From 48af4a39796e79c73bcbb9a52d049f094bb2b484 Mon Sep 17 00:00:00 2001
From: Mark Allen <mrallen1@yahoo.com>
Date: Fri, 17 Feb 2017 12:05:32 -0600
Subject: Fix string compare, java detection, version string

---
 kerl | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/kerl b/kerl
index 98cefb2..4d391cc 100755
--- a/kerl
+++ b/kerl
@@ -24,7 +24,7 @@
 
 unset ERL_TOP
 
-KERL_VERSION="1.3.4"
+KERL_VERSION="1.4.1"
 
 #Grep fix for mac pcre errors
 GREP_OPTIONS=''
@@ -411,8 +411,10 @@ assert_perl()
 
 get_javac_version()
 {
-    java_loc=$(which javac)
-    if [ -z "$java_loc" ]; then
+    # http://apple.stackexchange.com/a/135079
+    /usr/libexec/java_home >/dev/null 2>&1
+
+    if [ $? -ne 0 ]; then
         # Java's not installed, so just return 0
         0
     else
@@ -589,7 +591,7 @@ _do_build()
     if [ -e "./$KERL_CONFIG_STORAGE_FILENAME.md5" ]; then
         # Compare our current options to the saved ones
         OLD_SUM=$(read -r < "./$KERL_CONFIG_STORAGE_FILENAME.md5")
-        if [ "$SUM" -ne "$OLD_SUM" ]; then
+        if [ "$SUM" != "$OLD_SUM" ]; then
             echo "Configure options have changed. Reconfiguring..."
             rm -f configure
             mv "$TMPOPT" "./$KERL_CONFIG_STORAGE_FILENAME"
-- 
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