libpolymake?
      ( dev-lang/perl )

dev-libs/boost:=
dev-libs/gmp:=
dev-libs/libxml2:2=
dev-libs/libxslt:=
dev-libs/mpfr:=
sys-libs/readline:=

bliss?
      ( sci-libs/bliss:=[gmp] )

cdd?
      ( sci-libs/cddlib:= )

flint?
      ( sci-mathematics/flint:= )

lrs?
      ( >=sci-libs/lrslib-051:=[gmp] )

nauty?
      ( sci-mathematics/nauty:= )

normaliz?
      ( >=sci-mathematics/normaliz-3.8:= )

ppl?
      ( dev-libs/ppl:= )

singular?
      ( sci-mathematics/singular:= )

dev-lang/perl
dev-perl/JSON
dev-perl/Term-ReadLine-Gnu
dev-perl/TermReadKey
dev-perl/XML-SAX
dev-perl/XML-Writer

libpolymake?
      ( dev-lang/perl )

dev-libs/boost:=
dev-libs/gmp:=
dev-libs/libxml2:2=
dev-libs/libxslt:=
dev-libs/mpfr:=
sys-libs/readline:=

bliss?
      ( sci-libs/bliss:=[gmp] )

cdd?
      ( sci-libs/cddlib:= )

flint?
      ( sci-mathematics/flint:= )

lrs?
      ( >=sci-libs/lrslib-051:=[gmp] )

nauty?
      ( sci-mathematics/nauty:= )

normaliz?
      ( >=sci-mathematics/normaliz-3.8:= )

ppl?
      ( dev-libs/ppl:= )

singular?
      ( sci-mathematics/singular:= )

dev-lang/perl
dev-perl/JSON
dev-perl/Term-ReadLine-Gnu
dev-perl/TermReadKey
dev-perl/XML-SAX
dev-perl/XML-Writer