I don't seem to have the same problem. 7.6.112, "make configure":
| ... | GL.................. yes | GLUT................ yes (libglut) | GTK................. yes | GTK.GlArea.......... yes | GTK.GladeXML........ no (dependencies failed) | ... | Image.FreeType...... yes | Image.GIF........... yes | Image.JPEG.......... yes | ... | Image.TTF........... yes | ...
My Ubuntu got full updated a few days ago...