From ac2d2d8b2745fb54b5ebff833bad9fcb90f798ec Mon Sep 17 00:00:00 2001
From: dwing <dwing4g@gmail.com>
Date: Thu, 10 Jan 2019 13:26:37 +0800
Subject: [PATCH] fix building scripts

---
 make_linux.sh          | 5 ++++-
 make_linux_jemalloc.sh | 5 ++++-
 make_mac.sh            | 3 +++
 3 files changed, 11 insertions(+), 2 deletions(-)
 mode change 100644 => 100755 make_mac.sh

diff --git a/make_linux.sh b/make_linux.sh
index 9ea87e7e17..0eba00e1c5 100755
--- a/make_linux.sh
+++ b/make_linux.sh
@@ -5,7 +5,10 @@ cd `dirname $0`
 # note:
 # 1. if gcc supports c++11 (4.8+), remove "-Dconstexpr= -Doverride="
 
-if [ "$JAVA_HOME" = "" ]; then JAVA_HOME=/usr/java/default; fi
+if [ -z $JAVA_HOME ]; then JAVA_HOME=/usr/java/default; fi
+
+JAVA_VER=`$JAVA_HOME/bin/java -version 2>&1 | awk -F "[ \"]" '/version/{print $4}'`
+if [[ $JAVA_VER < 1.8 ]]; then echo 'ERROR: JDK 1.8 or later is required!'; exit 1; fi
 
 CORE_FILES="\
 db/builder.cc \
diff --git a/make_linux_jemalloc.sh b/make_linux_jemalloc.sh
index 07c8de3f6a..effde1f5d0 100755
--- a/make_linux_jemalloc.sh
+++ b/make_linux_jemalloc.sh
@@ -6,7 +6,10 @@ cd `dirname $0`
 # 1. if gcc supports c++11 (4.8+), remove "-Dconstexpr= -Doverride="
 # 2. configure and make jemalloc, then put the result "lib/libjemalloc.a" and "lib/libjemalloc_pic.a" in this path
 
-if [ "$JAVA_HOME" = "" ]; then JAVA_HOME=/usr/java/default; fi
+if [ -z $JAVA_HOME ]; then JAVA_HOME=/usr/java/default; fi
+
+JAVA_VER=`$JAVA_HOME/bin/java -version 2>&1 | awk -F "[ \"]" '/version/{print $4}'`
+if [[ $JAVA_VER < 1.8 ]]; then echo 'ERROR: JDK 1.8 or later is required!'; exit 1; fi
 
 CORE_FILES="\
 db/builder.cc \
diff --git a/make_mac.sh b/make_mac.sh
old mode 100644
new mode 100755
index ae091861b4..aee0cb72a4
--- a/make_mac.sh
+++ b/make_mac.sh
@@ -2,6 +2,9 @@
 
 cd `dirname $0`
 
+# note:
+# 1. install JDK 8 or later and set $JAVA_INCLUDE if JDK is not in default path
+
 if [ "$JAVA_INCLUDE" = "" ]; then JAVA_INCLUDE=/System/Library/Frameworks/JavaVM.framework/Versions/A/Headers; fi
 
 CORE_FILES="\