Mark Haney wrote: > Alan Evans wrote: >> But what about appbar that also requires libfoo? Unless I'm >> misunderstanding how Gentoo works (which is possible), you don't need >> to redownload appbar because libfoo was updated. You only need to >> recompile appbar after updating libfoo. > > Not exactly. If libfoo gets updated you must rebuild appfoo against the > new libraries. And, unless you have the source tarball cached on the > system (which portage does cache but like cleaning up yum doesn't keep > everything) you will need to download the source again and recompile. > Normally, you only need to recompile if there is a major version in the library. If it is a minor version change, it is supposed to be backward compatible. So if your program was compiled against libfoo-1.2.1, and you upgrade to libfoo-1.2.5, it is supposed to still work. Now a program compiled against libfoo-1.2.5 may not work with libfoo-1.2.1. Mikkel -- Do not meddle in the affairs of dragons, for thou art crunchy and taste good with Ketchup!
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