gd for php5 under RH ES4

I am trying to use the php gd library (for imagecreate, etc) with php5
under Red Hat ES4. I tried installing php-gd via webmin (which in turn,
I see, uses up2date), but get the following error in the apache error
log when restarting:
PHP Warning: PHP Startup: Unable to load dynamic library
'/usr/lib/php4/gd.so' - /usr/lib/php4/gd.so: undefined symbol:
empty_string in Unknown on line 0

I don't know if the problem is that php-gd is a php4 library or there is
something else that I need to install or do. I saw something about
php5-gd, but webmin/up2date can't find anything by this name.

I have searched for a bit on this without joy; any guidance is
appreciated. I am not a system administrator by training, but am a
longtime Unix programmer, so I can handle reasonably low level
instructions, if necessary. I did post this to a Red Hat list without
any reply so far.

Thanks in advance,
Doug

On 10/11/2006 10:36 PM, Doug Fulton wrote:
> I am trying to use the php gd library (for imagecreate, etc) with php5
> under Red Hat ES4. I tried installing php-gd via webmin (which in turn,
> I see, uses up2date), but get the following error in the apache error
> log when restarting:
> PHP Warning: PHP Startup: Unable to load dynamic library
> '/usr/lib/php4/gd.so' - /usr/lib/php4/gd.so: undefined symbol:
> empty_string in Unknown on line 0
>
> I don't know if the problem is that php-gd is a php4 library

Yes, gd.so apparently was built using headers from PHP4 or PHP5.0.x, this is the cause of your problem.

> or there is
> something else that I need to install or do. I saw something about
> php5-gd, but webmin/up2date can't find anything by this name.
>
> I have searched for a bit on this without joy; any guidance is
> appreciated. I am not a system administrator by training, but am a
> longtime Unix programmer, so I can handle reasonably low level
> instructions, if necessary. I did post this to a Red Hat list without
> any reply so far.


--
Wbr,
Antony Dovgal

On Wed, October 11, 2006 1:36 pm, Doug Fulton wrote:
> I am trying to use the php gd library (for imagecreate, etc) with php5
> under Red Hat ES4. I tried installing php-gd via webmin (which in
> turn,
> I see, uses up2date), but get the following error in the apache error
> log when restarting:
> PHP Warning: PHP Startup: Unable to load dynamic library
> '/usr/lib/php4/gd.so' - /usr/lib/php4/gd.so: undefined symbol:
> empty_string in Unknown on line 0
>
> I don't know if the problem is that php-gd is a php4 library or there
> is
> something else that I need to install or do. I saw something about
> php5-gd, but webmin/up2date can't find anything by this name.
>
> I have searched for a bit on this without joy; any guidance is
> appreciated. I am not a system administrator by training, but am a
> longtime Unix programmer, so I can handle reasonably low level
> instructions, if necessary. I did post this to a Red Hat list without
> any reply so far.

The way I see it, you have 2 choices:

#1. Convince webmin and/or up2date and/or RedHat to fix their broken
installer dependencies.

#2. Compile the PHP GD extension, and GD itself probably, from source.

Actually, you could dink around some more with up2date to be sure you
have GD itself installed first -- That might be the problem, and would
be trivial to fix.

There are 3 pieces to this puzzle that you must install and also match
up version-wise:
GD
PHP
PHP GD extension

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