On 06/09/2015 04:53 PM, Ed Greshko wrote:
I can't seem to get dnf to tell me what package supplies a library.
...
[root@f22k ~]# ll /lib64/libXv.so.1.0.0
-rwxr-xr-x. 1 root root 19664 Aug 17 2014 /lib64/libXv.so.1.0.0
[root@f22k ~]# dnf whatprovides /lib64/libXv.so.1.0.0
That's the correct query for a file, but not a library.
Two things:
First, applications don't link against libXv.so.1.0.0, they link against
libXv.so.1. It is up to the dynamic linker to locate that library
within the search path:
$ ldd /usr/bin/xvinfo | grep libXv
libXv.so.1 => /lib64/libXv.so.1 (0x00000032d3600000)
You'll see the same string in the first column when a library is not
found, so that's the string that you look for.
Second, rpm generates "provides" with pathless library names. In the
example above, "xvinfo" is linked against "libXv.so.1". rpm behaves the
same way. Since the application is linked against "libXv.so.1" that is
the correct string to use when searching for a package that provides it.
$ dnf whatprovides libXv.so.1
libXv-1.0.10-2.fc22.i686 : X.Org X11 libXv runtime library
Repo : @System
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