Problems for source package kernel-handbook

BuildDepends

Package declares a build time dependency on xmlto which cannot be satisfied on s390x. Package kernel-handbook does not exist on s390x.
Package declares a build time dependency on xmlto which cannot be satisfied on ppc64el. Package kernel-handbook does not exist on ppc64el.
Package declares a build time dependency on xmlto which cannot be satisfied on armel. Package kernel-handbook does not exist on armel.
Package declares a build time dependency on xmlto which cannot be satisfied on mipsel. Package kernel-handbook does not exist on mipsel.
Package declares a build time dependency on xmlto which cannot be satisfied on mips. Package kernel-handbook does not exist on mips.
Package declares a build time dependency on xmlto which cannot be satisfied on mips64el. Package kernel-handbook does not exist on mips64el.
Package declares a build time dependency on po4a which cannot be satisfied on ppc64el. Package kernel-handbook does not exist on ppc64el.
Package declares a build time dependency on po4a which cannot be satisfied on armel. Package kernel-handbook does not exist on armel.
Package declares a build time dependency on po4a which cannot be satisfied on s390x. Package kernel-handbook does not exist on s390x.
Package declares a build time dependency on po4a which cannot be satisfied on mips. Package kernel-handbook does not exist on mips.
Package declares a build time dependency on po4a which cannot be satisfied on mips64el. Package kernel-handbook does not exist on mips64el.
Package declares a build time dependency on po4a which cannot be satisfied on mipsel. Package kernel-handbook does not exist on mipsel.
Package declares a build time dependency on debhelper (>= 11) which cannot be satisfied on mips. Package kernel-handbook does not exist on mips.
Package declares a build time dependency on debhelper (>= 11) which cannot be satisfied on mips64el. Package kernel-handbook does not exist on mips64el.
Package declares a build time dependency on debhelper (>= 11) which cannot be satisfied on mipsel. Package kernel-handbook does not exist on mipsel.
Package declares a build time dependency on debhelper (>= 11) which cannot be satisfied on ppc64el. Package kernel-handbook does not exist on ppc64el.
Package declares a build time dependency on debhelper (>= 11) which cannot be satisfied on armel. Package kernel-handbook does not exist on armel.
Package declares a build time dependency on debhelper (>= 11) which cannot be satisfied on s390x. Package kernel-handbook does not exist on s390x.