Problems for source package jack-keyboard

BuildDepends

Package declares a build time dependency on libgtk2.0-dev which cannot be satisfied on armel. Package jack-keyboard does not exist on armel.
Package declares a build time dependency on libgtk2.0-dev which cannot be satisfied on mips64el. Package jack-keyboard does not exist on mips64el.
Package declares a build time dependency on libjack-dev which cannot be satisfied on mips64el. Package jack-keyboard does not exist on mips64el.
Package declares a build time dependency on libjack-dev which cannot be satisfied on armel. Package jack-keyboard does not exist on armel.
Package declares a build time dependency on cmake which cannot be satisfied on armel. Package jack-keyboard does not exist on armel.
Package declares a build time dependency on cmake which cannot be satisfied on mips64el. Package jack-keyboard does not exist on mips64el.
Package declares a build time dependency on debhelper-compat (= 12) which cannot be satisfied on mips64el. Package jack-keyboard does not exist on mips64el.
Package declares a build time dependency on debhelper-compat (= 12) which cannot be satisfied on armel. Package jack-keyboard does not exist on armel.

Binary Package: jack-keyboard (Version: 2.7.2-1.1)

Old Libraries

Package has a Depends on libgtk2.0-0t64 (>= 2.24.0) which is in Section oldlibs on riscv64.
Package has a Depends on libgtk2.0-0t64 (>= 2.24.0) which is in Section oldlibs on amd64.
Package has a Depends on libgtk2.0-0t64 (>= 2.24.0) which is in Section oldlibs on armhf.
Package has a Depends on libgtk2.0-0t64 (>= 2.24.0) which is in Section oldlibs on ppc64el.
Package has a Depends on libgtk2.0-0t64 (>= 2.24.0) which is in Section oldlibs on s390x.
Package has a Depends on libgtk2.0-0t64 (>= 2.24.0) which is in Section oldlibs on i386.
Package has a Depends on libgtk2.0-0t64 (>= 2.24.0) which is in Section oldlibs on arm64.