checking for LIBXML2... yes checking for GLIB2... yes checking for CSPI_1_0... configure: error: Package requirements (cspi-1.0 >= 1.2.0) were not met: No package 'cspi-1.0' found Consider adjusting the PKG_CONFIG_PATH environment variable if you installed software in a non-standard prefix. Alternatively, you may set the environment variables CSPI_1_0_CFLAGS and CSPI_1_0_LIBS to avoid the need to call pkg-config. See the pkg-config man page for more details.