9a3b5d3ad0
Commit 4d57e8381677 added support for getting I/O errors out of zlib, but it introduced a portability problem for systems without zlib. Repair by wrapping the zlib call inside #ifdef and restore the original code in the other branch. This serves to illustrate the inadequacy of the zlib abstraction in pg_backup_archiver: there is no way to call gzerror() in that abstraction. This means that the several places that call GZREAD and GZWRITE are currently doing error reporting wrongly, but ENOTIME to get it fixed before next week's release set. Backpatch to 9.4, like the commit that introduced the problem.
PostgreSQL Database Management System ===================================== This directory contains the source code distribution of the PostgreSQL database management system. PostgreSQL is an advanced object-relational database management system that supports an extended subset of the SQL standard, including transactions, foreign keys, subqueries, triggers, user-defined types and functions. This distribution also contains C language bindings. PostgreSQL has many language interfaces, many of which are listed here: https://www.postgresql.org/download See the file INSTALL for instructions on how to build and install PostgreSQL. That file also lists supported operating systems and hardware platforms and contains information regarding any other software packages that are required to build or run the PostgreSQL system. Copyright and license information can be found in the file COPYRIGHT. A comprehensive documentation set is included in this distribution; it can be read as described in the installation instructions. The latest version of this software may be obtained at https://www.postgresql.org/download/. For more information look at our web site located at https://www.postgresql.org/.