Openwrt/include/subdir.mk
Paul Spooren a17b8eaa2e build: use SPDX license tags
The license folder is a core part of OpenWrt and all GPL-2.0 licensed.
Use SPDX license tags to allow machines to check licenses.

Signed-off-by: Paul Spooren <mail@aparcar.org>
[rebase, keep some Copyright lines, sharpen commit message]
Signed-off-by: Adrian Schmutzler <freifunk@adrianschmutzler.de>
2021-02-05 14:54:47 +01:00

105 lines
4.3 KiB
Makefile

# SPDX-License-Identifier: GPL-2.0-only
#
# Copyright (C) 2007-2020 OpenWrt.org
ifeq ($(MAKECMDGOALS),prereq)
SUBTARGETS:=prereq
PREREQ_ONLY:=1
else
SUBTARGETS:=$(DEFAULT_SUBDIR_TARGETS)
endif
subtarget-default = $(filter-out ., \
$(if $($(1)/builddirs-$(2)),$($(1)/builddirs-$(2)), \
$(if $($(1)/builddirs-default),$($(1)/builddirs-default), \
$($(1)/builddirs))))
define subtarget
$(call warn_eval,$(1),t,T,$(1)/$(2): $($(1)/) $(foreach bd,$(call subtarget-default,$(1),$(2)),$(1)/$(bd)/$(2)))
endef
define ERROR
($(call MESSAGE, $(2)); $(if $(BUILD_LOG), echo "$(2)" >> $(BUILD_LOG_DIR)/$(1)/error.txt;) $(if $(3),, exit 1;))
endef
lastdir=$(word $(words $(subst /, ,$(1))),$(subst /, ,$(1)))
diralias=$(if $(findstring $(1),$(call lastdir,$(1))),,$(call lastdir,$(1)))
subdir_make_opts = \
-r -C $(1) \
BUILD_SUBDIR="$(1)" \
BUILD_VARIANT="$(4)"
# 1: subdir
# 2: target
# 3: build type
# 4: build variant
log_make = \
$(if $(call debug,$(1),v),,@)+ \
$(if $(BUILD_LOG), \
set -o pipefail; \
mkdir -p $(BUILD_LOG_DIR)/$(1)$(if $(4),/$(4));) \
$(SCRIPT_DIR)/time.pl "time: $(1)$(if $(4),/$(4))/$(if $(3),$(3)-)$(2)" \
$$(SUBMAKE) $(subdir_make_opts) $(if $(3),$(3)-)$(2) \
$(if $(BUILD_LOG),SILENT= 2>&1 | tee $(BUILD_LOG_DIR)/$(1)$(if $(4),/$(4))/$(if $(3),$(3)-)$(2).txt)
ifdef CONFIG_AUTOREMOVE
rebuild_check = \
@-$$(NO_TRACE_MAKE) $(subdir_make_opts) check-depends >/dev/null 2>/dev/null; \
$(if $(BUILD_LOG),mkdir -p $(BUILD_LOG_DIR)/$(1)$(if $(4),/$(4));) \
$$(NO_TRACE_MAKE) $(if $(BUILD_LOG),-d) -q $(subdir_make_opts) .$(if $(3),$(3)-)$(2) \
> $(if $(BUILD_LOG),$(BUILD_LOG_DIR)/$(1)$(if $(4),/$(4))/check-$(if $(3),$(3)-)$(2).txt,/dev/null) 2>&1 || \
$$(SUBMAKE) $(subdir_make_opts) clean-build >/dev/null 2>/dev/null
endif
# Parameters: <subdir>
define subdir
$(call warn,$(1),d,D $(1))
$(foreach bd,$($(1)/builddirs),
$(call warn,$(1),d,BD $(1)/$(bd))
$(foreach target,$(SUBTARGETS) $($(1)/subtargets),
$(foreach btype,$(buildtypes-$(bd)),
$(call warn_eval,$(1)/$(bd),t,T,$(1)/$(bd)/$(btype)/$(target): $(if $(NO_DEPS)$(QUILT),,$($(1)/$(bd)/$(btype)/$(target)) $(call $(1)//$(btype)/$(target),$(1)/$(bd)/$(btype))))
$(call log_make,$(1)/$(bd),$(target),$(btype),$(filter-out __default,$(variant))) \
|| $(call ERROR,$(2), ERROR: $(1)/$(bd) [$(btype)] failed to build.,$(findstring $(bd),$($(1)/builddirs-ignore-$(btype)-$(target))))
$(if $(call diralias,$(bd)),$(call warn_eval,$(1)/$(bd),l,T,$(1)/$(call diralias,$(bd))/$(btype)/$(target): $(1)/$(bd)/$(btype)/$(target)))
)
$(call warn_eval,$(1)/$(bd),t,T,$(1)/$(bd)/$(target): $(if $(NO_DEPS)$(QUILT),,$($(1)/$(bd)/$(target)) $(call $(1)//$(target),$(1)/$(bd))))
$(foreach variant,$(if $(BUILD_VARIANT),$(BUILD_VARIANT),$(if $(strip $($(1)/$(bd)/variants)),$($(1)/$(bd)/variants),$(if $($(1)/$(bd)/default-variant),$($(1)/$(bd)/default-variant),__default))),
$(if $(BUILD_LOG),@mkdir -p $(BUILD_LOG_DIR)/$(1)/$(bd)/$(filter-out __default,$(variant)))
$(if $($(1)/autoremove),$(call rebuild_check,$(1)/$(bd),$(target),,$(filter-out __default,$(variant))))
$(call log_make,$(1)/$(bd),$(target),,$(filter-out __default,$(variant))) \
|| $(call ERROR,$(1), ERROR: $(1)/$(bd) failed to build$(if $(filter-out __default,$(variant)), (build variant: $(variant))).,$(findstring $(bd),$($(1)/builddirs-ignore-$(target))))
)
$(if $(PREREQ_ONLY)$(DUMP_TARGET_DB),,
# aliases
$(if $(call diralias,$(bd)),$(call warn_eval,$(1)/$(bd),l,T,$(1)/$(call diralias,$(bd))/$(target): $(1)/$(bd)/$(target)))
)
)
)
$(foreach target,$(SUBTARGETS) $($(1)/subtargets),$(call subtarget,$(1),$(target)))
endef
ifndef DUMP_TARGET_DB
# Parameters: <subdir> <name> <target> <depends> <config options> <stampfile location>
define stampfile
$(1)/stamp-$(3):=$(if $(6),$(6),$(STAGING_DIR))/stamp/.$(2)_$(3)$(5)
$$($(1)/stamp-$(3)): $(TMP_DIR)/.build $(4)
@+$(SCRIPT_DIR)/timestamp.pl -n $$($(1)/stamp-$(3)) $(1) $(4) || \
$(MAKE) $(if $(QUIET),--no-print-directory) $$($(1)/flags-$(3)) $(1)/$(3)
@mkdir -p $$$$(dirname $$($(1)/stamp-$(3)))
@touch $$($(1)/stamp-$(3))
$$(if $(call debug,$(1),v),,.SILENT: $$($(1)/stamp-$(3)))
.PRECIOUS: $$($(1)/stamp-$(3)) # work around a make bug
$(1)//clean:=$(1)/stamp-$(3)/clean
$(1)/stamp-$(3)/clean: FORCE
@rm -f $$($(1)/stamp-$(3))
endef
endif