51 lines
1.5 KiB
Makefile
51 lines
1.5 KiB
Makefile
BUILDDIR:=$(shell pwd)
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BUILDROOT=$(BUILDDIR)/buildroot
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BUILDROOT_EXTERNAL=$(BUILDDIR)/buildroot-external
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DEFCONFIG_DIR = $(BUILDROOT_EXTERNAL)/configs
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TARGETS := $(notdir $(patsubst %_defconfig,%,$(wildcard $(DEFCONFIG_DIR)/*_defconfig)))
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TARGETS_CONFIG := $(notdir $(patsubst %_defconfig,%-config,$(wildcard $(DEFCONFIG_DIR)/*_defconfig)))
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# Set O variable if not already done on the command line
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ifneq ("$(origin O)", "command line")
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O := $(BUILDDIR)/output
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else
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override O := $(BUILDDIR)/$(O)
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endif
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.NOTPARALLEL: $(TARGETS) $(TARGETS_CONFIG) all
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.PHONY: $(TARGETS) $(TARGETS_CONFIG) all clean help
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all: $(TARGETS)
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savedefconfig:
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@echo "config $*"
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$(MAKE) -C $(BUILDROOT) O=$(O) BR2_EXTERNAL=$(BUILDROOT_EXTERNAL) "savedefconfig"
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$(TARGETS_CONFIG): %-config:
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@echo "config $*"
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$(MAKE) -C $(BUILDROOT) O=$(O) BR2_EXTERNAL=$(BUILDROOT_EXTERNAL) "$*_defconfig"
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$(TARGETS): %: %-config
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@echo "build $@"
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$(MAKE) -C $(BUILDROOT) O=$(O) BR2_EXTERNAL=$(BUILDROOT_EXTERNAL)
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# Do not clean when building for one target
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ifneq ($(words $(filter $(TARGETS),$(MAKECMDGOALS))), 1)
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@echo "clean $@"
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$(MAKE) -C $(BUILDROOT) O=$(O) BR2_EXTERNAL=$(BUILDROOT_EXTERNAL) clean
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endif
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@echo "finished $@"
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clean:
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$(MAKE) -C $(BUILDROOT) O=$(O) BR2_EXTERNAL=$(BUILDROOT_EXTERNAL) clean
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help:
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@echo "Supported targets: $(TARGETS)"
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@echo "Run 'make <target>' to build a target image."
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@echo "Run 'make all' to build all target images."
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@echo "Run 'make clean' to clean the build output."
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@echo "Run 'make <target>-config' to configure buildroot for a target."
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