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7a6b83a211
Create a proper package for the skeleton.
The main Makefile is modified to remove the skeleton support.
The 'dirs' target, will create the $(TARGET_DIR).
The file 'output/target/.root' doesn't exists anymore, as there's no
Make rule to statisfy.
The infrastructure are modified to filter host-skeleton.
It's needed becauses the host-dependencies are derived from the
dependencies of the target package where 'host-' is preprended to the
depedency name.
In the pkg-generic we add skeleton as a dependency to every package.
The whole system/system.mk is now removed at the profit of
package/skeleton/skeleton.mk
[Thomas:
- rebase on top of master and fix some minor conflicts
- remove the 'select BR2_PACKAGE_SKELETON' in
BR2_ROOTFS_SKELETON_DEFAULT and BR2_ROOTFS_SKELETON_CUSTOM, since
anyway the skeleton package is always enabled.
- fixup a few mistakes in the getty handling due to misnamed
variables.]
Signed-off-by: Maxime Hadjinlian <maxime.hadjinlian@gmail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
72 lines
2.8 KiB
Makefile
72 lines
2.8 KiB
Makefile
################################################################################
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# Virtual 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 virtual packages. It should be used for all
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# virtual packages.
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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 virtual infrastructure requires
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# the .mk file to only call the 'virtual-package' macro.
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#
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################################################################################
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################################################################################
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# inner-virtual-package -- defines the dependency rules of the virtual
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# package against its provider.
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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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# Note: putting this comment here rather than in the define block, otherwise
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# make would try to expand the $(error ...) in the comment, which is not
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# really what we want.
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# We need to use second-expansion for the $(error ...) call, below,
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# so it is not evaluated now, but as part of the generated make code.
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define inner-virtual-package
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# Ensure the virtual package has an implementation defined.
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ifeq ($$(BR2_PACKAGE_HAS_$(2)),y)
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ifeq ($$(call qstrip,$$(BR2_PACKAGE_PROVIDES_$(2))),)
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$$(error No implementation selected for virtual package $(1). Configuration error)
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endif
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endif
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# A virtual package does not have any source associated
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$(2)_SOURCE =
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# Fake a version string, so it looks nicer in the build log
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$(2)_VERSION = virtual
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# This must be repeated from inner-generic-package, otherwise we get an empty
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# _DEPENDENCIES
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ifeq ($(4),host)
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$(2)_DEPENDENCIES ?= $$(filter-out host-skeleton host-toolchain $(1),\
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$$(patsubst host-host-%,host-%,$$(addprefix host-,$$($(3)_DEPENDENCIES))))
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endif
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# Add dependency against the provider
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$(2)_DEPENDENCIES += $$(call qstrip,$$(BR2_PACKAGE_PROVIDES_$(2)))
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# Call the generic package infrastructure to generate the necessary
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# make targets
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$(call inner-generic-package,$(1),$(2),$(3),$(4))
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endef
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################################################################################
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# virtual-package -- the target generator macro for virtual packages
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################################################################################
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virtual-package = $(call inner-virtual-package,$(pkgname),$(call UPPERCASE,$(pkgname)),$(call UPPERCASE,$(pkgname)),target)
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host-virtual-package = $(call inner-virtual-package,host-$(pkgname),$(call UPPERCASE,host-$(pkgname)),$(call UPPERCASE,$(pkgname)),host)
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