Hello all, We are undergraduate students.We are trying to configure X server for MPX support as a part of our undergraduate project. We are configuring the X server but while configuring libX11 package error as "No package 'xproto' found " So we configured xproto with following command : sudo ./autogen.sh --prefix=/opt/gfx-test/ and set the path for PKG_CONFIG_PATH and aclocal path as export PKG_CONFIG_PATH="/opt/gfx-test/lib/pkgconfig" export aclocal We checked the directory contents in the /opt/gfx-test/lib/pkgconfig and it is showing the file xproto.pc we also checked the version of xproto by command : pkg-config --modversion xproto so it is showing 7.0.15 But still the xproto error is persisting. <a href="http://www.x.org/wiki/Development/git">http://www.x.org/wiki/Development/git</a> 1) In that script initially all the required packages were cloned into respective folder. 2) After that While doing that we faced a problem while configuring libX11. Initially we configured libX11 as per following procedure: -- Regards, Sneha Runwal Pratik Munot Amey Moghe Mrunal Nargunde