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List:       pear-dev
Subject:    Re: [PEAR-DEV] Re: GD extension warning when installing a package
From:       Firman Wandayandi <orangenigma () gmail ! com>
Date:       2005-02-24 10:51:39
Message-ID: 14ffc2a3050224025130dfe650 () mail ! gmail ! com
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On Thu, 24 Feb 2005 11:40:14 +0100, Laurent Laville
<pear@laurent-laville.org> wrote:
> Hi all,
> 
> After a good night, i've finally  clear ideas, and have a GOOD NEW:
> I FOUND ORIGIN OF MY PROBLEM, and i'll try to explain to avoid
> all PEAR developpers to get again the same problem .
> 
> I've run lot of tests and discovered :
> 
> if your package (to install) has a PHP extension dependency, such as GD
> YOU CANNOT USE the version# compare feature; Why ?
> Have a look on file Dependency.php,v 1.36.4.1 2004/12/27 07:04:19 cellog
> (lines 260-277)
> It's the same for PEAR 1.3.4 and 1.3.5 (i've not investigated for 1.4.0a1)
> And read lines of checkExtension() method. This method is called
> when install a package that has a dependency like :
> 
> for Image_Color 1.0.1
>        <dep type="ext" rel="has">gd</dep>
> 
> for HTML_Progress 1.2.0
>        <dep type="ext" rel="ge" version="2.0.1" optional="yes">GD</dep>
> 
> for Image_Graph 0.2.1, and Image_Tools 0.1
>        <dep type="ext" rel="has" version="2">gd</dep>
> 
> for Image_Graph 0.3.0dev4
>        <dep type="ext" rel="has" optional="no">gd</dep>
> 
> I've a warning message because GD extension does not exists; it's gd
> (TAKE CARE it's case sensitive)
> 
> warning message is created by line 251:
> 'GD' PHP extension is recommended to utilize some features
> 
> When i try with gd in lowercase
>        <dep type="ext" rel="ge" version="2.0.1" optional="yes">gd</dep>
> 
> i get warning message created by lines 272-273
> 'gd' PHP extension version >= 2.0.1 is recommended to utilize some features
> Why ? see Version compare in details made (line 267)
>          if (!version_compare("$ext_ver", "$req", $operator)) {
> 
> between $ext_ver (line 264) current version of ext. gd ($name: arg #2)
>          $ext_ver = phpversion($name);
> 
> and $req (method arg #3)
> ( Greg, there are few typo error on this method phpdoc tags:
>    * missiong out arg#1 $errmsg
>    * mispelling arg#3 $req_ext_ver/$req
>    * forgot (optional) for args #3,4,5)
> )
> 
> It's returns for my config (with windows PHP 4.3.10)
>          $name = 'gd';
>          $ext_ver = phpversion($name);
>          $php_ver = phpversion();
> 
>          var_dump($php_ver);  ==> string(6) "4.3.10"
>          var_dump($ext_ver);  ==> boolean(false)
> 
> probably a PHP bug ?!
> 
> So with dep
>        <dep type="ext" rel="ge" version="2.0.1" optional="yes">gd</dep>
> 
> PEAR will compare extension with versions 2.0.1 and boolean false
> ==> result is false
> 
> TO RESUME:
> 1. do not use version compare feature (rel="ge") with PHP extension
> 2. respect case (lowercase)
> 
> the right line to code is
>        <dep type="ext" rel="has">gd</dep>
> and not :
>        <dep type="ext" rel="ge" version="2.0.1" optional="yes">GD</dep>
> or
>        <dep type="ext" rel="has" version="2">gd</dep>
> 
> BTW in the last case the problem is not seen because,
> checkExtension() method stop to compare (line 258) with a rel="has"
> 
> I hope it will clear the situation, and help all of you to avoid
> such problem in future !
> 
> regards
> Laurent Laville
> 
> Firman Wandayandi a écrit :
> > On Wed, 23 Feb 2005 17:54:06 +0100, Laurent Laville
> > <laurent.laville@worldonline.fr> wrote:
> >
> >>No i've not tried this with PEAR 1.4.0a1 or even 1.3.5
> >>I'm still on PEAR 1.3.4 and i'll stay sometimes again .
> >>
> >>Sorry Greg, i've to stop my tests, i've to go soon .
> >>BTW thanks for all your tips (i've not in minds)
> >>
> >>Laurent
> >>
> >>Greg Beaver a écrit :
> >>
> >>
> >>>Laurent Laville wrote:
> >>>
> >>>
> >>>>I've also try to change my pear.bat (last line as follow)
> >>>>
> >>>>"%PHP_PEAR_PHP_BIN%" -C -c php.ini -d output_buffering=1 -d
> >>>>include_path="%PHP_PEAR_INSTALL_DIR%" -f
> >>>>"%PHP_PEAR_INSTALL_DIR%\pearcmd.php" -- %1 %2 %3 %4 %5 %6 %7 %8 %9
> >>>>
> >>>>Notice the  -c php.ini
> >>>>with locations:
> >>>>pear.bat and php.ini   into  e:\wamp\php4
> >>>>
> >>>>But its stay the same pb, always the warning about GD !
> >>>
> >>>
> >>>
> >>>Have you tried this with PEAR 1.4.0a1?
> >>>
> >>>Greg
> >>>
> >>
> >>--
> >>PEAR Development Mailing List (http://pear.php.net/)
> >>To unsubscribe, visit: http://www.php.net/unsub.php
> >>
> >>
> >
> >
> > Uh, i got some stuff accidentically, if we run php on console, PHP
> > looking for php.ini at the working directory first and the SYSTEMROOT.
> >
> > Seem this problem still not found a solution, what happened with
> > Laurent's PEAR. Why must be GD, i think Laurent should be test another
> > package that depend on another extension (No GD), we clearing this
> > situation, that is a PEAR bug or what?
> >
> > BTW, take care yourself Laurent, happy travelling! Do some test again
> > when you come back.
> >
> 
> 

OK, well done Laurent! I think this problem is clear now.

-- 
:: OrangEnigmA : Never Dreamt Before ::.

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