C++ linking?

ugenn · 05-12-2002, 07:48 AM

How do I link a C++ program properly? gcc complains of a lot of unresolved symbols when I use just gcc foo.cpp. Is there some library I have to link against.?

tda · 05-13-2002, 03:12 AM

You definitely have to link your program with some libraries. But which librarires you should link is depends of your program. See also -L -l and -I options for gcc.

gui10 · 05-13-2002, 03:59 AM

i believe the command to compile a C++ program is using g++ instead of gcc. maybe you could try that first?

ugenn · 05-13-2002, 06:33 AM

I highly doubt it. gcc is supposedly able to handle c, c++, and asm and linking of obj code. Besides, my code uses c++ keywords, which would cause syntax errors ona regular c compiler which it didn't. The errors only appeared during linking.

llama_meme · 05-13-2002, 06:35 AM

you should listen to gui

only g++ automatically links in the required c++ libraries, gcc will give linker errors for c++ programs

ugenn · 05-14-2002, 01:33 AM

Quote:

Originally posted by llama_meme
you should listen to gui only g++ automatically links in the required c++ libraries, gcc will give linker errors for c++ programs

g++ worked. i stand corrected.