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31f1f0bb4f
I'd hoped that commit 3b8f6e75f was sufficient to ensure parallel safety even when a build started in a subdirectory requires rebuilding of generated headers. This isn't so, because making submake-generated-headers a prerequisite of "all" isn't enough to ensure it's completed before starting on "all"'s other prerequisites. The explicit dependencies we put on the recursive make targets ensure safe ordering before we recurse into child directories, but they don't protect targets to be made in the current directory. Hence, put back some ordering dependencies in directories that we've traditionally expected to be starting points for "standalone" builds, to wit src/pl/plpython and src/test/regress. (The former needs this in order to minimize the work involved in building for both python 2 and python 3; the latter to support packagings that make the regression tests available for out-of-build-tree execution.) Adjust some other dependencies so that these two cases work correctly even at high -j settings. I'm not terribly happy with this partial solution, but I don't see a way to do better without massive makefile restructuring, which we surely aren't doing at this point in the development cycle. In any case, it's little if any worse than what we had in prior releases. Discussion: https://postgr.es/m/1523353963.8169.26.camel@gunduz.org
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/.