Problems for source package sparsehash

BuildDepends

Package declares a build time dependency on dh-autoreconf which cannot be satisfied on armel. Package sparsehash does not exist on armel.
Package declares a build time dependency on dh-autoreconf which cannot be satisfied on i386. Package sparsehash does not exist on i386.
Package declares a build time dependency on dh-autoreconf which cannot be satisfied on arm64. Package sparsehash does not exist on arm64.
Package declares a build time dependency on dh-autoreconf which cannot be satisfied on riscv64. Package sparsehash does not exist on riscv64.
Package declares a build time dependency on dh-autoreconf which cannot be satisfied on mips64el. Package sparsehash does not exist on mips64el.
Package declares a build time dependency on dh-autoreconf which cannot be satisfied on amd64. Package sparsehash does not exist on amd64.
Package declares a build time dependency on dh-autoreconf which cannot be satisfied on armhf. Package sparsehash does not exist on armhf.
Package declares a build time dependency on dh-autoreconf which cannot be satisfied on s390x. Package sparsehash does not exist on s390x.
Package declares a build time dependency on dh-autoreconf which cannot be satisfied on ppc64el. Package sparsehash does not exist on ppc64el.
Package declares a build time dependency on debhelper (>= 5) which cannot be satisfied on armel. Package sparsehash does not exist on armel.
Package declares a build time dependency on debhelper (>= 5) which cannot be satisfied on i386. Package sparsehash does not exist on i386.
Package declares a build time dependency on debhelper (>= 5) which cannot be satisfied on mips64el. Package sparsehash does not exist on mips64el.
Package declares a build time dependency on debhelper (>= 5) which cannot be satisfied on riscv64. Package sparsehash does not exist on riscv64.
Package declares a build time dependency on debhelper (>= 5) which cannot be satisfied on arm64. Package sparsehash does not exist on arm64.
Package declares a build time dependency on debhelper (>= 5) which cannot be satisfied on armhf. Package sparsehash does not exist on armhf.
Package declares a build time dependency on debhelper (>= 5) which cannot be satisfied on amd64. Package sparsehash does not exist on amd64.
Package declares a build time dependency on debhelper (>= 5) which cannot be satisfied on ppc64el. Package sparsehash does not exist on ppc64el.
Package declares a build time dependency on debhelper (>= 5) which cannot be satisfied on s390x. Package sparsehash does not exist on s390x.