Add manylinux2014-aarch64 with gcc=9.3

manylinux2014-aarch64/xc_script/docker_setup_scrpits/prepare_cross_env.sh

@@ -0,0 +1,113 @@
+#!/bin/bash
+
+# AUTHOR: odidev
+# DATE: 2021-07-20
+# DESCRIPTION: This file intended to cross compile the python and create necessary
+#              crossenv enrironment
+
+# The current env is not compatible to build python so resetting it as
+# in quay.io/pypa/manylinux2014_x86_64 containers
+unset $(env | awk -F= '{print $1}')
+export SSL_CERT_FILE=/opt/_internal/certs.pem
+export TERM=xterm
+export LC_ALL=en_US.UTF-8
+export LD_LIBRARY_PATH=/opt/rh/devtoolset-9/root/usr/lib64:/opt/rh/devtoolset-9/root/usr/lib:/opt/rh/devtoolset-9/root/usr/lib64/dyninst:/opt/rh/devtoolset-9/root/usr/lib/dyninst:/usr/local/lib64
+export PATH=/opt/rh/devtoolset-9/root/usr/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin
+export PWD=/work
+export LANG=en_US.UTF-8
+export AUDITWHEEL_ARCH=x86_64
+export DEVTOOLSET_ROOTPATH=/opt/rh/devtoolset-9/root
+export HOME=/root
+export SHLVL=1
+export LANGUAGE=en_US.UTF-8
+export AUDITWHEEL_PLAT=manylinux2014_aarch64
+export PKG_CONFIG_PATH=/usr/local/lib/pkgconfig
+export AUDITWHEEL_POLICY=manylinux2014
+
+# Cross compile Python versions present in manylinux containers
+declare -A buildpy
+python_vers=""
+
+for PY in /opt/python/cp*/bin/python; do
+    ver=`$PY --version | cut -d " " -f 2`
+    python_vers="${python_vers} ${ver}"
+    cpver=cp`echo ${ver} | cut -d "." -f 1-2 | sed 's/\.//'`
+    if [ ${cpver} = "cp36" ] || [ ${cpver} = "cp37" ]; then
+        cpver="${cpver}-${cpver}m"
+    else
+        cpver="${cpver}-${cpver}"
+    fi
+    buildpy[${ver}]=${cpver}
+done
+
+
+# Adding cross compiler path in PATH env variable
+export PATH=/usr/xcc/aarch64-unknown-linux-gnueabi/bin:$PATH
+
+OLD_PATH=$PATH
+CROSS_PY_BASE=/opt/_internal
+CROSS_PY_BASE_LN=/opt/python
+BUILD_DIR=/tmp/builds
+LN=ln
+sub_rel=""
+
+# Loop over each python version and cross compile it
+for python_ver in $python_vers; do
+    rel=""
+    sub_rel=""
+    found_sub_rel=0
+    for i in ` seq ${#python_ver}`
+    do
+        c=${python_ver:$i-1:1}
+        if [[ ${c} == [a-zA-Z] ]] ; then
+            found_sub_rel=1
+        fi
+        if [[ $found_sub_rel == "0" ]]; then
+            rel=${rel}${c}
+        else
+            sub_rel=${sub_rel}${c}
+        fi
+    done
+
+    mkdir -p ${BUILD_DIR} && cd ${BUILD_DIR}
+    wget https://www.python.org/ftp/python/${rel}/Python-${rel}${sub_rel}.tgz
+    tar xzf Python-${rel}${sub_rel}.tgz
+    cd Python-${rel}${sub_rel}
+
+    # Setting up build python path required by crassenv
+    BUILD_PYBIN=${CROSS_PY_BASE_LN}/${buildpy[$python_ver]}/bin
+    BUILD_PIP=${BUILD_PYBIN}/pip3
+    BUILD_PYTHON=${BUILD_PYBIN}/python3
+
+    # Setting up target python required by crossenv
+    TARGET_PYPATH=${CROSS_PY_BASE}/xc/xcpython-${python_ver}
+    TARGET_PYTHON=${TARGET_PYPATH}/bin/python3
+
+    # Setting up cross env path
+    CROSS_ENV=${CROSS_PY_BASE}/${buildpy[$python_ver]}-xc
+    CROSS_ENV_LN=${CROSS_PY_BASE_LN}/${buildpy[$python_ver]}-xc
+    CROSS_ENV_PIP=${CROSS_ENV_LN}/cross/bin/pip
+
+    # Adding build python path as it is required to
+    # configure the python for cross compilation
+    PATH=${BUILD_PYBIN}:${OLD_PATH}
+    export PATH
+
+    ./configure --prefix=${TARGET_PYPATH} \
+                --host=aarch64-unknown-linux-gnueabi \
+                --build=x86_64-linux-gnu \
+                --without-ensurepip \
+                ac_cv_buggy_getaddrinfo=no \
+                ac_cv_file__dev_ptmx=yes \
+                ac_cv_file__dev_ptc=no \
+                --enable-optimizations
+    make -j32 install
+    make install
+
+    # Create the necessary env and its link
+    ${BUILD_PIP} install --upgrade pip crossenv
+    ${BUILD_PYTHON} -m crossenv ${TARGET_PYTHON} ${CROSS_ENV}
+    ${LN} -s  ${CROSS_ENV} ${CROSS_ENV_LN}
+    ${CROSS_ENV_PIP} install wheel
+    rm -rf ${BUILD_DIR}
+done