Re: [HACKERS] Bison 2.1 on win32

2007-03-17 Thread Hiroshi Saito

Hi.

I was operating in a tentative way by 2.3.
Still, it is not sufficient. However, it moves.
I will think that I am glad, if it can adjust with Magnus.
http://winpg.jp/~saito/MinGW/bison-2.3_win32_src.tgz

Regards,
Hiroshi Saito

- Original Message - 
From: "Tom Lane" <[EMAIL PROTECTED]>

To: "Magnus Hagander" <[EMAIL PROTECTED]>
Cc: "PGSQL Hackers" 
Sent: Sunday, March 18, 2007 2:06 AM
Subject: Re: [HACKERS] Bison 2.1 on win32 




Magnus Hagander <[EMAIL PROTECTED]> writes:

Do you happen to have a 2.2 around so you can see what happens there? Or
does someone else have that? So I know which version to test against...


2.2 and 2.3 seem to use _MSC_VER in the same way.  I had occasion to
test both last fall, and they generate only trivially different
outputs from our grammar.

regards, tom lane

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Re: [HACKERS] Bison 2.1 on win32

2007-03-17 Thread Tom Lane
Magnus Hagander <[EMAIL PROTECTED]> writes:
> Do you happen to have a 2.2 around so you can see what happens there? Or
> does someone else have that? So I know which version to test against...

2.2 and 2.3 seem to use _MSC_VER in the same way.  I had occasion to
test both last fall, and they generate only trivially different
outputs from our grammar.

regards, tom lane

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Re: [HACKERS] Bison 2.1 on win32

2007-03-17 Thread Magnus Hagander
Tom Lane wrote:
> Magnus Hagander <[EMAIL PROTECTED]> writes:
>> Actually, looking at the GNU ftp site, there isn't even a version 2.2
>> available. There is a 2.1a which should have the fix (based on file
>> dates - they don't use branches or tags in their cvs repository).
> 
> Huh?  At
> http://ftp.gnu.org/gnu/bison/
> I see 2.0, 2.1, 2.2, 2.3, and no 2.1a.

Gah. I clicked the wrong link that was titled "test releases" ;-) I just
found a second ftp link when the first one didn't work. Should've read
more carefully.

Ok. So it looks like 2.2 should be fine as well, as soon as they put out
a new win32 ver... (FYI, the code seems to come from data/c.m4)

/Magnus

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Re: [HACKERS] Bison 2.1 on win32

2007-03-17 Thread Tom Lane
Magnus Hagander <[EMAIL PROTECTED]> writes:
> Actually, looking at the GNU ftp site, there isn't even a version 2.2
> available. There is a 2.1a which should have the fix (based on file
> dates - they don't use branches or tags in their cvs repository).

Huh?  At
http://ftp.gnu.org/gnu/bison/
I see 2.0, 2.1, 2.2, 2.3, and no 2.1a.

regards, tom lane

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Re: [HACKERS] Bison 2.1 on win32

2007-03-17 Thread Magnus Hagander
Magnus Hagander wrote:
> I just tried building with Bison 2.1 on msvc, and it broke. For one
> thing, the .BAT file rejects 2.1 as broken instead of 2.0, which is
> obviously incorrect :-)

Actually, looking at the GNU ftp site, there isn't even a version 2.2
available. There is a 2.1a which should have the fix (based on file
dates - they don't use branches or tags in their cvs repository).

But I'll go ahead and just say it's fixed in 2.3, and patch accordingly.

//Magnus

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Re: [HACKERS] Bison 2.1 on win32

2007-03-17 Thread Magnus Hagander
Tom Lane wrote:
> Magnus Hagander <[EMAIL PROTECTED]> writes:
>> The attached patch seems to fix the build issue. Does it seem
>> acceptable/the right thing to do?
> 
> No, it seems pretty bletcherous.

That's kind of what I thought :-)


>> Another option would be to just reject both 2.0 and 2.1 as broken to
>> build pg with, I guess...
> 
> In bison 2.3 (which is shipping with Fedora Core 6), all the uses of
> __STDC__ seem to also test _MSC_VER:
> 
> #if (defined __STDC__ || defined __C99__FUNC__ \
>  || defined __cplusplus || defined _MSC_VER)
> 
> If this fixes the problem, then I'd vote for just stating you need
> bison >= 2.3 (or 2.2?) to build on MSVC.

It certainly looks like it would fix it. However, the gnuwin32 project
doesn't have 2.3, not even 2.2. But let's add a check and say we need
it, and then we can fix it again once they do release that version if
it's broken still...

Do you happen to have a 2.2 around so you can see what happens there? Or
does someone else have that? So I know which version to test against...

//Magnus

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Re: [HACKERS] Bison 2.1 on win32

2007-03-17 Thread Tom Lane
Magnus Hagander <[EMAIL PROTECTED]> writes:
> The attached patch seems to fix the build issue. Does it seem
> acceptable/the right thing to do?

No, it seems pretty bletcherous.

> Another option would be to just reject both 2.0 and 2.1 as broken to
> build pg with, I guess...

In bison 2.3 (which is shipping with Fedora Core 6), all the uses of
__STDC__ seem to also test _MSC_VER:

#if (defined __STDC__ || defined __C99__FUNC__ \
 || defined __cplusplus || defined _MSC_VER)

If this fixes the problem, then I'd vote for just stating you need
bison >= 2.3 (or 2.2?) to build on MSVC.

regards, tom lane

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Re: [HACKERS] Bison 2.1 on win32

2007-03-17 Thread Andrew Dunstan

Magnus Hagander wrote:

I just tried building with Bison 2.1 on msvc, and it broke. For one
thing, the .BAT file rejects 2.1 as broken instead of 2.0, which is
obviously incorrect :-)

But the generated C file also does not compile causing the error on
http://msdn2.microsoft.com/en-us/library/93az0868.aspx, because msvc
doesn't define __STDC__, which causes Bison to generate code it can't
compile.  Defining __STDC__ globally breaks several other places, since
it affects a lot of include files that aren't necessarily others.

The attached patch seems to fix the build issue. Does it seem
acceptable/the right thing to do?

Another option would be to just reject both 2.0 and 2.1 as broken to
build pg with, I guess...

  


I rolled back to 1.875 to get MSVC builds working. In the longer term, 
though, falling behind upstream is probably not a good idea. Should this 
be reported to the bison people?


For now I could live with either of your solutions.

cheers

andrew

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