{ callPackage, fetchurl, coq }: if coq.coq-version == "8.4" then callPackage ./generic.nix { name = "coq-ssreflect-1.6-${coq.coq-version}"; src = fetchurl { url = http://ssr.msr-inria.inria.fr/FTP/mathcomp-1.6.tar.gz; sha256 = "0adr556032r1jkvphbpfvrrv041qk0yqb7a1xnbam52ji0mdl2w8"; }; } else if coq.coq-version == "8.5" then callPackage ./generic.nix { name = "coq-ssreflect-1.6-${coq.coq-version}"; src = fetchurl { url = http://ssr.msr-inria.inria.fr/FTP/mathcomp-1.6.tar.gz; sha256 = "0adr556032r1jkvphbpfvrrv041qk0yqb7a1xnbam52ji0mdl2w8"; }; } else if coq.coq-version == "8.6" then callPackage ./generic.nix { name = "coq-ssreflect-1.6.1-${coq.coq-version}"; src = fetchurl { url = https://github.com/math-comp/math-comp/archive/mathcomp-1.6.1.tar.gz; sha256 = "1j9ylggjzrxz1i2hdl2yhsvmvy5z6l4rprwx7604401080p5sgjw"; }; } else throw "No ssreflect package for Coq version ${coq.coq-version}"