bootstrap: mes: Add mes-0.19.

* gnu/packages/mes.scm (mes-0.19): New variable.
(mes): Inherit it.
* gnu/packages/make-bootstrap.scm (%mes-minimal): Likewise.

gnu/packages/make-bootstrap.scm

@@ -633,45 +633,12 @@ for `sh' in $PATH, and without nscd, and with static NSS modules."
            #t))))
     (inputs `(("mescc-tools" ,%mescc-tools-static)))))
 
-;; (define-public %mes-minimal-stripped
-;;   ;; A minimal Mes without documentation dependencies, for bootstrap.
-;;   (let ((triplet "i686-unknown-linux-gnu"))
-;;     (package
-;;       (inherit mes)
-;;       (name "mes-minimal-stripped")
-;;       (native-inputs
-;;        `(("guile" ,guile-2.2)))
-;;       (arguments
-;;        `(#:system "i686-linux"
-;;          #:strip-binaries? #f
-;;          #:configure-flags '("--mes")
-;;          #:phases
-;;          (modify-phases %standard-phases
-;;            (delete 'patch-shebangs)
-;;            (add-after 'install 'strip-install
-;;              (lambda _
-;;                (let* ((out (assoc-ref %outputs "out"))
-;;                       (share (string-append out "/share")))
-;;                  (delete-file-recursively (string-append out "/lib/guile"))
-;;                  (delete-file-recursively (string-append share "/guile"))
-;;                  (delete-file-recursively (string-append share "/mes/scaffold"))
-
-;;                  (for-each delete-file
-;;                            (find-files
-;;                             (string-append share "/mes/lib") "\\.(h|c)"))
-
-;;                  (for-each (lambda (dir)
-;;                              (for-each remove-store-references
-;;                                        (find-files (string-append out "/" dir)
-;;                                                    ".*")))
-;;                            '("bin" "share/mes")))))))))))
-
 ;; Two packages: first build static, bare minimum content.
 (define-public %mes-minimal
   ;; A minimal Mes without documentation.
   (let ((triplet "i686-unknown-linux-gnu"))
     (package
-      (inherit mes)
+      (inherit mes-0.19)
       (name "mes-minimal")
       (native-inputs
        `(("guile" ,guile-2.2)))

gnu/packages/mes.scm

@@ -38,6 +38,7 @@
   #:use-module (guix utils))
 
 (define-public nyacc-0.86
+  ;; Nyacc used for bootstrap.
   (package
     (name "nyacc")
     (version "0.86.0")
@@ -91,22 +92,23 @@ extensive examples, including parsers for the Javascript and C99 languages.")
     (inputs
      `(("guile" ,guile-2.2)))))
 
-(define-public mes
+(define-public mes-0.19
+  ;; Mes used for bootstrap.
   (package
     (name "mes")
-    (version "0.20")
+    (version "0.19")
     (source (origin
               (method url-fetch)
               (uri (string-append "mirror://gnu/mes/"
                                   "mes-" version ".tar.gz"))
               (sha256
                (base32
-                "04pajp8v31na34ls4730ig5f6miiplhdvkmsb9ls1b8bbmw2vb4n"))))
+                "15h4yhaywdc0djpjlin2jz1kzahpqxfki0r0aav1qm9nxxmnp1l0"))))
     (build-system gnu-build-system)
     (supported-systems '("i686-linux" "x86_64-linux"))
     (propagated-inputs
-     `(("mescc-tools" ,mescc-tools)
+     `(("mescc-tools" ,mescc-tools-0.5.2)
-       ("nyacc" ,nyacc)))
+       ("nyacc" ,nyacc-0.86)))
     (native-inputs
      `(("guile" ,guile-2.2)
        ,@(let ((target-system (or (%current-target-system)
@@ -135,6 +137,21 @@ Guile.")
     (home-page "https://gnu.org/software/mes")
     (license gpl3+)))
 
+(define-public mes
+  (package
+    (inherit mes-0.19)
+    (version "0.20")
+    (source (origin
+              (method url-fetch)
+              (uri (string-append "mirror://gnu/mes/"
+                                  "mes-" version ".tar.gz"))
+              (sha256
+               (base32
+                "04pajp8v31na34ls4730ig5f6miiplhdvkmsb9ls1b8bbmw2vb4n"))))
+    (propagated-inputs
+     `(("mescc-tools" ,mescc-tools)
+       ("nyacc" ,nyacc)))))
+
 (define-public mescc-tools-0.5.2
   ;; Mescc-tools used for bootstrap.
   (let ((commit "bb062b0da7bf2724ca40f9002b121579898d4ef7")