gnu: Add thinkfan.

* gnu/packages/linux.scm (thinkfan): New variable.

Signed-off-by: Leo Famulari <leo@famulari.name>

gnu/packages/linux.scm

@@ -11,6 +11,7 @@
 ;;; Copyright © 2016 Alex Kost <alezost@gmail.com>
 ;;; Copyright © 2016 Raymond Nicholson <rain1@openmailbox.org>
 ;;; Copyright © 2016 Mathieu Lirzin <mthl@gnu.org>
+;;; Copyright © 2016 Nicolas Goaziou <mail@nicolasgoaziou.fr>
 ;;;
 ;;; This file is part of GNU Guix.
 ;;;
@@ -63,6 +64,7 @@ (define-module (gnu packages linux)
   #:use-module (gnu packages readline)
   #:use-module (gnu packages calendar)
   #:use-module (gnu packages tls)
+  #:use-module (gnu packages freedesktop)
   #:use-module (guix packages)
   #:use-module (guix download)
   #:use-module (guix utils)
@@ -2591,3 +2593,53 @@ (define-public freefall
 drive that supports the ATA/ATAPI-7 IDLE IMMEDIATE command with unload
 feature, and a laptop with an accelerometer.  It has no effect on SSDs.")
     (license license:gpl2)))
+
+(define-public thinkfan
+  (package
+    (name "thinkfan")
+    (version "0.9.3")
+    (source (origin
+              (method url-fetch)
+              (uri (string-append "mirror://sourceforge/thinkfan/"
+                                  version "/thinkfan-" version ".tar.gz"))
+              (sha256
+               (base32
+                "0nz4c48f0i0dljpk5y33c188dnnwg8gz82s4grfl8l64jr4n675n"))
+              (modules '((guix build utils)))
+              ;; Fix erroneous man page location in Makefile leading to
+              ;; a compilation failure.
+              (snippet
+               '(substitute* "CMakeLists.txt"
+                  (("thinkfan\\.1") "src/thinkfan.1")))))
+    (build-system cmake-build-system)
+    (arguments
+     `(#:modules ((guix build cmake-build-system)
+                  (guix build utils)
+                  (srfi srfi-26))
+       #:tests? #f                      ;no test target
+       #:configure-flags
+       ;; Enable reading temperatures from hard disks via S.M.A.R.T.
+       `("-DUSE_ATASMART:BOOL=ON")
+       #:phases
+       (modify-phases %standard-phases
+         ;; Install scripts for various foreign init systems.
+         (add-after 'install 'install-rc-scripts
+           (lambda* (#:key outputs #:allow-other-keys)
+             (for-each (cute install-file <>
+                             (string-append (assoc-ref outputs "out")
+                                            "/share/thinkfan"))
+                       (find-files (string-append "../thinkfan-" ,version
+                                                  "/rcscripts")
+                                   ".*"))
+             #t)))))
+    (inputs
+     `(("libatasmart" ,libatasmart)))
+    (home-page "http://thinkfan.sourceforge.net/")
+    (synopsis "Simple fan control program")
+    (description
+     "Thinkfan is a simple fan control program.  It reads temperatures,
+checks them against configured limits and switches to appropriate (also
+pre-configured) fan level.  It requires a working @code{thinkpad_acpi} or any
+other @code{hwmon} driver that enables temperature reading and fan control
+from userspace.")
+    (license license:gpl3+)))