When I try to compile php --with-gd=/usr/local, compile fails...
with gd-1.7.3 it seems to works fine, but I can't use ImageJpeg:
Warning: ImageJpeg: No JPG support in this PHP build 



gd.c: In function `php_if_imagecreatefromstring':                               
gd.c:1092: `gdImageCreateFromGifCtx' undeclared (first use in this function)    
gd.c:1092: (Each undeclared identifier is reported only once                    
gd.c:1092: for each function it appears in.)                                    
gd.c: In function `php_if_imagecreatefromgif':                                  
gd.c:1209: `gdImageCreateFromGif' undeclared (first use in this function)       
gd.c:1209: `gdImageCreateFromGifCtx' undeclared (first use in this function)    
gd.c: In function `php_if_imagegif':                                            
gd.c:1404: `gdImageGif' undeclared (first use in this function)                 
gd.c: In function `_php_image_convert':                                         
gd.c:3361: `gdImageCreateFromGif' used prior to declaration                     
gd.c:3361: warning: assignment makes pointer from integer without a cast        
*** Error code 1                                                                
                                                                                
Stop in /usr/ports/distfiles/php-4.0.6/ext/gd.                                  
*** Error code 1                                                           
...........................