Quelle build-cpython.sh Sprache: Shell

#!/bin/sh
# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, You can obtain one at http://mozilla.org/MPL/2.0/.
#
# This script builds the official interpreter for the python language,
# while also packing in a few default extra packages.

set -e
set -x

# Required fetch artifact
clang_bindir=${MOZ_FETCHES_DIR}/clang/bin
clang_libdir=${MOZ_FETCHES_DIR}/clang/lib
python_src=${MOZ_FETCHES_DIR}/cpython-source
xz_prefix=${MOZ_FETCHES_DIR}/xz

# Make the compiler-rt available to clang.
env UPLOAD_DIR= $GECKO_PATH/taskcluster/scripts/misc/repack-clang.sh

# Extra setup per platform
case `uname -s` in
    Darwin)
        # Use taskcluster clang instead of host compiler on OSX
        export PATH=${clang_bindir}:${PATH}
        export CC=clang
        export CXX=clang++
        export LDFLAGS=-fuse-ld=lld

        case `uname -m` in
            aarch64)
                macosx_version_min=11.0
                ;;
            *)
                macosx_version_min=10.12
                ;;
        esac
        macosx_sdk=14.4
        # NOTE: both CFLAGS and CPPFLAGS need to be set here, otherwise
        # configure step fails.
        sysroot_flags="-isysroot ${MOZ_FETCHES_DIR}/MacOSX${macosx_sdk}.sdk -mmacosx-version-min=${macosx_version_min}"
        export CPPFLAGS="${sysroot_flags} -I${xz_prefix}/include"
        export CFLAGS=${sysroot_flags}
        export LDFLAGS="${LDFLAGS} ${sysroot_flags} -L${xz_prefix}/lib"
        configure_flags_extra=--with-openssl=/usr/local/opt/openssl

        # see https://bugs.python.org/issue22490
        unset __PYVENV_LAUNCHER__

        # see https://bugs.python.org/issue44065
        sed -i -e 's,$CC --print-multiarch,:,' ${python_src}/configure
        export LDFLAGS="${LDFLAGS} -Wl,-rpath -Wl,@loader_path/../.."
        ;;
    Linux)
        # Use host gcc on Linux
        export LDFLAGS="${LDFLAGS} -Wl,-rpath,\\\$ORIGIN/../.."
        ;;
esac

# Patch Python to honor MOZPYTHONHOME instead of PYTHONHOME. That way we have a
# relocatable python for free, while not interfering with the system Python that
# already honors PYTHONHOME.
find ${python_src} -type f -print0 | xargs -0 perl -i -pe "s,PYTHONHOME,MOZPYTHONHOME,g"

# Actual build
work_dir=`pwd`
tardir=python

cd `mktemp -d`
${python_src}/configure --prefix=/${tardir} --enable-optimizations --with-lto ${configure_flags_extra} || { exit_status=$? && cat config.log && exit $exit_status ; }

export MAKEFLAGS=-j`nproc`
make
make DESTDIR=${work_dir} install
cd ${work_dir}

${work_dir}/python/bin/python3 -m pip install --upgrade pip==23.0
${work_dir}/python/bin/python3 -m pip install -r ${GECKO_PATH}/build/psutil_requirements.txt -r ${GECKO_PATH}/build/zstandard_requirements.txt

case `uname -s` in
    Darwin)

        cp /usr/local/opt/openssl/lib/libssl*.dylib ${work_dir}/python/lib/
        cp /usr/local/opt/openssl/lib/libcrypto*.dylib ${work_dir}/python/lib/
        cp ${xz_prefix}/lib/liblzma.dylib ${work_dir}/python/lib/

        # Instruct the loader to search for the lib in rpath instead of the one used during linking
        install_name_tool -change /usr/local/opt/openssl@1.1/lib/libssl.1.1.dylib @rpath/libssl.1.1.dylib ${work_dir}/python/lib/python3.*/lib-dynload/_ssl.cpython-3*-darwin.so
        install_name_tool -change /usr/local/opt/openssl@1.1/lib/libcrypto.1.1.dylib @rpath/libcrypto.1.1.dylib ${work_dir}/python/lib/python3.*/lib-dynload/_ssl.cpython-3*-darwin.so
        otool -L ${work_dir}/python/lib/python3.*/lib-dynload/_ssl.cpython-3*-darwin.so | grep @rpath/libssl.1.1.dylib

        install_name_tool -change /xz/lib/liblzma.5.dylib @rpath/liblzma.5.dylib ${work_dir}/python/lib/python3.*/lib-dynload/_lzma.cpython-3*-darwin.so
        otool -L ${work_dir}/python/lib/python3.*/lib-dynload/_lzma.cpython-3*-darwin.so | grep @rpath/liblzma.5.dylib

        # Also modify the shipped libssl to use the shipped libcrypto
        install_name_tool -change /usr/local/Cellar/openssl@1.1/1.1.1h/lib/libcrypto.1.1.dylib @rpath/libcrypto.1.1.dylib ${work_dir}/python/lib/libssl.1.1.dylib
        otool -L ${work_dir}/python/lib/libssl.1.1.dylib | grep @rpath/libcrypto.1.1.dylib

        # sanity check
        ${work_dir}/python/bin/python3 -c "import ssl"
        ${work_dir}/python/bin/python3 -c "import lzma"

        # We may not have access to system certificate on OSX
        ${work_dir}/python/bin/python3 -m pip install certifi==2024.2.2
        ;;
    Linux)
        cp /usr/lib/$(uname -m)-linux-gnu/libffi.so.* ${work_dir}/python/lib/
        cp /usr/lib/$(uname -m)-linux-gnu/libssl.so.* ${work_dir}/python/lib/
        cp /usr/lib/$(uname -m)-linux-gnu/libcrypto.so.* ${work_dir}/python/lib/
        cp /lib/$(uname -m)-linux-gnu/libncursesw.so.* ${work_dir}/python/lib/
        cp /lib/$(uname -m)-linux-gnu/libtinfo.so.* ${work_dir}/python/lib/
        ;;
esac

$(dirname $0)/pack.sh ${tardir}

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