gnu: perl-pgplot: Move to perl-maths.

* gnu/packages/maths.scm (perl-pgplot): Move to...
* gnu/packages/perl-maths.scm (perl-pgplot): ...here.
[native-inputs]: Add perl-pdl.

Change-Id: I58933c0dc54a8b9a5bba71cc8b9831261c9ee326

gnu/packages/maths.scm

@@ -1423,34 +1423,6 @@ in the terminal or with an external viewer.")
 @code{cairo} that provides uniform output to multiple devices.")
     (license license:gpl2+)))
 
-(define-public perl-pgplot
-  (package
-    (name "perl-pgplot")
-    (version "2.35")
-    (source
-     (origin
-       (method git-fetch)
-       (uri (git-reference
-             (url "https://github.com/PDLPorters/perl5-PGPLOT.git")
-             (commit version)))
-       (sha256
-        (base32 "0i9bi52pwbi3qnalm288ihdlwsvn9wwi5rhmspqbna3pfqjhc29c"))))
-    (build-system perl-build-system)
-    (arguments
-     `(#:phases
-       (modify-phases %standard-phases
-        (add-after 'unpack 'setenv
-         (lambda* (#:key inputs #:allow-other-keys)
-           (setenv "PGPLOT_DIR" (string-append (assoc-ref inputs "giza") "/lib")))))))
-    (inputs (list giza libx11))
-    (native-inputs (list perl-devel-checklib perl-extutils-f77 gfortran))
-    (home-page "https://metacpan.org/release/PGPLOT")
-    (synopsis "Scientific plotting library (using giza)")
-    (description "This package provides PGPLOT bindings for Perl.  It uses
-giza instead of PGPLOT for the implementation, though.")
-    ;; Since giza is GPL2+, so is this.
-    (license license:gpl2+)))
-
 (define-public gnuplot
   (package
     (name "gnuplot")

gnu/packages/perl-maths.scm

@@ -242,3 +242,31 @@ Perl Data Language.")
     (description "This package provides modules to do 3D graphics in PDL.")
     (home-page "https://github.com/PDLPorters/")
     (license license:perl-license)))
+
+(define-public perl-pgplot
+  (package
+    (name "perl-pgplot")
+    (version "2.35")
+    (source
+     (origin
+       (method git-fetch)
+       (uri (git-reference
+             (url "https://github.com/PDLPorters/perl5-PGPLOT.git")
+             (commit version)))
+       (sha256
+        (base32 "0i9bi52pwbi3qnalm288ihdlwsvn9wwi5rhmspqbna3pfqjhc29c"))))
+    (build-system perl-build-system)
+    (arguments
+     `(#:phases
+       (modify-phases %standard-phases
+        (add-after 'unpack 'setenv
+         (lambda* (#:key inputs #:allow-other-keys)
+           (setenv "PGPLOT_DIR" (string-append (assoc-ref inputs "giza") "/lib")))))))
+    (inputs (list giza libx11))
+    (native-inputs (list perl-devel-checklib perl-extutils-f77 gfortran perl-pdl))
+    (home-page "https://metacpan.org/release/PGPLOT")
+    (synopsis "Scientific plotting library (using giza)")
+    (description "This package provides PGPLOT bindings for Perl.  It uses
+giza instead of PGPLOT for the implementation, though.")
+    ;; Since giza is GPL2+, so is this.
+    (license license:gpl2+)))