You MUST have T1lib version 0.8 or newer. Older versions do
not provide all the functionality required by PHP3's functions
and will never be supported, besides they are already outdated.
If you have version 0.9, you must apply the following patch
to T1libs sources or you will get massive memory leaks.

--- T1-0.9.old/lib/t1lib/t1set.c	Fri Apr 23 17:27:04 1999
+++ T1-0.9/lib/t1lib/t1set.c	Tue Jun  1 03:41:23 1999
@@ -1771,6 +1771,7 @@
 {
   struct region *area=NULL;
   struct region *Interior(struct segment *path, int fillrule);
+  struct edgelist *current, *next;
 
   static GLYPH glyph={NULL,{0,0,0,0,0,0},NULL,1};
   volatile int memsize=0;
@@ -1868,6 +1869,14 @@
     (void) memset(glyph.bits, 0, memsize);
     fill(glyph.bits, h, paddedW, area, T1_byte, T1_bit, T1_wordsize );
   }
+
+  for (current = area->anchor; current; current = next) {
+    next = current->link;
+    if (current->ymin == current->ymax) next == NULL;
+    free(current);
+  }
+  if (area->thresholded) free(area->thresholded);
+  free(area);
 
   /* Check for writing direction and re-compute dimensions appropriately: */
   if (modflag & T1_RIGHT_TO_LEFT){