Hi George, I think you missed http://www.pjsip.org/using.htm#using point no 5. You should include the PJSIP libraries for linking, e.g: in VS2005 (don't have VS2008): Project Properties > Configuration Properties > Linker > Input > Additional Deps: pjlib-i386-win32-vc8-debug.lib pjmedia-i386-win32-vc8-debug.lib ... (see boxed note of point #5). Or, there is an alternative as Alan mentioned previously, using #pragma comment. And also please specify the additional libraries as explained in point no 6, at the same config screen. Regards, nanang 2008/6/16 G Orley <geo.orley at gmail.com>: > Hi All, > > I thought I'd start a new thread for this new problem; please see > the old thread at > Building a PJSIP project: VC++ 2008 can't find isalnum, isalpha, etc. > > I no longer get any compiler errors (in this custom project of my > own using only code cribbed from simpleua.c so far) > (after also cleaning up a couple of "undefined identifier" errors). > There was no path ending with ...\pjlib\include\pj\lib , > so all I did was remove the path ending with ...\pjlib\include\pj > from my Include dirs. in Tools - Options - Projects and Solutions - > VC++ Directories - Include files. > > However, now I'm on to Linker errors... > Now I get the following build output: (my question continues at bottom): > > --------------------------------------------------------- > ------ Build started: Project: PJS080612_02, Configuration: Debug Win32 ------ > Compiling... > PJS080612_02.cpp > Linking... > PJS080612_02.obj : error LNK2019: unresolved external symbol > _pjmedia_transport_udp_create referenced in function _wmain > PJS080612_02.obj : error LNK2019: unresolved external symbol > _pjmedia_endpt_create referenced in function _wmain > PJS080612_02.obj : error LNK2019: unresolved external symbol > _pjsip_endpt_get_ioqueue referenced in function _wmain > PJS080612_02.obj : error LNK2019: unresolved external symbol > _pjsip_endpt_create referenced in function _wmain > PJS080612_02.obj : error LNK2019: unresolved external symbol > _pj_gethostname referenced in function _wmain > PJS080612_02.obj : error LNK2019: unresolved external symbol > _pj_caching_pool_init referenced in function _wmain > PJS080612_02.obj : error LNK2001: unresolved external symbol > _pj_pool_factory_default_policy > PJS080612_02.obj : error LNK2019: unresolved external symbol > _pjlib_util_init referenced in function _wmain > PJS080612_02.obj : error LNK2019: unresolved external symbol _pj_init > referenced in function _wmain > PJS080612_02.obj : error LNK2019: unresolved external symbol _pj_log_3 > referenced in function "int __cdecl app_perror(char const *,char const > *,int)" (?app_perror@@YAHPBD0H at Z) > PJS080612_02.obj : error LNK2019: unresolved external symbol > _pj_log_get_level referenced in function "int __cdecl app_perror(char > const *,char const *,int)" (?app_perror@@YAHPBD0H at Z) > PJS080612_02.obj : error LNK2019: unresolved external symbol > _pj_strerror referenced in function "int __cdecl app_perror(char const > *,char const *,int)" (?app_perror@@YAHPBD0H at Z) > C:\SomeLibs\pjproject-0.8.0\Debug\PJS080612_02.exe : fatal error > LNK1120: 12 unresolved externals > Build log was saved at > "file://c:\SomeLibs\pjproject-0.8.0\PJS080612_02\Debug\BuildLog.htm" > PJS080612_02 - 13 error(s), 0 warning(s) > ========== Build: 0 succeeded, 1 failed, 0 up-to-date, 0 skipped ========== > --------------------------------------------------------- > > This is odd, since I built the entire pjproject-0.8.0 itself with no problems, > and included the paths to all the libs in Tools - Options - Projects > and Solutions - > VC++ Directories - Library files: > C:\SomeLibs\pjproject-0.8.0\pjsip\lib > C:\SomeLibs\pjproject-0.8.0\pjmedia\lib > C:\SomeLibs\pjproject-0.8.0\pjlib-util\lib > C:\SomeLibs\pjproject-0.8.0\pjlib\lib > C:\SomeLibs\pjproject-0.8.0\pjnath\lib > > Here is my complete source listing. I have no other source files in > my project: (my message and question continues below after a matching > line of dashes): > --------------------------------------------------------- > // PJS080612_02.cpp > // > > // #define PJ_HAS_CTYPE_H 0 // try 0 if it doesn't work > > #include "stdafx.h" > // #include <ctype.h> // attempt for isalnum() > // #include <tchar.h> // attempt for isalnum() > // #include <locale> // attempt for isalnum() > // #include <stdlib> > #include <iostream> > #pragma comment(lib,"ws2_32.lib") > > // ------------------------------- PJSIP Stuff ------------------------------- > // see ex. in pjproject-0.8.0\pjsip-apps\src\samples\ simpleua.c -- these are > // all the PJSIP headers according to that example: > #include <pjsip.h> > #include <pjmedia.h> > #include <pjmedia-codec.h> > #include <pjsip_ua.h> > #include <pjsip_simple.h> > #include <pjlib-util.h> > #include <pjlib.h> > > /* For logging purpose. */ > #define THIS_FILE "PJSIP_demo.cpp" > > static pjsip_endpoint *g_endpt; /* SIP endpoint. */ > // This looks necessary to create the g_med_endpt > static pj_caching_pool cp; /* Global pool factory. */ > static pjmedia_endpt *g_med_endpt; /* Media endpoint. */ > static pjmedia_transport *g_med_transport;/* Media stream transport */ > // ------------------------------- PJSIP Stuff ------------------------------- > > > > using namespace std; > > // Cribbed from util.h in pjproject-0.8.0\pjsip-apps\src\samples > static int app_perror( const char *sender, const char *title, > pj_status_t status) > { > char errmsg[PJ_ERR_MSG_SIZE]; > > pj_strerror(status, errmsg, sizeof(errmsg)); > > PJ_LOG(3,(sender, "%s: %s [code=%d]", title, errmsg, status)); > return 1; > } > > > int _tmain(int argc, _TCHAR* argv[]) > { > // Port and socket stuff > int intRTPPort = 0; > > // General decls > char ch = 0; > > // PJSIP decls > // see ex. in pjproject-0.8.0\pjsip-apps\src\samples\ simpleua.c > // see also global variables here above "main()" (or "_tmain()" whatever). > pj_status_t status; > > > > > // ---------------- Beginning of code for this program ----------------- > > // PJSIP stuff -------------------------------------------------------- > // see ex. in pjproject-0.8.0\pjsip-apps\src\samples\ simpleua.c > /* Must init PJLIB first: */ > status = pj_init(); > PJ_ASSERT_RETURN(status == PJ_SUCCESS, 1); > // see pjproject-0.8.0\pjlib\include\pj\ assert.h > > /* Then init PJLIB-UTIL: */ > status = pjlib_util_init(); > PJ_ASSERT_RETURN(status == PJ_SUCCESS, 1); > > /* Must create a pool factory before we can allocate any memory. */ > pj_caching_pool_init(&cp, &pj_pool_factory_default_policy, 0); > // pj_pool_factory_default_policy decl. in > // pjproject-0.8.0\pjlib\include\pj\ pool.h > > // Create global endpoint > const pj_str_t *hostname; > const char *endpt_name; > > // Endpoint MUST be assigned a globally unique name. The name will be > // used as the hostname in Warning header. > > // For this implementation, we'll use hostname for simplicity > hostname = pj_gethostname(); > endpt_name = hostname->ptr; > > // Create the endpoint: > status = pjsip_endpt_create(&cp.factory, endpt_name, &g_endpt); > PJ_ASSERT_RETURN(status == PJ_SUCCESS, 1); > // end of global endpoint creation code > > // This is to help create media transport used to send/receive RTP/RTCP > // socket. See pjmedia_transport_udp_create, below. > // see ex. in pjproject-0.8.0\pjsip-apps\src\samples\ simpleua.c > // Initialize media endpoint -- This will implicitly > // initialize PJMEDIA too. > // Not using threads; see bottom of > // http://trac.pjsip.org/repos/wiki/media-flow . > status = pjmedia_endpt_create(&cp.factory, > pjsip_endpt_get_ioqueue(g_endpt), > 0, &g_med_endpt); > PJ_ASSERT_RETURN(status == PJ_SUCCESS, 1); > > > std::cout << "PJSIP demo..." << std::endl; > > // Create media transport used to send/receive RTP/RTCP socket. > // see ex. in pjproject-0.8.0\pjsip-apps\src\samples\ simpleua.c > > // Here we actually create the media transport used to send/receive RTP/RTCP > // socket. > status = pjmedia_transport_udp_create(g_med_endpt, NULL, intRTPPort, > PJMEDIA_UDP_NO_SRC_ADDR_CHECKING, > &g_med_transport); > if (status != PJ_SUCCESS) > { > app_perror(THIS_FILE, "Unable to create media transport", status); > return 1; > } > > std::cout<<std::endl<<"Press any key to continue >"; > std::cin.get(ch); > std::cin.get(ch); > > return 0; > } // main() > --------------------------------------------------------- > > The only thing I did was use the information at > http://www.pjsip.org/using.htm#using; that is, I > didn't need any other suggestions that were posted > to this thread (as helpful as they seemed), as I > recall, and as can be seen from some of the > commented-out lines in my source. > > Given all of this, how can I be getting these link > errors? > I'm pretty sure I followed all of the directions, but > I'll go over them all again, especially at > http://www.pjsip.org/using.htm#using . > > Best regards, > George > > _______________________________________________ > Visit our blog: http://blog.pjsip.org > > pjsip mailing list > pjsip at lists.pjsip.org > http://lists.pjsip.org/mailman/listinfo/pjsip_lists.pjsip.org >
