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diff_in_building_cpython_dockerfile

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FROM build-base:dev
FROM build-base:dev


# clone cpython 3.11
# clone cpython 3.11
ARG CPYTHON_COMMIT="d81182b8ec3b1593daf241d44757a9fa68fd14cc"
ARG CPYTHON_COMMIT="d81182b8ec3b1593daf241d44757a9fa68fd14cc"
RUN git clone https://github.com/python/cpython.git /opt/cpython && \
RUN git clone https://github.com/python/cpython.git /opt/cpython && \
cd /opt/cpython && git checkout ${CPYTHON_COMMIT}
cd /opt/cpython && git checkout ${CPYTHON_COMMIT}


# patch i386 python
# patch i386 python
RUN mkdir -p /opt/cpython/i386
RUN mkdir -p /opt/cpython/i386
COPY ./patches/cpython.i386.patch /opt/cpython/cpython.i386.patch
COPY ./patches/cpython.i386.patch /opt/cpython/cpython.i386.patch
RUN cd /opt/cpython && \
RUN cd /opt/cpython && \
git reset --hard && \
git reset --hard && \
git apply ./cpython.i386.patch
git apply ./cpython.i386.patch


# configure
# configure
RUN mkdir -p /opt/cpython/i386 && cd /opt/cpython/i386 && \
RUN mkdir -p /opt/cpython/i386 && cd /opt/cpython/i386 && \
../configure CFLAGS="-m32 -march=i386 -static" \
../configure CFLAGS="-m32 -march=i386 -static" \
LDFLAGS="-m32 -march=i386" \
LDFLAGS="-m32 -march=i386" \
--prefix=$(pwd)
--prefix=$(pwd) \
--with-pydebug


# build/install i386 python interpreter w/ pip
# build/install i386 python interpreter w/ pip
RUN cd /opt/cpython/i386 && make -j install
RUN cd /opt/cpython/i386 && make -j install
RUN /opt/cpython/i386/bin/python3.11 -m pip install --upgrade pip
RUN /opt/cpython/i386/bin/python3.11 -m pip install --upgrade pip


# build/install libffi-emscripten
# build/install libffi-emscripten
RUN git clone https://github.com/hoodmane/libffi-emscripten /opt/libffi-emscripten && \
RUN git clone https://github.com/hoodmane/libffi-emscripten /opt/libffi-emscripten && \
cd /opt/libffi-emscripten && git checkout 1fd79801595a43e26b65b59030a9040ba124ee24
cd /opt/libffi-emscripten && git checkout 1fd79801595a43e26b65b59030a9040ba124ee24
RUN cd /opt/libffi-emscripten && ./build.sh
RUN cd /opt/libffi-emscripten && ./build.sh
RUN mkdir -p /build/libffi-emscripten && cp -r /opt/libffi-emscripten/target/* /build/
RUN mkdir -p /build/libffi-emscripten && cp -r /opt/libffi-emscripten/target/* /build/


# build flags for the wasm python interpreter (and for builds in child containers)
# build flags for the wasm python interpreter (and for builds in child containers)
ENV CFLAGS="-pthread -O3 -static"
ENV CFLAGS="-pthread -O3 -static"
ENV LDFLAGS="-pthread \
ENV LDFLAGS="-pthread \
-s USE_ZLIB \
-s USE_ZLIB \
-s WASM_BIGINT \
-s WASM_BIGINT \
-s USE_PTHREADS \
-s USE_PTHREADS \
-s ALLOW_MEMORY_GROWTH \
-s ALLOW_MEMORY_GROWTH \
-s LLD_REPORT_UNDEFINED \
-s LLD_REPORT_UNDEFINED \
-s ERROR_ON_UNDEFINED_SYMBOLS=0 \
-s ERROR_ON_UNDEFINED_SYMBOLS=0 \
-s EXIT_RUNTIME \
-s EXIT_RUNTIME \
-lnodefs.js -s NODERAWFS -s FORCE_FILESYSTEM"
-lnodefs.js -s NODERAWFS -s FORCE_FILESYSTEM"
ENV LINKFORSHARED="${LDFLAGS}"
ENV LINKFORSHARED="${LDFLAGS}"


# patch cpython for the wasm build
# patch cpython for the wasm build
RUN mkdir -p /opt/cpython/wasm
RUN mkdir -p /opt/cpython/wasm
COPY ./patches/cpython.wasm.patch /opt/cpython/cpython.wasm.patch
COPY ./patches/cpython.wasm.patch /opt/cpython/cpython.wasm.patch
RUN cd /opt/cpython && \
RUN cd /opt/cpython && \
git reset --hard && \
git reset --hard && \
git apply ./cpython.wasm.patch
git apply ./cpython.wasm.patch


# configure
# configure
RUN cd /opt/cpython/wasm && \
RUN cd /opt/cpython/wasm && \
emconfigure ../configure \
emconfigure ../configure \
CONFIG_SITE=/opt/cpython/wasm/config.site \
CONFIG_SITE=/opt/cpython/wasm/config.site \
SHLIB_SUFFIX=".bc" \
SHLIB_SUFFIX=".bc" \
--with-static-libpython \
--with-static-libpython \
--disable-shared \
--disable-shared \
--without-ensurepip \
--without-ensurepip \
--without-pymalloc \
--without-pymalloc \
--prefix=/opt/cpython/wasm
--prefix=/opt/cpython/wasm\
--with-pydebug


# build/install the wasm interpreter (w/ NodeFS support)
# build/install the wasm interpreter (w/ NodeFS support)
RUN cd /opt/cpython/wasm && make -j install && \
RUN cd /opt/cpython/wasm && make -j install && \
cp /opt/cpython/wasm/python.wasm /opt/cpython/wasm/bin/ && \
cp /opt/cpython/wasm/python.wasm /opt/cpython/wasm/bin/ && \
cp /opt/cpython/wasm/python.worker.js /opt/cpython/wasm/bin/
cp /opt/cpython/wasm/python.worker.js /opt/cpython/wasm/bin/


# configure the i386 python interpreter to ues the wasm python configuration
# configure the i386 python interpreter to ues the wasm python configuration
# - used for eg. freezing wasm python modules
# - used for eg. freezing wasm python modules
RUN cp /opt/cpython/i386/bin/python3.11 /opt/cpython/wasm/bin/python3.11-i386
RUN cp /opt/cpython/i386/bin/python3.11 /opt/cpython/wasm/bin/python3.11-i386
RUN cp /opt/cpython/wasm/lib/python3.11/_sysconfigdata__linux_.py /opt/cpython/wasm/lib/python3.11/_sysconfigdata__linux_x86_64-linux-gnu.py
RUN cp /opt/cpython/wasm/lib/python3.11/_sysconfigdata_d_linux_.py /opt/cpython/wasm/lib/python3.11/_sysconfigdata_d_linux_x86_64-linux-gnu.py
RUN cp -r /opt/cpython/i386/lib/python3.11/lib-dynload/. /opt/cpython/wasm/lib/python3.11/lib-dynload/
RUN cp -r /opt/cpython/i386/lib/python3.11/lib-dynload/. /opt/cpython/wasm/lib/python3.11/lib-dynload/


# install pip for i386 python
# install pip for i386 python
# - i386 python wheel
# - i386 python wheel
# - used to cross-compile wasm python modules w/ source from pip
# - used to cross-compile wasm python modules w/ source from pip
RUN /opt/cpython/wasm/bin/python3.11-i386 -m ensurepip
RUN /opt/cpython/wasm/bin/python3.11-i386 -m ensurepip
RUN /opt/cpython/wasm/bin/python3.11-i386 -m pip install --upgrade pip
RUN /opt/cpython/wasm/bin/python3.11-i386 -m pip install --upgrade pip


# copy source and build output w/o the .git directory
# copy source and build output w/o the .git directory
RUN rm -rf /opt/cpython/.git && \
RUN rm -rf /opt/cpython/.git && \
cp -r /opt/cpython /build/cpython
cp -r /opt/cpython /build/cpython

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