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ec136d19b2
When building libpq, ip.c and md5.c were symlinked or copied from src/backend/libpq into src/interfaces/libpq, but now that we have a directory specifically for routines that are shared between the server and client binaries, src/common/, move them there. Some routines in ip.c were only used in the backend. Keep those in src/backend/libpq, but rename to ifaddr.c to avoid confusion with the file that's now in common. Fix the comment in src/common/Makefile to reflect how libpq actually links those files. There are two more files that libpq symlinks directly from src/backend: encnames.c and wchar.c. I don't feel compelled to move those right now, though. Patch by Michael Paquier, with some changes by me. Discussion: <69938195-9c76-8523-0af8-eb718ea5b36e@iki.fi>
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 "make all" and "make
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.