* gnu/packages/patches/libsolv-conda-variant-priorization.patch: New file.
* gnu/local.mk (dist_patch_DATA): Add reference to it.
* gnu/packages/package-management.scm (libsolv): New variable.
[source]: Use patch.
Change-Id: Ie6cb43385b3489804f9a8fd8e1ddf1d2bb50f4cd