checking for GIO... configure: error: Package requirements ( gio-2.0 >= 2.15.3 ) were not met: Requested 'gio-2.0 >= 2.15.3' but version of GIO is 2.15.0 Consider adjusting the PKG_CONFIG_PATH environment variable if you installed software in a non-standard prefix. Alternatively, you may set the environment variables GIO_CFLAGS and GIO_LIBS to avoid the need to call pkg-config. See the pkg-config man page for more details. make: *** [config.status] Error 1