dev-cpp/glibmm-2.44.0:2::gnome Did not meet >=dev-cpp/glibmm-2.44.2:2[abi_x86_32(-)?,abi_x86_64(-)?,abi_x86_x32(-)?,abi_mips_n32(-)?,abi_mips_n64(-)?,abi_mips_o32(-)?,abi_ppc_32(-)?,abi_ppc_64(-)?,abi_s390_32(-)?,abi_s390_64(-)?], use existing if possible, installing to / from dev-cpp/gtkmm-3.16.0:3.0::installed
Lowered the dep down to 2.44.0 as per configure.ac.