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On Wed, Nov 05, 2003 at 08:00:42AM -0800, Dan Kegel wrote: > David Haworth wrote: > >I think I didn't explain myself very well. I'd like to build a > >gcc that "knows" where its files are by looking at an arbitrary > >(specified at build time) environment variable. I think this is > >what Wind River do in the gcc that is deleivered with Tornado - > >it appears to use WIND_BASE. > > > >The problem is that dirname(argv[0]) doesn't always work on > >Unix - depends how the program is started. > > Can you give me an example of when it fails? argv[0] usually contains what you type at the command line. So if your foo-gcc executable is in your path and the command is "foo-gcc -c hello.c", argv[0] will contain "foo-gcc", so dirname(argv[0]) will return "." according to my man page, which isn't exactly what you want. Dave -- David Haworth 3SOFT GmbH, Frauenweiherstr. 14, 91058 Erlangen david.haworth@3soft.de Tel +49 9131 7701-154 http://www.3soft.de Fax +49 9131 7701-333 PGP Fingerprint: 3B95 445F B68A F72C 14D9 D257 0CB7 2D8A 770D C4BE ------ Want more information? See the CrossGCC FAQ, http://www.objsw.com/CrossGCC/ Want to unsubscribe? Send a note to crossgcc-unsubscribe@sources.redhat.com
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