Problems for source package gtkmm-documentation

BuildDepends

Package declares a build time dependency on libgtkmm-4.0-dev which cannot be satisfied on mips64el. Package gtkmm-documentation does not exist on mips64el.
Package declares a build time dependency on libgtkmm-4.0-dev which cannot be satisfied on armel. Package gtkmm-documentation does not exist on armel.
Package declares a build time dependency on debhelper-compat (= 13) which cannot be satisfied on armel. Package gtkmm-documentation does not exist on armel.
Package declares a build time dependency on debhelper-compat (= 13) which cannot be satisfied on mips64el. Package gtkmm-documentation does not exist on mips64el.
Package declares a build time dependency on mm-common (>= 0.9.10) which cannot be satisfied on armel. Package gtkmm-documentation does not exist on armel.
Package declares a build time dependency on mm-common (>= 0.9.10) which cannot be satisfied on mips64el. Package gtkmm-documentation does not exist on mips64el.
Package declares a build time dependency on xsltproc which cannot be satisfied on armel. Package gtkmm-documentation does not exist on armel.
Package declares a build time dependency on xsltproc which cannot be satisfied on mips64el. Package gtkmm-documentation does not exist on mips64el.
Package declares a build time dependency on meson which cannot be satisfied on armel. Package gtkmm-documentation does not exist on armel.
Package declares a build time dependency on meson which cannot be satisfied on mips64el. Package gtkmm-documentation does not exist on mips64el.
Package declares a build time dependency on itstool which cannot be satisfied on armel. Package gtkmm-documentation does not exist on armel.
Package declares a build time dependency on itstool which cannot be satisfied on mips64el. Package gtkmm-documentation does not exist on mips64el.
Package declares a build time dependency on docbook-xsl which cannot be satisfied on mips64el. Package gtkmm-documentation does not exist on mips64el.
Package declares a build time dependency on docbook-xsl which cannot be satisfied on armel. Package gtkmm-documentation does not exist on armel.
Package declares a build time dependency on libglibmm-2.68-dev which cannot be satisfied on armel. Package gtkmm-documentation does not exist on armel.
Package declares a build time dependency on libglibmm-2.68-dev which cannot be satisfied on mips64el. Package gtkmm-documentation does not exist on mips64el.
Package declares a build time dependency on libxml2-utils which cannot be satisfied on armel. Package gtkmm-documentation does not exist on armel.
Package declares a build time dependency on libxml2-utils which cannot be satisfied on mips64el. Package gtkmm-documentation does not exist on mips64el.