From 781b870c9167cc01c8783471f059b92238b751cb Mon Sep 17 00:00:00 2001
From: Robert Scott <code@humanleg.org.uk>
Date: Sat, 19 Sep 2020 19:21:33 +0100
Subject: [PATCH] xmlbird: fix build with python 3.8

also force use of gccStdenv to fix darwin build
---
 pkgs/tools/misc/birdfont/xmlbird.nix | 6 +++++-
 pkgs/top-level/all-packages.nix      | 2 +-
 2 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/pkgs/tools/misc/birdfont/xmlbird.nix b/pkgs/tools/misc/birdfont/xmlbird.nix
index e5ad56376cac..eddcba1c9c89 100644
--- a/pkgs/tools/misc/birdfont/xmlbird.nix
+++ b/pkgs/tools/misc/birdfont/xmlbird.nix
@@ -13,7 +13,11 @@ stdenv.mkDerivation rec {
 
   buildInputs = [ glib ];
 
-  postPatch = "patchShebangs .";
+  postPatch = ''
+    substituteInPlace configure \
+      --replace 'platform.dist()[0]' '"nix"'
+    patchShebangs .
+  '';
 
   buildPhase = "./build.py";
 
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index f4e846397b5b..f2a608f4dff9 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -2566,7 +2566,7 @@ in
   biblatex-check = callPackage ../tools/typesetting/biblatex-check { };
 
   birdfont = callPackage ../tools/misc/birdfont { };
-  xmlbird = callPackage ../tools/misc/birdfont/xmlbird.nix { };
+  xmlbird = callPackage ../tools/misc/birdfont/xmlbird.nix { stdenv = gccStdenv; };
 
   blastem = callPackage ../misc/emulators/blastem {
     inherit (python27Packages) pillow;