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Re: BCC55 and libpq 8.2

From: Bruce Momjian <bruce(at)momjian(dot)us>
To: CN <cnliou9(at)fastmail(dot)fm>
Cc: pgsql-interfaces(at)postgresql(dot)org
Subject: Re: BCC55 and libpq 8.2
Date: 2007-01-15 22:18:20
Message-ID: 200701152218.l0FMIKU00368@momjian.us (view raw or flat)
Thread:
Lists: pgsql-interfacespgsql-patches
CN wrote:
> On Fri, 5 Jan 2007 20:57:00 -0500 (EST), Bruce Momjian <bruce(at)momjian(dot)us>  
> wrote:
> 
> > I have created the following patch based on your description of how to
> > get BCC compiled.  Please let me know how it works against a stock
> > PostgreSQL 8.2.X and I can include the patch in 8.2.2.
> 
> I tried the CVS version just now and noticed that
> 
> (1) I have to do "ln -s libpq.rc.in libpq.rc".

Interesting question.  I looked at the install instructions and there is
no mention of this for MSVC or BCC:

	http://www.postgresql.org/docs/8.2/static/install-win32.html

I looked at the win32.mak file, and see no refererence to libpq.rc.in,
so how is the MSVC working?  Should we add rules for both?

> (2) File blibpqdll.def is missing. I then got one from
> http://src.opensolaris.org/source/xref/sfw/usr/src/cmd/postgres/postgresql-8.1.4/src/interfaces/libpq/blibpqdll.def
> 
> Then it compiles fine and appears to work with _old_ libwine.

Uh, it is supposed to be build by this rule:

	$(srcdir)/blibpqdll.def: exports.txt
	        echo '; DEF file for Borland C++ Builder' > $@
	        echo 'LIBRARY BLIBPQ' >> $@
	        echo 'EXPORTS' >> $@
	        sed -e '/^#/d' -e 's/^\(.* \)\([0-9][0-9]*\)/    _\1@ \2/' < $< >> $@
	        echo '' >> $@
	        echo '; Aliases for MS compatible names' >> $@
	        sed -e '/^#/d' -e 's/^\(.* \)\([0-9][0-9]*\)/    \1= _\1/' < $< | sed 's/ *$$//' >> $@

Is there a reason this failed?

> By the way, I have not received any response to BUG #2827. Hopefully  
> someone will help.

Yes, I saw that.  It is not clear whether this is a libpq problem or a
Wine problem.  We are unsure how to debug this.  I wonder whether it is
a problem with getaddrinfo.  We did fix an addrinfo issue in 8.2.1:

     * Improve handling of getaddrinfo() on AIX (Tom)

I wonder if that fixes it.

-- 
  Bruce Momjian   bruce(at)momjian(dot)us
  EnterpriseDB    http://www.enterprisedb.com

  + If your life is a hard drive, Christ can be your backup. +

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