From feb29ae15e712035c6c0590a401c14098a496e85 Mon Sep 17 00:00:00 2001
From: Maximilian Bosch <maximilian@mbosch.me>
Date: Mon, 20 Jan 2020 16:25:32 +0100
Subject: [PATCH] gcal: fix build w/glibc-2.30

See https://lists.gnu.org/archive/html/bug-gcal/2018-10/msg00000.html
for further reference.
---
 pkgs/applications/misc/gcal/default.nix | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/pkgs/applications/misc/gcal/default.nix b/pkgs/applications/misc/gcal/default.nix
index f5eb6e188b7a..713000d3f69a 100644
--- a/pkgs/applications/misc/gcal/default.nix
+++ b/pkgs/applications/misc/gcal/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, ncurses  }:
+{ stdenv, fetchurl, ncurses, fetchpatch }:
 
 stdenv.mkDerivation rec {
   pname = "gcal";
@@ -9,6 +9,13 @@ stdenv.mkDerivation rec {
     sha256 = "1av11zkfirbixn05hyq4xvilin0ncddfjqzc4zd9pviyp506rdci";
   };
 
+  patches = [
+    (fetchpatch {
+      url = "https://src.fedoraproject.org/rpms/gcal/raw/master/f/gcal-glibc-no-libio.patch";
+      sha256 = "0l4nw9kgzsay32rsdwvs75pbp4fhx6pfm85paynfbd20cdm2n2kv";
+    })
+  ];
+
   enableParallelBuilding = true;
 
   buildInputs = [ ncurses ];