From 631fda7e90c5327cb365b785b221f37a899e8bce Mon Sep 17 00:00:00 2001
From: Ludovic Courtès <ludo@gnu.org>
Date: Thu, 27 Oct 2016 11:18:53 +0200
Subject: gnu: Add mdadm-static.

* gnu/packages/linux.scm (mdadm-static): New variable.
---
 gnu/packages/linux.scm | 29 +++++++++++++++++++++++++++++
 1 file changed, 29 insertions(+)

diff --git a/gnu/packages/linux.scm b/gnu/packages/linux.scm
index c959f62424..3db3a58a02 100644
--- a/gnu/packages/linux.scm
+++ b/gnu/packages/linux.scm
@@ -2374,6 +2374,35 @@ (define-public mdadm
 arrays when needed.")
     (license license:gpl2+)))
 
+(define-public mdadm-static
+  (package
+    (inherit mdadm)
+    (name "mdadm-static")
+    (arguments
+     (substitute-keyword-arguments (package-arguments mdadm)
+       ((#:make-flags flags)
+        `(cons "LDFLAGS = -static" ,flags))
+       ((#:phases phases)
+        `(modify-phases ,phases
+           (add-after 'install 'remove-cruft
+             (lambda* (#:key outputs #:allow-other-keys)
+               (let* ((out         (assoc-ref outputs "out"))
+                      (precious?   (lambda (file)
+                                     (member file '("." ".." "sbin"))))
+                      (directories (scandir out (negate precious?))))
+                 (with-directory-excursion out
+                   (for-each delete-file-recursively directories)
+                   (remove-store-references "sbin/mdadm")
+                   (delete-file "sbin/mdmon")
+                   #t))))))
+       ((#:modules modules %gnu-build-system-modules)
+        `((ice-9 ftw) ,@modules))
+       ((#:strip-flags _ '())
+        ''("--strip-all"))                        ;strip a few extra KiB
+       ((#:allowed-references _ '("out"))
+        '("out"))))                               ;refer only self
+    (synopsis "Statically-linked 'mdadm' command for use in an initrd")))
+
 (define-public libaio
   (package
     (name "libaio")
-- 
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