Re: [pgsql-hackers-win32] Proposed dirmod.c fix for Win32

For application to HEAD, pending community review (rationale provided below
in previous message; no responses hopefully indicates agreement :-)

Following application, dirmod.c must be moved to src/backend/port/win32 (ie.
add to src/backend/port/win32, and remove from src/port).

[changes to configure.in are essentially only the removal of
AC_LIBOBJ(dirmod); other changes to configure.in appear in a previous patch
and yet to be applied]

Please note that dirmod.c has recently been changed to work under cygwin,
along side of the existing win32/mingw implementation, however does not
currently appear, afaics, to be included during a cygwin build. This patch
does not address this deficiency.

Cheers,
Claudio

> -----Original Message-----
> From: Claudio Natoli [mailto:claudio(dot)natoli(at)memetrics(dot)com]
> Sent: Thursday, 29 January 2004 8:11 PM
> To: pgsql-hackers(at)postgresql(dot)org
> Cc: 'pgsql-hackers-win32(at)postgresql(dot)org'
> Subject: [pgsql-hackers-win32] Proposed dirmod.c fix for Win32
>
>
>
> The current version of dirmod.c causes a compilation failure
> under MingW:
>
> ../../../src/port/libpgport.a(dirmod.o.b)(.text+0xe1): In function
> `pgrename':
> e:/cygwin/opt/diff8c/pgsql/src/port/dirmod.c:38: undefined
> reference to
> `errstart'
> ../../../src/port/libpgport.a(dirmod.o.b)(.text+0xef):e:/cygwi
> n/opt/diff8c/p
> gsql/src/port/dirmod.c:38: undefined reference to `elog_finish'
>
> and so on.
>
> [dirmod.c provides replacements for unlink + rename under Win32. These
> functions are currently only ever used by the backend code, and by
> pg_resetxlog]
>
> One solution is, obviously, to drop the elog calls...
>
> A somewhat better solution is to move dirmod.c into
> src/backend/port(/win32?), and just compile dirmod.c directly into the
> backend. pg_resetxlog could then use dirmod.c just as it
> currently uses
> pg_crc.c (refer to Makefile in pg_resetxlog directory). One additional
> requirement would be for pg_resetxlog to be considered a
> FRONTEND component.
>
> Does anyone take issue with this (and/or is it advisable to
> add -DFRONTEND
> to pg_resetxlog Makefile; seems ok to me), or have a better
> idea, before I
> go create/submit a patch?
>
> Cheers,
> Claudio

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