Re: Problematic dependency in plpython Makefile [Windows]

Andrew Dunstan <andrew@dunslane.net>

From: Andrew Dunstan <andrew@dunslane.net>
To: Noah Misch <noah@leadboat.com>
Cc: pgsql-hackers@postgresql.org
Date: 2013-01-03T04:34:36Z
Lists: pgsql-hackers
On 01/02/2013 10:13 PM, Noah Misch wrote:
> On Windows, src/pl/plpython/Makefile has a rule whose target line expands to
> something like "python33.def: C:/Windows/system32/python33.dll".  When doing a
> MinGW build with Cygwin's make-3.81, that line elicits an error:
>
> Makefile:69: *** target pattern contains no `%'.  Stop.
>
> Seeing a second colon, make treats the line as a static pattern rule.  Perhaps
> the MinGW project ships a make patched to avoid this, or perhaps folks
> building PostgreSQL override WINDIR.  In any event, that dependency is not
> useful: we can't build the named file if it's absent, and an error from
> pexports is a good as an error from make.  Let's drop the dependency.
>
> Note that this affects --without-python builds during "make clean".
>
>
>

I suspect under Msys the path seen won't contain a colon - it will be an 
Msys virtualized path like /c/Windows/system32/....

Frankly, this is an unsupported toolchain. The supported toolchains 
under Windows are Msys/Mingw and the Microsoft toolsets.

OTOH, I don't object to dropping a dependency that is truly useless.

cheers

andrew