bignums: init at various versions

Bignums used to be part of the standard library of Coq.
We provide a version for Coq 8.6, and one for Coq 8.7.

1 files changed, 38 insertions, 0 deletions

diff --git a/pkgs/development/coq-modules/bignums/default.nix b/pkgs/development/coq-modules/bignums/default.nix
new file mode 100644
index 000000000000..5762da66fedd
--- /dev/null
+++ b/pkgs/development/coq-modules/bignums/default.nix
@@ -0,0 +1,38 @@
+{ stdenv, fetchFromGitHub, coq }:
+
+let rev_and_sha = {
+  "8.6" = {
+    rev = "v8.6.0";
+    sha256 = "0553pcsy21cyhmns6k9qggzb67az8kl31d0lwlnz08bsqswigzrj";
+  };
+  "8.7" = {
+    rev = "V8.7.0";
+    sha256 = "11c4sdmpd3l6jjl4v6k213z9fhrmmm1xnly3zmzam1wrrdif4ghl";
+  };
+};
+in
+
+if ! (rev_and_sha ? "${coq.coq-version}") then
+  throw "bignums is not available for Coq ${coq.coq-version}"
+else with rev_and_sha."${coq.coq-version}";
+
+stdenv.mkDerivation rec {
+
+  name = "coq${coq.coq-version}-bignums";
+
+  src = fetchFromGitHub {
+    owner = "coq";
+    repo = "bignums";
+    inherit rev sha256;
+  };
+
+  buildInputs = [ coq.ocaml coq.camlp5 coq.findlib coq ];
+
+  installFlags = "COQLIB=$(out)/lib/coq/${coq.coq-version}/";
+
+  meta = with stdenv.lib; {
+    license = licenses.lgpl2;
+    platforms = coq.meta.platforms;
+  };
+
+}