mirror of
https://github.com/godotengine/buildroot.git
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e1584b7d33
This change adds a patch to python disabling the installation of the python and python-config symlinks. This allows Buildroot to control these symlinks' installation: * the python symlink should be unconditionally installed in the target tree, and the python-config symlink in the staging tree, since it is only built and installed in the target tree if the user selected it; * the python and python-config symlinks should only be installed in the host tree when python(2) is the selection of the user for the target. Otherwise, when python3 is selected for the target, the host-python may be required to built some packages. In such cases, the python symlink should points to python3 (so should the python-config symlink) to reflect the staging/target tree. [Thomas: fix comments according to Yann's suggestions, and replaced python(2) by python2, as suggested by Yann.] Signed-off-by: Samuel Martin <s.martin49@gmail.com> Cc: Gustavo Zacarias <gustavo@zacarias.com.ar> Cc: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
211 lines
5.8 KiB
Makefile
211 lines
5.8 KiB
Makefile
################################################################################
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#
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# python
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#
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################################################################################
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PYTHON_VERSION_MAJOR = 2.7
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PYTHON_VERSION = $(PYTHON_VERSION_MAJOR).6
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PYTHON_SOURCE = Python-$(PYTHON_VERSION).tar.xz
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PYTHON_SITE = http://python.org/ftp/python/$(PYTHON_VERSION)
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PYTHON_LICENSE = Python software foundation license v2, others
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PYTHON_LICENSE_FILES = LICENSE
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# Python needs itself to be built, so in order to cross-compile
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# Python, we need to build a host Python first. This host Python is
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# also installed in $(HOST_DIR), as it is needed when cross-compiling
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# third-party Python modules.
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HOST_PYTHON_CONF_OPT += \
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--enable-static \
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--without-cxx-main \
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--disable-sqlite3 \
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--disable-tk \
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--with-expat=system \
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--disable-curses \
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--disable-codecs-cjk \
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--disable-nis \
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--enable-unicodedata \
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--disable-dbm \
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--disable-gdbm \
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--disable-bsddb \
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--disable-test-modules \
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--disable-bz2 \
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--disable-ssl \
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--disable-pyo-build
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# Make sure that LD_LIBRARY_PATH overrides -rpath.
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# This is needed because libpython may be installed at the same time that
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# python is called.
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HOST_PYTHON_CONF_ENV += \
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LDFLAGS="$(HOST_LDFLAGS) -Wl,--enable-new-dtags"
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# Building host python in parallel sometimes triggers a "Bus error"
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# during the execution of "./python setup.py build" in the
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# installation step. It is probably due to the installation of a
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# shared library taking place in parallel to the execution of
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# ./python, causing spurious Bus error. Building host-python with
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# MAKE1 has shown to workaround the problem.
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HOST_PYTHON_MAKE = $(MAKE1)
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PYTHON_DEPENDENCIES = host-python libffi
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HOST_PYTHON_DEPENDENCIES = host-expat host-zlib
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PYTHON_INSTALL_STAGING = YES
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ifeq ($(BR2_PACKAGE_PYTHON_READLINE),y)
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PYTHON_DEPENDENCIES += readline
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endif
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ifeq ($(BR2_PACKAGE_PYTHON_CURSES),y)
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PYTHON_DEPENDENCIES += ncurses
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else
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PYTHON_CONF_OPT += --disable-curses
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endif
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ifeq ($(BR2_PACKAGE_PYTHON_PYEXPAT),y)
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PYTHON_DEPENDENCIES += expat
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PYTHON_CONF_OPT += --with-expat=system
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else
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PYTHON_CONF_OPT += --with-expat=none
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endif
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ifeq ($(BR2_PACKAGE_PYTHON_BSDDB),y)
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PYTHON_DEPENDENCIES += berkeleydb
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else
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PYTHON_CONF_OPT += --disable-bsddb
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endif
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ifeq ($(BR2_PACKAGE_PYTHON_SQLITE),y)
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PYTHON_DEPENDENCIES += sqlite
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else
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PYTHON_CONF_OPT += --disable-sqlite3
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endif
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ifeq ($(BR2_PACKAGE_PYTHON_SSL),y)
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PYTHON_DEPENDENCIES += openssl
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else
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PYTHON_CONF_OPT += --disable-ssl
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endif
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ifneq ($(BR2_PACKAGE_PYTHON_CODECSCJK),y)
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PYTHON_CONF_OPT += --disable-codecs-cjk
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endif
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ifneq ($(BR2_PACKAGE_PYTHON_UNICODEDATA),y)
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PYTHON_CONF_OPT += --disable-unicodedata
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endif
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# Default is UCS2 w/o a conf opt
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ifeq ($(BR2_PACKAGE_PYTHON_UCS4),y)
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PYTHON_CONF_OPT += --enable-unicode=ucs4
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endif
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ifeq ($(BR2_PACKAGE_PYTHON_BZIP2),y)
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PYTHON_DEPENDENCIES += bzip2
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else
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PYTHON_CONF_OPT += --disable-bz2
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endif
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ifeq ($(BR2_PACKAGE_PYTHON_ZLIB),y)
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PYTHON_DEPENDENCIES += zlib
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else
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PYTHON_CONF_OPT += --disable-zlib
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endif
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ifeq ($(BR2_PACKAGE_PYTHON_HASHLIB),y)
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PYTHON_DEPENDENCIES += openssl
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endif
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PYTHON_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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PYTHON_CONF_OPT += \
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--without-cxx-main \
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--without-doc-strings \
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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-gdbm \
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--disable-tk \
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--disable-nis \
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--disable-dbm \
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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 PYTHON_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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PYTHON_POST_PATCH_HOOKS += PYTHON_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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# idle & smtpd.py have bad shebangs and are mostly samples
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#
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define PYTHON_REMOVE_USELESS_FILES
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rm -f $(TARGET_DIR)/usr/bin/idle
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rm -f $(TARGET_DIR)/usr/bin/python$(PYTHON_VERSION_MAJOR)-config
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rm -f $(TARGET_DIR)/usr/bin/python2-config
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rm -f $(TARGET_DIR)/usr/bin/python-config
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rm -f $(TARGET_DIR)/usr/bin/smtpd.py
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for i in `find $(TARGET_DIR)/usr/lib/python$(PYTHON_VERSION_MAJOR)/config/ \
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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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endef
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PYTHON_POST_INSTALL_TARGET_HOOKS += PYTHON_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 PYTHON_ENSURE_LIBPYTHON_STRIPPED
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chmod u+w $(TARGET_DIR)/usr/lib/libpython$(PYTHON_VERSION_MAJOR)*.so
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endef
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PYTHON_POST_INSTALL_TARGET_HOOKS += PYTHON_ENSURE_LIBPYTHON_STRIPPED
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# Always install the python symlink in the target tree
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define PYTHON_INSTALL_TARGET_PYTHON_SYMLINK
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ln -sf python2 $(TARGET_DIR)/usr/bin/python
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endef
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PYTHON_POST_INSTALL_TARGET_HOOKS += PYTHON_INSTALL_TARGET_PYTHON_SYMLINK
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# Always install the python-config symlink in the staging tree
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define PYTHON_INSTALL_STAGING_PYTHON_CONFIG_SYMLINK
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ln -sf python2-config $(STAGING_DIR)/usr/bin/python-config
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endef
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PYTHON_POST_INSTALL_STAGING_HOOKS += PYTHON_INSTALL_STAGING_PYTHON_CONFIG_SYMLINK
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PYTHON_AUTORECONF = YES
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# Some packages may have build scripts requiring python2.
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# Only install the python symlink in the host tree if python2 is enabled
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# for the target.
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ifeq ($(BR2_PACKAGE_PYTHON),y)
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define HOST_PYTHON_INSTALL_PYTHON_SYMLINK
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ln -sf python2 $(HOST_DIR)/usr/bin/python
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ln -sf python2-config $(HOST_DIR)/usr/bin/python-config
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endef
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HOST_PYTHON_POST_INSTALL_HOOKS += HOST_PYTHON_INSTALL_PYTHON_SYMLINK
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endif
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# Provided to other packages
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PYTHON_PATH = $(TARGET_DIR)/usr/lib/python$(PYTHON_VERSION_MAJOR)/sysconfigdata/:$(TARGET_DIR)/usr/lib/python$(PYTHON_VERSION_MAJOR)/site-packages/
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$(eval $(autotools-package))
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$(eval $(host-autotools-package))
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