b07b9d181d
This commit improves the cross-compilation patches we have on top of Python, to fix the problem of host library paths leaking into the build of target modules, as seen at: http://autobuild.buildroot.org/results/fcc/fccd7e08cd9d4713eb4208097dd48c5ab25749bc/build-end.log http://autobuild.buildroot.org/results/0bd/0bda780bf4b759b12edec26ac20b88cde617db4d/build-end.log To do so, it ensures that the right python2.7/config/Makefile is used when building target modules, and adjusts at runtime the paths read from this Makefile if we are cross-compiling. In addition, it installs the pgen program into the host directory, and points the target python build to use python and pgen from $(HOST_DIR) instead of from the host python source directory, which looks cleaner. Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
167 lines
4.3 KiB
Makefile
167 lines
4.3 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 = $(PYTHON_VERSION_MAJOR).3
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PYTHON_SOURCE = Python-$(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 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 $(HOST_DIR), as it is needed when cross-compiling
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# third-party Python modules.
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HOST_PYTHON_CONF_OPT += \
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--enable-static \
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--without-cxx-main \
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--disable-sqlite3 \
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--disable-tk \
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--with-expat=system \
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--disable-curses \
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--disable-codecs-cjk \
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--disable-nis \
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--disable-unicodedata \
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--disable-dbm \
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--disable-gdbm \
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--disable-bsddb \
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--disable-test-modules \
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--disable-bz2 \
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--disable-ssl
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HOST_PYTHON_MAKE_ENV = \
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PYTHON_MODULES_INCLUDE=$(HOST_DIR)/usr/include \
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PYTHON_MODULES_LIB="$(HOST_DIR)/lib $(HOST_DIR)/usr/lib"
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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 = $(MAKE1)
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PYTHON_DEPENDENCIES = host-python libffi
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HOST_PYTHON_DEPENDENCIES = host-expat host-zlib
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define HOST_PYTHON_INSTALL_PGEN
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$(INSTALL) -m0755 -D $(@D)/Parser/pgen $(HOST_DIR)/usr/bin/python-pgen
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endef
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HOST_PYTHON_POST_INSTALL_HOOKS += HOST_PYTHON_INSTALL_PGEN
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PYTHON_INSTALL_STAGING = YES
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ifeq ($(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 ($(BR2_PACKAGE_PYTHON_UNICODEDATA),y)
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PYTHON_CONF_OPT += --disable-unicodedata
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endif
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ifeq ($(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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PYTHON_FOR_BUILD=$(HOST_DIR)/usr/bin/python \
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PGEN_FOR_BUILD=$(HOST_DIR)/usr/bin/python-pgen \
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ac_cv_have_long_long_format=yes
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PYTHON_MAKE_ENV += \
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_python_sysroot=$(STAGING_DIR) \
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PYTHON_MODULES_INCLUDE=$(STAGING_DIR)/usr/include \
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PYTHON_MODULES_LIB="$(STAGING_DIR)/lib $(STAGING_DIR)/usr/lib"
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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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#
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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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PYTHON_AUTORECONF = YES
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$(eval $(autotools-package))
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$(eval $(host-autotools-package))
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