1 files changed, 30 insertions, 0 deletions
diff --git a/nixpkgs/pkgs/development/coq-modules/heq/default.nix b/nixpkgs/pkgs/development/coq-modules/heq/default.nix
new file mode 100644
index 000000000000..03149bab58b1
--- /dev/null
+++ b/nixpkgs/pkgs/development/coq-modules/heq/default.nix
@@ -0,0 +1,30 @@
+{stdenv, fetchurl, coq, unzip}:
+
+stdenv.mkDerivation rec {
+
+  name = "coq-heq-${coq.coq-version}-${version}";
+  version = "0.92";
+
+  src = fetchurl {
+    url = "https://www.mpi-sws.org/~gil/Heq/download/Heq-${version}.zip";
+    sha256 = "03y71c4qs6cmy3s2hjs05g7pcgk9sqma6flj15394yyxbvr9is1p";
+  };
+
+  buildInputs = with coq.ocamlPackages; [ ocaml camlp5 unzip ];
+  propagatedBuildInputs = [ coq ];
+
+  preBuild = "cd src";
+
+  installFlags = "COQLIB=$(out)/lib/coq/${coq.coq-version}";
+
+  meta = with stdenv.lib; {
+    homepage = https://www.mpi-sws.org/~gil/Heq/;
+    description = "Heq : a Coq library for Heterogeneous Equality";
+    maintainers = with maintainers; [ jwiegley ];
+    platforms = coq.meta.platforms;
+  };
+
+  passthru = {
+    compatibleCoqVersions = v: !stdenv.lib.versionAtLeast v "8.8";
+  };
+}