From bd8013ab33159a41a94f6a6cd023d585c91ae2ed Mon Sep 17 00:00:00 2001
From: Guillaume Le Vaillant <glv@posteo.net>
Date: Fri, 10 Sep 2021 09:35:51 +0200
Subject: [PATCH] gnu: gpredict: Fix building with gcc 10.

* gnu/packages/astronomy.scm (gpredict)[arguments]: Pass '-fcommon' to CFLAGS.
---
 gnu/packages/astronomy.scm | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/gnu/packages/astronomy.scm b/gnu/packages/astronomy.scm
index a3f7d5cbf4..5d6efc5827 100644
--- a/gnu/packages/astronomy.scm
+++ b/gnu/packages/astronomy.scm
@@ -773,7 +773,8 @@ (define-public gpredict
        ("goocanvas" ,goocanvas)
        ("gtk+" ,gtk+)))
     (arguments
-     `(#:phases
+     `(#:configure-flags '("CFLAGS=-fcommon")
+       #:phases
        (modify-phases %standard-phases
          (add-after 'unpack 'fix-tests
            (lambda _