314 lines
11 KiB
Makefile
314 lines
11 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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ifeq ($(BR2_arm)$(BR2_armeb),y)
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PKG_PYTHON_ARCH = arm
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else
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PKG_PYTHON_ARCH = $(ARCH)
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endif
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PKG_PYTHON_HOST_PLATFORM = linux-$(PKG_PYTHON_ARCH)
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# basename does not evaluate if a file exists, so we must check to ensure
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# the _sysconfigdata__linux_*.py file exists. The "|| true" is added to return
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# an empty string if the file does not exist.
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PKG_PYTHON_SYSCONFIGDATA_PATH = $(PYTHON3_PATH)/_sysconfigdata__linux_*.py
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PKG_PYTHON_SYSCONFIGDATA_NAME = `{ [ -e $(PKG_PYTHON_SYSCONFIGDATA_PATH) ] && basename $(PKG_PYTHON_SYSCONFIGDATA_PATH) .py; } || true`
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# Target distutils-based packages
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PKG_PYTHON_DISTUTILS_ENV = \
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PATH=$(BR_PATH) \
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$(TARGET_CONFIGURE_OPTS) \
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LDSHARED="$(TARGET_CROSS)gcc -shared" \
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PYTHONPATH="$(PYTHON3_PATH)" \
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PYTHONNOUSERSITE=1 \
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SETUPTOOLS_USE_DISTUTILS=stdlib \
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_PYTHON_HOST_PLATFORM="$(PKG_PYTHON_HOST_PLATFORM)" \
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_PYTHON_PROJECT_BASE="$(PYTHON3_DIR)" \
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_PYTHON_SYSCONFIGDATA_NAME="$(PKG_PYTHON_SYSCONFIGDATA_NAME)" \
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_python_sysroot=$(STAGING_DIR) \
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_python_prefix=/usr \
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_python_exec_prefix=/usr
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PKG_PYTHON_DISTUTILS_BUILD_OPTS = \
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--executable=/usr/bin/python
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PKG_PYTHON_DISTUTILS_INSTALL_TARGET_OPTS = \
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--install-headers=/usr/include/python$(PYTHON3_VERSION_MAJOR) \
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--prefix=/usr \
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--root=$(TARGET_DIR)
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PKG_PYTHON_DISTUTILS_INSTALL_STAGING_OPTS = \
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--install-headers=/usr/include/python$(PYTHON3_VERSION_MAJOR) \
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--prefix=/usr \
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--root=$(STAGING_DIR)
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# Host distutils-based packages
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HOST_PKG_PYTHON_DISTUTILS_ENV = \
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PATH=$(BR_PATH) \
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PYTHONNOUSERSITE=1 \
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SETUPTOOLS_USE_DISTUTILS=stdlib \
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$(HOST_CONFIGURE_OPTS)
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HOST_PKG_PYTHON_DISTUTILS_INSTALL_OPTS = \
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--prefix=$(HOST_DIR)
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# Target setuptools-based packages
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PKG_PYTHON_SETUPTOOLS_ENV = \
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_PYTHON_HOST_PLATFORM="$(PKG_PYTHON_HOST_PLATFORM)" \
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_PYTHON_PROJECT_BASE="$(PYTHON3_DIR)" \
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_PYTHON_SYSCONFIGDATA_NAME="$(PKG_PYTHON_SYSCONFIGDATA_NAME)" \
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PATH=$(BR_PATH) \
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$(TARGET_CONFIGURE_OPTS) \
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PYTHONPATH="$(PYTHON3_PATH)" \
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PYTHONNOUSERSITE=1 \
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SETUPTOOLS_USE_DISTUTILS=stdlib \
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_python_sysroot=$(STAGING_DIR) \
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_python_prefix=/usr \
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_python_exec_prefix=/usr
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PKG_PYTHON_SETUPTOOLS_INSTALL_TARGET_OPTS = \
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--install-headers=/usr/include/python$(PYTHON3_VERSION_MAJOR) \
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--prefix=/usr \
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--executable=/usr/bin/python \
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--single-version-externally-managed \
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--root=$(TARGET_DIR)
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PKG_PYTHON_SETUPTOOLS_INSTALL_STAGING_OPTS = \
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--install-headers=/usr/include/python$(PYTHON3_VERSION_MAJOR) \
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--prefix=/usr \
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--executable=/usr/bin/python \
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--single-version-externally-managed \
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--root=$(STAGING_DIR)
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# Host setuptools-based packages
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HOST_PKG_PYTHON_SETUPTOOLS_ENV = \
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PATH=$(BR_PATH) \
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PYTHONNOUSERSITE=1 \
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SETUPTOOLS_USE_DISTUTILS=stdlib \
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$(HOST_CONFIGURE_OPTS)
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HOST_PKG_PYTHON_SETUPTOOLS_INSTALL_OPTS = \
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--prefix=$(HOST_DIR) \
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--root=/ \
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--single-version-externally-managed
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# Target pep517-based packages
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PKG_PYTHON_PEP517_ENV = \
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_PYTHON_SYSCONFIGDATA_NAME="$(PKG_PYTHON_SYSCONFIGDATA_NAME)" \
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PATH=$(BR_PATH) \
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$(TARGET_CONFIGURE_OPTS) \
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PYTHONPATH="$(PYTHON3_PATH)" \
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PYTHONNOUSERSITE=1 \
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_python_sysroot=$(STAGING_DIR) \
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_python_prefix=/usr \
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_python_exec_prefix=/usr
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PKG_PYTHON_PEP517_INSTALL_TARGET_OPTS = \
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--interpreter=/usr/bin/python \
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--script-kind=posix \
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--purelib=$(TARGET_DIR)/lib/python$(PYTHON3_VERSION_MAJOR)/site-packages \
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--headers=$(TARGET_DIR)/usr/include/python$(PYTHON3_VERSION_MAJOR) \
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--scripts=$(TARGET_DIR)/usr/bin \
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--data=$(TARGET_DIR)/usr
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PKG_PYTHON_PEP517_INSTALL_STAGING_OPTS = \
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--interpreter=/usr/bin/python \
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--script-kind=posix \
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--purelib=$(STAGING_DIR)/lib/python$(PYTHON3_VERSION_MAJOR)/site-packages \
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--headers=$(STAGING_DIR)/usr/include/python$(PYTHON3_VERSION_MAJOR) \
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--scripts=$(STAGING_DIR)/usr/bin \
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--data=$(STAGING_DIR)/usr
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# Host pep517-based packages
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HOST_PKG_PYTHON_PEP517_ENV = \
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PATH=$(BR_PATH) \
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PYTHONNOUSERSITE=1 \
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$(HOST_CONFIGURE_OPTS)
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HOST_PKG_PYTHON_PEP517_INSTALL_OPTS = \
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--interpreter=/usr/bin/python \
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--script-kind=posix \
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--purelib=$(HOST_DIR)/lib/python$(PYTHON3_VERSION_MAJOR)/site-packages \
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--headers=$(HOST_DIR)/usr/include/python$(PYTHON3_VERSION_MAJOR) \
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--scripts=$(HOST_DIR)/usr/bin \
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--data=$(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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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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$(2)_BASE_BUILD_CMD = setup.py build
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$(2)_BASE_BUILD_OPTS = $$(PKG_PYTHON_DISTUTILS_BUILD_OPTS)
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$(2)_BASE_INSTALL_TARGET_CMD = setup.py install --no-compile $$(PKG_PYTHON_DISTUTILS_INSTALL_TARGET_OPTS)
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$(2)_BASE_INSTALL_STAGING_CMD = setup.py install $$(PKG_PYTHON_DISTUTILS_INSTALL_STAGING_OPTS)
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else
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$(2)_BASE_ENV = $$(HOST_PKG_PYTHON_DISTUTILS_ENV)
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$(2)_BASE_BUILD_CMD = setup.py build
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$(2)_BASE_INSTALL_CMD = setup.py install $$(HOST_PKG_PYTHON_DISTUTILS_INSTALL_OPTS)
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endif
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# Setuptools
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else ifeq ($$($(2)_SETUP_TYPE),setuptools)
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ifeq ($(4),target)
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$(2)_BASE_ENV = $$(PKG_PYTHON_SETUPTOOLS_ENV)
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$(2)_BASE_BUILD_CMD = setup.py build
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$(2)_BASE_INSTALL_TARGET_CMD = setup.py install --no-compile $$(PKG_PYTHON_SETUPTOOLS_INSTALL_TARGET_OPTS)
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$(2)_BASE_INSTALL_STAGING_CMD = setup.py install $$(PKG_PYTHON_SETUPTOOLS_INSTALL_STAGING_OPTS)
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else
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$(2)_BASE_ENV = $$(HOST_PKG_PYTHON_SETUPTOOLS_ENV)
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$(2)_BASE_BUILD_CMD = setup.py build
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$(2)_BASE_INSTALL_CMD = setup.py install $$(HOST_PKG_PYTHON_SETUPTOOLS_INSTALL_OPTS)
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endif
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else ifneq ($$(filter flit pep517,$$($(2)_SETUP_TYPE)),)
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ifeq ($(4),target)
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$(2)_BASE_ENV = $$(PKG_PYTHON_PEP517_ENV)
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$(2)_BASE_BUILD_CMD = -m build -n -w
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$(2)_BASE_INSTALL_TARGET_CMD = $(TOPDIR)/support/scripts/pyinstaller.py dist/* $$(PKG_PYTHON_PEP517_INSTALL_TARGET_OPTS)
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$(2)_BASE_INSTALL_STAGING_CMD = $(TOPDIR)/support/scripts/pyinstaller.py dist/* $$(PKG_PYTHON_PEP517_INSTALL_STAGING_OPTS)
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else
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$(2)_BASE_ENV = $$(HOST_PKG_PYTHON_PEP517_ENV)
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$(2)_BASE_BUILD_CMD = -m build -n -w
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$(2)_BASE_INSTALL_CMD = $(TOPDIR)/support/scripts/pyinstaller.py dist/* $$(HOST_PKG_PYTHON_PEP517_INSTALL_OPTS)
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endif
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else
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$$(error "Invalid $(2)_SETUP_TYPE. Valid options are 'distutils', 'setuptools', 'pep517' or 'flit'.")
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endif
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# Target packages need both the python interpreter on the target (for
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# runtime) and the python interpreter on the host (for
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# compilation). However, host packages only need the python
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# interpreter on the host.
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#
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ifeq ($(4),target)
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$(2)_DEPENDENCIES += host-python3 python3
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else
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$(2)_DEPENDENCIES += host-python3
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endif # ($(4),target)
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# Setuptools based packages will need setuptools for the host Python
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# interpreter (both host and target).
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#
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ifeq ($$($(2)_SETUP_TYPE),setuptools)
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$(2)_DEPENDENCIES += $$(if $$(filter host-python-setuptools,$(1)),,host-python-setuptools)
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else ifneq ($$(filter flit pep517,$$($(2)_SETUP_TYPE)),)
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$(2)_DEPENDENCIES += host-python-pypa-build host-python-installer
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ifeq ($$($(2)_SETUP_TYPE),flit)
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$(2)_DEPENDENCIES += host-python-flit-core
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endif
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endif # SETUP_TYPE
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# Python interpreter to use for building the package.
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#
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$(2)_PYTHON_INTERPRETER = $$(HOST_DIR)/bin/python
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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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$$($(2)_PYTHON_INTERPRETER) \
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$$($$(PKG)_BASE_BUILD_CMD) \
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$$($$(PKG)_BASE_BUILD_OPTS) $$($$(PKG)_BUILD_OPTS))
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endef
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endif
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#
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# Host installation step. Only define it if not already defined by the
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# package .mk file.
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#
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ifndef $(2)_INSTALL_CMDS
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define $(2)_INSTALL_CMDS
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(cd $$($$(PKG)_BUILDDIR)/; \
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$$($$(PKG)_BASE_ENV) $$($$(PKG)_ENV) \
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$$($(2)_PYTHON_INTERPRETER) \
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$$($$(PKG)_BASE_INSTALL_CMD) \
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$$($$(PKG)_INSTALL_OPTS))
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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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$$($(2)_PYTHON_INTERPRETER) \
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$$($$(PKG)_BASE_INSTALL_TARGET_CMD) \
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$$($$(PKG)_INSTALL_TARGET_OPTS))
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endef
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endif
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#
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# Staging installation step. Only define it if not already defined by
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# the package .mk file.
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#
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ifndef $(2)_INSTALL_STAGING_CMDS
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define $(2)_INSTALL_STAGING_CMDS
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(cd $$($$(PKG)_BUILDDIR)/; \
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$$($$(PKG)_BASE_ENV) $$($$(PKG)_ENV) \
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$$($(2)_PYTHON_INTERPRETER) \
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$$($$(PKG)_BASE_INSTALL_STAGING_CMD) \
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$$($$(PKG)_INSTALL_STAGING_OPTS))
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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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