gnu: Add coq-mathcomp-bigenough.

* gnu/packages/coq.scm (coq-mathcomp-bigenough): New variable.

Signed-off-by: Julien Lepiller <julien@lepiller.eu>

gnu/packages/coq.scm

@@ -44,6 +44,7 @@
   #:use-module (guix build-system gnu)
   #:use-module (guix build-system ocaml)
   #:use-module (guix download)
+  #:use-module (guix gexp)
   #:use-module (guix git-download)
   #:use-module ((guix licenses) #:prefix license:)
   #:use-module (guix packages)
@@ -730,3 +731,43 @@ contains a generic order and set libary, which will eventually be used to
 subsume notations for finite sets.")
     (home-page "https://math-comp.github.io/")
     (license license:cecill-b)))
+
+(define-public coq-mathcomp-bigenough
+  (package
+    (name "coq-mathcomp-bigenough")
+    (version "1.0.1")
+    (source (origin
+              (method git-fetch)
+              (uri (git-reference
+                    (url "https://github.com/math-comp/bigenough")
+                    (commit version)))
+              (file-name (git-file-name name version))
+              (sha256
+               (base32
+                "02f4dv4rz72liciwxb2k7acwx6lgqz4381mqyq5854p3nbyn06aw"))))
+    (build-system gnu-build-system)
+    (arguments
+     `(;; No references to tests in Makefile.common.
+       ;; It doesn't appear as though tests will be included
+       ;; by the packaged project in the future.
+       #:tests? #f
+       #:make-flags ,#~(list (string-append "COQBIN="
+                                            #$(this-package-input "coq-core")
+                                            "/bin/")
+                             (string-append "COQMF_COQLIB="
+                                            (assoc-ref %outputs "out")
+                                            "/lib/ocaml/site-lib/coq")
+                             (string-append "COQLIBINSTALL="
+                                            (assoc-ref %outputs "out")
+                                            "/lib/coq/user-contrib"))
+       #:phases (modify-phases %standard-phases
+                  (delete 'configure))))
+    (propagated-inputs (list coq coq-core coq-mathcomp which))
+    (home-page "https://math-comp.github.io/")
+    (synopsis "Small library to do epsilon - N reasoning")
+    (description
+     "The package is used for reasoning with big enough objects (mostly
+natural numbers).  This package is essentially for backward compatibility
+purposes as @code{bigenough} will be subsumed by the near tactics.  The
+formalization is based on the Mathematical Components library.")
+    (license license:cecill-b)))