Thank you. I have get help from Dave Fletcher. The main problem is the lib is written by c++. So we have use g++ to using it.
-- Best Regards Jiangzhou "gilles civario" <[EMAIL PROTECTED]> wrote in message news:[EMAIL PROTECTED] > Jiang zhou wrote: > > > I have build a lib. It create h file and lib file in usr/local/include and > > usr/local/lib dictionary. > > But when I create application using this lib, the link problem occur. > > The lib is Jrtplib come from > > http://lumumba.luc.ac.be/jori/jrtplib/jrtplib.html. I can build this lib. > > But when I compile the example it has problem as below: > > > > > > $ gcc -Ljrtp 1.cpp > > May be -ljrtp would be better. (if the library's name is libjrtp.a) > And for a C++ source file, you should use g++ instead of gcc. > > Gilles. > > > /cygdrive/c/DOCUME~1/zjiang/LOCALS~1/Temp/ccX94cqR.o(.text+0x35):1.cpp: > > undefine > > d reference to `RTPSession::RTPSession[in-charge]()' > > /cygdrive/c/DOCUME~1/zjiang/LOCALS~1/Temp/ccX94cqR.o(.text+0x43):1.cpp: > > undefine > > d reference to `RTPSession::~RTPSession [in-charge]()' > > /cygdrive/c/DOCUME~1/zjiang/LOCALS~1/Temp/ccX94cqR.o(.eh_frame+0x11):1.cpp: > > unde > > fined reference to `___gxx_personality_v0' > > collect2: ld returned 1 exit status > > [EMAIL PROTECTED] /cygdrive/d/document/voip/jrtplib-2.7/examples > > > > In the command line I have use -Ljrtp indicator the lib. > > > > Can someone tell why I can't use the lib? > > > -- Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple Problem reports: http://cygwin.com/problems.html Documentation: http://cygwin.com/docs.html FAQ: http://cygwin.com/faq/
