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https://github.com/openwrt/openwrt.git
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7a523569f7
This is used to save space on buildbot instances. If any part of a package needs to be rebuild, the whole package is rebuilt from scratch. Stamp files are preserved to allow dependency checks to work Signed-off-by: Felix Fietkau <nbd@nbd.name>
107 lines
4.2 KiB
Makefile
107 lines
4.2 KiB
Makefile
#
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# Copyright (C) 2007 OpenWrt.org
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#
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# This is free software, licensed under the GNU General Public License v2.
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# See /LICENSE for more information.
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#
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ifeq ($(MAKECMDGOALS),prereq)
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SUBTARGETS:=prereq
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PREREQ_ONLY:=1
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else
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SUBTARGETS:=$(DEFAULT_SUBDIR_TARGETS)
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endif
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subtarget-default = $(filter-out ., \
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$(if $($(1)/builddirs-$(2)),$($(1)/builddirs-$(2)), \
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$(if $($(1)/builddirs-default),$($(1)/builddirs-default), \
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$($(1)/builddirs))))
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define subtarget
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$(call warn_eval,$(1),t,T,$(1)/$(2): $($(1)/) $(foreach bd,$(call subtarget-default,$(1),$(2)),$(1)/$(bd)/$(2)))
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endef
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define ERROR
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($(call MESSAGE, $(2)); $(if $(BUILD_LOG), echo "$(2)" >> $(BUILD_LOG_DIR)/$(1)/error.txt))
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endef
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lastdir=$(word $(words $(subst /, ,$(1))),$(subst /, ,$(1)))
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diralias=$(if $(findstring $(1),$(call lastdir,$(1))),,$(call lastdir,$(1)))
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subdir_make_opts = \
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-r -C $(1) \
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BUILD_SUBDIR="$(1)" \
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BUILD_VARIANT="$(4)"
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# 1: subdir
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# 2: target
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# 3: build type
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# 4: build variant
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log_make = \
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$(if $(call debug,$(1),v),,@)+ \
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$(if $(BUILD_LOG), \
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set -o pipefail; \
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mkdir -p $(BUILD_LOG_DIR)/$(1)$(if $(4),/$(4));) \
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$$(SUBMAKE) $(subdir_make_opts) $(if $(3),$(3)-)$(2) \
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$(if $(BUILD_LOG),SILENT= 2>&1 | tee $(BUILD_LOG_DIR)/$(1)$(if $(4),/$(4))/$(if $(3),$(3)-)$(2).txt)
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ifdef CONFIG_AUTOREMOVE
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rebuild_check = \
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@-$$(NO_TRACE_MAKE) $(subdir_make_opts) check-depends >/dev/null 2>/dev/null; \
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$(if $(BUILD_LOG),mkdir -p $(BUILD_LOG_DIR)/$(1)$(if $(4),/$(4));) \
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$$(NO_TRACE_MAKE) $(if $(BUILD_LOG),-d) -q $(subdir_make_opts) .$(if $(3),$(3)-)$(2) \
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> $(if $(BUILD_LOG),$(BUILD_LOG_DIR)/$(1)$(if $(4),/$(4))/check-$(if $(3),$(3)-)$(2).txt,/dev/null) 2>&1 || \
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$$(SUBMAKE) $(subdir_make_opts) clean >/dev/null 2>/dev/null
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endif
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# Parameters: <subdir>
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define subdir
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$(call warn,$(1),d,D $(1))
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$(foreach bd,$($(1)/builddirs),
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$(call warn,$(1),d,BD $(1)/$(bd))
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$(foreach target,$(SUBTARGETS),
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$(foreach btype,$(buildtypes-$(bd)),
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$(call warn_eval,$(1)/$(bd),t,T,$(1)/$(bd)/$(btype)/$(target): $(if $(QUILT),,$($(1)/$(bd)/$(btype)/$(target)) $(call $(1)//$(btype)/$(target),$(1)/$(bd)/$(btype))))
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$(call log_make,$(1)/$(bd),$(target),$(btype),$(filter-out __default,$(variant))) \
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$(if $(findstring $(bd),$($(1)/builddirs-ignore-$(btype)-$(target))), || $(call ERROR,$(1), ERROR: $(1)/$(bd) [$(btype)] failed to build.))
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$(if $(call diralias,$(bd)),$(call warn_eval,$(1)/$(bd),l,T,$(1)/$(call diralias,$(bd))/$(btype)/$(target): $(1)/$(bd)/$(btype)/$(target)))
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)
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$(call warn_eval,$(1)/$(bd),t,T,$(1)/$(bd)/$(target): $(if $(QUILT),,$($(1)/$(bd)/$(target)) $(call $(1)//$(target),$(1)/$(bd))))
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$(foreach variant,$(if $(BUILD_VARIANT),$(BUILD_VARIANT),$(if $(strip $($(1)/$(bd)/variants)),$($(1)/$(bd)/variants),$(if $($(1)/$(bd)/default-variant),$($(1)/$(bd)/default-variant),__default))),
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$(if $(BUILD_LOG),@mkdir -p $(BUILD_LOG_DIR)/$(1)/$(bd)/$(filter-out __default,$(variant)))
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$(if $($(1)/autoremove),$(call rebuild_check,$(1)/$(bd),$(target),,$(filter-out __default,$(variant))))
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$(call log_make,$(1)/$(bd),$(target),,$(filter-out __default,$(variant))) \
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$(if $(findstring $(bd),$($(1)/builddirs-ignore-$(target))), || $(call ERROR,$(1), ERROR: $(1)/$(bd) failed to build$(if $(filter-out __default,$(variant)), (build variant: $(variant))).))
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)
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$(if $(PREREQ_ONLY)$(DUMP_TARGET_DB),,
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# aliases
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$(if $(call diralias,$(bd)),$(call warn_eval,$(1)/$(bd),l,T,$(1)/$(call diralias,$(bd))/$(target): $(1)/$(bd)/$(target)))
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)
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)
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)
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$(foreach target,$(SUBTARGETS),$(call subtarget,$(1),$(target)))
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endef
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ifndef DUMP_TARGET_DB
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# Parameters: <subdir> <name> <target> <depends> <config options> <stampfile location>
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define stampfile
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$(1)/stamp-$(3):=$(if $(6),$(6),$(STAGING_DIR))/stamp/.$(2)_$(3)$(5)
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$$($(1)/stamp-$(3)): $(TMP_DIR)/.build $(4)
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@+$(SCRIPT_DIR)/timestamp.pl -n $$($(1)/stamp-$(3)) $(1) $(4) || \
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$(MAKE) $(if $(QUIET),--no-print-directory) $$($(1)/flags-$(3)) $(1)/$(3)
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@mkdir -p $$$$(dirname $$($(1)/stamp-$(3)))
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@touch $$($(1)/stamp-$(3))
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$$(if $(call debug,$(1),v),,.SILENT: $$($(1)/stamp-$(3)))
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.PRECIOUS: $$($(1)/stamp-$(3)) # work around a make bug
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$(1)//clean:=$(1)/stamp-$(3)/clean
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$(1)/stamp-$(3)/clean: FORCE
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@rm -f $$($(1)/stamp-$(3))
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endef
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endif
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