checking dynamic linker characteristics... GNU/Linux ld.so checking how to hardcode library paths into programs... immediate appending configuration tag "F77" to libtool checking for void *... yes checking size of void *... 4 checking for pkg-config... /usr/bin/pkg-config checking whether we're compiling from CVS... no checking pkg-config is at least version 0.9.0... yes checking for BASE_DEPENDENCIES... yes checking for SERVER_DEPENDENCIES... configure: error: Package requirements (mono >= 1.2.5 glib-2.0 >= 2.0.0 ) were not met: Requested 'mono >= 1.2.5' but version of Mono is 1.2.4 Consider adjusting the PKG_CONFIG_PATH environment variable if you installed software in a non-standard prefix. Alternatively, you may set the environment variables SERVER_DEPENDENCIES_CFLAGS and SERVER_DEPENDENCIES_LIBS to avoid the need to call pkg-config. See the pkg-config man page for more details.