checking for DRIPROTO... Package xf86driproto was not found in the pkg-config search path. Perhaps you should add the directory containing `xf86driproto.pc' to the PKG_CONFIG_PATH environment variable No package 'xf86driproto' found configure: error: Package requirements (xf86driproto) were not met: Consider adjusting the PKG_CONFIG_PATH environment variable if you installed software in a non-standard prefix. Alternatively, you may set the environment variables DRIPROTO_CFLAGS and DRIPROTO_LIBS to avoid the need to call pkg-config. See the pkg-config man page for more details.