gnu: Add scdoc.

* gnu/packages/man.scm (scdoc): New variable.

gnu/packages/man.scm

@@ -5,6 +5,7 @@
 ;;; Copyright © 2015 Alex Kost <alezost@gmail.com>
 ;;; Copyright © 2015, 2016 Efraim Flashner <efraim@flashner.co.il>
 ;;; Copyright © 2017, 2018 Tobias Geerinckx-Rice <me@tobias.gr>
+;;; Copyright © 2018 Rutger Helling <rhelling@mykolab.com>
 ;;;
 ;;; This file is part of GNU Guix.
 ;;;
@@ -228,6 +229,37 @@ (define-public help2man/latest
                (base32
                 "1p5830h88cx0zn0snwaj0vpph81xicpsirfwlxmcgjrlmn0nm3sj"))))))
 
+(define-public scdoc
+  (package
+   (name "scdoc")
+   (version "1.6.0")
+   (source
+    (origin
+     (method url-fetch)
+     (uri (string-append "https://git.sr.ht/%7Esircmpwn/scdoc/archive/" version
+                         ".tar.gz"))
+     (file-name (string-append name "-" version ".tar.gz"))
+     (sha256
+      (base32
+       "1ca3js4arkg28gg2iszxxyrq7kgsrz482d1szv5dfd471h3vr5m3"))))
+   (build-system gnu-build-system)
+   (arguments
+    `(#:make-flags '("CC=gcc")
+      #:phases
+      (modify-phases %standard-phases
+        (delete 'configure)
+        (add-before 'install 'hardcode-paths
+          (lambda* (#:key outputs #:allow-other-keys)
+            (substitute* "Makefile"
+                         (("/usr/local") (assoc-ref outputs "out")))
+            #t)))))
+   (home-page "https://git.sr.ht/~sircmpwn/scdoc")
+   (synopsis "Simple man page generator")
+   (description "scdoc is a simple man page generator written for POSIX systems
+in C99.")
+   ;; MIT license, see /share/doc/scdoc-1.6.0/COPYING.
+   (license expat)))
+
 (define-public txt2man
   (package
     (name "txt2man")