60714bb2ed
In English, unlike in French, almost all usages of the word 'information' are uncountable, meaning that 'informations' is invalid. This patch fixes this typo throughout the tree, except in CHANGES and docs/news.html (historic text). Signed-off-by: Thomas De Schampheleire <thomas.de.schampheleire@gmail.com> Acked-by: "Yann E. MORIN" <yann.morin.1998@free.fr> Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
288 lines
9.7 KiB
Makefile
288 lines
9.7 KiB
Makefile
################################################################################
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# Python package infrastructure
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#
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# This file implements an infrastructure that eases development of
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# package .mk files for Python packages. It should be used for all
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# packages that use Python setup.py/setuptools as their build system.
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#
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# See the Buildroot documentation for details on the usage of this
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# infrastructure
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#
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# In terms of implementation, this Python infrastructure requires the
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# .mk file to only specify metadata information about the package:
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# name, version, download URL, etc.
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#
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# We still allow the package .mk file to override what the different
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# steps are doing, if needed. For example, if <PKG>_BUILD_CMDS is
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# already defined, it is used as the list of commands to perform to
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# build the package, instead of the default Python behaviour. The
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# package can also define some post operation hooks.
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#
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################################################################################
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# Target distutils-based packages
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PKG_PYTHON_DISTUTILS_ENV = \
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PATH=$(BR_PATH) \
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CC="$(TARGET_CC)" \
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CFLAGS="$(TARGET_CFLAGS)" \
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LDFLAGS="$(TARGET_LDFLAGS)" \
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LDSHARED="$(TARGET_CROSS)gcc -shared" \
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PYTHONPATH="$(if $(BR2_PACKAGE_PYTHON3),$(PYTHON3_PATH),$(PYTHON_PATH))" \
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_python_sysroot=$(STAGING_DIR) \
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_python_prefix=/usr \
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_python_exec_prefix=/usr
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PKG_PYTHON_DISTUTILS_BUILD_OPT = \
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--executable=/usr/bin/python
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PKG_PYTHON_DISTUTILS_INSTALL_TARGET_OPT = \
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--prefix=$(TARGET_DIR)/usr
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PKG_PYTHON_DISTUTILS_INSTALL_STAGING_OPT = \
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--prefix=$(STAGING_DIR)/usr
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# Host distutils-based packages
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HOST_PKG_PYTHON_DISTUTILS_ENV = \
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PATH=$(BR_PATH)
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HOST_PKG_PYTHON_DISTUTILS_INSTALL_OPT = \
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--prefix=$(HOST_DIR)/usr
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# Target setuptools-based packages
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PKG_PYTHON_SETUPTOOLS_ENV = \
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PATH=$(BR_PATH) \
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PYTHONPATH="$(if $(BR2_PACKAGE_PYTHON3),$(PYTHON3_PATH),$(PYTHON_PATH))" \
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_python_sysroot=$(STAGING_DIR) \
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_python_prefix=/usr \
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_python_exec_prefix=/usr
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PKG_PYTHON_SETUPTOOLS_INSTALL_TARGET_OPT = \
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--prefix=$(TARGET_DIR)/usr \
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--executable=/usr/bin/python \
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--single-version-externally-managed \
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--root=/
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PKG_PYTHON_SETUPTOOLS_INSTALL_STAGING_OPT = \
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--prefix=$(STAGING_DIR)/usr \
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--executable=/usr/bin/python \
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--single-version-externally-managed \
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--root=/
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# Host setuptools-based packages
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HOST_PKG_PYTHON_SETUPTOOLS_ENV = \
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PATH=$(BR_PATH)
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HOST_PKG_PYTHON_SETUPTOOLS_INSTALL_OPT = \
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--prefix=$(HOST_DIR)/usr
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################################################################################
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# inner-python-package -- defines how the configuration, compilation
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# and installation of a Python package should be done, implements a
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# few hooks to tune the build process and calls the generic package
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# infrastructure to generate the necessary make targets
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#
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# argument 1 is the lowercase package name
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# argument 2 is the uppercase package name, including a HOST_ prefix
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# for host packages
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# argument 3 is the uppercase package name, without the HOST_ prefix
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# for host packages
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# argument 4 is the type (target or host)
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################################################################################
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define inner-python-package
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$(2)_SRCDIR = $$($(2)_DIR)/$$($(2)_SUBDIR)
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$(2)_BUILDDIR = $$($(2)_SRCDIR)
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$(2)_ENV ?=
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$(2)_BUILD_OPT ?=
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$(2)_INSTALL_OPT ?=
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ifndef $(2)_SETUP_TYPE
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ifdef $(3)_SETUP_TYPE
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$(2)_SETUP_TYPE = $$($(3)_SETUP_TYPE)
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else
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$$(error "$(2)_SETUP_TYPE must be set")
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endif
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endif
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# Distutils
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ifeq ($$($(2)_SETUP_TYPE),distutils)
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ifeq ($(4),target)
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$(2)_BASE_ENV = $$(PKG_PYTHON_DISTUTILS_ENV)
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$(2)_BASE_BUILD_TGT = build
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$(2)_BASE_BUILD_OPT = $$(PKG_PYTHON_DISTUTILS_BUILD_OPT)
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$(2)_BASE_INSTALL_TARGET_OPT = $$(PKG_PYTHON_DISTUTILS_INSTALL_TARGET_OPT)
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$(2)_BASE_INSTALL_STAGING_OPT = $$(PKG_PYTHON_DISTUTILS_INSTALL_STAGING_OPT)
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else
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$(2)_BASE_ENV = $$(HOST_PKG_PYTHON_DISTUTILS_ENV)
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$(2)_BASE_BUILD_TGT = build
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$(2)_BASE_BUILD_OPT =
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$(2)_BASE_INSTALL_OPT = $$(HOST_PKG_PYTHON_DISTUTILS_INSTALL_OPT)
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endif
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# Setuptools
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else ifeq ($$($(2)_SETUP_TYPE),setuptools)
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ifeq ($(4),target)
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$(2)_BASE_ENV = $$(PKG_PYTHON_SETUPTOOLS_ENV)
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$(2)_BASE_BUILD_TGT = build
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$(2)_BASE_BUILD_OPT =
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$(2)_BASE_INSTALL_TARGET_OPT = $$(PKG_PYTHON_SETUPTOOLS_INSTALL_TARGET_OPT)
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$(2)_BASE_INSTALL_STAGING_OPT = $$(PKG_PYTHON_SETUPTOOLS_INSTALL_STAGING_OPT)
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else
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$(2)_BASE_ENV = $$(HOST_PKG_PYTHON_SETUPTOOLS_ENV)
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$(2)_BASE_BUILD_TGT = build
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$(2)_BASE_BUILD_OPT =
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$(2)_BASE_INSTALL_OPT = $$(HOST_PKG_PYTHON_SETUPTOOLS_INSTALL_OPT)
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endif
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else
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$$(error "Invalid $(2)_SETUP_TYPE. Valid options are 'distutils' or 'setuptools'")
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endif
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# The below statement intends to calculate the dependencies of host
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# packages by derivating them from the dependencies of the
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# corresponding target package, after adding the 'host-' prefix in
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# front of the dependencies.
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#
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# However it must be repeated from inner-generic-package, as we need
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# to exclude the python, host-python and host-python-setuptools
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# packages, which are added below in the list of dependencies
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# depending on the package characteristics, and shouldn't be derived
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# automatically from the dependencies of the corresponding target
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# package.
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ifeq ($(4),host)
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$(2)_DEPENDENCIES ?= $$(filter-out host-python host-python3 host-python-setuptools host-toolchain $(1),$$(patsubst host-host-%,host-%,$$(addprefix host-,$$($(3)_DEPENDENCIES))))
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endif
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# Target packages need both the python interpreter on the target (for
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# runtime) and the python interpreter on the host (for
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# compilation). However, host packages only need the python
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# interpreter on the host, whose version may be enforced by setting
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# the *_NEEDS_HOST_PYTHON variable.
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#
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# So:
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# - for target packages, we always depend on the default python interpreter
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# (the one selected by the config);
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# - for host packages:
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# - if *_NEEDS_HOST_PYTHON is not set, then we depend on use the default
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# interperter;
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# - otherwise, we depend on the one requested by *_NEEDS_HOST_PYTHON.
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#
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ifeq ($(4),target)
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$(2)_DEPENDENCIES += $$(if $$(BR2_PACKAGE_PYTHON3),host-python3 python3,host-python python)
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else
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ifeq ($$($(2)_NEEDS_HOST_PYTHON),)
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$(2)_DEPENDENCIES += $$(if $$(BR2_PACKAGE_PYTHON3),host-python3,host-python)
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else
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ifeq ($$($(2)_NEEDS_HOST_PYTHON),python2)
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$(2)_DEPENDENCIES += host-python
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else ifeq ($$($(2)_NEEDS_HOST_PYTHON),python3)
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$(2)_DEPENDENCIES += host-python3
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else
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$$(error Incorrect value '$$($(2)_NEEDS_HOST_PYTHON)' for $(2)_NEEDS_HOST_PYTHON)
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endif
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endif # ($$($(2)_NEEDS_HOST_PYTHON),)
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endif # ($(4),target)
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# Setuptools based packages will need host-python-setuptools (both
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# host and target). We need to have a special exclusion for the
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# host-setuptools package itself: it is setuptools-based, but
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# shouldn't depend on host-setuptools (because it would otherwise
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# depend on itself!).
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ifeq ($$($(2)_SETUP_TYPE),setuptools)
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ifneq ($(2),HOST_PYTHON_SETUPTOOLS)
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$(2)_DEPENDENCIES += host-python-setuptools
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endif
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endif
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# Python interpreter to use for building the package.
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#
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# We may want to specify the python interpreter to be used for building a
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# package, especially for host-packages (target packages must be built using
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# the same version of the interpreter as the one installed on the target).
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#
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# So:
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# - for target packages, we always use the default python interpreter (which
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# is the same version as the one built and installed on the target);
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# - for host packages:
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# - if *_NEEDS_HOST_PYTHON is not set, then we use use the default
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# interperter;
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# - otherwise, we use the one requested by *_NEEDS_HOST_PYTHON.
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#
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ifeq ($(4),target)
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$(2)_PYTHON_INTERPRETER = $$(HOST_DIR)/usr/bin/python
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else
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ifeq ($$($(2)_NEEDS_HOST_PYTHON),)
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$(2)_PYTHON_INTERPRETER = $$(HOST_DIR)/usr/bin/python
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else
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$(2)_PYTHON_INTERPRETER = $$(HOST_DIR)/usr/bin/$$($(2)_NEEDS_HOST_PYTHON)
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endif
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endif
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#
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# Build step. Only define it if not already defined by the package .mk
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# file.
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#
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ifndef $(2)_BUILD_CMDS
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define $(2)_BUILD_CMDS
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(cd $$($$(PKG)_BUILDDIR)/; \
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$$($$(PKG)_BASE_ENV) $$($$(PKG)_ENV) \
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$$($(2)_PYTHON_INTERPRETER) setup.py \
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$$($$(PKG)_BASE_BUILD_TGT) \
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$$($$(PKG)_BASE_BUILD_OPT) $$($$(PKG)_BUILD_OPT))
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endef
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endif
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#
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# Host installation step. Only define it if not already defined by the
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# package .mk file.
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#
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ifndef $(2)_INSTALL_CMDS
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define $(2)_INSTALL_CMDS
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(cd $$($$(PKG)_BUILDDIR)/; \
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$$($$(PKG)_BASE_ENV) $$($$(PKG)_ENV) \
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$$($(2)_PYTHON_INTERPRETER) setup.py install \
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$$($$(PKG)_BASE_INSTALL_OPT) $$($$(PKG)_INSTALL_OPT))
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endef
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endif
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#
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# Target installation step. Only define it if not already defined by
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# the package .mk file.
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#
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ifndef $(2)_INSTALL_TARGET_CMDS
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define $(2)_INSTALL_TARGET_CMDS
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(cd $$($$(PKG)_BUILDDIR)/; \
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$$($$(PKG)_BASE_ENV) $$($$(PKG)_ENV) \
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$$($(2)_PYTHON_INTERPRETER) setup.py install \
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$$($$(PKG)_BASE_INSTALL_TARGET_OPT) \
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$$($$(PKG)_INSTALL_TARGET_OPT))
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endef
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endif
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#
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# Staging installation step. Only define it if not already defined by
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# the package .mk file.
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#
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ifndef $(2)_INSTALL_STAGING_CMDS
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define $(2)_INSTALL_STAGING_CMDS
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(cd $$($$(PKG)_BUILDDIR)/; \
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$$($$(PKG)_BASE_ENV) $$($$(PKG)_ENV) \
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$$($(2)_PYTHON_INTERPRETER) setup.py install \
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$$($$(PKG)_BASE_INSTALL_STAGING_OPT) \
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$$($$(PKG)_INSTALL_STAGING_OPT))
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endef
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endif
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# Call the generic package infrastructure to generate the necessary
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# make targets
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$(call inner-generic-package,$(1),$(2),$(3),$(4))
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endef
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################################################################################
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# python-package -- the target generator macro for Python packages
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################################################################################
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python-package = $(call inner-python-package,$(pkgname),$(call UPPERCASE,$(pkgname)),$(call UPPERCASE,$(pkgname)),target)
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host-python-package = $(call inner-python-package,host-$(pkgname),$(call UPPERCASE,host-$(pkgname)),$(call UPPERCASE,$(pkgname)),host)
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