diff --git a/build.sh b/build.sh
index 3a775262cc97af..5873c9dde1a6b7 100755
--- a/build.sh
+++ b/build.sh
@@ -37,8 +37,8 @@ if [ -z $JAVA_HOME ]; then
     exit 1
 fi
 JAVA=${JAVA_HOME}/bin/java
-JAVA_VER=$(${JAVA} -version 2>&1 | sed 's/.* version "\(.*\)\.\(.*\)\..*"/\1\2/; 1q')
-if [[ $JAVA_VER < 18 ]]; then
+JAVA_VER=$(${JAVA} -version 2>&1 | sed 's/.* version "\(.*\)\.\(.*\)\..*"/\1\2/; 1q' | cut -f1 -d " ")
+if [ $JAVA_VER -lt 18 ]; then
     echo "Require JAVA with JDK version at least 1.8"
     exit 1
 fi
diff --git a/fs_brokers/apache_hdfs_broker/build.sh b/fs_brokers/apache_hdfs_broker/build.sh
index e4da5171429346..732117362f8359 100755
--- a/fs_brokers/apache_hdfs_broker/build.sh
+++ b/fs_brokers/apache_hdfs_broker/build.sh
@@ -25,9 +25,9 @@ if [ -z $JAVA_HOME ]; then
     exit 1
 fi
 JAVA=${JAVA_HOME}/bin/java
-JAVA_VER=$(${JAVA} -version 2>&1 | sed 's/.* version "\(.*\)\.\(.*\)\..*"/\1\2/; 1q')
-if [[ $JAVA_VER < 18 ]]; then
-    echo "Error: java version is too old" $JAVA_VER " need jdk 1.8."
+JAVA_VER=$(${JAVA} -version 2>&1 | sed 's/.* version "\(.*\)\.\(.*\)\..*"/\1\2/; 1q' | cut -f1 -d " ")
+if [ $JAVA_VER -lt 18 ]; then
+    echo "Error: java version is too old" $JAVA_VER" need jdk 1.8."
     exit 1
 fi
 
diff --git a/thirdparty/build-thirdparty.sh b/thirdparty/build-thirdparty.sh
index 03846c0f9d6f48..b2db78ddba8425 100755
--- a/thirdparty/build-thirdparty.sh
+++ b/thirdparty/build-thirdparty.sh
@@ -367,7 +367,7 @@ build_ncurses() {
     check_if_source_exist $NCURSES_SOURCE
     cd $TP_SOURCE_DIR/$NCURSES_SOURCE
     
-    CPPFLAGS="-I${TP_INCLUDE_DIR}" \
+    CPPFLAGS="-I${TP_INCLUDE_DIR} -P" \
     LDFLAGS="-L${TP_LIB_DIR}" \
     CFLAGS="-fPIC" \
     ./configure --prefix=$TP_INSTALL_DIR