From e0139158dbf259e392981cb9b629378a4c78f926 Mon Sep 17 00:00:00 2001
From: Ludovic Courtès <ludo@gnu.org>
Date: Sat, 18 Dec 2021 18:49:06 +0100
Subject: gnu: Add Guile-Plotutils.

* gnu/packages/plotutils.scm (guile-plotutils): New variable.
---
 gnu/packages/plotutils.scm | 48 ++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 48 insertions(+)

(limited to 'gnu/packages/plotutils.scm')

diff --git a/gnu/packages/plotutils.scm b/gnu/packages/plotutils.scm
index 415d7ad2a5..ecee057913 100644
--- a/gnu/packages/plotutils.scm
+++ b/gnu/packages/plotutils.scm
@@ -117,6 +117,54 @@ for 2D vector graphics animations.  The package also contains command-line
 programs for plotting scientific data.")
     (license license:gpl2+)))
 
+(define-public guile-plotutils
+  (package
+    (name "guile-plotutils")
+    (version "1.0.1")
+    (source (origin
+              (method url-fetch)
+              (uri (list (string-append "https://lonelycactus.com/tarball/"
+                                        "guile_plotutils-" version ".tar.gz")
+                         (string-append
+                          "https://github.com/spk121/guile-plotutils/releases/download/v"
+                          version "/guile_plotutils-" version
+                          ".tar.gz")))
+              (sha256
+               (base32
+                "0r245z75cdzgzi57fpz84mnyrjq44793zzaaxxrszyxm1d06hc6r"))))
+    (build-system gnu-build-system)
+    (arguments
+     `(#:imported-modules ((guix build guile-build-system)
+                           ,@%gnu-build-system-modules)
+       #:modules (((guix build guile-build-system)
+                   #:select (target-guile-effective-version))
+                  (guix build gnu-build-system)
+                  (guix build utils))
+       #:phases
+       (modify-phases %standard-phases
+         (add-before 'install 'set-library-file-name
+           (lambda* (#:key outputs #:allow-other-keys)
+             (let ((out (assoc-ref outputs "out"))
+                   (version (target-guile-effective-version)))
+               ;; First install libguile-plotutils.so.
+               (invoke "make" "install-guileextensionLTLIBRARIES")
+
+               ;; Then change source files to refer to it.
+               (substitute* '("module/plotutils/graph.scm"
+                              "module/plotutils/plot.scm")
+                 (("\"libguile-plotutils\"")
+                  (string-append "\"" out "/lib/guile/" version
+                                 "/extensions/libguile-plotutils\"")))))))))
+    (native-inputs (list pkg-config texinfo))
+    (inputs (list plotutils guile-3.0 zlib))
+    (home-page "https://lonelycactus.com/guile-plotutils.html")
+    (synopsis "Guile bindings to the GNU Plotutils plotting libraries")
+    (description
+     "Guile-Plotutils is a Guile binding to the venerable GNU Plotutils
+plotting and graphing library.  If you want to make graphs that look like you
+went to university in the 1990s, this is the library for you.")
+    (license license:gpl3+)))
+
 (define-public guile-charting
   ;; This commit fixes a few things, including Guile 3 support, not available
   ;; in the latest release.
-- 
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