checking for pkg-config... /usr/bin/pkg-config checking pkg-config is at least version 0.9.0... yes checking for COMPIZ... Package xinerama was not found in the pkg-config search path. Perhaps you should add the directory containing `xinerama.pc' to the PKG_CONFIG_PATH environment variable No package 'xinerama' found configure: error: Package requirements (libpng xcomposite xfixes xdamage xrandr xinerama ice sm libstartup-notification-1.0 >= 0.7) 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 COMPIZ_CFLAGS and COMPIZ_LIBS to avoid the need to call pkg-config. See the pkg-config man page for more details.