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From "Bert Huijben" <b...@qqmail.nl>
Subject RE: build-outputs.mk and generated headers
Date Mon, 03 Jun 2013 14:10:34 GMT


> -----Original Message-----
> From: Guenter Knauf [mailto:fuankg@apache.org]
> Sent: maandag 3 juni 2013 09:12
> To: Graham Leggett; dev@apr.apache.org List
> Subject: Re: build-outputs.mk and generated headers
> 
> Hi Graham,
> On 31.05.2013 23:34, Graham Leggett wrote:
> > I have been putting together an apr_escape API based on the escaping
> > and unescaping functions in httpd's util.c. So far so good. This code
> > depends on the generation of a file called test_char.h, which is
> > generated at build time by a small bit of code called
> > gen_test_char.c. Httpd handles this bit fine, I need to reproduce
> > this in the APR build.
> I really dont like this; this gen_test_char.c thingy is one of the
> problems we have with cross-compiling, and from my view it is not needed.
> If you look at the source of gen_test_char.c you can see that it usually
> includes the APR/APU headers only for getting some defines which are in
> ctype.h of each and every platform - so if we dont have these defines
> there, or no ctype.h at all for a platform, we simply can not support
> this platform.
> Then gen_test_char.c is kinda matured, and has not received any
> significant updates, so the output of gen_test_char was probably
> identical over the past 10+ years (ok, I've not actually checked the svn
> logs, so I might be wrong). I believe we could just check in the result
> test_char.h into svn, and if we ever have to change it we can
> re-generate it with gen_test_char and update in svn; we do similar with
> the regex headers in httpd which also were a bit problematic because of
> different flex versions, and I think this works fine.
> 
> These are just my thoughts to tis topic - not a veto or such.

+1 this is a problem with cross compiling.

Spend a few hours multiple times to get an x64 build working on a Win32 only
VM.

	Bert 



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