Support for build of extensions required for upgrade process
The postgresql-devel package contains the header files and libraries needed to compile C or C++ applications which are necessary in upgrade process.
acquired package info from repodata DB: repodata/7ec1f04f90a8501b08446a0c508027bd12d709291099821ea1bc51a8caca1f16-primary.sqlite.bz2
The shared libraries required only for this build of PostgreSQL server
The postgresql-private-libs package provides the shared libraries for this build of PostgreSQL server and plugins build with this version of server. For shared libraries used by client packages that need to connect to a PostgreSQL server, install libpq package instead.
Support for upgrading from the previous major release of PostgreSQL
The postgresql-upgrade package contains the pg_upgrade utility and supporting files needed for upgrading a PostgreSQL database from the previous major version of PostgreSQL.