diff --git a/libnd4j/pi_build.sh b/libnd4j/pi_build.sh
index 712609447..6f7d9965b 100755
--- a/libnd4j/pi_build.sh
+++ b/libnd4j/pi_build.sh
@@ -1,320 +1,320 @@
-#!/bin/sh
-#
-# /* ******************************************************************************
-#  *
-#  *
-#  * This program and the accompanying materials are made available under the
-#  * terms of the Apache License, Version 2.0 which is available at
-#  * https://www.apache.org/licenses/LICENSE-2.0.
-#  *
-#  *  See the NOTICE file distributed with this work for additional
-#  *  information regarding copyright ownership.
-#  * Unless required by applicable law or agreed to in writing, software
-#  * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
-#  * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
-#  * License for the specific language governing permissions and limitations
-#  * under the License.
-#  *
-#  * SPDX-License-Identifier: Apache-2.0
-#  ******************************************************************************/
-#
-
-function message {
-	echo "BUILDER:::: ${@}"
-}
-
-BUILD_USING_MAVEN=
-CURRENT_TARGET=arm32
-HAS_ARMCOMPUTE=1
-ARMCOMPUTE_DEBUG=0
-ARMCOMPUTE_TAG=v20.05
-LIBND4J_BUILD_MODE=Release
-export ANDROID_VERSION=21
-OTHER_ARGS=()
-while [[ $# -gt 0 ]]
-do
-key="$1"
-
-case $key in
-    -a|--arch)
-    CURRENT_TARGET="$2"
-    shift
-    shift
-    ;;
-    -m|--mvn)
-    BUILD_USING_MAVEN="mvn"
-    shift
-    ;;
-    *)
-    OTHER_ARGS+=("$1")
-    shift
-    ;;
-esac
-done
-
-CC_URL32="https://developer.arm.com/-/media/Files/downloads/gnu-a/8.3-2019.03/binrel/gcc-arm-8.3-2019.03-x86_64-arm-linux-gnueabihf.tar.xz?revision=e09a1c45-0ed3-4a8e-b06b-db3978fd8d56&la=en&hash=93ED4444B8B3A812B893373B490B90BBB28FD2E3"
-CC_URL64="https://developer.arm.com/-/media/Files/downloads/gnu-a/8.3-2019.03/binrel/gcc-arm-8.3-2019.03-x86_64-aarch64-linux-gnu.tar.xz?revision=2e88a73f-d233-4f96-b1f4-d8b36e9bb0b9&la=en&hash=167687FADA00B73D20EED2A67D0939A197504ACD"
-CC_ANDROID="https://dl.google.com/android/repository/android-ndk-r21d-linux-x86_64.zip"
-TARGET_ARRS=( arm32 arm64 android-arm android-arm64 )
-COMPILER_ARRS=( "${CC_URL32}" "${CC_URL64}" "${CC_ANDROID}" "${CC_ANDROID}" )
-COMPILER_DOWNLOAD_CMD_LIST=( download_extract_xz download_extract_xz download_extract_unzip download_extract_unzip )
-COMPILER_DESTDIR=( "arm32" "arm64" "android" "android" )
-
-OPENBLAS_TARGETS=( ARMV7 ARMV8 ARMV7 ARMV8)
-ARMCOMPUTE_TARGETS=( armv7a arm64-v8a armv7a arm64-v8a)
-OS_LIST=( linux linux android android)
-LIBND4J_PLATFORM_EXT_LIST=( armhf arm64 arm arm64 )
-PREFIXES=( arm-linux-gnueabihf aarch64-linux-gnu arm-linux-androideabi aarch64-linux-android )
-TARGET_INDEX=-1
-
-for i in "${!TARGET_ARRS[@]}"; do
-   if [[ "${TARGET_ARRS[$i]}" = "${CURRENT_TARGET}" ]]; then
-       TARGET_INDEX=${i}
-   fi
-done
-
-if [ ${TARGET_INDEX} -eq -1 ];then
-	message "could not find  ${CURRENT_TARGET} in ${TARGET_ARRS[@]}"
-	exit -1
-fi
-
-#BASE_DIR=${HOME}/pi
-#https://stackoverflow.com/questions/59895/how-to-get-the-source-directory-of-a-bash-script-from-within-the-script-itself
-SOURCE="${BASH_SOURCE[0]}"
-while [ -h "$SOURCE" ]; do # resolve $SOURCE until the file is no longer a symlink
-  DIR="$( cd -P "$( dirname "$SOURCE" )" >/dev/null 2>&1 && pwd )"
-  SOURCE="$(readlink "$SOURCE")"
-  [[ $SOURCE != /* ]] && SOURCE="$DIR/$SOURCE" # if $SOURCE was a relative symlink, we need to resolve it relative to the path where the symlink file was located
-done
-BASE_DIR="$( cd -P "$( dirname "$SOURCE" )" >/dev/null 2>&1 && pwd )"
-
-CROSS_COMPILER_URL=${COMPILER_ARRS[$TARGET_INDEX]}
-CROSS_COMPILER_DIR=${BASE_DIR}/compile_tools/cross_compiler_${COMPILER_DESTDIR[$TARGET_INDEX]}
-COMPILER_DOWNLOAD_CMD=${COMPILER_DOWNLOAD_CMD_LIST[$TARGET_INDEX]}
-DETECT=${DETECT_LIST[$TARGET_INDEX]}
-LIBND4J_PLATFORM_EXT=${LIBND4J_PLATFORM_EXT_LIST[$TARGET_INDEX]}
-BLAS_TARGET_NAME=${OPENBLAS_TARGETS[$TARGET_INDEX]}
-ARMCOMPUTE_TARGET=${ARMCOMPUTE_TARGETS[$TARGET_INDEX]}
-TARGET_OS=${OS_LIST[$TARGET_INDEX]}
-LIBND4J_PLATFORM=${TARGET_OS}-${LIBND4J_PLATFORM_EXT}
-PREFIX=${PREFIXES[$TARGET_INDEX]}
-
-CMAKE=cmake #/snap/bin/cmake
-mkdir -p ${BASE_DIR}/compile_tools/
-
-SCONS_LOCAL_URL=http://prdownloads.sourceforge.net/scons/scons-local-3.1.1.tar.gz
-SCONS_LOCAL_DIR=${BASE_DIR}/compile_tools/scons_local
-
-THIRD_PARTY=${BASE_DIR}/third_party_libs${TARGET_INDEX}
-
-ARMCOMPUTE_GIT_URL=https://github.com/ARM-software/ComputeLibrary.git
-ARMCOMPUTE_DIR=${THIRD_PARTY}/arm_compute_dir
-
-OPENBLAS_GIT_URL="https://github.com/xianyi/OpenBLAS.git"
-OPENBLAS_DIR=${THIRD_PARTY}/OpenBLAS
-
-
-mkdir -p ${BASE_DIR}
-mkdir -p ${THIRD_PARTY}
-
-#change directory to base
-cd $BASE_DIR
-
-function check_requirements {
-	for i in "${@}"
-	do
-      if [ ! -e "$i" ]; then
-         message "missing: ${i}"
-		 exit -2
-	  fi
-	done
-}
-
-function rename_top_folder {
-	for dir in ${1}/*
-	do
-		if [ -d "$dir" ]
-		then
-		    mv "${dir}" "${1}/folder/"
-			message "${dir} => ${1}/folder/"
-			break
-		fi
-	done
-}
-
-function download_extract_base {
-	#$1 is url #2 is dir $3 is extract argument
-	if [ ! -f ${3}_file ]; then
-		message "download"
-		wget --quiet --show-progress -O ${3}_file ${2}
-	fi
-
-	message "extract $@"
-    #extract
-	mkdir -p ${3}
-	if [ ${1} = "-unzip" ]; then
-		command="unzip -qq ${3}_file -d ${3} "
-	else
-		command="tar ${1}  ${3}_file --directory=${3} "
-	fi
-	message $command
-	$command
-	check_requirements "${3}"
-}
-
-function download_extract {
-	download_extract_base -xzf $@
-}
-
-function download_extract_xz {
-	download_extract_base -xf $@
-}
-
-function download_extract_unzip {
-	download_extract_base -unzip $@
-}
-
-function git_check {
-	#$1 is url #$2 is dir #$3 is tag or branch if optional
-	command=
-	if [ -n "$3" ]; then
-	    command="git clone --quiet --depth 1 --branch ${3} ${1} ${2}"
-	else
-	command="git clone --quiet ${1} ${2}"
-	fi
-	message "$command"
-	$command
-	check_requirements "${2}"
-}
-
-#fix py debug linkage manually and also makes it use gold
-function fix_pi_linker {
-  #$1 BINUTILS folder
-  if [ ! -f ${1}/ld.original ]; then
-    mv ${1}/ld ${1}/ld.original
-  fi
-  rm -f ${1}/ld
-  printf '#!/usr/bin/env bash\n'"${1}/ld.gold --long-plt \$*">${1}/ld
-  chmod +x ${1}/ld
-}
-
-if [ ! -d ${CROSS_COMPILER_DIR}/folder ]; then
-	#out file
-	message "download CROSS_COMPILER"
-	${COMPILER_DOWNLOAD_CMD} ${CROSS_COMPILER_URL} ${CROSS_COMPILER_DIR}
-	message "rename top folder  (instead of --strip-components=1)"
-	rename_top_folder ${CROSS_COMPILER_DIR}
-fi
-
-CROSS_COMPILER_DIR=${CROSS_COMPILER_DIR}/folder
-
-if [ "${TARGET_OS}" = "android" ];then
-	ANDROID_TOOLCHAIN=${CROSS_COMPILER_DIR}/toolchains/llvm/prebuilt/linux-x86_64
-	COMPILER_PREFIX="${ANDROID_TOOLCHAIN}/bin/${PREFIX}${ANDROID_VERSION}"
-	TOOLCHAIN_PREFIX="${ANDROID_TOOLCHAIN}/bin/${PREFIX}"
-	if [ "$BLAS_TARGET_NAME" = "ARMV7" ];then
-	    BLAS_XTRA="ARM_SOFTFP_ABI=1 "
-		COMPILER_PREFIX="${ANDROID_TOOLCHAIN}/bin/armv7a-linux-androideabi${ANDROID_VERSION}"
-	fi
-	CC_EXE="clang"
-	CXX_EXE="clang++"
-	AR="${TOOLCHAIN_PREFIX}-ar"
-	RANLIB="${TOOLCHAIN_PREFIX}-ranlib"
-	BLAS_XTRA="CC=${COMPILER_PREFIX}-${CC_EXE} AR=${AR} RANLIB=${RANLIB} ${BLAS_XTRA}"
-else
-	BINUTILS_BIN=${CROSS_COMPILER_DIR}/${PREFIX}/bin
-	COMPILER_PREFIX=${CROSS_COMPILER_DIR}/bin/${PREFIX}
-	TOOLCHAIN_PREFIX=${COMPILER_PREFIX}
-	SYS_ROOT=${CROSS_COMPILER_DIR}/${PREFIX}/libc
-	#LD_LIBRARY_PATH=${CROSS_COMPILER_DIR}/lib:$LD_LIBRARY_PATH
-	CC_EXE="gcc"
-	CXX_EXE="g++"
-	RANLIB="${BINUTILS_BIN}/ranlib"
-	export LD="${BINUTILS_BIN}/ld"
-	AR="${BINUTILS_BIN}/ar"
-	BLAS_XTRA="CC=${COMPILER_PREFIX}-${CC_EXE} AR=${AR} RANLIB=${RANLIB}  CFLAGS=--sysroot=${SYS_ROOT} LDFLAGS=\"-L${SYS_ROOT}/../lib/ -lm\""
-fi
-
-check_requirements ${CC}
-
-if [ -z "${BUILD_USING_MAVEN}" ] ;then
-#lets build OpenBlas
-if [ ! -d "${OPENBLAS_DIR}" ]; then
-	message "download OpenBLAS"
-	git_check "${OPENBLAS_GIT_URL}" "${OPENBLAS_DIR}" "v0.3.10"
-fi
-
-if [ ! -f "${THIRD_PARTY}/lib/libopenblas.so" ]; then
-	message "build and install OpenBLAS"
-	cd ${OPENBLAS_DIR}
-
-	command="make TARGET=${BLAS_TARGET_NAME} HOSTCC=gcc  NOFORTRAN=1 ${BLAS_XTRA} "
-	message $command
-	eval $command  &>/dev/null
-    message "install it"
-	command="make TARGET=${BLAS_TARGET_NAME} PREFIX=${THIRD_PARTY} install &>/dev/null"
-	message $command
-	$command
-	cd $BASE_DIR
-
-fi
-check_requirements ${THIRD_PARTY}/lib/libopenblas.so
-
-export OPENBLAS_PATH=${THIRD_PARTY}
-
-fi # end if [ -z "${BUILD_USING_MAVEN}"];then
-
-if [ ! -d ${SCONS_LOCAL_DIR} ]; then
-	#out file
-	message "download Scons local"
-	download_extract ${SCONS_LOCAL_URL} ${SCONS_LOCAL_DIR}
-fi
-check_requirements ${SCONS_LOCAL_DIR}/scons.py
-
-if [ ! -d "${ARMCOMPUTE_DIR}" ]; then
-	message "download ArmCompute Source"
-	git_check ${ARMCOMPUTE_GIT_URL} "${ARMCOMPUTE_DIR}" "${ARMCOMPUTE_TAG}"
-fi
-
-#build armcompute
-if [ ! -f "${ARMCOMPUTE_DIR}/build/libarm_compute-static.a" ]; then
-message "build arm compute"
-cd ${ARMCOMPUTE_DIR}
-command="CC=${CC_EXE} CXX=${CXX_EXE} python3 ${SCONS_LOCAL_DIR}/scons.py Werror=1 -j$(nproc) toolchain_prefix=${TOOLCHAIN_PREFIX}-  compiler_prefix=${COMPILER_PREFIX}- debug=${ARMCOMPUTE_DEBUG}  neon=1 opencl=0 extra_cxx_flags=-fPIC os=${TARGET_OS} build=cross_compile arch=${ARMCOMPUTE_TARGET} "
-message $command
-eval $command &>/dev/null
-cd ${BASE_DIR}
-fi
-check_requirements "${ARMCOMPUTE_DIR}/build/libarm_compute-static.a" "${ARMCOMPUTE_DIR}/build/libarm_compute_core-static.a"
-
-export ARMCOMPUTE_ROOT="${ARMCOMPUTE_DIR}"
-
-if [ "${TARGET_OS}" = "android" ];then
-	export ANDROID_NDK=${CROSS_COMPILER_DIR}
-else
-    export RPI_BIN=${CROSS_COMPILER_DIR}/bin/${PREFIX}
-	export JAVA_LIBRARY_PATH=${CROSS_COMPILER_DIR}/${PREFIX}/lib
-	fix_pi_linker ${BINUTILS_BIN}
-fi
-
-
-#because of the toolchain passive detection we have to delete build folder manually
-detect=$(cat ${BASE_DIR}/blasbuild/cpu/CMakeCache.txt | grep -o ${PREFIX})
-if [ -z "${detect}" ] ;then
-message "remove blasbuild folder "
-rm -rf $BASE_DIR/blasbuild/
-else
-message "keep blasbuild folder"
-fi
-
-if [ -z "${BUILD_USING_MAVEN}" ] ;then
-message "lets build just library"
-DHELPER="  -h armcompute "
-bash ./buildnativeoperations.sh -o ${LIBND4J_PLATFORM} -t ${DHELPER} -j $(nproc)
-else
-message "cd $BASE_DIR/.. "
-cd $BASE_DIR/..
-message "lets build jars"
-DHELPER=" -Dlibnd4j.helper=armcompute "
-mvn  install  -Dlibnd4j.platform=${LIBND4J_PLATFORM} -Djavacpp.platform=${LIBND4J_PLATFORM} -DprotocCommand=protoc -Djavacpp.platform.compiler=${COMPILER_PREFIX}-${CC_EXE} -Djava.library.path=${JAVA_LIBRARY_PATH} ${DHELPER} -Dmaven.test.skip=true -Dmaven.javadoc.skip=true
-fi
+#!/bin/sh
+#
+# /* ******************************************************************************
+#  *
+#  *
+#  * This program and the accompanying materials are made available under the
+#  * terms of the Apache License, Version 2.0 which is available at
+#  * https://www.apache.org/licenses/LICENSE-2.0.
+#  *
+#  *  See the NOTICE file distributed with this work for additional
+#  *  information regarding copyright ownership.
+#  * Unless required by applicable law or agreed to in writing, software
+#  * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+#  * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+#  * License for the specific language governing permissions and limitations
+#  * under the License.
+#  *
+#  * SPDX-License-Identifier: Apache-2.0
+#  ******************************************************************************/
+#
+
+function message {
+	echo "BUILDER:::: ${@}"
+}
+
+BUILD_USING_MAVEN=
+CURRENT_TARGET=arm32
+HAS_ARMCOMPUTE=1
+ARMCOMPUTE_DEBUG=0
+ARMCOMPUTE_TAG=v20.05
+LIBND4J_BUILD_MODE=Release
+export ANDROID_VERSION=21
+OTHER_ARGS=()
+while [[ $# -gt 0 ]]
+do
+key="$1"
+
+case $key in
+    -a|--arch)
+    CURRENT_TARGET="$2"
+    shift
+    shift
+    ;;
+    -m|--mvn)
+    BUILD_USING_MAVEN="mvn"
+    shift
+    ;;
+    *)
+    OTHER_ARGS+=("$1")
+    shift
+    ;;
+esac
+done
+
+CC_URL32="https://developer.arm.com/-/media/Files/downloads/gnu-a/8.3-2019.03/binrel/gcc-arm-8.3-2019.03-x86_64-arm-linux-gnueabihf.tar.xz?revision=e09a1c45-0ed3-4a8e-b06b-db3978fd8d56&la=en&hash=93ED4444B8B3A812B893373B490B90BBB28FD2E3"
+CC_URL64="https://developer.arm.com/-/media/Files/downloads/gnu-a/8.3-2019.03/binrel/gcc-arm-8.3-2019.03-x86_64-aarch64-linux-gnu.tar.xz?revision=2e88a73f-d233-4f96-b1f4-d8b36e9bb0b9&la=en&hash=167687FADA00B73D20EED2A67D0939A197504ACD"
+CC_ANDROID="https://dl.google.com/android/repository/android-ndk-r21d-linux-x86_64.zip"
+TARGET_ARRS=( arm32 arm64 android-arm android-arm64 )
+COMPILER_ARRS=( "${CC_URL32}" "${CC_URL64}" "${CC_ANDROID}" "${CC_ANDROID}" )
+COMPILER_DOWNLOAD_CMD_LIST=( download_extract_xz download_extract_xz download_extract_unzip download_extract_unzip )
+COMPILER_DESTDIR=( "arm32" "arm64" "android" "android" )
+
+OPENBLAS_TARGETS=( ARMV7 ARMV8 ARMV7 ARMV8)
+ARMCOMPUTE_TARGETS=( armv7a arm64-v8a armv7a arm64-v8a)
+OS_LIST=( linux linux android android)
+LIBND4J_PLATFORM_EXT_LIST=( armhf arm64 arm arm64 )
+PREFIXES=( arm-linux-gnueabihf aarch64-linux-gnu arm-linux-androideabi aarch64-linux-android )
+TARGET_INDEX=-1
+
+for i in "${!TARGET_ARRS[@]}"; do
+   if [[ "${TARGET_ARRS[$i]}" = "${CURRENT_TARGET}" ]]; then
+       TARGET_INDEX=${i}
+   fi
+done
+
+if [ ${TARGET_INDEX} -eq -1 ];then
+	message "could not find  ${CURRENT_TARGET} in ${TARGET_ARRS[@]}"
+	exit -1
+fi
+
+#BASE_DIR=${HOME}/pi
+#https://stackoverflow.com/questions/59895/how-to-get-the-source-directory-of-a-bash-script-from-within-the-script-itself
+SOURCE="${BASH_SOURCE[0]}"
+while [ -h "$SOURCE" ]; do # resolve $SOURCE until the file is no longer a symlink
+  DIR="$( cd -P "$( dirname "$SOURCE" )" >/dev/null 2>&1 && pwd )"
+  SOURCE="$(readlink "$SOURCE")"
+  [[ $SOURCE != /* ]] && SOURCE="$DIR/$SOURCE" # if $SOURCE was a relative symlink, we need to resolve it relative to the path where the symlink file was located
+done
+BASE_DIR="$( cd -P "$( dirname "$SOURCE" )" >/dev/null 2>&1 && pwd )"
+
+CROSS_COMPILER_URL=${COMPILER_ARRS[$TARGET_INDEX]}
+CROSS_COMPILER_DIR=${BASE_DIR}/compile_tools/cross_compiler_${COMPILER_DESTDIR[$TARGET_INDEX]}
+COMPILER_DOWNLOAD_CMD=${COMPILER_DOWNLOAD_CMD_LIST[$TARGET_INDEX]}
+DETECT=${DETECT_LIST[$TARGET_INDEX]}
+LIBND4J_PLATFORM_EXT=${LIBND4J_PLATFORM_EXT_LIST[$TARGET_INDEX]}
+BLAS_TARGET_NAME=${OPENBLAS_TARGETS[$TARGET_INDEX]}
+ARMCOMPUTE_TARGET=${ARMCOMPUTE_TARGETS[$TARGET_INDEX]}
+TARGET_OS=${OS_LIST[$TARGET_INDEX]}
+LIBND4J_PLATFORM=${TARGET_OS}-${LIBND4J_PLATFORM_EXT}
+PREFIX=${PREFIXES[$TARGET_INDEX]}
+
+CMAKE=cmake #/snap/bin/cmake
+mkdir -p ${BASE_DIR}/compile_tools/
+
+SCONS_LOCAL_URL=http://prdownloads.sourceforge.net/scons/scons-local-3.1.1.tar.gz
+SCONS_LOCAL_DIR=${BASE_DIR}/compile_tools/scons_local
+
+THIRD_PARTY=${BASE_DIR}/third_party_libs${TARGET_INDEX}
+
+ARMCOMPUTE_GIT_URL=https://github.com/ARM-software/ComputeLibrary.git
+ARMCOMPUTE_DIR=${THIRD_PARTY}/arm_compute_dir
+
+OPENBLAS_GIT_URL="https://github.com/xianyi/OpenBLAS.git"
+OPENBLAS_DIR=${THIRD_PARTY}/OpenBLAS
+
+
+mkdir -p ${BASE_DIR}
+mkdir -p ${THIRD_PARTY}
+
+#change directory to base
+cd $BASE_DIR
+
+function check_requirements {
+	for i in "${@}"
+	do
+      if [ ! -e "$i" ]; then
+         message "missing: ${i}"
+		 exit -2
+	  fi
+	done
+}
+
+function rename_top_folder {
+	for dir in ${1}/*
+	do
+		if [ -d "$dir" ]
+		then
+		    mv "${dir}" "${1}/folder/"
+			message "${dir} => ${1}/folder/"
+			break
+		fi
+	done
+}
+
+function download_extract_base {
+	#$1 is url #2 is dir $3 is extract argument
+	if [ ! -f ${3}_file ]; then
+		message "download"
+		wget --quiet --show-progress -O ${3}_file ${2}
+	fi
+
+	message "extract $@"
+    #extract
+	mkdir -p ${3}
+	if [ ${1} = "-unzip" ]; then
+		command="unzip -qq ${3}_file -d ${3} "
+	else
+		command="tar ${1}  ${3}_file --directory=${3} "
+	fi
+	message $command
+	$command
+	check_requirements "${3}"
+}
+
+function download_extract {
+	download_extract_base -xzf $@
+}
+
+function download_extract_xz {
+	download_extract_base -xf $@
+}
+
+function download_extract_unzip {
+	download_extract_base -unzip $@
+}
+
+function git_check {
+	#$1 is url #$2 is dir #$3 is tag or branch if optional
+	command=
+	if [ -n "$3" ]; then
+	    command="git clone --quiet --depth 1 --branch ${3} ${1} ${2}"
+	else
+	command="git clone --quiet ${1} ${2}"
+	fi
+	message "$command"
+	$command
+	check_requirements "${2}"
+}
+
+#fix py debug linkage manually and also makes it use gold
+function fix_pi_linker {
+  #$1 BINUTILS folder
+  if [ ! -f ${1}/ld.original ]; then
+    mv ${1}/ld ${1}/ld.original
+  fi
+  rm -f ${1}/ld
+  printf '#!/usr/bin/env bash\n'"${1}/ld.gold --long-plt \$*">${1}/ld
+  chmod +x ${1}/ld
+}
+
+if [ ! -d ${CROSS_COMPILER_DIR}/folder ]; then
+	#out file
+	message "download CROSS_COMPILER"
+	${COMPILER_DOWNLOAD_CMD} ${CROSS_COMPILER_URL} ${CROSS_COMPILER_DIR}
+	message "rename top folder  (instead of --strip-components=1)"
+	rename_top_folder ${CROSS_COMPILER_DIR}
+fi
+
+CROSS_COMPILER_DIR=${CROSS_COMPILER_DIR}/folder
+
+if [ "${TARGET_OS}" = "android" ];then
+	ANDROID_TOOLCHAIN=${CROSS_COMPILER_DIR}/toolchains/llvm/prebuilt/linux-x86_64
+	COMPILER_PREFIX="${ANDROID_TOOLCHAIN}/bin/${PREFIX}${ANDROID_VERSION}"
+	TOOLCHAIN_PREFIX="${ANDROID_TOOLCHAIN}/bin/${PREFIX}"
+	if [ "$BLAS_TARGET_NAME" = "ARMV7" ];then
+	    BLAS_XTRA="ARM_SOFTFP_ABI=1 "
+		COMPILER_PREFIX="${ANDROID_TOOLCHAIN}/bin/armv7a-linux-androideabi${ANDROID_VERSION}"
+	fi
+	CC_EXE="clang"
+	CXX_EXE="clang++"
+	AR="${TOOLCHAIN_PREFIX}-ar"
+	RANLIB="${TOOLCHAIN_PREFIX}-ranlib"
+	BLAS_XTRA="CC=${COMPILER_PREFIX}-${CC_EXE} AR=${AR} RANLIB=${RANLIB} ${BLAS_XTRA}"
+else
+	BINUTILS_BIN=${CROSS_COMPILER_DIR}/${PREFIX}/bin
+	COMPILER_PREFIX=${CROSS_COMPILER_DIR}/bin/${PREFIX}
+	TOOLCHAIN_PREFIX=${COMPILER_PREFIX}
+	SYS_ROOT=${CROSS_COMPILER_DIR}/${PREFIX}/libc
+	#LD_LIBRARY_PATH=${CROSS_COMPILER_DIR}/lib:$LD_LIBRARY_PATH
+	CC_EXE="gcc"
+	CXX_EXE="g++"
+	RANLIB="${BINUTILS_BIN}/ranlib"
+	export LD="${BINUTILS_BIN}/ld"
+	AR="${BINUTILS_BIN}/ar"
+	BLAS_XTRA="CC=${COMPILER_PREFIX}-${CC_EXE} AR=${AR} RANLIB=${RANLIB}  CFLAGS=--sysroot=${SYS_ROOT} LDFLAGS=\"-L${SYS_ROOT}/../lib/ -lm\""
+fi
+
+check_requirements ${CC}
+
+if [ -z "${BUILD_USING_MAVEN}" ] ;then
+#lets build OpenBlas
+if [ ! -d "${OPENBLAS_DIR}" ]; then
+	message "download OpenBLAS"
+	git_check "${OPENBLAS_GIT_URL}" "${OPENBLAS_DIR}" "v0.3.10"
+fi
+
+if [ ! -f "${THIRD_PARTY}/lib/libopenblas.so" ]; then
+	message "build and install OpenBLAS"
+	cd ${OPENBLAS_DIR}
+
+	command="make TARGET=${BLAS_TARGET_NAME} HOSTCC=gcc  NOFORTRAN=1 ${BLAS_XTRA} "
+	message $command
+	eval $command  &>/dev/null
+    message "install it"
+	command="make TARGET=${BLAS_TARGET_NAME} PREFIX=${THIRD_PARTY} install &>/dev/null"
+	message $command
+	$command
+	cd $BASE_DIR
+
+fi
+check_requirements ${THIRD_PARTY}/lib/libopenblas.so
+
+export OPENBLAS_PATH=${THIRD_PARTY}
+
+fi # end if [ -z "${BUILD_USING_MAVEN}"];then
+
+if [ ! -d ${SCONS_LOCAL_DIR} ]; then
+	#out file
+	message "download Scons local"
+	download_extract ${SCONS_LOCAL_URL} ${SCONS_LOCAL_DIR}
+fi
+check_requirements ${SCONS_LOCAL_DIR}/scons.py
+
+if [ ! -d "${ARMCOMPUTE_DIR}" ]; then
+	message "download ArmCompute Source"
+	git_check ${ARMCOMPUTE_GIT_URL} "${ARMCOMPUTE_DIR}" "${ARMCOMPUTE_TAG}"
+fi
+
+#build armcompute
+if [ ! -f "${ARMCOMPUTE_DIR}/build/libarm_compute-static.a" ]; then
+message "build arm compute"
+cd ${ARMCOMPUTE_DIR}
+command="CC=${CC_EXE} CXX=${CXX_EXE} python3 ${SCONS_LOCAL_DIR}/scons.py Werror=1 -j$(nproc) toolchain_prefix=${TOOLCHAIN_PREFIX}-  compiler_prefix=${COMPILER_PREFIX}- debug=${ARMCOMPUTE_DEBUG}  neon=1 opencl=0 extra_cxx_flags=-fPIC os=${TARGET_OS} build=cross_compile arch=${ARMCOMPUTE_TARGET} "
+message $command
+eval $command &>/dev/null
+cd ${BASE_DIR}
+fi
+check_requirements "${ARMCOMPUTE_DIR}/build/libarm_compute-static.a" "${ARMCOMPUTE_DIR}/build/libarm_compute_core-static.a"
+
+export ARMCOMPUTE_ROOT="${ARMCOMPUTE_DIR}"
+
+if [ "${TARGET_OS}" = "android" ];then
+	export ANDROID_NDK=${CROSS_COMPILER_DIR}
+else
+    export RPI_BIN=${CROSS_COMPILER_DIR}/bin/${PREFIX}
+	export JAVA_LIBRARY_PATH=${CROSS_COMPILER_DIR}/${PREFIX}/lib
+	fix_pi_linker ${BINUTILS_BIN}
+fi
+
+
+#because of the toolchain passive detection we have to delete build folder manually
+detect=$(cat ${BASE_DIR}/blasbuild/cpu/CMakeCache.txt | grep -o ${PREFIX})
+if [ -z "${detect}" ] ;then
+message "remove blasbuild folder "
+rm -rf $BASE_DIR/blasbuild/
+else
+message "keep blasbuild folder"
+fi
+
+if [ -z "${BUILD_USING_MAVEN}" ] ;then
+message "lets build just library"
+DHELPER="  -h armcompute "
+bash ./buildnativeoperations.sh -o ${LIBND4J_PLATFORM} -t ${DHELPER} -j $(nproc)
+else
+message "cd $BASE_DIR/.. "
+cd $BASE_DIR/..
+message "lets build jars"
+DHELPER=" -Dlibnd4j.helper=armcompute "
+mvn  install  -Dlibnd4j.platform=${LIBND4J_PLATFORM} -Djavacpp.platform=${LIBND4J_PLATFORM} -DprotocCommand=protoc -Djavacpp.platform.compiler=${COMPILER_PREFIX}-${CC_EXE} -Djava.library.path=${JAVA_LIBRARY_PATH} ${DHELPER} -Dmaven.test.skip=true -Dmaven.javadoc.skip=true
+fi