Makefile: Make TAGS use -package-id and macro flags
Makefile: Make TAGS use -package-id and macro flags

Makes sure that generating TAGS uses the same library versions
as the build itself.

Signed-off-by: Niklas Hambuechen <98215d3a72cb13cc9c9956528e50119ca7d1fb8b@google.com>
Reviewed-by: Klaus Aehlig <4ce51de36d9068cd7db2eec1151e0f3f95419008@google.com>

mbakke/ganeti,mbakke/ganeti,yiannist/ganeti,leshchevds/ganeti,andir/ganeti,mbakke/ganeti,ganeti/ganeti,andir/ganeti,yiannist/ganeti,apyrgio/ganeti,yiannist/ganeti,leshchevds/ganeti,grnet/snf-ganeti,grnet/snf-ganeti,andir/ganeti,onponomarev/ganeti,ganeti/ganeti,leshchevds/ganeti,onponomarev/ganeti,bitemyapp/ganeti,ganeti/ganeti,dimara/ganeti,dimara/ganeti,apyrgio/ganeti,bitemyapp/ganeti