From 8b7b76a61258cda2407cbf32f3e6b0ade6b9482d Mon Sep 17 00:00:00 2001
From: Sergei Trofimovich <slyich@gmail.com>
Date: Sun, 5 Jun 2022 19:42:55 +0100
Subject: [PATCH] geda: pull upstream fixes for -fno-common toolchains

Without the change builda fails on upstream gcc-10 as:

    ld: gattrib/src/../include/globals.h:97:
      multiple definition of `window'; gattrib/src/../include/globals.h:97: first defined here
---
 .../science/electronics/geda/default.nix         | 16 +++++++++++++++-
 1 file changed, 15 insertions(+), 1 deletion(-)

diff --git a/pkgs/applications/science/electronics/geda/default.nix b/pkgs/applications/science/electronics/geda/default.nix
index cf98e6963e1f..6b77f75b11bb 100644
--- a/pkgs/applications/science/electronics/geda/default.nix
+++ b/pkgs/applications/science/electronics/geda/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, pkg-config, guile, gtk2, flex, gawk, perl }:
+{ lib, stdenv, fetchurl, fetchpatch, pkg-config, guile, gtk2, flex, gawk, perl }:
 
 stdenv.mkDerivation {
   pname = "geda";
@@ -9,6 +9,20 @@ stdenv.mkDerivation {
     sha256 = "08dpa506xk4gjbbi8vnxcb640wq4ihlgmhzlssl52nhvxwx7gx5v";
   };
 
+  patches = [
+    # Pull upstream patch for -fno-common toolchains
+    (fetchpatch {
+      name = "fno-common-p1.patch";
+      url = "http://git.geda-project.org/geda-gaf/patch/?id=cb6bac898fe43c5a59b577123ba8698ec04deef6";
+      sha256 = "0njlh20qjrlqf5m8p92vmkl0jsm747f4mbqwvldnf8nd2j608nkq";
+    })
+    (fetchpatch {
+      name = "fno-common-p2.patch";
+      url = "http://git.geda-project.org/geda-gaf/patch/?id=7b9d523a3558290b4487c3ff9a4a5b43e8941158";
+      sha256 = "1z9gzz5ngsbq6c9dw2dfz7kpsq97zhs1ma9saxm7hiybwadbj18k";
+    })
+  ];
+
   configureFlags = [
     "--disable-update-xdg-database"
   ];