You are welcome! ---- Lev Assinovsky Aelita Software Corporation (now is a part of Quest Software) O&S InTrust Framework Division, Team Leader ICQ# 165072909 > -----Original Message----- > From: Ramin NIkaeen [mailto:Rnikaeen@xxxxxxxxxxxx] > Sent: Wednesday, April 21, 2004 8:10 PM > To: Lev Assinovsky > Subject: RE: simple linking question > > > > Hi Lev, > > Yes it works. Thanks for your help. > > ramin > -----Original Message----- > From: Lev Assinovsky [mailto:LAssinovsky@xxxxxxxxxxxxxxxxxxxx] > Sent: Wednesday, April 21, 2004 11:49 AM > To: Ramin NIkaeen; gcc-help@xxxxxxxxxxx > Subject: RE: simple linking question > > > I would advise to put -ljingjing after main.cpp: > g++ -o test.exe -L/usr/lib -L/home/test test.cpp -ljingjing > > > ---- > Lev Assinovsky > Aelita Software Corporation > (now is a part of Quest Software) > O&S InTrust Framework Division, Team Leader > ICQ# 165072909 > > > > -----Original Message----- > > From: Ramin NIkaeen [mailto:Rnikaeen@xxxxxxxxxxxx] > > Sent: Wednesday, April 21, 2004 7:00 PM > > To: gcc-help@xxxxxxxxxxx > > Subject: simple linking question > > > > > > > > Friends, > > > > I am having linking problems with user-generated libraries on > > my Redhat 7.2 > > using gcc-3.3. > > > > To demonstrate the problem, I created the following simple example: > > > > /* > > -------------------------------------------------------------- > > -------------------------------------------------------------- > > FILE: /home/test/jingjing.hpp > > -------------------------------------------------------------- > > -------------------------------------------------------------- */ > > > > #ifndef JINGJING_H > > #define JINGJING_H > > > > void jingjing(); > > > > #endif > > > > /* > > -------------------------------------------------------------- > > -------------------------------------------------------------- > > FILE: /home/test/jingjing.cpp > > -------------------------------------------------------------- > > -------------------------------------------------------------- */ > > #include "jingjing.hpp" > > #include <stdio.h> > > > > void jingjing() > > { > > fprintf(stderr, "jingjing invoked!\n"); > > } > > > > /* > > -------------------------------------------------------------- > > -------------------------------------------------------------- > > FILE: test.cpp > > -------------------------------------------------------------- > > -------------------------------------------------------------- */ > > #include "jingjing.hpp" > > > > int main() > > { > > > > jingjing(); > > > > return 0; > > } > > > > -------------------------------------------------------------- > > ----------------------------------------------------------------- > > compilation and linking > > -------------------------------------------------------------- > > ----------------------------------------------------------------- > > /home/test>g++ -g -O2 -c jingjing.cpp -o jingjing.o > > /home/test>ar cru libjingjing.a jingjing.o > > /home/test>ranlib libjingjing.a > > /home/test>chmod 755 *.o *.a > > /home/test>g++ -o test.exe -L/usr/lib -L/home/test > > -ljingjing test.cpp > > > > At the linking stage, when I execute the last command shown > > on the last line (g++ -o test.exe ....), > > I get the following error: > > -------------------------------------------------------------- > > ----------------------------------------------------------------- > > /tmp/ccuw3cNo.o: In function `main': > > /tmp/ccuw3cNo.o(.text+0x11): undefined reference to `jingjing()' > > collect2: ld returned 1 exit status > > -------------------------------------------------------------- > > ----------------------------------------------------------------- > > > > when I try > > /home/test>g++ jingjing.o test.cpp > > it generates the executable properly. > > > > but when I try > > /home/test>g++ libjingjing.a test.cpp > > I get the same error. > > > > Can someone tell me what is wrong?! > > > > > > thanks so much > > > > ramin > > > > > > > > >
