[Typo3-linux] gdlib php fatal error

[jens müller]

now ihave  gdlib_png to 1.:
Fatal error: Call to undefined function: imagettfbbox() in 
/usr/local/toolbox/apache/apache_1.3.28/htdocs/typo3/typo3_src-3.5b5/t3lib/class.t3lib_stdgraphic.php 
on line 604

 
/usr/local/toolbox/apache/apache_1.3.28/htdocs/typo3/typo3_src-3.5b5/t3lib/class.t3lib_stdgraphic.php
> on line 1405

gdlib is installed, imagemagick is installed, php is installed, apache is 
installed, path to convert matched, can read and write gifs, jpg, tiff bmp 
all ok, only the error in gdlib functions

i'm helpless