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-rw-r--r--gnu/packages/ocaml.scm55
1 files changed, 55 insertions, 0 deletions
diff --git a/gnu/packages/ocaml.scm b/gnu/packages/ocaml.scm
index 3b1ddcb5b6..603db34dbd 100644
--- a/gnu/packages/ocaml.scm
+++ b/gnu/packages/ocaml.scm
@@ -10,6 +10,7 @@
 ;;; Copyright © 2017 Ben Woodcroft <donttrustben@gmail.com>
 ;;; Copyright © 2017, 2018 Tobias Geerinckx-Rice <me@tobias.gr>
 ;;; Copyright © 2018 Peter Kreye <kreyepr@gmail.com>
+;;; Copyright © 2018 Gabriel Hondet <gabrielhondet@gmail.com>
 ;;;
 ;;; This file is part of GNU Guix.
 ;;;
@@ -4989,3 +4990,57 @@ provides BigN, BigZ, BigQ that used to be part of Coq standard library.")
 simplifying the proofs of inequalities on expressions of real numbers for the
 Coq proof assistant.")
     (license license:cecill-c)))
+
+(define-public dedukti
+  (package
+    (name "dedukti")
+    (version "2.6.0")
+    (home-page "https://deducteam.github.io/")
+    (source
+     (origin
+       (method git-fetch)
+       (uri (git-reference
+             (url "https://github.com/deducteam/dedukti.git")
+             (commit (string-append "v" version))))
+       (file-name (git-file-name name version))
+       (sha256
+        (base32
+         "0frl3diff033i4fmq304b8wbsdnc9mvlhmwd7a3zd699ng2lzbxb"))))
+    (inputs
+     `(("menhir" ,ocaml-menhir)))
+    (native-inputs
+     `(("ocamlbuild" ,ocamlbuild)))
+    (build-system ocaml-build-system)
+    (arguments
+     `(#:phases
+       (modify-phases %standard-phases
+         (delete 'configure)
+         (replace 'build
+           (lambda _
+             (invoke "make")
+	     #t))
+         (replace 'check
+           (lambda _
+             (invoke "make" "tests")
+	     #t))
+         (add-before 'install 'set-binpath
+           ;; Change binary path in the makefile
+           (lambda _
+             (let ((out (assoc-ref %outputs "out")))
+               (substitute* "GNUmakefile"
+                 (("BINDIR = (.*)$")
+                  (string-append "BINDIR = " out "/bin"))))
+	     #t))
+	 (replace 'install
+	   (lambda _
+	     (invoke "make" "install")
+	     #t)))))
+    (synopsis "Proof-checker for the λΠ-calculus modulo theory, an extension of
+the λ-calculus")
+    (description "Dedukti is a proof-checker for the λΠ-calculus modulo
+theory.  The λΠ-calculus is an extension of the simply typed λ-calculus with
+dependent types.  The λΠ-calculus modulo theory is itself an extension of the
+λΠ-calculus where the context contains variable declaration as well as rewrite
+rules.  This system is not designed to develop proofs, but to check proofs
+developed in other systems.  In particular, it enjoys a minimalistic syntax.")
+    (license license:cecill-c)))