83 lines
3.0 KiB
Makefile
83 lines
3.0 KiB
Makefile
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################################################################################
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# Kconfig 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 packages that use kconfig for configuration files.
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# It is based on the generic-package infrastructure, and inherits all of its
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# features.
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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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################################################################################
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################################################################################
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# inner-kconfig-package -- generates the make targets needed to support a
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# kconfig package
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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-kconfig-package
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# Call the generic package infrastructure to generate the necessary
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# make targets.
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# Note: this must be done _before_ attempting to use $$($(2)_DIR) in a
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# dependency expression
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$(call inner-generic-package,$(1),$(2),$(3),$(4))
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# Default values
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$(2)_KCONFIG_EDITORS ?= menuconfig
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$(2)_KCONFIG_OPT ?=
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$(2)_KCONFIG_FIXUP_CMDS ?=
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# FOO_KCONFIG_FILE is required
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ifndef $(2)_KCONFIG_FILE
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$$(error Internal error: no value specified for $(2)_KCONFIG_FILE)
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endif
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# The .config file is obtained by copying it from the specified source
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# configuration file, after the package has been patched.
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$$($(2)_DIR)/.config: $$($(2)_KCONFIG_FILE) | $(1)-patch
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$$(INSTALL) -m 0644 $$($(2)_KCONFIG_FILE) $$($(2)_DIR)/.config
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# In order to get a usable, consistent configuration, some fixup may be needed.
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# The exact rules are specified by the package .mk file.
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$$($(2)_DIR)/.stamp_kconfig_fixup_done: $$($(2)_DIR)/.config
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$$($(2)_KCONFIG_FIXUP_CMDS)
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$$(Q)touch $$@
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# Before running configure, the configuration file should be present and fixed
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$$($(2)_TARGET_CONFIGURE): $$($(2)_DIR)/.stamp_kconfig_fixup_done
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# Configuration editors (menuconfig, ...)
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$$(addprefix $(1)-,$$($(2)_KCONFIG_EDITORS)): $$($(2)_DIR)/.stamp_kconfig_fixup_done
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$$($(2)_MAKE_ENV) $$(MAKE) -C $$($(2)_DIR) \
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$$($(2)_KCONFIG_OPT) $$(subst $(1)-,,$$@)
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rm -f $$($(2)_DIR)/.stamp_{kconfig_fixup_done,configured,built}
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rm -f $$($(2)_DIR)/.stamp_{target,staging}_installed
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# Target to copy back the configuration to the source configuration file
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$(1)-update-config: $$($(2)_DIR)/.stamp_kconfig_fixup_done
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cp -f $$($(2)_DIR)/.config $$($(2)_KCONFIG_FILE)
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endef # inner-kconfig-package
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################################################################################
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# kconfig-package -- the target generator macro for kconfig packages
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################################################################################
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kconfig-package = $(call inner-kconfig-package,$(pkgname),$(call UPPERCASE,$(pkgname)),$(call UPPERCASE,$(pkgname)),target)
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