GNU bug report logs - #39592
[PATCH] gnu: Add fbset.

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From: help-debbugs <at> gnu.org (GNU bug Tracking System)
To: Tobias Geerinckx-Rice <me <at> tobias.gr>
Cc: tracker <at> debbugs.gnu.org
Subject: bug#39592: closed ([PATCH] gnu: Add fbset.)
Date: Sat, 15 Feb 2020 21:06:01 +0000

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Your message dated Sat, 15 Feb 2020 22:05:46 +0100
with message-id <8736bb8st1.fsf <at> nckx>
and subject line Re: [bug#39592] [PATCH] gnu: Add fbset.
has caused the debbugs.gnu.org bug report #39592,
regarding [PATCH] gnu: Add fbset.
to be marked as done.

(If you believe you have received this mail in error, please contact
help-debbugs <at> gnu.org.)


-- 
39592: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=39592
GNU Bug Tracking System
Contact help-debbugs <at> gnu.org with problems

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From: Tobias Geerinckx-Rice <me <at> tobias.gr>
To: guix-patches <at> gnu.org
Subject: [PATCH] gnu: Add fbset.
Date: Fri, 14 Feb 2020 00:10:23 +0100

* gnu/packages/linux.scm (fbset): New public variable.
---
 gnu/packages/linux.scm | 56 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 56 insertions(+)

diff --git a/gnu/packages/linux.scm b/gnu/packages/linux.scm
index b098567d24..3072b0f7d9 100644
--- a/gnu/packages/linux.scm
+++ b/gnu/packages/linux.scm
@@ -1275,6 +1275,62 @@ The Discordian calendar was made popular by the \"Illuminatus!\" trilogy
 by Robert Shea and Robert Anton Wilson.")
     (license license:public-domain)))
 
+(define-public fbset
+  (package
+    (name "fbset")
+    (version "2.1")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append "http://users.telenet.be/geertu/Linux/fbdev/fbset-"
+                           version ".tar.gz"))
+       (sha256
+        (base32 "080wnisi0jq7dp0jcwdp83rq8q8s3kw41vc712516xbv4jq4mzs0"))))
+    (build-system gnu-build-system)
+    (arguments
+     '(#:modules ((guix build gnu-build-system)
+                  (guix build utils)
+                  (srfi srfi-26))
+       #:phases
+       (modify-phases %standard-phases
+         (delete 'configure)            ; no configure script
+         (add-before 'install 'pre-install
+           (lambda* (#:key outputs #:allow-other-keys)
+             (let ((out (assoc-ref outputs "out")))
+               (substitute* "Makefile"
+                 (("mknod ") "true ")
+                 ;; The Makefile doesn't honour PREFIX or similar.
+                 (("/usr") out))
+               (mkdir out)
+               (with-directory-excursion out
+                 (for-each mkdir-p (list "sbin"
+                                         "man/man5"
+                                         "man/man8")))
+               #t)))
+         (add-after 'install 'install-fb.modes
+           (lambda* (#:key outputs #:allow-other-keys)
+             (let* ((out (assoc-ref outputs "out"))
+                    (etc (string-append out "/etc")))
+               (for-each (cut install-file <> etc)
+                         (find-files "etc" "^fb\\.modes"))
+               (symlink "fb.modes.ATI"
+                        (string-append etc "/fb.modes"))
+               #t))))
+       ;; Parallel building races to create modes.tab.c.
+       #:parallel-build? #f
+       #:tests? #f))
+    (native-inputs
+     `(("bison" ,bison)
+       ("flex" ,flex)))
+    (home-page "http://users.telenet.be/geertu/Linux/fbdev/")
+    (synopsis "Show and modify Linux frame buffer settings")
+    (description
+     "The kernel Linux's @dfn{frame buffers} provide a simple interface to
+different kinds of graphic displays.  The @command{fbset} utility can query and
+change various device settings such as depth, virtual resolution, and timing
+parameters.")
+    (license license:gpl2)))
+
 (define-public procps
   (package
     (name "procps")
-- 
2.23.0

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From: Tobias Geerinckx-Rice <me <at> tobias.gr>
To: Maxim Cournoyer <maxim.cournoyer <at> gmail.com>
Cc: 39592-done <at> debbugs.gnu.org
Subject: Re: [bug#39592] [PATCH] gnu: Add fbset.
Date: Sat, 15 Feb 2020 22:05:46 +0100

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Maxim,

Maxim Cournoyer 写道：
> Thanks, LGTM.

Pushed as 96636e4910870906efb63f9e8890515c142bd941.

> In my tests, I couldn't get it to resize dynamically my 
> resolution, but
> it might be useful to someone else.

To document my experience: it successfully resized the logical 
viewport, but didn't actually change the resolution of my panel. 
Considering this thing was written in a time of CRTs and before 
KMS, that's not unreasonable & might require some custom EDID 
hackery to do that.

Thanks,

T G-R

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