From 0d3cc88776637c378763f5d83031d6e3f4f1b906 Mon Sep 17 00:00:00 2001
From: Jens Petersen <petersen@redhat.com>
Date: Sun, 15 Feb 2015 01:11:15 +0900
Subject: [PATCH] only echo _smp_mflags if it is defined

---
 ghc.spec | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/ghc.spec b/ghc.spec
index ac1fa22..dba5ee0 100644
--- a/ghc.spec
+++ b/ghc.spec
@@ -343,7 +343,9 @@ export LDFLAGS="${LDFLAGS:-%__global_ldflags}"
 
 # avoid "ghc: hGetContents: invalid argument (invalid byte sequence)"
 export LANG=en_US.utf8
+%if %{defined _smp_mflags}
 echo %{?_smp_mflags}
+%endif
 %ifarch %{ix86} x86_64
 %global _smp_mflags -j16
 %endif