diff --git a/README.en.md b/README.en.md
index 82359d3fff39b3e07c9107700f6bea39eba48134..57964a5639c4f9f0ad06684b1f8418a362a848e5 100644
--- a/README.en.md
+++ b/README.en.md
@@ -1,7 +1,7 @@
 # gcc-cross
 
 #### Description
-GCC cross compilation tool chain currently supports x86->arm32/arm64, will continue to expand in the future.
+GCC cross compilation tool chain currently supports x86->arm32/arm64/riscv64, will continue to expand in the future.
 
 #### Software Architecture
 Software architecture description
diff --git a/build.sh b/build.sh
index 6661e15d7ab10ac44732e3817ce75f04314e0239..bb2525d7379a1a74c8281a0fdc0924466accdbda 100755
--- a/build.sh
+++ b/build.sh
@@ -48,7 +48,7 @@ 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
+if [ "$1"x = "openeuler_gcc_arm64le"x ] || [ "$1"x = "openeuler_gcc_arm32le"x ] || [ "$1"x = "openeuler_gcc_riscv64"x ]; then
 	cd $1
 elif [ "$1"x = "clean"x ] ; then
 	clean
diff --git a/gcc-cross.spec b/gcc-cross.spec
index 378f524fe2cad486e371d85df59b6ccb39ac49a2..544f7627255a8e1d26ca79fc8292488073e23b2c 100644
--- a/gcc-cross.spec
+++ b/gcc-cross.spec
@@ -1,6 +1,6 @@
 Summary: C/C++ Cross Compiler Toolchain
 Name: gcc-cross
-Version: 1.0
+Version: 1.1
 Release: 0
 # libgcc, libgfortran, libmudflap, libgomp, libstdc++ and crtstuff have
 # GCC Runtime Exception.
@@ -30,17 +30,26 @@ fi
 bash download.sh
 bash build.sh openeuler_gcc_arm64le
 bash build.sh openeuler_gcc_arm32le
+bash build.sh openeuler_gcc_riscv64
 
 %install
 mkdir -p %{buildroot}/tmp
 cp %{_builddir}/output/openeuler_gcc_arm64le/openeuler_gcc_arm64le.tar.gz %{buildroot}/tmp
 cp %{_builddir}/output/openeuler_gcc_arm32le/openeuler_gcc_arm32le.tar.gz %{buildroot}/tmp
+cp %{_builddir}/output/openeuler_gcc_riscv64/openeuler_gcc_riscv64.tar.gz %{buildroot}/tmp
 
 %files
 %attr(755, root, root) /tmp/openeuler_gcc_arm64le.tar.gz
 %attr(755, root, root) /tmp/openeuler_gcc_arm32le.tar.gz
+%attr(755, root, root) /tmp/openeuler_gcc_riscv64.tar.gz
 
 %changelog
+* Tue May 24 2022 fanglinxu <fanglinxu@huawei.com> - 1.1-0
+- Type:RISC-V
+- ID:NA
+- SUG:NA
+- DESC: add riscv64 support
+
 * Wed Mar 23 2022 dingguangya <dingguangya1@huawei.com>
 - Type:Init
 - ID:NA
diff --git a/openeuler_gcc_riscv64/build.sh b/openeuler_gcc_riscv64/build.sh
new file mode 100755
index 0000000000000000000000000000000000000000..7e401c09aa01d5e666450eaadbd6d6712fef2e4a
--- /dev/null
+++ b/openeuler_gcc_riscv64/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_riscv64_patch.log" ] && rm $LOG_PATH/openeuler_gcc_riscv64_patch.log
+[ -e "$LOG_PATH/openeuler_gcc_riscv64_build.log" ] && rm $LOG_PATH/openeuler_gcc_riscv64_build.log
+mkdir -p $LOG_PATH
+
+source pre_construction.sh &>> $LOG_PATH/openeuler_gcc_riscv64_patch.log
+
+echo "------------------------------------------"
+echo "Now building the "openeuler_gcc_riscv64" 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_riscv64_linux_release.sh &>> $LOG_PATH/openeuler_gcc_riscv64_build.log
+echo "Build openeuler_gcc_riscv64 toolchain completed!"
diff --git a/openeuler_gcc_riscv64/openeuler_gcc_riscv64_linux_release.sh b/openeuler_gcc_riscv64/openeuler_gcc_riscv64_linux_release.sh
new file mode 100755
index 0000000000000000000000000000000000000000..760869d7f3a90a1d754e79f164ab47910f601e73
--- /dev/null
+++ b/openeuler_gcc_riscv64/openeuler_gcc_riscv64_linux_release.sh
@@ -0,0 +1,107 @@
+#!/bin/bash
+
+set -e
+
+# Target root directory,should be adapted according to your environment
+readonly ROOT_TAR_DIR="$PWD/riscv64_build_dir"
+readonly ROOT_TAR_SRC="$PWD/../../open_source"
+readonly INSTALL="openeuler_gcc_riscv64"
+readonly PREFIX="$PWD/riscv64_build_dir/$INSTALL"
+readonly OUTPUT="$PWD/../../output/$INSTALL"
+
+readonly SECURE_LDFLAGS="-z relro -z now -z noexecstack"
+readonly SECURE_CFLAGS="-fPIC -O2 -Wall -fstack-protector-strong -D_FORTIFY_SOURCE=2 -Wl,-z,relro,-z,now,-z,noexecstack -Wtrampolines -fPIE"
+readonly SECURE_CXXFLAGS="-fPIC -O2 -Wall -fstack-protector-strong -D_FORTIFY_SOURCE=2 -Wl,-z,relro,-z,now,-z,noexecstack -Wtrampolines -fPIE"
+readonly SECURE_CFLAGS_FOR_TARGET="-fPIC -O2 -Wall -fstack-protector-strong -D_FORTIFY_SOURCE=2 -Wl,-z,relro,-z,now,-z,noexecstack -Wtrampolines  -march=rv64g"
+readonly SECURE_CXXFLAGS_FOR_TARGET="-fPIC -O2 -Wall -fstack-protector-strong -D_FORTIFY_SOURCE=2 -Wl,-z,relro,-z,now,-z,noexecstack -Wtrampolines -march=rv64g"
+
+readonly HOST="$(gcc -dumpmachine)"
+readonly BUILD="$(gcc -dumpmachine)"
+
+readonly SYSROOT="$PREFIX/sysroot"
+
+#OTHER CONFIG
+readonly ARCH="rv64g"
+readonly TARGET="riscv64-openeuler-linux-gnu"
+
+source $PWD/../config.xml
+
+declare -x CFLAGS_FOR_TARGET="-fPIC -O2 -Wall -fstack-protector-strong -D_FORTIFY_SOURCE=2 -Wl,-z,relro,-z,now,-z,noexecstack -Wtrampolines -march=rv64g"
+declare -x CXXFLAGS_FOR_TARGET="$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 to lib64
+sed -i "s#^\#define GLIBC_DYNAMIC_LINKER.*#\#define GLIBC_DYNAMIC_LINKER \"/lib64/ld-linux-riscv\" XLEN_SPEC \"-\" ABI_SPEC \".so.1\"#g" $ROOT_TAR_SRC/$GCC/$GCC_DIR/gcc/config/riscv/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=$PREFIX --disable-multilib --with-abi=lp64d --disable-libmudflap --without-headers --with-newlib --enable-threads=no --disable-shared --disable-nls --with-arch=$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/
+# RISC-V ABI wants to install everything in /lib64/lp64d or /usr/lib64/lp64d.
+# Make these be symlinks to /lib64 or /usr/lib64 respectively. See:
+# https://lists.fedoraproject.org/archives/list/devel@lists.fedoraproject.org/thread/DRHT5YTPK4WWVGL3GIN5BF2IKX2ODHZ3/
+pushd $SYSROOT/usr/lib64/ && ln -sf . lp64d && popd
+pushd $SYSROOT/lib64/ && ln -sf . lp64d && popd
+$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=$PREFIX --disable-multilib --with-abi=lp64d --disable-libmudflap --enable-shared --with-arch=$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 --disable-multilib --with-abi=lp64d --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 --disable-libquadmath --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=$PREFIX/lib64 --disable-bootstrap --disable-libsanitizer --disable-libcilkrts --disable-libstdcxx-dual-abi --enable-default-pie --with-system-zlib
+make -j 32 CPPFLAGS_FOR_TARGET=--sysroot=$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 $PREFIX/bin to your PATH!"
diff --git a/openeuler_gcc_riscv64/openeuler_gcc_update_sourcecode.sh b/openeuler_gcc_riscv64/openeuler_gcc_update_sourcecode.sh
new file mode 100755
index 0000000000000000000000000000000000000000..0c32fab77d0501ae873302572006676e748cdbe4
--- /dev/null
+++ b/openeuler_gcc_riscv64/openeuler_gcc_update_sourcecode.sh
@@ -0,0 +1,39 @@
+#!/bin/bash
+
+set -e
+set -x 
+
+readonly ROOT_TOUCH_SRC="$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/riscv/riscv.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/$ISL_DIR/Makefile.*
diff --git a/openeuler_gcc_riscv64/pre_construction.sh b/openeuler_gcc_riscv64/pre_construction.sh
new file mode 100755
index 0000000000000000000000000000000000000000..059e46a835c0ac5adf67caeb775e792634d06957
--- /dev/null
+++ b/openeuler_gcc_riscv64/pre_construction.sh
@@ -0,0 +1,25 @@
+#!/bin/bash
+
+set -e
+set -x
+
+readonly ROOT_BUILD_SRC="$PWD/../../open_source"
+readonly OUTPUT_INSTALL="$PWD/../../output/openeuler_gcc_riscv64"
+
+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=riscv INSTALL_HDR_PATH=$ROOT_BUILD_SRC/$KERNEL_HEADERS
+cd -