vinagre: pull fix pending upstream inclusiong for -fno-common toolchain support

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

    ld: plugins/vnc/vinagre_vinagre-vinagre-vnc-tab.o:plugins/vnc/vinagre-vnc-connection.h:29:
      multiple definition of `scaling_command_line';
        vinagre/vinagre_vinagre-vinagre-reverse-vnc-listener.o:plugins/vnc/vinagre-vnc-connection.h:29: first defined here

1 files changed, 11 insertions, 1 deletions

diff --git a/pkgs/desktops/gnome/apps/vinagre/default.nix b/pkgs/desktops/gnome/apps/vinagre/default.nix
index 31e198783e04f..9445a5683da9c 100644
--- a/pkgs/desktops/gnome/apps/vinagre/default.nix
+++ b/pkgs/desktops/gnome/apps/vinagre/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, pkg-config, gtk3, gnome, vte, libxml2, gtk-vnc, intltool
+{ lib, stdenv, fetchurl, fetchpatch, pkg-config, gtk3, gnome, vte, libxml2, gtk-vnc, intltool
 , libsecret, itstool, wrapGAppsHook, librsvg }:
 
 stdenv.mkDerivation rec {
@@ -10,6 +10,16 @@ stdenv.mkDerivation rec {
     sha256 = "cd1cdbacca25c8d1debf847455155ee798c3e67a20903df8b228d4ece5505e82";
   };
 
+  patches = [
+    # Pull fix pending upstream inclusion for -fno-common toolchain support:
+    #   https://gitlab.gnome.org/GNOME/vinagre/-/merge_requests/8
+    (fetchpatch {
+      name = "fno-common.patch";
+      url = "https://gitlab.gnome.org/GNOME/vinagre/-/commit/c51662cf4338516773d64776c3c92796917ff2bd.diff";
+      sha256 = "0zn8cd93hjdz6rw2d7gfl1ghzkc9h0x40k9l0jx3n5qfwdq4sir8";
+    })
+  ];
+
   nativeBuildInputs = [ pkg-config intltool itstool wrapGAppsHook ];
   buildInputs = [
     gtk3 vte libxml2 gtk-vnc libsecret gnome.adwaita-icon-theme librsvg