined reference to `Pa_GetHostApiCount'
/usr/local/lib/libpjmedia-audiodev-i686-pc-linux-gnu.a(pa_dev.o): In function `pa_get_dev_info':
pa_dev.c:(.text+0xd09): undefined reference to `Pa_GetDeviceInfo'
/usr/local/lib/libpjmedia-audiodev-i686-pc-linux-gnu.a(pa_dev.o): In function `strm_get_param':
pa_dev.c:(.text+0xf14): undefined reference to `Pa_GetStreamInfo'
pa_dev.c:(.text+0xf2f): undefined reference to `Pa_GetStreamInfo'
/usr/local/lib/libpjmedia-audiodev-i686-pc-linux-gnu.a(pa_dev.o): In function `pa_create_stream':
pa_dev.c:(.text+0x10d8): undefined reference to `Pa_GetDeviceInfo'
pa_dev.c:(.text+0x1105): undefined reference to `Pa_GetDeviceInfo'
pa_dev.c:(.text+0x12da): undefined reference to `Pa_GetHostApiInfo'
pa_dev.c:(.text+0x1340): undefined reference to `Pa_GetHostApiInfo'
pa_dev.c:(.text+0x1382): undefined reference to `Pa_GetStreamInfo'
pa_dev.c:(.text+0x139c): undefined reference to `Pa_GetStreamInfo'
pa_dev.c:(.text+0x1400): undefined reference to `Pa_GetDeviceInfo'
pa_dev.c:(.text+0x15a6): undefined reference to `Pa_GetHostApiInfo'
pa_dev.c:(.text+0x15f5): undefined reference to `Pa_OpenStream'
pa_dev.c:(.text+0x160a): undefined reference to `Pa_GetStreamInfo'
pa_dev.c:(.text+0x16d6): undefined reference to `Pa_GetDeviceInfo'
pa_dev.c:(.text+0x1882): undefined reference to `Pa_GetHostApiInfo'
pa_dev.c:(.text+0x18d1): undefined reference to `Pa_OpenStream'
pa_dev.c:(.text+0x18e6): undefined reference to `Pa_GetStreamInfo'
pa_dev.c:(.text+0x1a80): undefined reference to `Pa_OpenStream'
pa_dev.c:(.text+0x1ad0): undefined reference to `Pa_OpenStream'
pa_dev.c:(.text+0x1aeb): undefined reference to `Pa_CloseStream'
pa_dev.c:(.text+0x1c68): undefined reference to `Pa_OpenStream'
/home/sun/Downloads/pjsip/trunk/pjlib/lib//libpj-i686-pc-linux-gnu.a(os_core_unix.o): In function `pj_sem_destroy':
os_core_unix.c:(.text+0x429): undefined reference to `sem_destroy'
/home/sun/Downloads/pjsip/trunk/pjlib/lib//libpj-i686-pc-linux-gnu.a(os_core_unix.o): In function `pj_sem_post':
os_core_unix.c:(.text+0x494): undefined reference to `sem_post'
/home/sun/Downloads/pjsip/trunk/pjlib/lib//libpj-i686-pc-linux-gnu.a(os_core_unix.o): In function `pj_sem_trywait':
os_core_unix.c:(.text+0x4d3): undefined reference to `sem_trywait'
/home/sun/Downloads/pjsip/trunk/pjlib/lib//libpj-i686-pc-linux-gnu.a(os_core_unix.o): In function `pj_sem_wait':
os_core_unix.c:(.text+0x549): undefined reference to `sem_wait'
/home/sun/Downloads/pjsip/trunk/pjlib/lib//libpj-i686-pc-linux-gnu.a(os_core_unix.o): In function `pj_sem_create':
os_core_unix.c:(.text+0x61b): undefined reference to `sem_init'
/home/sun/Downloads/pjsip/trunk/pjlib/lib//libpj-i686-pc-linux-gnu.a(os_core_unix.o): In function `pj_rwmutex_destroy':
os_core_unix.c:(.text+0x71d): undefined reference to `pthread_rwlock_destroy'
/home/sun/Downloads/pjsip/trunk/pjlib/lib//libpj-i686-pc-linux-gnu.a(os_core_unix.o): In function `pj_rwmutex_unlock_write':
os_core_unix.c:(.text+0x74d): undefined reference to `pthread_rwlock_unlock'
/home/sun/Downloads/pjsip/trunk/pjlib/lib//libpj-i686-pc-linux-gnu.a(os_core_unix.o): In function `pj_rwmutex_lock_write':
os_core_unix.c:(.text+0x78d): undefined reference to `pthread_rwlock_wrlock'
/home/sun/Downloads/pjsip/trunk/pjlib/lib//libpj-i686-pc-linux-gnu.a(os_core_unix.o): In function `pj_rwmutex_lock_read':
os_core_unix.c:(.text+0x7bd): undefined reference to `pthread_rwlock_rdlock'
/home/sun/Downloads/pjsip/trunk/pjlib/lib//libpj-i686-pc-linux-gnu.a(os_core_unix.o): In function `pj_rwmutex_create':
os_core_unix.c:(.text+0x80c): undefined reference to `pthread_rwlock_init'
/home/sun/Downloads/pjsip/trunk/pjlib/lib//libpj-i686-pc-linux-gnu.a(os_core_unix.o): In function `init_mutex':
os_core_unix.c:(.text+0x98d): undefined reference to `pthread_mutexattr_init'
os_core_unix.c:(.text+0x9c1): undefined reference to `pthread_mutexattr_settype'
os_core_unix.c:(.text+0x9dd): undefined reference to `pthread_mutexattr_destroy'
os_core_unix.c:(.text+0xa04): undefined reference to `pthread_mutexattr_settype'
/home/sun/Downloads/pjsip/trunk/pjlib/lib//libpj-i686-pc-linux-gnu.a(os_core_unix.o): In function `pj_mutex_trylock':
os_core_unix.c:(.text+0xc1c): undefined reference to `pthread_mutex_trylock'
/home/sun/Downloads/pjsip/trunk/pjlib/lib//libpj-i686-pc-linux-gnu.a(os_core_unix.o): In function `pj_thread_local_set':
os_core_unix.c:(.text+0xff4): undefined reference to `pthread_setspecific'
/home/sun/Downloads/pjsip/trunk/pjlib/lib//libpj-i686-pc-linux-gnu.a(os_core_unix.o): In function `pj_thread_local_alloc':
os_core_unix.c:(.text+0x10bd): undefined reference to `pthread_key_create'
/home/sun/Downloads/pjsip/trunk/pjlib/lib//libpj-i686-pc-linux-gnu.a(os_core_unix.o): In function `pj_thread_join':
os_core_unix.c:(.text+0x11fc): undefined reference to `pthread_join'
/home/sun/Downloads/pjsip/trunk/pjlib/lib//libpj-i686-pc-linux-gnu.a(os_core_unix.o): In function `pj_thread_create':
os_core_unix.c:(.text+0x12ef): undefined reference to `pthread_create'
/home/sun/Downloads/pjsip/trunk/pjlib/lib//libpj-i686-pc-linux-gnu.a(os_core_unix.o): In function `pj_thread_local_get':
os_core_unix.c:(.text+0xb98): undefined reference to `pthread_getspecific'
/home/sun/Downloads/pjsip/trunk/pjlib/lib//libpj-i686-pc-linux-gnu.a(os_core_unix.o): In function `pj_thread_local_free':
os_core_unix.c:(.text+0x1098): undefined reference to `pthread_key_delete'
/home/sun/Downloads/pjsip/trunk/pjlib/lib//libpj-i686-pc-linux-gnu.a(os_timestamp_common.o): In function `pj_elapsed_time':
os_timestamp_common.c:(.text+0x123): undefined reference to `fmod'
collect2: ld returned 1 exit status




Many Thanks
Best regards
Shamun