On Wed, Mar 17, 2010 at 05:29:46PM -0500, brick wrote: > When I install NCL on my system. There are many error about X11 appeared. yum whatprovides '*Xlib.h' On my C5 system it includes: libX11-devel-1.0.3-11.el5.i386 : X.Org X11 libX11 development package Repo : c5-local Matched from: Filename : /usr/include/X11/Xlib.h Similarly: libXt-devel-1.0.2-3.1.fc6.i386 : X.Org X11 libXt development package Repo : c5-local Matched from: Filename : /usr/include/X11/Intrinsic.h > Them I install libX11-devel and reinstall xorg-x11-proto-devel. But still > can't find Xlib.h and Intrinsic.h > Does anybody know the reason? Install libX11-devel and libXt-devel -- rgds Stephen