From 9330945623f58dead70abca50223a9565297862f Mon Sep 17 00:00:00 2001
From: Dolu1990 <charles.papon.90@gmail.com>
Date: Fri, 7 Dec 2018 23:50:13 +0100
Subject: [PATCH] fix regression makefile

---
 src/test/cpp/regression/makefile | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/test/cpp/regression/makefile b/src/test/cpp/regression/makefile
index 2e481c4..ba24951 100644
--- a/src/test/cpp/regression/makefile
+++ b/src/test/cpp/regression/makefile
@@ -46,11 +46,11 @@ else
 endif
 
 
-ifneq (grep timerInterrupt ../../../../VexRiscv.v -w),)
+ifneq ($(shell grep timerInterrupt ../../../../VexRiscv.v -w),)
     ADDCFLAGS += -CFLAGS -DTIMER_INTERRUPT
 endif
 
-ifneq (grep externalInterrupt ../../../../VexRiscv.v -w),)
+ifneq ($(shell grep externalInterrupt ../../../../VexRiscv.v -w),)
     ADDCFLAGS += -CFLAGS -DEXTERNAL_INTERRUPT
 endif