From a5f16b63ef26ff2ae8b06e76ab564f1e146cfee4 Mon Sep 17 00:00:00 2001
From: Taylor R Campbell <campbell@mumble.net>
Date: Mon, 30 Sep 2013 18:43:29 +0000
Subject: [PATCH] Linux defines NGREG in <sys/ucontext.h>, which <signal.h> may
 not get.

---
 src/microcode/uxtrap.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/microcode/uxtrap.h b/src/microcode/uxtrap.h
index d2e5c00d0..8e8f53ac5 100644
--- a/src/microcode/uxtrap.h
+++ b/src/microcode/uxtrap.h
@@ -530,6 +530,8 @@ struct full_sigcontext
 
 #ifdef __linux__
 
+#  include <sys/ucontext.h>
+
 /* This isn't really the right test: what we really want to know is if
    the kernel supports the newer signal-delivery mechanism.  */
 
-- 
2.25.1