The existing zlib package is renamed to libzlib, and zlib is turned
into a virtual package. This is done in preparation to the
introduction of zlib-ng as an alternative implementation.
Signed-off-by: Stefan Fröberg <stefan.froberg@petroprogram.com>
[Thomas: define BR2_PACKAGE_PROVIDES_HOST_ZLIB as suggested by Yann
E. Morin.]
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
