Trying to install libnet-devel.x86_64 and libnet-devel.i686 fails with
file /usr/bin/libnet-config conflicts between attempted installs of libnet-devel-1.2-2.fc34.x86_64 and libnet-devel-1.2-2.fc34.i686
The file libnet-config contains for x86_64 the string 'lib64' and for
i686 'lib' which makes the devel packages not installable at the same
time.
Running 'libnet-config --libs' returns '-L/usr/lib64 -lnet' for x86_64
and without '64' for i686. As that is both the default location for
libraries it can be omitted which this patch does.
With this patch applied 'libnet-config --libs' returns just '-lnet'.
Resolves: rhbz#1915836
Signed-off-by: Adrian Reber <adrian@lisas.de>
