ce0f19e5f6
The __pycache__ directories are only needed on PEP3147-enabled installations, which is not the choice Buildroot has made. However, during the build process of the target Python, the separation between the target and host Python is not entirely complete, and starting the host Python to byte-compile the target Python modules triggers the compilation of a bunch of __pycache__ directories by the host Python, which uses a PEP 3147 installation. For now, simply get rid of those useless directories after the installation of Python is completed. In the long term, it would be good to achieve a better isolation between the host and target build to avoid this issue. Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
190 lines
5.4 KiB
Makefile
190 lines
5.4 KiB
Makefile
################################################################################
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#
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# python3
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#
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################################################################################
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PYTHON3_VERSION_MAJOR = 3.4
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PYTHON3_VERSION = $(PYTHON3_VERSION_MAJOR).1
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PYTHON3_SOURCE = Python-$(PYTHON3_VERSION).tar.xz
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PYTHON3_SITE = http://python.org/ftp/python/$(PYTHON3_VERSION)
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PYTHON3_LICENSE = Python software foundation license v2, others
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PYTHON3_LICENSE_FILES = LICENSE
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# Python needs itself and a "pgen" program to build itself, both being
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# provided in the Python sources. So in order to cross-compile Python,
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# we need to build a host Python first. This host Python is also
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# installed in $(HOST_DIR), as it is needed when cross-compiling
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# third-party Python modules.
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HOST_PYTHON3_CONF_OPTS += \
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--without-ensurepip \
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--without-cxx-main \
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--disable-sqlite3 \
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--disable-tk \
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--with-expat=system \
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--disable-curses \
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--disable-codecs-cjk \
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--disable-nis \
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--enable-unicodedata \
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--disable-test-modules \
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--disable-idle3 \
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--disable-pyo-build
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# Make sure that LD_LIBRARY_PATH overrides -rpath.
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# This is needed because libpython may be installed at the same time that
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# python is called.
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HOST_PYTHON3_CONF_ENV += \
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LDFLAGS="$(HOST_LDFLAGS) -Wl,--enable-new-dtags"
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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 ($(BR2_PACKAGE_PYTHON3_READLINE),y)
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PYTHON3_DEPENDENCIES += readline
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endif
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ifeq ($(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_PY_ONLY),y)
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PYTHON3_CONF_OPTS += --disable-pyc-build
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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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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 ($(BR2_PACKAGE_PYTHON3_BZIP2),y)
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PYTHON3_DEPENDENCIES += bzip2
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endif
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ifeq ($(BR2_PACKAGE_PYTHON3_ZLIB),y)
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PYTHON3_DEPENDENCIES += zlib
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endif
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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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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-pyo-build
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# This is needed to make sure the Python build process doesn't try to
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# regenerate those files with the pgen program. Otherwise, it builds
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# pgen for the target, and tries to run it on the host.
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define PYTHON3_TOUCH_GRAMMAR_FILES
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touch $(@D)/Include/graminit.h $(@D)/Python/graminit.c
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endef
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PYTHON3_POST_PATCH_HOOKS += PYTHON3_TOUCH_GRAMMAR_FILES
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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)/usr/bin/python
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ln -fs python3-config $(HOST_DIR)/usr/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)/sysconfigdata/:$(TARGET_DIR)/usr/lib/python$(PYTHON3_VERSION_MAJOR)/site-packages/
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$(eval $(autotools-package))
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$(eval $(host-autotools-package))
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