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Re: Problematic dependency in plpython Makefile [Windows]

From: Andrew Dunstan <andrew(at)dunslane(dot)net>
To: Noah Misch <noah(at)leadboat(dot)com>
Cc: pgsql-hackers(at)postgresql(dot)org
Subject: Re: Problematic dependency in plpython Makefile [Windows]
Date: 2013-01-03 04:34:36
Message-ID: (view raw, whole thread or download thread mbox)
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.



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