[Mageia-dev] Utter frustration
alien at rmail.be
Fri Nov 30 22:16:51 CET 2012
Op vrijdag 30 november 2012 12:59:25 schreef Anne Wilson:
> On 30/11/12 12:26, Frank Griffin wrote:
> > On 11/30/2012 07:13 AM, Anne Wilson wrote:
> >> Before doing all that, can you explain the significance of the
> >> suffixes here?
> >> ls /usr/lib/ | grep powerdevil
> >> libpowerdevilconfigcommonprivate.so.4@
> >> libpowerdevilconfigcommonprivate.so.4.10.0*
> >> libpowerdevilcore.so.0@ libpowerdevilcore.so.0.1.0*
> >> libpowerdevilui.so.4@ libpowerdevilui.so.4.10.0*
> > Library naming conventions use several, actual version, e. g.
> > 4.10.0, major version, e. g. 4, and a generic name, e. g.
> > libxxx.so. The last two are usually symlinked to the first.
> > The major version usually signals an ABI difference or some other
> > major difference, e. g. new function, from the previous version.
> > The actual version changes whenever any change is made. Developers
> > use the major version if their code is dependent on that major
> > version, but just use the generic name if any version will do.
> > In this way, the majority of packages using the library just ask
> > for libxxx.so, and don't have to be rebuilt or have their makefiles
> > or spec modified when the library changes. A few packages, which
> > are dependent on a specific version, ask for libxxx.so.N (or
> > higher), and these have to be changed when the major version they
> > require is released. A very very few packages are dependent on the
> > actual version, and these may have to change more often.
> I assume the starred ones are actually in use - what's the
> significance of '@'? I'm not sure I've really understood this.
it's just bash that adds this:
* => executable
@ => symlink
More information about the Mageia-dev