diff --git a/README.en.md b/README.en.md
index 3fad6e1cde03797df60388032c61be3156113c2b..82359d3fff39b3e07c9107700f6bea39eba48134 100644
--- a/README.en.md
+++ b/README.en.md
@@ -1,7 +1,7 @@
 # gcc-cross
 
 #### Description
-gcc cross compilation tool chain for openEuler
+GCC cross compilation tool chain currently supports x86->arm32/arm64, will continue to expand in the future.
 
 #### Software Architecture
 Software architecture description
diff --git a/README.md b/README.md
deleted file mode 100644
index b562bfccaa585be95ba6a9d25fb3826de0f58920..0000000000000000000000000000000000000000
--- a/README.md
+++ /dev/null
@@ -1,37 +0,0 @@
-# gcc-cross
-
-#### 介绍
-gcc cross compilation tool chain for openEuler
-
-#### 软件架构
-软件架构说明
-
-
-#### 安装教程
-
-1.  xxxx
-2.  xxxx
-3.  xxxx
-
-#### 使用说明
-
-1.  xxxx
-2.  xxxx
-3.  xxxx
-
-#### 参与贡献
-
-1.  Fork 本仓库
-2.  新建 Feat_xxx 分支
-3.  提交代码
-4.  新建 Pull Request
-
-
-#### 特技
-
-1.  使用 Readme\_XXX.md 来支持不同的语言，例如 Readme\_en.md, Readme\_zh.md
-2.  Gitee 官方博客 [blog.gitee.com](https://blog.gitee.com)
-3.  你可以 [https://gitee.com/explore](https://gitee.com/explore) 这个地址来了解 Gitee 上的优秀开源项目
-4.  [GVP](https://gitee.com/gvp) 全称是 Gitee 最有价值开源项目，是综合评定出的优秀开源项目
-5.  Gitee 官方提供的使用手册 [https://gitee.com/help](https://gitee.com/help)
-6.  Gitee 封面人物是一档用来展示 Gitee 会员风采的栏目 [https://gitee.com/gitee-stars/](https://gitee.com/gitee-stars/)
diff --git a/build.sh b/build.sh
new file mode 100755
index 0000000000000000000000000000000000000000..f164e22a8a6ea76106bd36943572bf9ea8824cf7
--- /dev/null
+++ b/build.sh
@@ -0,0 +1,65 @@
+#!/bin/bash
+# The entrance of the build Compiler toolchain
+
+set -e
+
+readonly LOG_PATH="$PWD/logs"
+readonly OPEN_SOURCE_PATH="$PWD/../open_source"
+# Check if the build tool exists, Build error when missing tools
+miss_tool_error()
+{
+	$1 $2
+	if [ $? -ne 0 ]; then
+		echo "##################################"
+		echo "#    ERROR: $1 is not found!!    # "
+		echo "##################################"
+		exit 1
+	else
+		echo "$1  checked success!!"
+	fi
+}
+
+#Clear history build legacy files.
+#All build logs
+#The intermediate file is placed in the directory name with the "_build_dir" keyword.
+#The Source code is placed in the directory name with the "_build_src" keyword.
+clean()
+{
+	for file in $(find $OPEN_SOURCE_PATH -name "*_build_src")
+	do
+		[ -n "$file" ] && rm -rf $file
+	done
+
+	for file in $(find . -name "*_build_dir")
+	do
+		[ -n "$file" ] && rm -rf $file
+	done
+
+	[ -n "$PWD/../output" ] && rm -rf $PWD/../output/*
+
+	[ -n "$LOG_PATH" ] && rm -rf $LOG_PATH
+}
+
+echo "$(date +"%Y-%m-%d %H:%M:%S") ========begin building ========"
+source $PWD/config.xml
+miss_tool_error gcc -v
+miss_tool_error g++ -v
+miss_tool_error bison --version
+miss_tool_error flex --version
+miss_tool_error makeinfo --version
+
+if [ "$1"x = "openeuler_gcc_arm64le"x ] || [ "$1"x = "openeuler_gcc_arm32le"x ]; then
+	cd $1
+elif [ "$1"x = "clean"x ] ; then
+	clean
+	exit 0
+else
+	echo Using "sh build.sh xxx" to build the toolchain. xxx is the toolchain name
+	echo Using "sh build.sh clean" to clear history build legacy files
+	exit 0
+fi
+
+./build.sh
+rm -rf $LOG_PATH/python*
+cd -
+exit 0
diff --git a/config.xml b/config.xml
new file mode 100644
index 0000000000000000000000000000000000000000..3c74fae9ef8a65d8f195a518de34766d92f40c20
--- /dev/null
+++ b/config.xml
@@ -0,0 +1,18 @@
+COMPILER_INFO="gcc 10.3.1"
+
+GCC="gcc"
+GCC_DIR="gcc-10.3.0"
+BINUTILS="binutils"
+BINUTILS_DIR="binutils-2.37"
+MPFR="mpfr"
+MPFR_DIR="mpfr-4.1.0"
+GMP="gmp"
+GMP_DIR="gmp-6.2.1"
+MPC="libmpc"
+MPC_DIR="mpc-1.2.0"
+ISL="isl"
+ISL_DIR="isl-0.16.1"
+GLIBC="glibc"
+GLIBC_DIR="glibc-2.34"
+KERNEL_HEADERS="kernel_headers"
+LINUX_KERNEL="kernel"
diff --git a/download.sh b/download.sh
new file mode 100755
index 0000000000000000000000000000000000000000..068110e5dcb698d2c4a00a36714fca6ae081ae4b
--- /dev/null
+++ b/download.sh
@@ -0,0 +1,59 @@
+#!/bin/bash
+set -e
+
+readonly LIB_PATH="$PWD/../open_source"
+source $PWD/config.xml
+
+#judge the open_source
+
+[ ! -d "$LIB_PATH" ] && mkdir $LIB_PATH
+
+function delete_dir() {
+	while [ $# !=0 ] ; do
+		[ -n "$1" ] && rm -rf $1 ; shift; done
+	}
+
+cd $LIB_PATH && delete_dir $GCC $BINUTILS $GMP $MPC $MPFR $ISL
+
+pushd $LIB_PATH
+function do_patch() {
+	pushd $1
+	if [ $1 = "isl" ];then
+		tar xf $1-0.14.tar.xz
+		tar xf $1-0.16.1.tar.xz
+		patch -p1 < *.patch
+	else
+		PKG=$(echo *.tar.*)
+		tar xf *.tar.*
+		cat *.spec | grep "Patch" | grep "\.patch" | awk '{print $2}' > $1-patchlist
+		pushd ${PKG%%.tar.*}
+		for i in `cat ../$1-patchlist`
+		do
+			patch -p1 < ../$i
+		done
+		popd
+	fi
+	popd
+}
+echo "Download $GCC" && git clone -b openEuler-22.03-LTS https://gitee.com/src-openeuler/gcc.git 
+do_patch $GCC
+
+echo "Download $GLIBC" && git clone -b openEuler-22.03-LTS https://gitee.com/src-openeuler/glibc.git 
+do_patch $GLIBC
+
+echo "Download $BINUTILS" && git clone -b openEuler-22.03-LTS https://gitee.com/src-openeuler/binutils.git 
+do_patch $BINUTILS
+
+echo "Download $GMP" && git clone -b openEuler-22.03-LTS https://gitee.com/src-openeuler/gmp.git 
+do_patch $GMP
+
+echo "Download $MPFR" && git clone -b openEuler-22.03-LTS https://gitee.com/src-openeuler/mpfr.git 
+do_patch $MPFR
+
+echo "Download $MPC" && git clone -b openEuler-22.03-LTS https://gitee.com/src-openeuler/libmpc.git 
+do_patch $MPC
+
+echo "Download $ISL" && git clone -b openEuler-22.03-LTS https://gitee.com/src-openeuler/isl.git 
+do_patch $ISL
+
+echo "Download $KERNEL" && git clone -b  5.10.0-60.2.0 https://gitee.com/openeuler/kernel.git --depth 1
diff --git a/openeuler_gcc_arm32le/build.sh b/openeuler_gcc_arm32le/build.sh
new file mode 100755
index 0000000000000000000000000000000000000000..0c33e32760fd4033a5df3b5703d004df21712b66
--- /dev/null
+++ b/openeuler_gcc_arm32le/build.sh
@@ -0,0 +1,23 @@
+#!/bin/bash
+
+set -e
+set -x
+
+readonly LOG_PATH="$PWD/../logs"
+
+if [[ -z "$COMPILER_INFO" ]];then
+	source $PWD/../config.xml
+fi
+
+[ -e "$LOG_PATH/openeuler_gcc_arm32le_patch.log" ] && rm $LOG_PATH/openeuler_gcc_arm32le_patch.log
+[ -e "$LOG_PATH/openeuler_gcc_arm32le_build.log" ] && rm $LOG_PATH/openeuler_gcc_arm32le_build.log
+mkdir -p $LOG_PATH
+
+source pre_construction.sh & >> $LOG_PATH/openeuler_gcc_arm32le_patch.log
+
+echo "------------------------------------------"
+echo "Now building the "openeuler_gcc_arm32le" toolchain ..."
+echo "The entire build process takes about 45 minutes (build time is related to machine preformance), you can view the detailed build log in the ${LOG_PATH} file"
+source openeuler_gcc_update_sourcecode.sh
+source openeuler_gcc_arm_linux_release.sh &>> $LOG_PATH/openeuler_gcc_arm32le_build.log
+echo "Build openeuler_gcc_arm32le toolchain completed!"
diff --git a/openeuler_gcc_arm32le/openeuler_gcc_arm_linux_release.sh b/openeuler_gcc_arm32le/openeuler_gcc_arm_linux_release.sh
new file mode 100755
index 0000000000000000000000000000000000000000..a449902ba54c60e6918bc4655417993444f3960e
--- /dev/null
+++ b/openeuler_gcc_arm32le/openeuler_gcc_arm_linux_release.sh
@@ -0,0 +1,100 @@
+#!/bin/bash
+
+set -e
+
+# Target root directory,should be adapted according to your environment
+readonly ROOT_TAR_DIR="$PWD/arm32le_build_dir"
+readonly ROOT_TAR_SRC="$PWD/../../open_source"
+readonly INSTALL="openeuler_gcc_arm32le"
+readonly PREFIX="$PWD/arm32le_build_dir/$INSTALL"
+readonly OUTPUT="$PWD/../../output/$INSTALL"
+
+readonly SECURE_LDFLAGS="-z relro -z now -z noexecstack"
+readonly SECURE_CFLAGS="-O2 -Wall -fstack-protector-strong -D_FORTIFY_SOURCE=2 -Wl,-z,relro,-z,now,-z,noexecstack -Wtrampolines -Wno-stringop-overflow  -fPIE"
+readonly SECURE_CXXFLAGS="-O2 -Wall -fstack-protector-strong -D_FORTIFY_SOURCE=2 -Wl,-z,relro,-z,now,-z,noexecstack -Wtrampolines -Wno-stringop-overflow -fPIE"
+readonly SECURE_CFLAGS_FOR_TARGET="-O2 -Wall -fstack-protector-strong -D_FORTIFY_SOURCE=2 -Wl,-z,relro,-z,now,-z,noexecstack -Wtrampolines -Wno-stringop-overflow -march=armv7-a -mfloat-abi=soft -mfpu=vfp"
+readonly SECURE_CXXFLAGS_FOR_TARGET="-O2 -Wall -fstack-protector-strong -D_FORTIFY_SOURCE=2 -Wl,-z,relro,-z,now,-z,noexecstack -Wtrampolines -Wno-stringop-overflow -march=armv7-a -mfloat-abi=soft -mfpu=vfp"
+
+readonly TARGET="arm-openeuler-linux-gnueabi"
+readonly HOST="$(gcc -dumpmachine)"
+readonly BUILD="$(gcc -dumpmachine)"
+
+readonly SYSROOT="$PREFIX/sysroot"
+
+#OTHER CONFIG
+readonly ARCH="armv7-a"
+
+if [[ -z "$COMPILER_INFO" ]];then
+	source $PWD/../config.xml
+fi
+
+declare -x CFLAGS_FOR_TARGET="-O2 -Wall -fstack-protector-strong -D_FORTIFY_SOURCE=2 -Wl,-z,relro,-z,now,-z,noexecstack -Wtrampolines -Wno-stringop-overflow -march=armv7-a -mfloat-abi=soft -mfpu=vfp"
+declare -x CXXFLAGS_FOR_TARGET="$CFLAGS_FOR_TARGET"
+
+#Create an empty file
+create_new_file(){
+while [ $# != 0 ] ; do
+[ -n "$1" ] && rm -rf $1 ; mkdir -p $1; shift; done }
+
+create_new_file $ROOT_TAR_DIR/obj $PREFIX $OUTPUT $ROOT_TAR_DIR/obj/build-gmp $ROOT_TAR_DIR/obj/build-mpfr $ROOT_TAR_DIR/obj/build-isl $ROOT_TAR_DIR/obj/build-mpc $ROOT_TAR_DIR/obj/build-binutils $ROOT_TAR_DIR/obj/build-gcc-first $ROOT_TAR_DIR/obj/glibc-headers $ROOT_TAR_DIR/obj/build-gcc-second $ROOT_TAR_DIR/obj/build-eglibc $ROOT_TAR_DIR/obj/build-gcc-final
+
+# Change libstdc++.so option
+sed -i "s#^\\t\$(OPT_LDFLAGS).*#\\t\$(OPT_LDFLAGS) \$(SECTION_LDFLAGS) \$(AM_CXXFLAGS)  \$(LTLDFLAGS) -Wl,-z,relro,-z,now,-z,noexecstack -Wtrampolines -o \$\@#g" $ROOT_TAR_SRC/$GCC/$GCC_DIR/libstdc++-v3/src/Makefile.in
+
+echo "Building gmp..." && pushd $ROOT_TAR_DIR/obj/build-gmp
+LDFLAGS="${SECURE_LDFLAGS}" CFLAGS="${SECURE_CFLAGS}" CXXFLAGS="${SECURE_CXXFLAGS}" CFLAGS_FOR_TARGET="${SECURE_CFLAGS_FOR_TARGET}" CXXFLAGS_FOR_TARGET="${SECURE_CXXFLAGS_FOR_TARGET}"  $ROOT_TAR_SRC/$GMP/$GMP_DIR/configure --build=$BUILD --prefix=$PREFIX --disable-shared --host=$HOST --enable-cxx
+make -j 32 && make install && popd
+
+echo "Building mpfr..." && pushd $ROOT_TAR_DIR/obj/build-mpfr
+LDFLAGS="${SECURE_LDFLAGS}" CFLAGS="${SECURE_CFLAGS}" CXXFLAGS="${SECURE_CXXFLAGS}" CFLAGS_FOR_TARGET="${SECURE_CFLAGS_FOR_TARGET}" CXXFLAGS_FOR_TARGET="${SECURE_CXXFLAGS_FOR_TARGET}"  $ROOT_TAR_SRC/$MPFR/$MPFR_DIR/configure --build=$BUILD --target=$TARGET --prefix=$PREFIX --disable-shared --host=$HOST --with-gmp=$PREFIX
+make -j 32 && make install && popd
+
+echo "Building isl..." && pushd $ROOT_TAR_DIR/obj/build-isl
+LDFLAGS="${SECURE_LDFLAGS}" CFLAGS="${SECURE_CFLAGS}" CXXFLAGS="${SECURE_CXXFLAGS}" CFLAGS_FOR_TARGET="${SECURE_CFLAGS_FOR_TARGET}" CXXFLAGS_FOR_TARGET="${SECURE_CXXFLAGS_FOR_TARGET}"  $ROOT_TAR_SRC/$ISL/$ISL_DIR/configure --build=$BUILD --host=$HOST --prefix=$PREFIX --with-gmp-prefix=$PREFIX --disable-shared
+make -j 32 && make install && popd
+
+echo "Building mpc..." && pushd $ROOT_TAR_DIR/obj/build-mpc
+LDFLAGS="${SECURE_LDFLAGS}" CFLAGS="${SECURE_CFLAGS}" CXXFLAGS="${SECURE_CXXFLAGS}" CFLAGS_FOR_TARGET="${SECURE_CFLAGS_FOR_TARGET}" CXXFLAGS_FOR_TARGET="${SECURE_CXXFLAGS_FOR_TARGET}"  $ROOT_TAR_SRC/$MPC/$MPC_DIR/configure --build=$BUILD --target=$TARGET --prefix=$PREFIX --disable-shared --host=$HOST --with-gmp=$PREFIX
+make -j 32 && make install && popd
+
+echo "Building binutils..." && pushd $ROOT_TAR_DIR/obj/build-binutils
+LDFLAGS="${SECURE_LDFLAGS}" CFLAGS="${SECURE_CFLAGS}" CXXFLAGS="${SECURE_CXXFLAGS}" CFLAGS_FOR_TARGET="${SECURE_CFLAGS_FOR_TARGET}" CXXFLAGS_FOR_TARGET="${SECURE_CXXFLAGS_FOR_TARGET}"  $ROOT_TAR_SRC/$BINUTILS/$BINUTILS_DIR/configure --build=$BUILD --target=$TARGET --prefix=$PREFIX --host=$HOST --with-pkgversion="${COMPILER_INFO}" --with-sysroot=$SYSROOT --enable-plugins --enable-ld=yes --disable-gdb --libdir=$PREFIX/lib
+make -j 32 && make install prefix=$PREFIX exec_prefix=$PREFIX libdir=$PREFIX/lib && popd
+
+echo "Installing kernel headers..." && pushd $ROOT_TAR_SRC/$KERNEL_HEADERS/
+mkdir -p $SYSROOT/usr/ && cp -r include $SYSROOT/usr/
+mkdir -p $SYSROOT/usr/include/bits $SYSROOT/usr/include/gnu && popd
+
+echo "Building GCC first..." && pushd $ROOT_TAR_DIR/obj/build-gcc-first
+LDFLAGS="${SECURE_LDFLAGS}" CFLAGS="${SECURE_CFLAGS}" CXXFLAGS="${SECURE_CXXFLAGS}" CFLAGS_FOR_TARGET="${SECURE_CFLAGS_FOR_TARGET}" CXXFLAGS_FOR_TARGET="${SECURE_CXXFLAGS_FOR_TARGET}"  $ROOT_TAR_SRC/$GCC/$GCC_DIR/configure --build=$BUILD --host=$HOST --target=$TARGET --prefix=$PREFIX --disable-multilib --disable-libmudflap --without-headers --with-newlib --enable-threads=no --disable-shared --disable-nls --with-arch=$ARCH --with-gnu-as --with-gnu-ld --enable-poison-system-directories --disable-libssp --enable-symvers=gnu --enable-__cxa_atexit --disable-libgomp --disable-libstdcxx-pch --disable-libquadmath --disable-lto --enable-languages=c --with-pkgversion="${COMPILER_INFO}" --with-gmp=$PREFIX --with-mpfr=$PREFIX --with-mpc=$PREFIX --with-isl=$PREFIX --with-sysroot=$SYSROOT --with-build-sysroot=$SYSROOT --with-build-time-tools=$PREFIX/$TARGET/bin --libdir=$PREFIX/lib --disable-bootstrap --disable-libatomic --disable-libcilkrts --disable-libstdcxx-dual-abi --with-system-zlib
+make -j 32 CPPFLAGS_FOR_TARGET=--sysroot=$SYSROOT && make install prefix=$PREFIX exec_prefix=$PREFIX libdir=$PREFIX/lib && popd
+
+echo "Installing eglibc headers for little-endian..." && mkdir -p $SYSROOT/lib/ $SYSROOT/usr/lib/ && pushd "$ROOT_TAR_DIR/obj/glibc-headers"
+cp -f $ROOT_TAR_SRC/$GLIBC/$GLIBC_DIR/include/gnu/stubs.h $SYSROOT/usr/include/gnu
+CC="$PREFIX/bin/$TARGET-gcc $CFLAGS_FOR_TARGET" $ROOT_TAR_SRC/$GLIBC/$GLIBC_DIR/configure --prefix=/usr --with-headers=$SYSROOT/usr/include --build=$BUILD --host=$TARGET --disable-profile --without-gd --without-cvs --disable-multi-arch --enable-add-ons libc_cv_forced_unwind=yes libc_cv_c_cleanup=yes --with-float=soft --with-fp=no --enable-stack-protector=strong libc_cv_ssp=yes
+make install-bootstrap-headers=yes install-headers install_root=$SYSROOT && make -j 32 csu/subdir_lib
+cp csu/crt1.o csu/crti.o csu/crtn.o $SYSROOT/usr/lib/
+$PREFIX/bin/$TARGET-gcc $CFLAGS_FOR_TARGET -o "$SYSROOT/usr/lib/libc.so" -nostdlib -nostartfiles -shared -x c /dev/null && popd
+
+echo "Building GCC second..." && pushd $ROOT_TAR_DIR/obj/build-gcc-second
+cp $ROOT_TAR_DIR/obj/glibc-headers/bits/stdio_lim.h $SYSROOT/usr/include/bits
+LDFLAGS="${SECURE_LDFLAGS}" CFLAGS="${SECURE_CFLAGS}" CXXFLAGS="${SECURE_CXXFLAGS}" CFLAGS_FOR_TARGET="${SECURE_CFLAGS_FOR_TARGET}" CXXFLAGS_FOR_TARGET="${SECURE_CXXFLAGS_FOR_TARGET}"  $ROOT_TAR_SRC/$GCC/$GCC_DIR/configure --build=$BUILD --host=$HOST --target=$TARGET --prefix=$PREFIX --disable-multilib --disable-libmudflap --enable-shared --with-arch=$ARCH --enable-__cxa_atexit --with-gnu-as --with-gnu-ld --disable-nls --disable-libssp --disable-libgomp --enable-lto --disable-libquadmath --enable-poison-system-directories --enable-symvers=gnu --enable-languages=c --with-pkgversion="${COMPILER_INFO}" --with-sysroot=$SYSROOT --with-build-sysroot=$SYSROOT --with-gmp=$PREFIX --with-mpfr=$PREFIX --with-mpc=$PREFIX --with-isl=$PREFIX --with-build-time-tools=$PREFIX/$TARGET/bin --libdir=$PREFIX/lib --disable-bootstrap --disable-libatomic --disable-libcilkrts --disable-libstdcxx-dual-abi --with-system-zlib
+make -j 32 CPPFLAGS_FOR_TARGET=--sysroot=$SYSROOT build_tooldir=$PREFIX/$TARGET && make install-gcc install-target-libgcc prefix=$PREFIX exec_prefix=$PREFIX libdir=$PREFIX/lib && popd
+
+echo "Building eglibc for little-endian..." && mkdir -p $SYSROOT/lib/ $SYSROOT/usr/lib/ && pushd $ROOT_TAR_DIR/obj/build-eglibc
+CC="$PREFIX/bin/$TARGET-gcc $CFLAGS_FOR_TARGET" CXX="$PREFIX/bin/$TARGET-g++ $CXXFLAGS_FOR_TARGET" LDFLAGS="${SECURE_LDFLAGS}" $ROOT_TAR_SRC/$GLIBC/$GLIBC_DIR/configure --prefix=/usr --with-headers=$SYSROOT/usr/include --build=$BUILD --host=$TARGET --disable-profile --without-gd --enable-obsolete-rpc --without-cvs --with-__thread --with-tls --disable-multi-arch --enable-shared --with-fp --enable-add-ons libc_cv_forced_unwind=yes libc_cv_c_cleanup=yes --libdir=/usr/lib --with-float=soft --with-fp=no --enable-stack-protector=strong libc_cv_ssp=yes
+make -j 32 && make install_root=$SYSROOT slibdir=/lib rtlddir=/lib install && popd
+
+echo "Building GCC final..." && pushd $ROOT_TAR_DIR/obj/build-gcc-final
+LDFLAGS="${SECURE_LDFLAGS}" CFLAGS="${SECURE_CFLAGS}" CXXFLAGS="${SECURE_CXXFLAGS}" CFLAGS_FOR_TARGET="${SECURE_CFLAGS_FOR_TARGET}" CXXFLAGS_FOR_TARGET="${SECURE_CXXFLAGS_FOR_TARGET}"  $ROOT_TAR_SRC/$GCC/$GCC_DIR/configure --build=$BUILD --host=$HOST --target=$TARGET --with-arch=$ARCH --prefix=$PREFIX --disable-multilib --enable-__cxa_atexit --with-gnu-as --with-gnu-ld --disable-libmudflap --enable-libgomp --disable-libquadmath --enable-threads --enable-plugin --enable-c99 --enable-long-long --disable-nls --enable-shared --enable-poison-system-directories --enable-symvers=gnu --with-pkgversion="${COMPILER_INFO}" --enable-languages=c,c++,fortran --with-headers=$SYSROOT/usr/include --with-sysroot=$SYSROOT --with-build-sysroot=$SYSROOT --with-gmp=$PREFIX --with-mpfr=$PREFIX --with-mpc=$PREFIX --with-isl=$PREFIX --with-build-time-tools=$PREFIX/$TARGET/bin --libdir=$PREFIX/lib --disable-bootstrap --disable-libcilkrts --disable-libstdcxx-dual-abi --with-system-zlib
+make -j 32 CPPFLAGS_FOR_TARGET=--sysroot=$SYSROOT && make install prefix=$PREFIX exec_prefix=$PREFIX libdir=$PREFIX/lib && popd
+
+# handle rpath
+for file in $(find "$PREFIX" -name "lib*so*.0") ; do
+	chrpath --delete $file
+done
+
+pushd $PREFIX/.. && chmod 750 $INSTALL -R
+tar --format=gnu -czf $OUTPUT/$INSTALL.tar.gz $INSTALL && popd
+
+echo "Build Complete!" && echo "To use this newly-built $INSTALL cross toolchain, add $PREFIX/bin to your PATH!"
diff --git a/openeuler_gcc_arm32le/openeuler_gcc_update_sourcecode.sh b/openeuler_gcc_arm32le/openeuler_gcc_update_sourcecode.sh
new file mode 100755
index 0000000000000000000000000000000000000000..4dbfed6f6b6eddc6594fcd6d502ada0ca991fbc9
--- /dev/null
+++ b/openeuler_gcc_arm32le/openeuler_gcc_update_sourcecode.sh
@@ -0,0 +1,41 @@
+#!/bin/bash
+
+set -e
+set -x 
+
+readonly ROOT_TOUCH_SRC="$PWD/../../open_source"
+
+if [[ -z "$COMPILER_INFO" ]];then
+	source $PWD/../config.xml
+fi
+
+#[task 002/007] touch .info files in source code for binutils
+find $ROOT_TOUCH_SRC/$BINUTILS/$BINUTILS_DIR -name "*.info"|xargs -i bash -c "touch {}"
+
+touch $ROOT_TOUCH_SRC/$BINUTILS/$BINUTILS_DIR/binutils/doc/binutils.texi
+
+find $ROOT_TOUCH_SRC/$BINUTILS/$BINUTILS_DIR -name "*.1"|xargs -i bash -c "touch {}"
+
+touch $ROOT_TOUCH_SRC/$GCC/$GCC_DIR/gcc/config/arm/iterators.md
+
+find $ROOT_TOUCH_SRC/$GCC/$GCC_DIR -name "*.1"|xargs -i bash -c "touch {}"
+
+find $ROOT_TOUCH_SRC/$GCC/$GCC_DIR -name "*.info"|xargs -i bash -c "touch {}"
+
+touch $ROOT_TOUCH_SRC/$GLIBC/$GLIBC_DIR/locale/programs/*-kw.h
+
+touch $ROOT_TOUCH_SRC/$MPFR/$MPFR_DIR/*.m4
+touch $ROOT_TOUCH_SRC/$MPFR/$MPFR_DIR/configure
+touch $ROOT_TOUCH_SRC/$MPFR/$MPFR_DIR/Makefile.*
+touch $ROOT_TOUCH_SRC/$MPFR/$MPFR_DIR/doc/*
+touch $ROOT_TOUCH_SRC/$GMP/$GMP_DIR/*.m4
+touch $ROOT_TOUCH_SRC/$GMP/$GMP_DIR/configure
+touch $ROOT_TOUCH_SRC/$GMP/$GMP_DIR/Makefile.*
+touch $ROOT_TOUCH_SRC/$GMP/$GMP_DIR/doc/*
+touch $ROOT_TOUCH_SRC/$MPC/$MPC_DIR/*.m4
+touch $ROOT_TOUCH_SRC/$MPC/$MPC_DIR/configure
+touch $ROOT_TOUCH_SRC/$MPC/$MPC_DIR/Makefile.*
+touch $ROOT_TOUCH_SRC/$MPC/$MPC_DIR/doc/*
+touch $ROOT_TOUCH_SRC/$ISL/$ISL_DIR/*.m4
+touch $ROOT_TOUCH_SRC/$ISL/$ISL_DIR/configure
+touch $ROOT_TOUCH_SRC/$ISL/$ISL_DIR/Makefile.*
diff --git a/openeuler_gcc_arm32le/pre_construction.sh b/openeuler_gcc_arm32le/pre_construction.sh
new file mode 100755
index 0000000000000000000000000000000000000000..c3d534ba1b7ac0913a50a6fb1beaa9080a56c280
--- /dev/null
+++ b/openeuler_gcc_arm32le/pre_construction.sh
@@ -0,0 +1,27 @@
+#!/bin/bash
+
+set -e
+set -x
+
+readonly ROOT_BUILD_SRC="$PWD/../../open_source"
+readonly OUTPUT_INSTALL="$PWD/../../output/openeuler_gcc_arm32le"
+
+if [[ -z "$COMPILER_INFO" ]];then
+	source $PWD/../config.xml
+fi
+
+#clear history build legacy files
+clean(){
+	[ -n "$OUTPUT_INSTALL" ] && rm -rf $OUTPUT_INSTALL
+	mkdir -p $OUTPUT_INSTALL
+}
+
+#clean the build direcoty
+clean
+
+chmod 777 $ROOT_BUILD_SRC -R
+
+# Extract kernel header files
+cd $ROOT_BUILD_SRC/$LINUX_KERNEL
+make headers_install ARCH=arm INSTALL_HDR_PATH=$ROOT_BUILD_SRC/$KERNEL_HEADERS
+cd -
diff --git a/openeuler_gcc_arm64le/build.sh b/openeuler_gcc_arm64le/build.sh
new file mode 100755
index 0000000000000000000000000000000000000000..fb29bffab2c954a8c6d47d5675d7517ea368d9a1
--- /dev/null
+++ b/openeuler_gcc_arm64le/build.sh
@@ -0,0 +1,21 @@
+#!/bin/bash
+
+set -e
+set -x
+
+readonly LOG_PATH="$PWD/../logs"
+
+source $PWD/../config.xml
+
+[ -e "$LOG_PATH/openeuler_gcc_arm64le_patch.log" ] && rm $LOG_PATH/openeuler_gcc_arm64le_patch.log
+[ -e "$LOG_PATH/openeuler_gcc_arm64le_build.log" ] && rm $LOG_PATH/openeuler_gcc_arm64le_build.log
+mkdir -p $LOG_PATH
+
+source pre_construction.sh & >> $LOG_PATH/openeuler_gcc_arm64le_patch.log
+
+echo "------------------------------------------"
+echo "Now building the "openeuler_gcc_arm64le" toolchain ..."
+echo "The entire build process takes about 45 minutes (build time is related to machine preformance), you can view the detailed build log in the ${LOG_PATH} file"
+source openeuler_gcc_update_sourcecode.sh
+source openeuler_gcc_aarch64_linux_release.sh &>> $LOG_PATH/openeuler_gcc_arm64le_build.log
+echo "Build openeuler_gcc_arm64le toolchain completed!"
diff --git a/openeuler_gcc_arm64le/openeuler_gcc_aarch64_linux_release.sh b/openeuler_gcc_arm64le/openeuler_gcc_aarch64_linux_release.sh
new file mode 100755
index 0000000000000000000000000000000000000000..659161cdf719c815cf86bf676643dff8de15871d
--- /dev/null
+++ b/openeuler_gcc_arm64le/openeuler_gcc_aarch64_linux_release.sh
@@ -0,0 +1,102 @@
+#!/bin/bash
+
+set -e
+
+# Target root directory,should be adapted according to your environment
+readonly ROOT_TAR_DIR="$PWD/arm64le_build_dir"
+readonly ROOT_TAR_SRC="$PWD/../../open_source"
+readonly INSTALL="openeuler_gcc_arm64le"
+readonly PREFIX="$PWD/arm64le_build_dir/$INSTALL"
+readonly OUTPUT="$PWD/../../output/$INSTALL"
+
+readonly SECURE_LDFLAGS="-z relro -z now -z noexecstack"
+readonly SECURE_CFLAGS="-fPIC -O2 -Wall -fstack-protector-strong -D_FORTIFY_SOURCE=2 -Wl,-z,relro,-z,now,-z,noexecstack -Wtrampolines -fPIE"
+readonly SECURE_CXXFLAGS="-fPIC -O2 -Wall -fstack-protector-strong -D_FORTIFY_SOURCE=2 -Wl,-z,relro,-z,now,-z,noexecstack -Wtrampolines -fPIE"
+readonly SECURE_CFLAGS_FOR_TARGET="-fPIC -O2 -Wall -fstack-protector-strong -D_FORTIFY_SOURCE=2 -Wl,-z,relro,-z,now,-z,noexecstack -Wtrampolines -mlittle-endian -march=armv8-a -DDONT_USE_DC"
+readonly SECURE_CXXFLAGS_FOR_TARGET="-fPIC -O2 -Wall -fstack-protector-strong -D_FORTIFY_SOURCE=2 -Wl,-z,relro,-z,now,-z,noexecstack -Wtrampolines -mlittle-endian -march=armv8-a -DDONT_USE_DC"
+
+readonly HOST="$(gcc -dumpmachine)"
+readonly BUILD="$(gcc -dumpmachine)"
+
+readonly SYSROOT="$PREFIX/sysroot"
+
+#OTHER CONFIG
+readonly ARCH="armv8-a"
+readonly TARGET="aarch64-openeuler-linux-gnu"
+
+source $PWD/../config.xml
+
+declare -x CFLAGS_FOR_TARGET="-fPIC -O2 -Wall -fstack-protector-strong -D_FORTIFY_SOURCE=2 -Wl,-z,relro,-z,now,-z,noexecstack -Wtrampolines -mlittle-endian -march=armv8-a -DDONT_USE_DC"
+declare -x CXXFLAGS_FOR_TARGET="$CFLAGS_FOR_TARGET"
+
+#Create an empty file
+create_new_file(){
+while [ $# != 0 ] ; do
+[ -n "$1" ] && rm -rf $1 ; mkdir -p $1; shift; done }
+
+create_new_file $ROOT_TAR_DIR/obj $PREFIX $OUTPUT $ROOT_TAR_DIR/obj/build-gmp $ROOT_TAR_DIR/obj/build-mpfr $ROOT_TAR_DIR/obj/build-isl $ROOT_TAR_DIR/obj/build-mpc $ROOT_TAR_DIR/obj/build-binutils $ROOT_TAR_DIR/obj/build-gcc-first $ROOT_TAR_DIR/obj/glibc-headers-lp64 $ROOT_TAR_DIR/obj/build-gcc-second $ROOT_TAR_DIR/obj/build-eglibc-lp64 $ROOT_TAR_DIR/obj/build-gcc-final
+
+# Change GLIBC_DYNAMIC_LINKER.
+sed -i "s#^\#define GLIBC_DYNAMIC_LINKER.*#\#undef STANDARD_STARTFILE_PREFIX_2\n\#define STANDARD_STARTFILE_PREFIX_2 \"/usr/lib64/\"\n\#define GLIBC_DYNAMIC_LINKER \"/lib%{mabi=lp64:64}%{mabi=ilp32:ilp32}/ld-linux-aarch64%{mbig-endian:_be}%{mabi=ilp32:_ilp32}.so.1\"#g" $ROOT_TAR_SRC/$GCC/$GCC_DIR/gcc/config/aarch64/aarch64-linux.h
+
+# Change libstdc++.so option
+sed -i "s#^\\t\$(OPT_LDFLAGS).*#\\t\$(OPT_LDFLAGS) \$(SECTION_LDFLAGS) \$(AM_CXXFLAGS)  \$(LTLDFLAGS) -Wl,-z,relro,-z,now,-z,noexecstack -Wtrampolines -o \$\@#g" $ROOT_TAR_SRC/$GCC/$GCC_DIR/libstdc++-v3/src/Makefile.in
+
+echo "Building gmp..." && pushd $ROOT_TAR_DIR/obj/build-gmp
+LDFLAGS="${SECURE_LDFLAGS}" CFLAGS="${SECURE_CFLAGS}" CXXFLAGS="${SECURE_CXXFLAGS}" CFLAGS_FOR_TARGET="${SECURE_CFLAGS_FOR_TARGET}" CXXFLAGS_FOR_TARGET="${SECURE_CXXFLAGS_FOR_TARGET}"  $ROOT_TAR_SRC/$GMP/$GMP_DIR/configure --build=$BUILD --prefix=$PREFIX --disable-shared --host=$HOST --enable-cxx
+make -j 32 && make install && popd
+
+echo "Building mpfr..." && pushd $ROOT_TAR_DIR/obj/build-mpfr
+LDFLAGS="${SECURE_LDFLAGS}" CFLAGS="${SECURE_CFLAGS}" CXXFLAGS="${SECURE_CXXFLAGS}" CFLAGS_FOR_TARGET="${SECURE_CFLAGS_FOR_TARGET}" CXXFLAGS_FOR_TARGET="${SECURE_CXXFLAGS_FOR_TARGET}"  $ROOT_TAR_SRC/$MPFR/$MPFR_DIR/configure --build=$BUILD --target=$TARGET --prefix=$PREFIX --disable-shared --host=$HOST --with-gmp=$PREFIX
+make -j 32 && make install && popd
+
+echo "Building isl..." && pushd $ROOT_TAR_DIR/obj/build-isl
+LDFLAGS="${SECURE_LDFLAGS}" CFLAGS="${SECURE_CFLAGS}" CXXFLAGS="${SECURE_CXXFLAGS}" CFLAGS_FOR_TARGET="${SECURE_CFLAGS_FOR_TARGET}" CXXFLAGS_FOR_TARGET="${SECURE_CXXFLAGS_FOR_TARGET}"  $ROOT_TAR_SRC/$ISL/$ISL_DIR/configure --build=$BUILD --host=$HOST --prefix=$PREFIX --with-gmp-prefix=$PREFIX --disable-shared
+make -j 32 && make install && popd
+
+echo "Building mpc..." && pushd $ROOT_TAR_DIR/obj/build-mpc
+LDFLAGS="${SECURE_LDFLAGS}" CFLAGS="${SECURE_CFLAGS}" CXXFLAGS="${SECURE_CXXFLAGS}" CFLAGS_FOR_TARGET="${SECURE_CFLAGS_FOR_TARGET}" CXXFLAGS_FOR_TARGET="${SECURE_CXXFLAGS_FOR_TARGET}"  $ROOT_TAR_SRC/$MPC/$MPC_DIR/configure --build=$BUILD --target=$TARGET --prefix=$PREFIX --disable-shared --host=$HOST --with-gmp=$PREFIX
+make -j 32 && make install && popd
+
+echo "Building binutils..." && pushd $ROOT_TAR_DIR/obj/build-binutils
+LDFLAGS="${SECURE_LDFLAGS}" CFLAGS="${SECURE_CFLAGS}" CXXFLAGS="${SECURE_CXXFLAGS}" CFLAGS_FOR_TARGET="${SECURE_CFLAGS_FOR_TARGET}" CXXFLAGS_FOR_TARGET="${SECURE_CXXFLAGS_FOR_TARGET}"  $ROOT_TAR_SRC/$BINUTILS/$BINUTILS_DIR/configure --build=$BUILD --target=$TARGET --prefix=$PREFIX --host=$HOST --with-pkgversion="${COMPILER_INFO}" --with-sysroot=$SYSROOT --enable-plugins --enable-ld=yes --disable-gdb --libdir=$PREFIX/lib64
+make -j 32 && make install prefix=$PREFIX exec_prefix=$PREFIX libdir=$PREFIX/lib64 && popd
+
+echo "Installing kernel headers..." && pushd $ROOT_TAR_SRC/$KERNEL_HEADERS/
+mkdir -p $SYSROOT/usr/ && cp -r include $SYSROOT/usr/
+mkdir -p $SYSROOT/usr/include/bits $SYSROOT/usr/include/gnu && popd
+
+echo "Building GCC first..." && pushd $ROOT_TAR_DIR/obj/build-gcc-first
+LDFLAGS="${SECURE_LDFLAGS}" CFLAGS="${SECURE_CFLAGS}" CXXFLAGS="${SECURE_CXXFLAGS}" CFLAGS_FOR_TARGET="${SECURE_CFLAGS_FOR_TARGET}" CXXFLAGS_FOR_TARGET="${SECURE_CXXFLAGS_FOR_TARGET}"  $ROOT_TAR_SRC/$GCC/$GCC_DIR/configure --build=$BUILD --host=$HOST --target=$TARGET --prefix=$PREFIX --with-multilib-list=lp64 --disable-libmudflap --without-headers --with-newlib --enable-threads=no --disable-shared --disable-nls --with-arch=$ARCH --with-gnu-as --with-gnu-ld --enable-poison-system-directories --disable-libssp --enable-symvers=gnu --enable-__cxa_atexit --disable-libgomp --disable-libstdcxx-pch --disable-libquadmath --disable-lto --enable-languages=c --with-pkgversion="${COMPILER_INFO}" --with-gmp=$PREFIX --with-mpfr=$PREFIX --with-mpc=$PREFIX --with-isl=$PREFIX --with-sysroot=$SYSROOT --with-build-sysroot=$SYSROOT --with-build-time-tools=$PREFIX/$TARGET/bin --libdir=$PREFIX/lib64 --disable-bootstrap --disable-libatomic --disable-libcilkrts --disable-libstdcxx-dual-abi --with-system-zlib
+echo $PATH
+echo $LD_LIBRARY_PATH
+make -j 32 CPPFLAGS_FOR_TARGET=--sysroot=$SYSROOT && make install prefix=$PREFIX exec_prefix=$PREFIX libdir=$PREFIX/lib64 && popd
+
+echo "Installing eglibc headers for lp64..." && mkdir -p $SYSROOT/lib64/ $SYSROOT/usr/lib64/ && pushd "$ROOT_TAR_DIR/obj/glibc-headers-lp64"
+cp -af $ROOT_TAR_SRC/$GLIBC/$GLIBC_DIR/include/gnu/stubs.h $SYSROOT/usr/include/gnu
+CC="$PREFIX/bin/$TARGET-gcc $CFLAGS_FOR_TARGET" $ROOT_TAR_SRC/$GLIBC/$GLIBC_DIR/configure --prefix=/usr --with-headers=$SYSROOT/usr/include --build=$BUILD --host=$TARGET --enable-obsolete-rpc --disable-profile --without-gd --without-cvs --disable-multi-arch --enable-add-ons libc_cv_forced_unwind=yes libc_cv_c_cleanup=yes --enable-stack-protector=strong libc_cv_ssp=yes
+make install-bootstrap-headers=yes install-headers install_root=$SYSROOT && make -j 32 csu/subdir_lib
+cp csu/crt1.o csu/crti.o csu/crtn.o $SYSROOT/usr/lib64/
+$PREFIX/bin/$TARGET-gcc $CFLAGS_FOR_TARGET -o "$SYSROOT/usr/lib64/libc.so" -nostdlib -nostartfiles -shared -x c /dev/null && popd
+
+echo "Building GCC second..." && pushd $ROOT_TAR_DIR/obj/build-gcc-second
+LDFLAGS="${SECURE_LDFLAGS}" CFLAGS="${SECURE_CFLAGS}" CXXFLAGS="${SECURE_CXXFLAGS}" CFLAGS_FOR_TARGET="${SECURE_CFLAGS_FOR_TARGET}" CXXFLAGS_FOR_TARGET="${SECURE_CXXFLAGS_FOR_TARGET}"  $ROOT_TAR_SRC/$GCC/$GCC_DIR/configure --build=$BUILD --host=$HOST --target=$TARGET --prefix=$PREFIX --with-multilib-list=lp64 --disable-libmudflap --enable-shared --with-arch=$ARCH --enable-__cxa_atexit --with-gnu-as --with-gnu-ld --disable-nls --disable-libssp --disable-libgomp --enable-lto --disable-libquadmath --enable-poison-system-directories --enable-symvers=gnu --enable-languages=c --with-pkgversion="${COMPILER_INFO}" --with-sysroot=$SYSROOT --with-build-sysroot=$SYSROOT --with-gmp=$PREFIX --with-mpfr=$PREFIX --with-mpc=$PREFIX --with-isl=$PREFIX --with-build-time-tools=$PREFIX/$TARGET/bin --libdir=$PREFIX/lib64 --disable-bootstrap --disable-libatomic --disable-libcilkrts --disable-libstdcxx-dual-abi --with-system-zlib
+make -j 32 CPPFLAGS_FOR_TARGET=--sysroot=$SYSROOT build_tooldir=$PREFIX/$TARGET && make install-gcc install-target-libgcc prefix=$PREFIX exec_prefix=$PREFIX libdir=$PREFIX/lib64 && popd
+
+echo "Building eglibc for lp64..." && mkdir -p $SYSROOT/lib64/ $SYSROOT/usr/lib64/ && pushd $ROOT_TAR_DIR/obj/build-eglibc-lp64
+CC="$PREFIX/bin/$TARGET-gcc $CFLAGS_FOR_TARGET" CXX="$PREFIX/bin/$TARGET-g++ $CXXFLAGS_FOR_TARGET" LDFLAGS="${SECURE_LDFLAGS}" $ROOT_TAR_SRC/$GLIBC/$GLIBC_DIR/configure --prefix=/usr --with-headers=$SYSROOT/usr/include --build=$BUILD --host=$TARGET --disable-profile --without-gd --enable-obsolete-rpc --without-cvs --with-__thread --with-tls --disable-multi-arch --enable-shared --with-fp --enable-add-ons libc_cv_forced_unwind=yes libc_cv_c_cleanup=yes --libdir=/usr/lib64 --enable-stack-protector=strong libc_cv_ssp=yes
+make -j 32 && make install_root=$SYSROOT slibdir=/lib64 rtlddir=/lib64 install && popd
+
+echo "Building GCC final..." && pushd $ROOT_TAR_DIR/obj/build-gcc-final
+LDFLAGS="${SECURE_LDFLAGS}" CFLAGS="${SECURE_CFLAGS}" CXXFLAGS="${SECURE_CXXFLAGS}" CFLAGS_FOR_TARGET="${SECURE_CFLAGS_FOR_TARGET}" CXXFLAGS_FOR_TARGET="${SECURE_CXXFLAGS_FOR_TARGET}"  $ROOT_TAR_SRC/$GCC/$GCC_DIR/configure --build=$BUILD --host=$HOST --target=$TARGET --with-arch=$ARCH --prefix=$PREFIX --with-multilib-list=lp64 --enable-__cxa_atexit --with-gnu-as --with-gnu-ld --disable-libmudflap --enable-libgomp --enable-threads --enable-plugin --enable-c99 --enable-long-long --disable-nls --enable-shared --enable-poison-system-directories --enable-symvers=gnu --with-pkgversion="${COMPILER_INFO}" --enable-languages=c,c++,fortran --with-headers=$SYSROOT/usr/include --with-sysroot=$SYSROOT --with-build-sysroot=$SYSROOT --with-gmp=$PREFIX --with-mpfr=$PREFIX --with-mpc=$PREFIX --with-isl=$PREFIX --with-build-time-tools=$PREFIX/$TARGET/bin --libdir=$PREFIX/lib64 --disable-bootstrap --disable-libsanitizer --disable-libcilkrts --disable-libstdcxx-dual-abi --with-system-zlib
+make -j 32 CPPFLAGS_FOR_TARGET=--sysroot=$SYSROOT && make install prefix=$PREFIX exec_prefix=$PREFIX libdir=$PREFIX/lib64 && popd
+
+# handle rpath
+for file in $(find "$PREFIX" -name "lib*so*.0") ; do
+	chrpath --delete $file
+done
+
+pushd $PREFIX/.. && chmod 750 $INSTALL -R
+tar --format=gnu -czf $OUTPUT/$INSTALL.tar.gz $INSTALL && popd
+
+echo "Build Complete!" && echo "To use this newly-built $INSTALL cross toolchain, add $PREFIX/bin to your PATH!"
diff --git a/openeuler_gcc_arm64le/openeuler_gcc_update_sourcecode.sh b/openeuler_gcc_arm64le/openeuler_gcc_update_sourcecode.sh
new file mode 100755
index 0000000000000000000000000000000000000000..56718f89db1870c0d403fa3f8cc53503fb46f423
--- /dev/null
+++ b/openeuler_gcc_arm64le/openeuler_gcc_update_sourcecode.sh
@@ -0,0 +1,39 @@
+#!/bin/bash
+
+set -e
+set -x 
+
+readonly ROOT_TOUCH_SRC="$PWD/../../open_source"
+
+source $PWD/../config.xml
+
+#[task 002/007] touch .info files in source code for binutils
+find $ROOT_TOUCH_SRC/$BINUTILS/$BINUTILS_DIR -name "*.info"|xargs -i bash -c "touch {}"
+
+touch $ROOT_TOUCH_SRC/$BINUTILS/$BINUTILS_DIR/binutils/doc/binutils.texi
+
+find $ROOT_TOUCH_SRC/$BINUTILS/$BINUTILS_DIR -name "*.1"|xargs -i bash -c "touch {}"
+
+touch $ROOT_TOUCH_SRC/$GCC/$GCC_DIR/gcc/config/aarch64/iterators.md
+
+find $ROOT_TOUCH_SRC/$GCC/$GCC_DIR -name "*.1"|xargs -i bash -c "touch {}"
+
+find $ROOT_TOUCH_SRC/$GCC/$GCC_DIR -name "*.info"|xargs -i bash -c "touch {}"
+
+touch $ROOT_TOUCH_SRC/$GLIBC/$GLIBC_DIR/locale/programs/*-kw.h
+
+touch $ROOT_TOUCH_SRC/$MPFR/$MPFR_DIR/*.m4
+touch $ROOT_TOUCH_SRC/$MPFR/$MPFR_DIR/configure
+touch $ROOT_TOUCH_SRC/$MPFR/$MPFR_DIR/Makefile.*
+touch $ROOT_TOUCH_SRC/$MPFR/$MPFR_DIR/doc/*
+touch $ROOT_TOUCH_SRC/$GMP/$GMP_DIR/*.m4
+touch $ROOT_TOUCH_SRC/$GMP/$GMP_DIR/configure
+touch $ROOT_TOUCH_SRC/$GMP/$GMP_DIR/Makefile.*
+touch $ROOT_TOUCH_SRC/$GMP/$GMP_DIR/doc/*
+touch $ROOT_TOUCH_SRC/$MPC/$MPC_DIR/*.m4
+touch $ROOT_TOUCH_SRC/$MPC/$MPC_DIR/configure
+touch $ROOT_TOUCH_SRC/$MPC/$MPC_DIR/Makefile.*
+touch $ROOT_TOUCH_SRC/$MPC/$MPC_DIR/doc/*
+touch $ROOT_TOUCH_SRC/$ISL/$ISL_DIR/*.m4
+touch $ROOT_TOUCH_SRC/$ISL/$ISL_DIR/configure
+touch $ROOT_TOUCH_SRC/$ISL/$ISL_DIR/Makefile.*
diff --git a/openeuler_gcc_arm64le/pre_construction.sh b/openeuler_gcc_arm64le/pre_construction.sh
new file mode 100755
index 0000000000000000000000000000000000000000..e28c6ce21d76a5df1316e39b58c0daea56503cb9
--- /dev/null
+++ b/openeuler_gcc_arm64le/pre_construction.sh
@@ -0,0 +1,25 @@
+#!/bin/bash
+
+set -e
+set -x
+
+readonly ROOT_BUILD_SRC="$PWD/../../open_source"
+readonly OUTPUT_INSTALL="$PWD/../../output/openeuler_gcc_arm64le"
+
+source $PWD/../config.xml
+
+#clear history build legacy files
+clean(){
+	[ -n "$OUTPUT_INSTALL" ] && rm -rf $OUTPUT_INSTALL
+	mkdir -p $OUTPUT_INSTALL
+}
+
+#clean the build direcoty
+clean
+
+chmod 777 $ROOT_BUILD_SRC -R
+
+# Extract kernel header files
+cd $ROOT_BUILD_SRC/$LINUX_KERNEL
+make headers_install ARCH=arm64 INSTALL_HDR_PATH=$ROOT_BUILD_SRC/$KERNEL_HEADERS
+cd -