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7e2b1c03ce
Previously, the port number used in this test script was hard-wired at pg_upgrade's default of 50432; which is not so great because parallel build runs might conflict. Commit 3d53173e20d151341f894f79d556768c845ba3e4 removed this setting for the postmasters started by the script proper (not by pg_upgrade), which didn't do anything to fix that problem and also guaranteed a failure if there was a live postmaster at the build's default port number. Instead, select a non-conflicting temporary port number in the same way that pg_regress.c does. (Its method isn't entirely bulletproof, but given the lack of complaints I'm not going to worry about that today.) In passing, unset MAKEFLAGS and MAKELEVEL to avoid problems with the script's internal invocations of make, for the same reason pg_regress.c does: it could cause problems in a parallel make.
The PostgreSQL contrib tree
---------------------------
This subtree contains porting tools, analysis utilities, and plug-in
features that are not part of the core PostgreSQL system, mainly
because they address a limited audience or are too experimental to be
part of the main source tree. This does not preclude their
usefulness.
User documentation for each module appears in the main SGML
documentation.
When building from the source distribution, these modules are not
built automatically, unless you build the "world" target. You can
also build and install them all by running "gmake all" and "gmake
install" in this directory; or to build and install just one selected
module, do the same in that module's subdirectory.
Some directories supply new user-defined functions, operators, or
types. To make use of one of these modules, after you have installed
the code you need to register the new SQL objects in the database
system by executing a CREATE EXTENSION command. In a fresh database,
you can simply do
CREATE EXTENSION module_name;
See the PostgreSQL documentation for more information about this
procedure.