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OrcaSlicer/deps/python3/python3.cmake
Ian Chua 7f912e7a1e fix: CI/CD build fail for arm64 windows
2026-07-03 18:41:50 +08:00

244 lines
10 KiB
CMake
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include(ProcessorCount)
ProcessorCount(NPROC)
set(_python_version "3.12.3")
string(REGEX REPLACE "^([0-9]+\\.[0-9]+)\\..*" "\\1" _python_version_short "${_python_version}")
set(_python_url "https://www.python.org/ftp/python/${_python_version}/Python-${_python_version}.tar.xz")
set(_python_sha256 "56bfef1fdfc1221ce6720e43a661e3eb41785dd914ce99698d8c7896af4bdaa1")
if(WIN32)
set(_python_patch_args
PATCH_COMMAND ${PATCH_CMD} ${CMAKE_CURRENT_LIST_DIR}/windows-api-baseline-8.1.patch
)
if(MSVC_VERSION EQUAL 1800)
set(_python_platform_toolset v120)
elseif(MSVC_VERSION EQUAL 1900)
set(_python_platform_toolset v140)
elseif(MSVC_VERSION LESS 1920)
set(_python_platform_toolset v141)
elseif(MSVC_VERSION LESS 1930)
set(_python_platform_toolset v142)
elseif(MSVC_VERSION LESS 1950)
set(_python_platform_toolset v143)
elseif(MSVC_VERSION LESS 1960)
set(_python_platform_toolset v145)
else()
message(FATAL_ERROR "Unsupported MSVC version for CPython build: ${MSVC_VERSION}")
endif()
if(CMAKE_SYSTEM_PROCESSOR MATCHES "ARM64|aarch64")
set(_python_pcbuild_platform ARM64)
set(_python_layout_arch arm64)
set(_python_pcbuild_output_dir arm64)
elseif(CMAKE_SIZEOF_VOID_P EQUAL 8)
set(_python_pcbuild_platform x64)
set(_python_layout_arch amd64)
set(_python_pcbuild_output_dir amd64)
else()
set(_python_pcbuild_platform Win32)
set(_python_layout_arch win32)
set(_python_pcbuild_output_dir win32)
endif()
set(_python_pcbuild_config Release)
set(_python_layout_debug OFF)
if(DEFINED DEP_DEBUG AND DEP_DEBUG)
set(_python_pcbuild_config Debug)
set(_python_layout_debug ON)
endif()
set(_conf_cmd
cmd /c "echo /p:PlatformToolset=${_python_platform_toolset}>PCbuild\\msbuild.rsp"
)
set(_build_cmd
${CMAKE_COMMAND} -E env "GIT_CEILING_DIRECTORIES=<SOURCE_DIR>/.."
cmd /c PCbuild\\build.bat
-p ${_python_pcbuild_platform}
-c ${_python_pcbuild_config}
--no-tkinter
)
set(_install_cmd
${CMAKE_COMMAND}
-DPYTHON_SOURCE_DIR=<SOURCE_DIR>
-DPYTHON_BUILD_DIR=<SOURCE_DIR>/PCbuild/${_python_pcbuild_output_dir}
-DPYTHON_DEST_DIR=${DESTDIR}/libpython
-DPYTHON_LAYOUT_ARCH=${_python_layout_arch}
-DPYTHON_DEBUG=${_python_layout_debug}
-P ${CMAKE_CURRENT_LIST_DIR}/stage_windows.cmake
)
elseif(APPLE)
# macOS configuration
if(CMAKE_OSX_ARCHITECTURES)
set(_python_target_arch "${CMAKE_OSX_ARCHITECTURES}")
else()
set(_python_target_arch "${CMAKE_SYSTEM_PROCESSOR}")
endif()
if(CMAKE_SYSTEM_PROCESSOR MATCHES "ARM64|arm64|aarch64")
set(_python_build_arch aarch64)
set(_python_build_arch_flag "arm64")
elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "x86_64|AMD64|amd64")
set(_python_build_arch x86_64)
set(_python_build_arch_flag "x86_64")
else()
set(_python_build_arch "${CMAKE_SYSTEM_PROCESSOR}")
set(_python_build_arch_flag "${CMAKE_SYSTEM_PROCESSOR}")
endif()
if(_python_target_arch MATCHES "ARM64|arm64|aarch64")
set(_python_host_arch aarch64)
set(_python_arch_flag "arm64")
elseif(_python_target_arch MATCHES "x86_64|AMD64|amd64")
set(_python_host_arch x86_64)
set(_python_arch_flag "x86_64")
else()
message(FATAL_ERROR "Unsupported macOS Python target architecture: ${_python_target_arch}")
endif()
set(_python_arch_flags "-arch ${_python_arch_flag} -mmacosx-version-min=${CMAKE_OSX_DEPLOYMENT_TARGET}")
# No -rpath: all other deps are static, so libpython has no shared
# dependencies to find there. headerpad reserves load-command space for
# the post-install -add_rpath below.
set(_python_ldflags "${_python_arch_flags} -Wl,-headerpad_max_install_names")
if(IS_CROSS_COMPILE)
set(_python_build_tgt --build=${_python_build_arch}-apple-darwin --host=${_python_host_arch}-apple-darwin)
set(_python_build_arch_flags "-arch ${_python_build_arch_flag} -mmacosx-version-min=${CMAKE_OSX_DEPLOYMENT_TARGET}")
set(_python_build_ldflags "${_python_build_arch_flags} -Wl,-rpath,${DESTDIR}/lib")
set(_python_build_python_dir "<SOURCE_DIR>/build-python-host")
set(_python_build_python "${_python_build_python_dir}/python")
set(_conf_cmd
/bin/sh -c
"rm -rf '${_python_build_python_dir}' && \
mkdir -p '${_python_build_python_dir}' && \
cd '${_python_build_python_dir}' && \
env \
CC='${CMAKE_C_COMPILER}' \
CXX='${CMAKE_CXX_COMPILER}' \
CFLAGS='${_python_build_arch_flags}' \
CXXFLAGS='${_python_build_arch_flags}' \
LDFLAGS='${_python_build_ldflags}' \
MACOSX_DEPLOYMENT_TARGET='${CMAKE_OSX_DEPLOYMENT_TARGET}' \
../configure \
--prefix='${_python_build_python_dir}/install' \
--enable-shared \
--without-static-libpython \
--disable-test-modules \
--build=${_python_build_arch}-apple-darwin && \
make -j${NPROC} python && \
cd '<SOURCE_DIR>' && \
env \
CC='${CMAKE_C_COMPILER}' \
CXX='${CMAKE_CXX_COMPILER}' \
CFLAGS='${_python_arch_flags}' \
CXXFLAGS='${_python_arch_flags}' \
LDFLAGS='${_python_ldflags}' \
MACOSX_DEPLOYMENT_TARGET='${CMAKE_OSX_DEPLOYMENT_TARGET}' \
./configure \
--prefix='${DESTDIR}/libpython' \
--enable-shared \
--enable-optimizations \
--without-static-libpython \
--with-openssl='${DESTDIR}' \
--disable-test-modules \
${_python_build_tgt} \
--with-build-python='${_python_build_python}' \
py_cv_module__tkinter=n/a"
)
else()
set(_python_build_tgt --build=${_python_host_arch}-apple-darwin)
set(_conf_cmd
env
"CC=${CMAKE_C_COMPILER}"
"CXX=${CMAKE_CXX_COMPILER}"
"CFLAGS=${_python_arch_flags}"
"CXXFLAGS=${_python_arch_flags}"
"LDFLAGS=${_python_ldflags}"
"MACOSX_DEPLOYMENT_TARGET=${CMAKE_OSX_DEPLOYMENT_TARGET}"
./configure
--prefix=${DESTDIR}/libpython
--enable-shared
--enable-optimizations
--without-static-libpython
--with-openssl=${DESTDIR}
--disable-test-modules
${_python_build_tgt}
# Tcl/Tk 9.0 (e.g. from Homebrew) is incompatible with CPython 3.12's
# _tkinter; OrcaSlicer's embedded Python does not need tkinter anyway.
py_cv_module__tkinter=n/a
)
endif()
set(_build_cmd make -j${NPROC})
# CPython stamps libpython with an absolute install name ($prefix/lib/...),
# which every consumer inherits at link time and which only exists on the
# build host. Normalize once here, before anything links against the dep:
# give the dylib an @rpath id and teach the interpreter to find it relative
# to itself. Consumers then just need an rpath entry (src/CMakeLists.txt).
# install_name_tool invalidates code signatures, so re-sign ad-hoc; CI
# re-signs the whole bundle with the real identity later.
# ld collapses '//' in -install_name (but not in -rpath) strings, while
# ${DESTDIR} ends with a slash -- collapse slashes so -change matches the
# recorded install name.
string(REGEX REPLACE "/+" "/" _python_prefix "${DESTDIR}/libpython")
set(_python_dylib "${_python_prefix}/lib/libpython${_python_version_short}.dylib")
set(_python_bin "${_python_prefix}/bin/python${_python_version_short}")
set(_install_cmd make install
COMMAND install_name_tool -id "@rpath/libpython${_python_version_short}.dylib" "${_python_dylib}"
COMMAND install_name_tool -change "${_python_dylib}" "@rpath/libpython${_python_version_short}.dylib" "${_python_bin}"
COMMAND install_name_tool -add_rpath "@loader_path/../lib" "${_python_bin}"
COMMAND codesign --force --sign - "${_python_dylib}"
COMMAND codesign --force --sign - "${_python_bin}"
)
else()
# Linux/Unix
# Kept verbatim, no slash normalization (unlike the macOS branch's
# collapsed copy): the LDFLAGS rpath below is recorded byte-for-byte in
# the ELF, and the OLD_RPATH handed to relocate_linux.cmake must match it
# exactly -- both derive from this one variable to make that structural.
set(_python_prefix "${DESTDIR}/libpython")
# The rpath points at libpython's real install dir, so the interpreter runs
# in-tree pre-relocation -- and, critically, it reserves enough RUNPATH
# bytes for the in-place $ORIGIN rewrite at install time (Flatpak's
# DESTDIR is the short /app) -- see relocate_linux.cmake.
set(_conf_cmd ./configure
--prefix=${_python_prefix}
--enable-shared
--enable-optimizations
--with-openssl=${DESTDIR}
--without-static-libpython
--disable-test-modules
# Tcl/Tk 9.0 is incompatible with CPython 3.12's _tkinter; not needed here.
py_cv_module__tkinter=n/a
LDFLAGS=-Wl,-rpath,${_python_prefix}/lib
)
set(_build_cmd make -j${NPROC})
set(_install_cmd make install
COMMAND ${CMAKE_COMMAND}
"-DPYTHON_BIN=${_python_prefix}/bin/python${_python_version_short}"
"-DOLD_RPATH=${_python_prefix}/lib"
-P "${CMAKE_CURRENT_LIST_DIR}/relocate_linux.cmake"
)
endif()
ExternalProject_Add(dep_python3
URL "${_python_url}"
URL_HASH SHA256=${_python_sha256}
DOWNLOAD_DIR ${DEP_DOWNLOAD_DIR}/python3
${_python_patch_args}
BUILD_IN_SOURCE ON
CONFIGURE_COMMAND ${_conf_cmd}
BUILD_COMMAND ${_build_cmd}
INSTALL_COMMAND ${_install_cmd}
)
# Python depends on OpenSSL and ZLIB
if(TARGET dep_OpenSSL)
add_dependencies(dep_python3 dep_OpenSSL)
endif()
if(TARGET dep_ZLIB)
add_dependencies(dep_python3 dep_ZLIB)
endif()
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