From 9af99602fec6c55fe3fd18df992349f8a9a3ebb9 Mon Sep 17 00:00:00 2001
From: Adel Ejjeh <aejjeh@tyler.cs.illinois.edu>
Date: Fri, 24 Jan 2020 18:09:42 -0600
Subject: [PATCH] modified user input in llvm installer script

---
 hpvm/llvm_installer/llvm_installer.sh | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/hpvm/llvm_installer/llvm_installer.sh b/hpvm/llvm_installer/llvm_installer.sh
index 29d629c3f6..a972fb62ad 100755
--- a/hpvm/llvm_installer/llvm_installer.sh
+++ b/hpvm/llvm_installer/llvm_installer.sh
@@ -21,10 +21,15 @@ LIBCXXABI_SRC="libcxxabi-$VERSION.src"
 
 AUTOMATE="y"
 
-read -n 1 -p "Build and install HPVM automatically? (y or n): " AUTOMATE   
+read -p "Build and install HPVM automatically? (y or n): " AUTOMATE   
+
+if [ ! $AUTOMATE == "y" ] && [ ! $AUTOMATE == "n" ]; then 
+  echo invalid input!
+  exit -1
+fi
 
 echo
-read  -n 2 -p "Number of threads: " NUM_THREADS
+read -p "Number of threads: " NUM_THREADS
 
 if [ ! $NUM_THREADS -gt 0 ]; then
   NUM_THREADS = 2
-- 
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