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Add buildroot 2018-02
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Pascal Vizeli
307
buildroot/package/python3/python3.mk
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307
buildroot/package/python3/python3.mk
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################################################################################
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#
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# python3
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#
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################################################################################
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PYTHON3_VERSION_MAJOR = 3.6
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PYTHON3_VERSION = $(PYTHON3_VERSION_MAJOR).3
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PYTHON3_SOURCE = Python-$(PYTHON3_VERSION).tar.xz
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PYTHON3_SITE = https://python.org/ftp/python/$(PYTHON3_VERSION)
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PYTHON3_LICENSE = Python-2.0, others
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PYTHON3_LICENSE_FILES = LICENSE
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# Python itself doesn't use libtool, but it includes the source code
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# of libffi, which uses libtool. Unfortunately, it uses a beta version
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# of libtool for which we don't have a matching patch. However, this
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# is not a problem, because we don't use the libffi copy included in
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# the Python sources, but instead use an external libffi library.
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PYTHON3_LIBTOOL_PATCH = NO
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# This host Python is installed in $(HOST_DIR), as it is needed when
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# cross-compiling third-party Python modules.
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HOST_PYTHON3_CONF_OPTS += \
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--without-ensurepip \
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--without-cxx-main \
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--disable-sqlite3 \
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--disable-tk \
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--with-expat=system \
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--disable-curses \
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--disable-codecs-cjk \
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--disable-nis \
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--enable-unicodedata \
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--disable-test-modules \
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--disable-idle3 \
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--disable-ossaudiodev \
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--disable-openssl
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# Make sure that LD_LIBRARY_PATH overrides -rpath.
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# This is needed because libpython may be installed at the same time that
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# python is called.
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# Make python believe we don't have 'hg', so that it doesn't try to
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# communicate over the network during the build.
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HOST_PYTHON3_CONF_ENV += \
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LDFLAGS="$(HOST_LDFLAGS) -Wl,--enable-new-dtags" \
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ac_cv_prog_HAS_HG=/bin/false
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PYTHON3_DEPENDENCIES = host-python3 libffi
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HOST_PYTHON3_DEPENDENCIES = host-expat host-zlib
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PYTHON3_INSTALL_STAGING = YES
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ifeq ($(BR2_PACKAGE_PYTHON3_READLINE),y)
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PYTHON3_DEPENDENCIES += readline
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else
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PYTHON3_CONF_OPTS += --disable-readline
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endif
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ifeq ($(BR2_PACKAGE_PYTHON3_CURSES),y)
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PYTHON3_DEPENDENCIES += ncurses
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else
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PYTHON3_CONF_OPTS += --disable-curses
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endif
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ifeq ($(BR2_PACKAGE_PYTHON3_DECIMAL),y)
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PYTHON3_DEPENDENCIES += mpdecimal
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PYTHON3_CONF_OPTS += --with-libmpdec=system
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else
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PYTHON3_CONF_OPTS += --with-libmpdec=none
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endif
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ifeq ($(BR2_PACKAGE_PYTHON3_PYEXPAT),y)
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PYTHON3_DEPENDENCIES += expat
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PYTHON3_CONF_OPTS += --with-expat=system
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else
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PYTHON3_CONF_OPTS += --with-expat=none
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endif
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ifeq ($(BR2_PACKAGE_PYTHON3_PYC_ONLY),y)
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PYTHON3_CONF_OPTS += --enable-old-stdlib-cache
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endif
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ifeq ($(BR2_PACKAGE_PYTHON3_SQLITE),y)
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PYTHON3_DEPENDENCIES += sqlite
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else
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PYTHON3_CONF_OPTS += --disable-sqlite3
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endif
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ifeq ($(BR2_PACKAGE_PYTHON3_SSL),y)
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PYTHON3_DEPENDENCIES += openssl
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else
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PYTHON3_CONF_OPTS += --disable-openssl
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endif
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ifneq ($(BR2_PACKAGE_PYTHON3_CODECSCJK),y)
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PYTHON3_CONF_OPTS += --disable-codecs-cjk
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endif
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ifneq ($(BR2_PACKAGE_PYTHON3_UNICODEDATA),y)
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PYTHON3_CONF_OPTS += --disable-unicodedata
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endif
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ifeq ($(BR2_PACKAGE_PYTHON3_BZIP2),y)
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PYTHON3_DEPENDENCIES += bzip2
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else
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PYTHON3_CONF_OPTS += --disable-bzip2
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endif
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ifeq ($(BR2_PACKAGE_PYTHON3_XZ),y)
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PYTHON3_DEPENDENCIES += xz
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else
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PYTHON3_CONF_OPTS += --disable-xz
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endif
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ifeq ($(BR2_PACKAGE_PYTHON3_ZLIB),y)
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PYTHON3_DEPENDENCIES += zlib
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else
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PYTHON3_CONF_OPTS += --disable-zlib
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endif
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ifeq ($(BR2_PACKAGE_PYTHON3_OSSAUDIODEV),y)
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PYTHON3_CONF_OPTS += --enable-ossaudiodev
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else
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PYTHON3_CONF_OPTS += --disable-ossaudiodev
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endif
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# Make python believe we don't have 'hg', so that it doesn't try to
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# communicate over the network during the build.
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PYTHON3_CONF_ENV += \
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ac_cv_have_long_long_format=yes \
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ac_cv_file__dev_ptmx=yes \
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ac_cv_file__dev_ptc=yes \
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ac_cv_working_tzset=yes \
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ac_cv_prog_HAS_HG=/bin/false
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# GCC is always compliant with IEEE754
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ifeq ($(BR2_ENDIAN),"LITTLE")
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PYTHON3_CONF_ENV += ac_cv_little_endian_double=yes
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else
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PYTHON3_CONF_ENV += ac_cv_big_endian_double=yes
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endif
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# uClibc is known to have a broken wcsftime() implementation, so tell
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# Python 3 to fall back to strftime() instead.
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ifeq ($(BR2_TOOLCHAIN_USES_UCLIBC),y)
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PYTHON3_CONF_ENV += ac_cv_func_wcsftime=no
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endif
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PYTHON3_CONF_OPTS += \
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--without-ensurepip \
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--without-cxx-main \
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--with-system-ffi \
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--disable-pydoc \
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--disable-test-modules \
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--disable-lib2to3 \
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--disable-tk \
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--disable-nis \
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--disable-idle3 \
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--disable-pyc-build
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#
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# Some of CPython's source code is generated using Python interpreter
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# and some helper tools such as "Programs/_freeze_importlib" or
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# "Parser/pgen" (look for regen-* targets in Makefile.pre.in for more
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# info). Normally CPython codebase ships with those files
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# pre-generated, so just regular "make" with no additional steps
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# should be sufficient for a succesfull build, however due to
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# Buildroot's "Add importlib fix for PEP 3147 issue" custom patch we
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# end up modifying "Lib/importlib/_bootstrap_external.py" which means
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# we have to do "regen-importlib" step before building CPython
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# (Importlib is a builtin module that needs to be "frozen"/converted
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# to a C array of bytecode using "Programs/_freeze_importlib")
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#
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# To achive that we add pre-build steps to host-python3 as well as
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# python3 that execute "regen-importlib" target.
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#
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# Unfortunately, for the target Python, "Programs/_freeze_importlib"
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# is built for the target, while we need to run them at build time. So
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# when installing host-python3, we copy them to $(HOST_DIR)/bin...
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#
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define HOST_PYTHON3_MAKE_REGEN_IMPORTLIB
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$(HOST_MAKE_ENV) $(PYTHON3_CONF_ENV) $(MAKE) $(HOST_CONFIGURE_OPTS) -C $(@D) regen-importlib
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cp $(@D)/Programs/_freeze_importlib $(HOST_DIR)/bin/python-freeze-importlib
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endef
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HOST_PYTHON3_PRE_BUILD_HOOKS += HOST_PYTHON3_MAKE_REGEN_IMPORTLIB
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#
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# ... And then, when building the target python we first buid
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# 'Programs/_freeze_importlib' to force GNU Make to update all of the
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# prerequisites of 'Programs/_freeze_importlib', then copy our stashed
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# "host-usable" version over the one that was just build and then
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# build "regen-importlib" target
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#
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define PYTHON3_MAKE_REGEN_IMPORTLIB
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$(TARGET_MAKE_ENV) $(PYTHON3_CONF_ENV) $(MAKE) $(TARGET_CONFIGURE_OPTS) -C $(@D) Programs/_freeze_importlib
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cp $(HOST_DIR)/bin/python-freeze-importlib $(@D)/Programs/_freeze_importlib
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$(TARGET_MAKE_ENV) $(PYTHON3_CONF_ENV) $(MAKE) $(TARGET_CONFIGURE_OPTS) -C $(@D) regen-importlib
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endef
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PYTHON3_PRE_BUILD_HOOKS += PYTHON3_MAKE_REGEN_IMPORTLIB
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#
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# Remove useless files. In the config/ directory, only the Makefile
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# and the pyconfig.h files are needed at runtime.
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#
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define PYTHON3_REMOVE_USELESS_FILES
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rm -f $(TARGET_DIR)/usr/bin/python$(PYTHON3_VERSION_MAJOR)-config
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rm -f $(TARGET_DIR)/usr/bin/python$(PYTHON3_VERSION_MAJOR)m-config
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rm -f $(TARGET_DIR)/usr/bin/python3-config
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rm -f $(TARGET_DIR)/usr/bin/smtpd.py.3
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for i in `find $(TARGET_DIR)/usr/lib/python$(PYTHON3_VERSION_MAJOR)/config-$(PYTHON3_VERSION_MAJOR)m/ \
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-type f -not -name pyconfig.h -a -not -name Makefile` ; do \
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rm -f $$i ; \
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done
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rm -rf $(TARGET_DIR)/usr/lib/python$(PYTHON3_VERSION_MAJOR)/__pycache__/
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rm -rf $(TARGET_DIR)/usr/lib/python$(PYTHON3_VERSION_MAJOR)/lib-dynload/sysconfigdata/__pycache__
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rm -rf $(TARGET_DIR)/usr/lib/python$(PYTHON3_VERSION_MAJOR)/collections/__pycache__
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rm -rf $(TARGET_DIR)/usr/lib/python$(PYTHON3_VERSION_MAJOR)/importlib/__pycache__
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endef
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PYTHON3_POST_INSTALL_TARGET_HOOKS += PYTHON3_REMOVE_USELESS_FILES
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#
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# Make sure libpython gets stripped out on target
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#
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define PYTHON3_ENSURE_LIBPYTHON_STRIPPED
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chmod u+w $(TARGET_DIR)/usr/lib/libpython$(PYTHON3_VERSION_MAJOR)*.so
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endef
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PYTHON3_POST_INSTALL_TARGET_HOOKS += PYTHON3_ENSURE_LIBPYTHON_STRIPPED
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PYTHON3_AUTORECONF = YES
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define PYTHON3_INSTALL_SYMLINK
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ln -fs python3 $(TARGET_DIR)/usr/bin/python
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endef
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ifneq ($(BR2_PACKAGE_PYTHON),y)
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PYTHON3_POST_INSTALL_TARGET_HOOKS += PYTHON3_INSTALL_SYMLINK
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endif
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# Some packages may have build scripts requiring python3, whatever is the
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# python version chosen for the target.
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# Only install the python symlink in the host tree if python3 is enabled
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# for the target.
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ifeq ($(BR2_PACKAGE_PYTHON3),y)
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define HOST_PYTHON3_INSTALL_SYMLINK
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ln -fs python3 $(HOST_DIR)/bin/python
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ln -fs python3-config $(HOST_DIR)/bin/python-config
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endef
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HOST_PYTHON3_POST_INSTALL_HOOKS += HOST_PYTHON3_INSTALL_SYMLINK
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endif
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# Provided to other packages
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PYTHON3_PATH = $(TARGET_DIR)/usr/lib/python$(PYTHON3_VERSION_MAJOR)/
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$(eval $(autotools-package))
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$(eval $(host-autotools-package))
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ifeq ($(BR2_REPRODUCIBLE),y)
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define PYTHON3_FIX_TIME
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find $(TARGET_DIR)/usr/lib/python$(PYTHON3_VERSION_MAJOR) -name '*.py' -print0 | \
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xargs -0 --no-run-if-empty touch -d @$(SOURCE_DATE_EPOCH)
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endef
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endif
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define PYTHON3_CREATE_PYC_FILES
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$(PYTHON3_FIX_TIME)
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PYTHONPATH="$(PYTHON3_PATH)" \
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cd $(TARGET_DIR) && $(HOST_DIR)/bin/python$(PYTHON3_VERSION_MAJOR) \
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$(TOPDIR)/support/scripts/pycompile.py \
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$(if $(BR2_REPRODUCIBLE),--force) \
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usr/lib/python$(PYTHON3_VERSION_MAJOR)
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endef
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ifeq ($(BR2_PACKAGE_PYTHON3_PYC_ONLY)$(BR2_PACKAGE_PYTHON3_PY_PYC),y)
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PYTHON3_TARGET_FINALIZE_HOOKS += PYTHON3_CREATE_PYC_FILES
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endif
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ifeq ($(BR2_PACKAGE_PYTHON3_PYC_ONLY),y)
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define PYTHON3_REMOVE_PY_FILES
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find $(TARGET_DIR)/usr/lib/python$(PYTHON3_VERSION_MAJOR) -name '*.py' -print0 | \
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xargs -0 --no-run-if-empty rm -f
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endef
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PYTHON3_TARGET_FINALIZE_HOOKS += PYTHON3_REMOVE_PY_FILES
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endif
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# Normally, *.pyc files should not have been compiled, but just in
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# case, we make sure we remove all of them.
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ifeq ($(BR2_PACKAGE_PYTHON3_PY_ONLY),y)
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define PYTHON3_REMOVE_PYC_FILES
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find $(TARGET_DIR)/usr/lib/python$(PYTHON3_VERSION_MAJOR) -name '*.pyc' -print0 | \
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xargs -0 --no-run-if-empty rm -f
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endef
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PYTHON3_TARGET_FINALIZE_HOOKS += PYTHON3_REMOVE_PYC_FILES
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endif
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# In all cases, we don't want to keep the optimized .opt-1.pyc and
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# .opt-2.pyc files, since they can't work without their non-optimized
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# variant.
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define PYTHON3_REMOVE_OPTIMIZED_PYC_FILES
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find $(TARGET_DIR)/usr/lib/python$(PYTHON3_VERSION_MAJOR) -name '*.opt-1.pyc' -print0 -o -name '*.opt-2.pyc' -print0 | \
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xargs -0 --no-run-if-empty rm -f
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endef
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PYTHON3_TARGET_FINALIZE_HOOKS += PYTHON3_REMOVE_OPTIMIZED_PYC_FILES
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