From 75b993c2a0f56d9371d8eb64c25ffe561e023e30 Mon Sep 17 00:00:00 2001
From: Sharlatan Hellseher <sharlatanus@gmail.com>
Date: Sat, 13 Feb 2021 14:39:54 +0000
Subject: [PATCH 2/5] gnu: Add erfa

* gnu/packages/astronomy.scm (erfa): New variable.
---
 gnu/packages/astronomy.scm | 25 +++++++++++++++++++++++++
 1 file changed, 25 insertions(+)

diff --git a/gnu/packages/astronomy.scm b/gnu/packages/astronomy.scm
index 1fc035dd60..8d58d64a1c 100644
--- a/gnu/packages/astronomy.scm
+++ b/gnu/packages/astronomy.scm
@@ -111,6 +111,31 @@ in FITS files.")
 reading and writing.")
     (license license:gpl3+)))
 
+(define-public erfa
+  (package
+    (name "erfa")
+    (version "1.7.2")
+    (source
+     (origin
+       (method git-fetch)
+       (uri (git-reference
+             (url "https://github.com/liberfa/erfa")
+             (commit (string-append "v" version))))
+       (sha256
+        (base32 "1vsqwvzlk7r8q7nwyb7i710blcfdl5kwcm2va9km07a820nsp84a"))))
+    (build-system gnu-build-system)
+    (native-inputs
+     `(("pkg-config" ,pkg-config)
+       ("libtool" ,libtool)
+       ("automake" ,automake)
+       ("autoreconf" ,autoconf)))
+    (home-page "https://github.com/liberfa/erfa")
+    (synopsis "Essential Routines for Fundamental Astronomy")
+    (description
+     "ERFA is a C library containing key algorithms for astronomy, and is based
+on the SOFA library published by the International Astronomical Union (IAU).")
+    (license license:bsd-3)))
+
 (define-public eye
   (package
     (name "eye")
-- 
2.30.0