> Am 27.04.20 um 17:31 schrieb Simon Matter via CentOS: >>> On 4/27/20 8:27 AM, Simon Matter via CentOS wrote: >>>> Hi, >>>> >>>> I've read the Fedora modularity docs but am still missing the big >>>> picture >>>> somehow. Hope someone can clarify things for me. >>>> >>>> What I'm most wondering: does modularity have any influence on the RPM >>>> packages at all. I mean, is there anything inside a RPM package which >>>> says >>>> it belongs to a module or it has a special function in a module? >>>> >>>> >From what I understand the RPMs are just completely normal packages >>>> and >>>> only YUM/DNF knows from some metadata that an RPM belongs to a module. >>>> Is >>>> that corrent? >>>> >>> >>> Well .. yes and no. >>> >>> Individual rpm packages have requirements for install .. so if a >>> package >>> is built against python38 , it will require python38 libraries. The >>> individual RPMs though do not have knowledge specifically about Modules >>> though, just the metadata. >> >> Okay, so the rpm has it's usual provides and requires, in this case a >> requirement for python38. >> >> Still, I don't really understand how it can work for a simple example I >> have in mind. Let's say there is this new, shiny Apache httpd version >> 3.0.0 which requires this new and incompatible zlib version 2.0.0. >> >> How can this be built with modules? Dozen of RPMs depend on zlib version >> 1.x.x, how is this situation handled with modules. >> >> Sorry, I just don't really understand. > > > IIRC: A module is just a set of RPM packages that can or must be > installed together. Modules of the same "applications" can not be > installed at the same time (postgresql 10 or 12). Normally a core > library would not be packaged as a module but technically possible. > So, the new thing about "modules" is, that the package manager (dnf) can > handle this bundles like it would be a single package (handled with the > help of metadata). In other words, it does not have a solution for the problem mentioned above? Simon _______________________________________________ CentOS mailing list CentOS@xxxxxxxxxx https://lists.centos.org/mailman/listinfo/centos