bug#26622: [PATCH] Add freexl

[Catonano <catonano@gmail.com>]

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Another xls files reading library.

The home page of Freexl says

FreeXL is licensed under the MPL tri-license terms; you are free to choose
the best-fit license between:

the MPL 1.1
the GPL v2.0 or any subsequent version
the LGPL v2.1 or any subsequent version

I'm not sure what this means for Guix

Thanks

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From d5f10229fb928f63404c6097c60e09f2c2a5b1bb Mon Sep 17 00:00:00 2001
From: humanitiesNerd <catonano@gmail.com>
Date: Sun, 23 Apr 2017 18:24:39 +0200
Subject: [PATCH 1/1] gnu: Add freexl

* gnu/packages/xml.scm (freexl): New variable.
---
 gnu/packages/xml.scm | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/gnu/packages/xml.scm b/gnu/packages/xml.scm
index 7460b5d85..02ae00514 100644
--- a/gnu/packages/xml.scm
+++ b/gnu/packages/xml.scm
@@ -1122,3 +1122,23 @@ files.  It is designed to be fast and to handle large input files.")
      "libxls is a C library which can read Excel (xls) files since Excel 97 (the BIFF8 format).
 libxls cannot write Excel files.")
     (license license:bsd-2)))
+
+(define-public freexl
+  (package
+    (name "freexl")
+    (version "1.0.2")
+    (source (origin
+              (method url-fetch)
+              (uri (string-append "http://www.gaia-gis.it/gaia-sins/"
+                                  name  "-"
+                                  version ".tar.gz"))
+              (sha256
+               (base32
+                "17a0yrjb0gln7819j0vp7y25imhvwpil2b0rm44mwgzml0a4i6mk"))))
+    (build-system gnu-build-system)
+    (home-page "https://www.gaia-gis.it/fossil/freexl/index")
+    (synopsis "Read Excel files")
+    (description
+     "FreeXL is an open source library to extract valid data
+from within an Excel (.xls) spreadsheet.")
+    (license license:gpl2+)))
-- 
2.12.0