Build Log: conf-glade.2

Processing: [default: loading data] [WARNING] These additional system packages are required, but not available on your system: libglade2-dev [conf-glade: pkg-config libglade-2.0] + /usr/bin/pkg-config "libglade-2.0" (CWD=/home/opam/.opam/default/.opam-switch/build/conf-glade.2) [ERROR] The compilation of conf-glade.2 failed at "pkg-config libglade-2.0". build failed...