16e763e9ea
- drop hardwired kernel flavour from pkglists - today's std-ng lacks aufs, let's switch to un-def - second assault at KERNEL_PACKAGES_REGEXP - re-introduced kpackages (builds ok) PS: base lists: switch to grub, add udev, cleanup
45 lines
1.3 KiB
Makefile
45 lines
1.3 KiB
Makefile
# NB: don"t use ANY quotes ('/") for put()/add()/set() arguments!
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# shell will get confused by ' or args get spammed with "
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# pay attention to the context in which functions get called:
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# e.g. features.in/syslinux/config.mk introduces conditionals
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# this one adds whatever is given as an argument
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put = $(and $(1),$(put_body))
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define put_body
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{ $(log_body); \
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printf '%s\n' '$(1)' >> "$(CONFIG)"; }
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endef
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# these three take two args
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# add() just appends an additive rule...
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add = $(and $(1),$(2),$(add_body))
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define add_body
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{ $(log_body); \
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printf '%s += %s\n' '$(1)' '$(2)' >> "$(CONFIG)"; }
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endef
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# ...set() comments out any previous definition
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# and then appends an assigning rule...
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set = $(and $(1),$(2),$(set_body))
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define set_body
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{ $(log_body); \
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subst 's|^$(1)[ ]*[+?]*=.*$$|#& # overridden by $@|' "$(CONFIG)"; \
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printf '%s = %s\n' '$(1)' '$(2)' >> "$(CONFIG)"; }
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endef
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# try() appends a conditionally-assigning rule
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try = $(and $(1),$(2),$(try_body))
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define try_body
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{ $(log_body); \
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printf '%s ?= %s\n' '$(1)' '$(2)' >> "$(CONFIG)"; }
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endef
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# if the rule being executed isn't logged yet, log it
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define log_body
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{ grep -q '^# $@$$' "$(CONFIG)" || printf '# %s\n' '$@' >> "$(CONFIG)"; }
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endef
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# convert tag list into a list of relative package list paths
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tags = $(addprefix tagged/,$(shell echo "$(1)" | bin/tags2lists))
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