pengyongchao wrote: >>>I can't find '_XShmPutImage' in /usr/X11R6/lib/libXext.a . What's wrong? >>>> Should I rebuild XFree86 with Shared Memory Extension ? It seems a big work. > I want to know why officially released binaries don't supoort XShm. No, you should not. Cygwin lacks shm support. I suggest you disable XShm, you can replace XShmPutImage with XPutImage. I have some patches for GTK+-2, you can find them in http://cygnome2.sourceforge.net/test-patches/ Hope useful. -- Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple Problem reports: http://cygwin.com/problems.html Documentation: http://cygwin.com/docs.html FAQ: http://cygwin.com/faq/