From e8e0995bd04c4342d0683f235299f7f72c3a940d Mon Sep 17 00:00:00 2001
From: Eelco Dolstra <eelco.dolstra@logicblox.com>
Date: Wed, 13 May 2015 13:53:40 +0200
Subject: [PATCH] Fix inputproto and probably other packages

"grep Requires" failed on *.pc files that had no Requires fields, due
to pipefail. But this error was previously masked by #7524.
---
 pkgs/servers/x11/xorg/builder.sh | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/pkgs/servers/x11/xorg/builder.sh b/pkgs/servers/x11/xorg/builder.sh
index 6ba50d245075..f5b8803a98a3 100644
--- a/pkgs/servers/x11/xorg/builder.sh
+++ b/pkgs/servers/x11/xorg/builder.sh
@@ -9,8 +9,10 @@ postInstall() {
     if test -n "$origPostInstall"; then eval "$origPostInstall"; fi
 
     local r p requires
+    set +o pipefail
     requires=$(grep "Requires:" $out/lib/pkgconfig/*.pc | \
         sed "s/Requires://" | sed "s/,/ /g")
+    set -o pipefail
 
     echo "propagating requisites $requires"