From d5f1dce6c8793220a5512557848d887005ae01f2 Mon Sep 17 00:00:00 2001
From: Vincent Laporte <Vincent.Laporte@gmail.com>
Date: Mon, 28 Sep 2020 23:04:32 +0200
Subject: [PATCH] coqPackages.VST: init at 2.6

---
 pkgs/development/coq-modules/VST/default.nix | 43 ++++++++++++++++++++
 pkgs/top-level/coq-packages.nix              |  1 +
 2 files changed, 44 insertions(+)
 create mode 100644 pkgs/development/coq-modules/VST/default.nix

diff --git a/pkgs/development/coq-modules/VST/default.nix b/pkgs/development/coq-modules/VST/default.nix
new file mode 100644
index 00000000000..a625aa54c14
--- /dev/null
+++ b/pkgs/development/coq-modules/VST/default.nix
@@ -0,0 +1,43 @@
+{ stdenv, fetchFromGitHub, coq, compcert }:
+
+stdenv.mkDerivation rec {
+  pname = "coq${coq.coq-version}-VST";
+  version = "2.6";
+
+  src = fetchFromGitHub {
+    owner = "PrincetonUniversity";
+    repo = "VST";
+    rev = "v${version}";
+    sha256 = "00bf9hl4pvmsqa08lzjs1mrxyfgfxq4k6778pnldmc8ichm90jgk";
+  };
+
+  buildInputs = [ coq ];
+  propagatedBuildInputs = [ compcert ];
+
+  preConfigure = "patchShebangs util";
+
+  makeFlags = [
+    "BITSIZE=64"
+    "COMPCERT=inst_dir"
+    "COMPCERT_INST_DIR=${compcert.lib}/lib/coq/${coq.coq-version}/user-contrib/compcert"
+    "INSTALLDIR=$(out)/lib/coq/${coq.coq-version}/user-contrib/VST"
+  ];
+
+  postInstall = ''
+    for d in msl veric floyd sepcomp progs64
+    do
+      cp -r $d $out/lib/coq/${coq.coq-version}/user-contrib/VST/
+    done
+  '';
+
+  enableParallelBuilding = true;
+
+  passthru.compatibleCoqVersions = stdenv.lib.flip builtins.elem [ "8.11" ];
+
+  meta = {
+    description = "Verified Software Toolchain";
+    homepage = "https://vst.cs.princeton.edu/";
+    inherit (compcert.meta) platforms;
+  };
+
+}
diff --git a/pkgs/top-level/coq-packages.nix b/pkgs/top-level/coq-packages.nix
index c6c75cd7ffd..fe6cd81f9ea 100644
--- a/pkgs/top-level/coq-packages.nix
+++ b/pkgs/top-level/coq-packages.nix
@@ -59,6 +59,7 @@ let
       tlc = callPackage ../development/coq-modules/tlc {};
       Velisarios = callPackage ../development/coq-modules/Velisarios {};
       Verdi = callPackage ../development/coq-modules/Verdi {};
+      VST = callPackage ../development/coq-modules/VST {};
 
       filterPackages = filterCoqPackages;
     };