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Cc: internals@lists.php.net
Date: Fri, 8 Apr 2005 03:03:46 +0200
To: Justin Hannus <jhannus@128kb.com>
Subject: Re: [PHP-DEV] Re: os x linking issue with extension
From: lastobelus@mac.com (Michael Johnston)

Hi,

The config is:

PHP_ARG_WITH(carbonae, for carbonae support,
[  --with-carbonae             Include Carbon Apple Events support])

if test "$PHP_CARBONAE" != "no"; then
   if test "`(uname) 2>/dev/null`" != "Darwin"; then
     AC_MSG_ERROR([--with-carbonae can only be used on Mac OS X 
systems.])
   fi


   PHP_ADD_FRAMEWORK(Carbon)
   PHP_ADD_FRAMEWORK(CoreFoundation)
   PHP_ADD_FRAMEWORK(CoreServices)
   PHP_ADD_FRAMEWORK(ApplicationServices)
   PHP_NEW_EXTENSION(carbonae, carbonae.c, $ext_shared)
fi

This extension so far just has a simple function that makes a CFString 
to verify that carbon is getting loaded. The extension builds and 
loads, but when calling the function I get a symbol not found error 
from the dynamic linker.

I want to wrap the Apple Event API, as the first part of porting 
appscript 
(http://freespace.virgin.net/hamish.sanderson/appscript.html), which is 
a python module that allows you to script applications as you would 
with applescript. Combined with PHPOSA, php would then become a 
scripting language for os x, that can be used to control applications. 
I am doing this because as a web developer I am quite familiar with php 
as a language, and I am. utterly. sick. of applescript. as a 
"language".  (but I have to use it quite a lot for automating 
QuarkXPress workflow)

Cheers,
Michael Johnston

On 5-Apr-05, at 3:35 AM, Justin Hannus wrote:

> Can you post a link to your config.m4?
>
> PHP_ADD_FRAMEWORK(Framework) should do the trick. Try having a look at 
> the config.m4 for the OpenDirectory extension. It links to the 
> DirectoryService framework. 
> http://pecl.php.net/get/opendirectory-0.2.6.tgz
>
> Curious, what specific part of Carbon are you wrapping. Sounds 
> interesting.
>
> -Justin
>
>
> Michael Johnston wrote:
>> (I'm not sure if extension development belongs on this list, but I 
>> couldn't find a better one. If there is a more appropriate list, 
>> could someone please point me to it?)
>> I am working on an extension that is os x specific & relies on Carbon 
>> & ApplicationServices (it is a port of appscript, to allow writing 
>> applescript applications in php).
>> I used ext_skel to create an extension, and ran phpize. In the 
>> config.m4, I put:
>>   PHP_ADD_FRAMEWORK(Carbon)
>>   PHP_ADD_INCLUDE("/Developer/Headers/FlatCarbon")
>> but when I attempt to use carbon api I get an undefined symbol error 
>> from the dynamic linker.
>> looking at the configure script generated by phpize, it seemed to me 
>> that the PHP_ADD_FRAMEWORK macro is not actually being used to affect 
>> the build. I attempted to change this by manually editing the 
>> configure script to add $PHP_FRAMEWORKS to the arguments passed to 
>> linktool mode=link, and added   PHP_VAR_SUBST="$PHP_FRAMEWORKS". 
>> Using make --debug, I verified that linktool mode=link was now being 
>> called with the -framework param, but I still get the same undefined 
>> symbol error.
>> I don't know much about how the dynamic linker works. What do I need 
>> to do to have extension .so link to carbon?
>> I am using the 5.0.3 release source package of php, os x 10.3.8, gcc 
>> 3.3
>> Michael Johnston
>
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