Re: [xml] libxml -> .

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From: Kenneth Pronovici (pronovic@skyjammer.com)
Date: Mon Oct 02 2000 - 21:51:45 EDT

> This can be solved through clever (arcane maybe) use of preprocessor,
> at least I am pretty sure it can be. Note that I am at the moment working
> far too many hours in the day on some other bsd/win32/linux
> cross-platform code.
> [...]
> intricacies of cross-platfrom building, anyone so inclined
> is welcome to provide me with due dose of enlightenment.

Maybe I'm missing something here, but why not just have internal
libxml code include use

   #include "file.h"

but install the include files to

   /include/libxml/file.h

(or wherever) and have libxml client code use

   #include <libxml/file.h>

??

The way I've done this with libraries in the past is to have an include
directory for the library that I just path to during the library build
with a "-I ../include" compiler flag - there's no reason why it has to
match what the clients use, right?

Anyway, it seems like this would simplify things...

KEN 

--
Kenneth J. Pronovici <pronovic@ieee.org>
Alliance of Computer Professionals (http://www.acpros.com/)
Personal Homepage: http://www.skyjammer.com/~pronovic/
Home: 763.546.0140, NWA: 612.726.0842
"Hell hath no fury like the weather when I'm camping..." 

On Mon, 2 Oct 2000, David Doolin wrote:

> 
> In message <20001003011940.L5935@w3.org>, Daniel Veillard writes:
> >
> >On Mon, Oct 02, 2000 at 05:46:40PM -0500, Timothee Besset wrote:
> >> 
> >> Why does the configure script creates a libxml symlink which points to 
> >> the main dir? Are the #include "libxml/*.h" from old code that relied on 
> >> a libxml/ directory? This is causing problems for win32 builds.
> >
> >  This is not a legacy problem it's a current problem
> >Includes have to be made <libxml/xxx.h> though the .h are in the
> >same directory as the .c . To cope with the issue I used a symlink
> >this work on unix, I don't know how you can do this on Windows
> 
> 
> What I did with libxml is simply commented out the stuff that 
> broke too badly to fix fast (or #defined SYM 0 for 1), and 
> moved the headers into their own directory.  This could be 
> done like this: libxml, libxml/src, libxml/include, libxml/bin
> etc.  All this is a matter of taste, I personally like because
> I can snap the entire header directory to $MSDEV\include
> and do #include <libxml/whatever.h>.  Note that the internally
> used headers should be included using quotes. 
> 
> Like I said, some of this is a matter of taste, some of it a matter
> of making cross-platform builds as easy as possible.  It's 
> Daniel's call in the end.
> 
> I should probably add that the current structure of libxml 
> slows me down a bit for building in win32.  Since I am 
> painfully well aware of my profoiund ignorance wrt to the 
> 
> ciao
> 
> 
> 
> >
> >> Also, I used the --disable-iconv option in the configure script, but the 
> >> resulting xmlversion.h didn't reflect my changes. It was still
> >> #if 1
> >> #define LIBXML_ICONV_ENABLED
> >> #else
> >> #define LIBXML_ICONV_DISABLED
> >> #endif
> >
> >configure --help
> >[...]
> >--with-PACKAGE[=ARG]    use PACKAGE [ARG=yes]
> >--without-PACKAGE       do not use PACKAGE (same as --with-PACKAGE=no)
> >[...]
> >--with-iconv            Add the ICONV support (on)
> >
> >When the way to disable them is --without-iconv
> >
> >> What is iconv? Is it an external library?
> >
> >  POSIX libray: codeset conversion facility 
> >    http://www.opengroup.org/onlinepubs/007908799/xsh/iconv.h.html
> >
> >
> >Daniel
> >
> >-- 
> >Daniel.Veillard@w3.org | W3C, INRIA Rhone-Alpes  | Today's Bookmarks :
> >Tel : +33 476 615 257  | 655, avenue de l'Europe | Linux XML libxml WWW
> >Fax : +33 476 615 207  | 38330 Montbonnot FRANCE | Gnome rpm2html rpmfind
> > http://www.w3.org/People/all#veillard%40w3.org  | RPM badminton Kaffe
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