build: add cross compile docker (#1156)

* build: add cross compile docker

* build: added compile python to github action

* fix: correct path

* fix: Python Compile

* fix: run mulitple cmds

* fix: both cross compile docker file&github action

* refactor: compile-python.sh

* chore: put wget install together

* fix: CR advices

* chore: add `-F pyo3_backend`

docker/aarch64/compile-python.sh

@@ -0,0 +1,46 @@
+# this script will download Python source code, compile it, and install it to /usr/local/lib
+# then use this python to compile cross-compiled python for aarch64
+
+wget https://www.python.org/ftp/python/3.10.10/Python-3.10.10.tgz
+tar -xvf Python-3.10.10.tgz
+cd Python-3.10.10
+# explain Python compile options here a bit:s
+# --enable-shared: enable building a shared Python library (default is no) but we do need it for calling from rust
+# CC, CXX, AR, LD, RANLIB: set the compiler, archiver, linker, and ranlib programs to use
+# build: the machine you are building on, host: the machine you will run the compiled program on
+# --with-system-ffi: build _ctypes module using an installed ffi library, see Doc/library/ctypes.rst, not used in here TODO: could remove
+# ac_cv_pthread_is_default=no ac_cv_pthread=yes ac_cv_cxx_thread=yes:
+# allow cross-compiled python to have -pthread set for CXX, see https://github.com/python/cpython/pull/22525
+# ac_cv_have_long_long_format=yes: target platform supports long long type
+# disable-ipv6: disable ipv6 support, we don't need it in here
+# ac_cv_file__dev_ptmx=no ac_cv_file__dev_ptc=no: disable pty support, we don't need it in here
+
+# Build local python first, then build cross-compiled python.
+./configure \
+--enable-shared \
+ac_cv_pthread_is_default=no ac_cv_pthread=yes ac_cv_cxx_thread=yes \
+ac_cv_have_long_long_format=yes \
+--disable-ipv6 ac_cv_file__dev_ptmx=no ac_cv_file__dev_ptc=no && \
+make
+make install
+cd ..
+export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:/usr/local/lib/
+export LIBRARY_PATH=$LIBRARY_PATH:/usr/local/lib/
+export PY_INSTALL_PATH=${PWD}/python_arm64_build
+cd Python-3.10.10 && \
+make clean && \
+make distclean && \
+alias python=python3 && \
+./configure --build=x86_64-linux-gnu --host=aarch64-linux-gnu \
+--prefix=$PY_INSTALL_PATH --enable-optimizations \
+CC=aarch64-linux-gnu-gcc \
+CXX=aarch64-linux-gnu-g++ \
+AR=aarch64-linux-gnu-ar \
+LD=aarch64-linux-gnu-ld \
+RANLIB=aarch64-linux-gnu-ranlib \
+--enable-shared \
+ac_cv_pthread_is_default=no ac_cv_pthread=yes ac_cv_cxx_thread=yes \
+ac_cv_have_long_long_format=yes \
+--disable-ipv6 ac_cv_file__dev_ptmx=no ac_cv_file__dev_ptc=no && \
+make && make altinstall && \
+cd ..