From de42429040d1754301fe76e5de53deda3e973027 Mon Sep 17 00:00:00 2001
From: Danny Milosavljevic <dannym@scratchpost.org>
Date: Mon, 26 Nov 2018 19:31:15 +0100
Subject: gnu: mono: Fix build with glibc 2.28.

* gnu/packages/mono.scm (mono)[arguments]<#:phases>[fix-includes]: New phase.
---
 gnu/packages/mono.scm | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/gnu/packages/mono.scm b/gnu/packages/mono.scm
index 16c4f71dde..71d7aeac65 100644
--- a/gnu/packages/mono.scm
+++ b/gnu/packages/mono.scm
@@ -56,6 +56,13 @@
            (lambda _ ;;* (#:key inputs #:allow-other-keys)
              ;; all tests under mcs/class fail trying to access $HOME
              (setenv "HOME" "/tmp")))
+         (add-after 'unpack 'fix-includes
+           (lambda _
+             ;; makedev is in <sys/sysmacros.h> now.  Include it.
+             (substitute* "mono/io-layer/processes.c"
+              (("#ifdef HAVE_SYS_MKDEV_H") "#if 1")
+              (("sys/mkdev.h") "sys/sysmacros.h"))
+             #t))
          (add-after 'unpack 'patch-tests
            (lambda _  ;;* (#:key inputs #:allow-other-keys)
              (substitute* "mono/tests/Makefile.in"
-- 
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