On Wed, Jun 30, 2010 at 04:50:00PM +0400, Konstantin Pavlov wrote:
> thresh@snowwhite ~ $ /usr/lib/rpm/pkgconfig.prov ./librtmp.pc
> pkgconfig.prov: ERROR: /home/thresh/librtmp.pc: invalid pkg-config output: librtmp = v2.2f

In "v2.2f", "f" is probably okay, but "v" is bad idea - as you try
to compare v-version against non-v version, a funny thing will happen.