framac: 18 -> 19 and update why3

pkgs/applications/science/logic/why3/configure.patch

@@ -0,0 +1,11 @@
+diff --git a/configure b/configure
+--- a/configure
++++ b/configure
+@@ -4029,7 +4029,6 @@ fi
+ 
+ if test "$USEOCAMLFIND" = yes; then
+    OCAMLFINDLIB=$(ocamlfind printconf stdlib)
+-   OCAMLFIND=$(which ocamlfind)
+    if test "$OCAMLFINDLIB" != "$OCAMLLIB"; then
+    USEOCAMLFIND=no;
+    echo "but your ocamlfind is not compatible with your ocamlc:"

pkgs/applications/science/logic/why3/default.nix

@@ -1,4 +1,5 @@
-{ fetchurl, stdenv, ocamlPackages, coq }:
+{ callPackage, fetchurl, stdenv
+, ocamlPackages, coqPackages, rubber, hevea, emacs }:
 
 stdenv.mkDerivation rec {
   name    = "why3-${version}";
@@ -9,14 +10,34 @@ stdenv.mkDerivation rec {
     sha256 = "0xz001jhi71ja8vqrjz27v63bidrzj4qvg1yqarq6p4dmpxhk348";
   };
 
-  buildInputs = (with ocamlPackages; [
-      ocaml findlib num lablgtk ocamlgraph zarith menhir ]) ++
-    stdenv.lib.optionals (ocamlPackages.ocaml == coq.ocamlPackages.ocaml ) [
-      coq ocamlPackages.camlp5
-    ];
+  buildInputs = with ocamlPackages; [
+    ocaml findlib ocamlgraph zarith menhir
+    # Compressed Sessions
+    # Emacs compilation of why3.el
+    emacs
+    # Documentation
+    rubber hevea
+    # GUI
+    lablgtk
+    # WebIDE
+    js_of_ocaml js_of_ocaml-ppx
+    # Coq Support
+    coqPackages.coq coqPackages.flocq ocamlPackages.camlp5
+  ];
+
+  propagatedBuildInputs = with ocamlPackages; [ camlzip num ];
+
+  enableParallelBuilding = true;
+
+  # Remove unnecessary call to which
+  patches = [ ./configure.patch ];
+
+  configureFlags = [ "--enable-verbose-make" ];
 
   installTargets = [ "install" "install-lib" ];
 
+  passthru.withProvers = callPackage ./with-provers.nix {};
+
   meta = with stdenv.lib; {
     description = "A platform for deductive program verification";
     homepage    = "http://why3.lri.fr/";

pkgs/applications/science/logic/why3/with-provers.nix

@@ -0,0 +1,30 @@
+{ stdenv, makeWrapper, runCommand, symlinkJoin, why3 }:
+provers:
+let configAwkScript = runCommand "why3-conf.awk" { inherit provers; }
+    ''
+      for p in $provers; do
+        for b in $p/bin/*; do
+          BASENAME=$(basename $b)
+          echo "/^command =/{ gsub(\"$BASENAME\", \"$b\") }" >> $out
+        done
+      done
+      echo '{ print }' >> $out
+    '';
+in stdenv.mkDerivation {
+  name = "${why3.name}-with-provers";
+
+  phases = [ "buildPhase" "installPhase" ];
+
+  buildInputs = [ why3 makeWrapper ] ++ provers;
+
+  buildPhase = ''
+      mkdir -p $out/share/why3/
+      why3 config --detect-provers -C $out/share/why3/why3.conf
+      awk -i inplace -f ${configAwkScript} $out/share/why3/why3.conf
+  '';
+
+  installPhase = ''
+      mkdir -p $out/bin
+      makeWrapper ${why3}/bin/why3 $out/bin/why3 --add-flags "--extra-config $out/share/why3/why3.conf"
+  '';
+}