From a4850d6ea20e2be75b97467ccbe77e412bc99c9b Mon Sep 17 00:00:00 2001
From: Sergei Trofimovich <slyich@gmail.com>
Date: Sun, 22 May 2022 11:09:34 +0100
Subject: [PATCH] menu-cache: pull patch pending upstream inclusion for
 -fno-common toolchains

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

    ld: menu-compose.o:/build/menu-cache-1.1.0/menu-cache-gen/menu-tags.h:25: multiple definition of
      `menuTag_Menu'; main.o:/build/menu-cache-1.1.0/menu-cache-gen/menu-tags.h:25: first defined here
---
 pkgs/development/libraries/menu-cache/default.nix | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/pkgs/development/libraries/menu-cache/default.nix b/pkgs/development/libraries/menu-cache/default.nix
index 66fadee0b31f..e05d387846a6 100644
--- a/pkgs/development/libraries/menu-cache/default.nix
+++ b/pkgs/development/libraries/menu-cache/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, glib, pkg-config, libfm-extra }:
+{ lib, stdenv, fetchurl, fetchpatch, glib, pkg-config, libfm-extra }:
 
 stdenv.mkDerivation rec {
   pname = "menu-cache";
@@ -9,6 +9,16 @@ stdenv.mkDerivation rec {
     sha256 = "1iry4zlpppww8qai2cw4zid4081hh7fz8nzsp5lqyffbkm2yn0pd";
   };
 
+  patches = [
+    # Pull patch pending upstream inclusion for -fno-common toolchain support:
+    #   https://github.com/lxde/menu-cache/pull/19
+    (fetchpatch {
+      name = "fno-common.patch";
+      url = "https://github.com/lxde/menu-cache/commit/1ce739649b4d66339a03fc0ec9ee7a2f7c141780.patch";
+      sha256 = "08x3h0w2pl8ifj83v9jkf4j3zxcwsyzh251divlhhnwx0rw1pyn7";
+    })
+  ];
+
   nativeBuildInputs = [ pkg-config ];
 
   buildInputs = [ glib libfm-extra ];