Re: separate implementation and head files, and make library, get trouble.

[Paul Pluzhnikov]

"Jon Z. Xue" <zhong.xue@ieee.org> writes:

> Hi, help --- what is going one after I make a library and tries to use this
> library in the link stage? See the following two makefiles, the first one
> doens work and the second one works fine.

Read this: http://webpages.charter.net/ppluzhnikov/linker.html

>         g++ -o test -L./ -lxzimage test.o -lstdc++ -O2

The correct command line would be:

         g++ -O2 -o test test.o -L./ -lxzimage 

You should never put libraries before objects (the reason would be
clear once you've read the article cited above), nor should you
ever list -lstdc++ or -lc on the link line (g++ will add necessary
libraries automatically).

Cheers,
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