1c7163083SMasahiro Yamada# 2c7163083SMasahiro Yamada# (C) Copyright 2000-2011 3c7163083SMasahiro Yamada# Wolfgang Denk, DENX Software Engineering, wd@denx.de. 4c7163083SMasahiro Yamada# 5c7163083SMasahiro Yamada# (C) Copyright 2011 6c7163083SMasahiro Yamada# Daniel Schwierzeck, daniel.schwierzeck@googlemail.com. 7c7163083SMasahiro Yamada# 8c7163083SMasahiro Yamada# (C) Copyright 2011 9c7163083SMasahiro Yamada# Texas Instruments Incorporated - http://www.ti.com/ 10c7163083SMasahiro Yamada# Aneesh V <aneesh@ti.com> 11c7163083SMasahiro Yamada# 12c7163083SMasahiro Yamada# SPDX-License-Identifier: GPL-2.0+ 13c7163083SMasahiro Yamada# 14c7163083SMasahiro Yamada# Based on top-level Makefile. 15c7163083SMasahiro Yamada# 16c7163083SMasahiro Yamada 17c7163083SMasahiro Yamadasrc := $(obj) 18c7163083SMasahiro Yamada 19c7163083SMasahiro Yamada# Create output directory if not already present 20c7163083SMasahiro Yamada_dummy := $(shell [ -d $(obj) ] || mkdir -p $(obj)) 21c7163083SMasahiro Yamada 22c7163083SMasahiro Yamadainclude $(srctree)/scripts/Kbuild.include 23c7163083SMasahiro Yamada 24e02ee254SMasahiro Yamada-include include/config/auto.conf 2551148790SMasahiro Yamada-include $(obj)/include/autoconf.mk 26c7163083SMasahiro Yamada 27e02ee254SMasahiro YamadaKBUILD_CPPFLAGS += -DCONFIG_SPL_BUILD 28c7163083SMasahiro Yamadaifeq ($(CONFIG_TPL_BUILD),y) 29e02ee254SMasahiro YamadaKBUILD_CPPFLAGS += -DCONFIG_TPL_BUILD 30e02ee254SMasahiro Yamadaendif 31e02ee254SMasahiro Yamada 32e02ee254SMasahiro Yamadaifeq ($(CONFIG_TPL_BUILD),y) 33c7163083SMasahiro YamadaSPL_BIN := u-boot-tpl 34c7163083SMasahiro Yamadaelse 35c7163083SMasahiro YamadaSPL_BIN := u-boot-spl 36c7163083SMasahiro Yamadaendif 37c7163083SMasahiro Yamada 38c7163083SMasahiro Yamadainclude $(srctree)/config.mk 39e19db555SDaniel Schwierzeckinclude $(srctree)/arch/$(ARCH)/Makefile 40c7163083SMasahiro Yamada 41c7163083SMasahiro Yamada# Enable garbage collection of un-used sections for SPL 42c7163083SMasahiro YamadaKBUILD_CFLAGS += -ffunction-sections -fdata-sections 43c7163083SMasahiro YamadaLDFLAGS_FINAL += --gc-sections 44c7163083SMasahiro Yamada 45c7163083SMasahiro Yamada# FIX ME 46c7163083SMasahiro Yamadacpp_flags := $(KBUILD_CPPFLAGS) $(PLATFORM_CPPFLAGS) $(UBOOTINCLUDE) \ 47c7163083SMasahiro Yamada $(NOSTDINC_FLAGS) 48c7163083SMasahiro Yamada 49c7163083SMasahiro YamadaHAVE_VENDOR_COMMON_LIB = $(if $(wildcard $(srctree)/board/$(VENDOR)/common/Makefile),y,n) 50c7163083SMasahiro Yamada 51c7163083SMasahiro Yamadalibs-y += $(if $(BOARDDIR),board/$(BOARDDIR)/) 52c7163083SMasahiro Yamadalibs-$(HAVE_VENDOR_COMMON_LIB) += board/$(VENDOR)/common/ 53c7163083SMasahiro Yamada 54c7163083SMasahiro Yamadalibs-$(CONFIG_SPL_FRAMEWORK) += common/spl/ 55c7163083SMasahiro Yamadalibs-$(CONFIG_SPL_LIBCOMMON_SUPPORT) += common/ 56c7163083SMasahiro Yamadalibs-$(CONFIG_SPL_LIBDISK_SUPPORT) += disk/ 57f26c8a8eSSimon Glasslibs-$(CONFIG_SPL_CLK_SUPPORT) += drivers/clk/ 5811516518SSimon Glasslibs-$(CONFIG_SPL_DM) += drivers/core/ 59c7163083SMasahiro Yamadalibs-$(CONFIG_SPL_I2C_SUPPORT) += drivers/i2c/ 60c7163083SMasahiro Yamadalibs-$(CONFIG_SPL_GPIO_SUPPORT) += drivers/gpio/ 61c7163083SMasahiro Yamadalibs-$(CONFIG_SPL_MMC_SUPPORT) += drivers/mmc/ 62c7163083SMasahiro Yamadalibs-$(CONFIG_SPL_MPC8XXX_INIT_DDR_SUPPORT) += drivers/ddr/fsl/ 63f1df9364SStefan Roeselibs-$(CONFIG_SYS_MVEBU_DDR_A38X) += drivers/ddr/marvell/a38x/ 64ff9112dfSStefan Roeselibs-$(CONFIG_SYS_MVEBU_DDR_AXP) += drivers/ddr/marvell/axp/ 659bbd2132SDinh Nguyenlibs-$(CONFIG_ALTERA_SDRAM) += drivers/ddr/altera/ 66c7163083SMasahiro Yamadalibs-$(CONFIG_SPL_SERIAL_SUPPORT) += drivers/serial/ 67c7163083SMasahiro Yamadalibs-$(CONFIG_SPL_SPI_FLASH_SUPPORT) += drivers/mtd/spi/ 68c7163083SMasahiro Yamadalibs-$(CONFIG_SPL_SPI_SUPPORT) += drivers/spi/ 69c7163083SMasahiro Yamadalibs-y += fs/ 705917112cSSimon Glasslibs-$(CONFIG_SPL_LED_SUPPORT) += drivers/led/ 71c7163083SMasahiro Yamadalibs-$(CONFIG_SPL_LIBGENERIC_SUPPORT) += lib/ 72c7163083SMasahiro Yamadalibs-$(CONFIG_SPL_POWER_SUPPORT) += drivers/power/ drivers/power/pmic/ 7330987ef1SSimon Glasslibs-$(CONFIG_SPL_POWER_SUPPORT) += drivers/power/regulator/ 74c7163083SMasahiro Yamadalibs-$(CONFIG_SPL_MTD_SUPPORT) += drivers/mtd/ 75167544e8SMasahiro Yamadalibs-$(CONFIG_SPL_NAND_SUPPORT) += drivers/mtd/nand/ 76c7163083SMasahiro Yamadalibs-$(CONFIG_SPL_DRIVERS_MISC_SUPPORT) += drivers/misc/ 77c7163083SMasahiro Yamadalibs-$(CONFIG_SPL_ONENAND_SUPPORT) += drivers/mtd/onenand/ 78c7163083SMasahiro Yamadalibs-$(CONFIG_SPL_DMA_SUPPORT) += drivers/dma/ 79c7163083SMasahiro Yamadalibs-$(CONFIG_SPL_POST_MEM_SUPPORT) += post/drivers/ 80c7163083SMasahiro Yamadalibs-$(CONFIG_SPL_NET_SUPPORT) += net/ 81c7163083SMasahiro Yamadalibs-$(CONFIG_SPL_ETH_SUPPORT) += drivers/net/ 82c7163083SMasahiro Yamadalibs-$(CONFIG_SPL_ETH_SUPPORT) += drivers/net/phy/ 83c7163083SMasahiro Yamadalibs-$(CONFIG_SPL_USBETH_SUPPORT) += drivers/net/phy/ 846c51df68SSimon Glasslibs-$(CONFIG_SPL_RAM_SUPPORT) += drivers/ram/ 85c7163083SMasahiro Yamadalibs-$(CONFIG_SPL_MUSB_NEW_SUPPORT) += drivers/usb/musb-new/ 86c7163083SMasahiro Yamadalibs-$(CONFIG_SPL_USBETH_SUPPORT) += drivers/usb/gadget/ 87c7163083SMasahiro Yamadalibs-$(CONFIG_SPL_WATCHDOG_SUPPORT) += drivers/watchdog/ 88c7163083SMasahiro Yamadalibs-$(CONFIG_SPL_USB_HOST_SUPPORT) += drivers/usb/host/ 89c7163083SMasahiro Yamadalibs-$(CONFIG_OMAP_USB_PHY) += drivers/usb/phy/ 90c7163083SMasahiro Yamadalibs-$(CONFIG_SPL_SATA_SUPPORT) += drivers/block/ 91c7163083SMasahiro Yamada 92c7163083SMasahiro Yamadahead-y := $(addprefix $(obj)/,$(head-y)) 93c7163083SMasahiro Yamadalibs-y := $(addprefix $(obj)/,$(libs-y)) 94c7163083SMasahiro Yamadau-boot-spl-dirs := $(patsubst %/,%,$(filter %/, $(libs-y))) 95c7163083SMasahiro Yamada 96c7163083SMasahiro Yamadalibs-y := $(patsubst %/, %/built-in.o, $(libs-y)) 97c7163083SMasahiro Yamada 98c7163083SMasahiro Yamada# Add GCC lib 99c7163083SMasahiro Yamadaifeq ($(CONFIG_USE_PRIVATE_LIBGCC),y) 100c7163083SMasahiro YamadaPLATFORM_LIBGCC = arch/$(ARCH)/lib/lib.a 101c7163083SMasahiro YamadaPLATFORM_LIBS := $(filter-out %/lib.a, $(filter-out -lgcc, $(PLATFORM_LIBS))) $(PLATFORM_LIBGCC) 102c7163083SMasahiro Yamadaendif 103c7163083SMasahiro Yamada 104c7163083SMasahiro Yamadau-boot-spl-init := $(head-y) 105c7163083SMasahiro Yamadau-boot-spl-main := $(libs-y) 106c7163083SMasahiro Yamada 107c7163083SMasahiro Yamada# Linker Script 108c7163083SMasahiro Yamadaifdef CONFIG_SPL_LDSCRIPT 109c7163083SMasahiro Yamada# need to strip off double quotes 110c7163083SMasahiro YamadaLDSCRIPT := $(addprefix $(srctree)/,$(CONFIG_SPL_LDSCRIPT:"%"=%)) 111c7163083SMasahiro Yamadaendif 112c7163083SMasahiro Yamada 113c7163083SMasahiro Yamadaifeq ($(wildcard $(LDSCRIPT)),) 114c7163083SMasahiro Yamada LDSCRIPT := $(srctree)/board/$(BOARDDIR)/u-boot-spl.lds 115c7163083SMasahiro Yamadaendif 116c7163083SMasahiro Yamadaifeq ($(wildcard $(LDSCRIPT)),) 117c7163083SMasahiro Yamada LDSCRIPT := $(srctree)/$(CPUDIR)/u-boot-spl.lds 118c7163083SMasahiro Yamadaendif 119c7163083SMasahiro Yamadaifeq ($(wildcard $(LDSCRIPT)),) 120c7163083SMasahiro Yamada LDSCRIPT := $(srctree)/arch/$(ARCH)/cpu/u-boot-spl.lds 121c7163083SMasahiro Yamadaendif 122c7163083SMasahiro Yamadaifeq ($(wildcard $(LDSCRIPT)),) 123c7163083SMasahiro Yamada$(error could not find linker script) 124c7163083SMasahiro Yamadaendif 125c7163083SMasahiro Yamada 126c7163083SMasahiro Yamada# Special flags for CPP when processing the linker script. 127c7163083SMasahiro Yamada# Pass the version down so we can handle backwards compatibility 128c7163083SMasahiro Yamada# on the fly. 129c7163083SMasahiro YamadaLDPPFLAGS += \ 130c7163083SMasahiro Yamada -include $(srctree)/include/u-boot/u-boot.lds.h \ 131c7163083SMasahiro Yamada -include $(objtree)/include/config.h \ 132c7163083SMasahiro Yamada -DCPUDIR=$(CPUDIR) \ 133c7163083SMasahiro Yamada $(shell $(LD) --version | \ 134c7163083SMasahiro Yamada sed -ne 's/GNU ld version \([0-9][0-9]*\)\.\([0-9][0-9]*\).*/-DLD_MAJOR=\1 -DLD_MINOR=\2/p') 135c7163083SMasahiro Yamada 136c7163083SMasahiro Yamadaquiet_cmd_mkimage = MKIMAGE $@ 137c7163083SMasahiro Yamadacmd_mkimage = $(objtree)/tools/mkimage $(MKIMAGEFLAGS_$(@F)) -d $< $@ \ 138c7163083SMasahiro Yamada $(if $(KBUILD_VERBOSE:1=), >/dev/null) 139c7163083SMasahiro Yamada 140c7163083SMasahiro YamadaMKIMAGEFLAGS_MLO = -T omapimage -a $(CONFIG_SPL_TEXT_BASE) 141c7163083SMasahiro Yamada 142c7163083SMasahiro YamadaMKIMAGEFLAGS_MLO.byteswap = -T omapimage -n byteswap -a $(CONFIG_SPL_TEXT_BASE) 143c7163083SMasahiro Yamada 144c7163083SMasahiro YamadaMLO MLO.byteswap: $(obj)/u-boot-spl.bin 145c7163083SMasahiro Yamada $(call if_changed,mkimage) 146c7163083SMasahiro Yamada 147c7163083SMasahiro YamadaMKIMAGEFLAGS_boot.bin = -T atmelimage 148c7163083SMasahiro Yamada 149c7163083SMasahiro Yamadaifeq ($(CONFIG_SPL_GENERATE_ATMEL_PMECC_HEADER),y) 150c7163083SMasahiro YamadaMKIMAGEFLAGS_boot.bin += -n $(shell $(obj)/../tools/atmel_pmecc_params) 151c7163083SMasahiro Yamada 152c7163083SMasahiro Yamadaboot.bin: $(obj)/../tools/atmel_pmecc_params 153c7163083SMasahiro Yamadaendif 154c7163083SMasahiro Yamada 155c7163083SMasahiro Yamadaboot.bin: $(obj)/u-boot-spl.bin 156c7163083SMasahiro Yamada $(call if_changed,mkimage) 157c7163083SMasahiro Yamada 158741e58e0SSimon GlassALL-y += $(obj)/$(SPL_BIN).bin $(obj)/$(SPL_BIN).cfg 159c7163083SMasahiro Yamada 160fa78e0a3SSimon GlassALL-$(CONFIG_OF_SEPARATE) += $(obj)/$(SPL_BIN)-pad.bin $(obj)/$(SPL_BIN)-dtb.bin 161fa78e0a3SSimon Glass 162c7163083SMasahiro Yamadaifdef CONFIG_SAMSUNG 163c7163083SMasahiro YamadaALL-y += $(obj)/$(BOARD)-spl.bin 164c7163083SMasahiro Yamadaendif 165c7163083SMasahiro Yamada 166*333b7209SMarek Vasutifdef CONFIG_ARCH_SOCFPGA 167*333b7209SMarek VasutALL-y += $(obj)/$(SPL_BIN)-dtb.sfp 168*333b7209SMarek Vasutendif 169*333b7209SMarek Vasut 170c7163083SMasahiro Yamadaifdef CONFIG_SUNXI 171c7163083SMasahiro YamadaALL-y += $(obj)/sunxi-spl.bin 172c7163083SMasahiro Yamadaendif 173c7163083SMasahiro Yamada 174c001486dSHeiko Schocherifeq ($(CONFIG_SYS_SOC),"at91") 175c001486dSHeiko SchocherALL-y += boot.bin 176c001486dSHeiko Schocherendif 177c001486dSHeiko Schocher 178c7163083SMasahiro Yamadaall: $(ALL-y) 179c7163083SMasahiro Yamada 180fa78e0a3SSimon Glassquiet_cmd_cat = CAT $@ 181fa78e0a3SSimon Glasscmd_cat = cat $(filter-out $(PHONY), $^) > $@ 182fa78e0a3SSimon Glass 183fa78e0a3SSimon Glass$(obj)/$(SPL_BIN)-dtb.bin: $(obj)/$(SPL_BIN).bin $(obj)/$(SPL_BIN)-pad.bin \ 184fa78e0a3SSimon Glass $(obj)/$(SPL_BIN).dtb FORCE 185fa78e0a3SSimon Glass $(call if_changed,cat) 186fa78e0a3SSimon Glass 187fa78e0a3SSimon Glass# Create a file that pads from the end of u-boot-spl.bin to bss_end 188fa78e0a3SSimon Glass$(obj)/$(SPL_BIN)-pad.bin: $(obj)/$(SPL_BIN) 189fa78e0a3SSimon Glass @bss_size_str=$(shell $(NM) $< | awk 'BEGIN {size = 0} /__bss_size/ {size = $$1} END {print "ibase=16; " toupper(size)}' | bc); \ 190fa78e0a3SSimon Glass dd if=/dev/zero of=$@ bs=1 count=$${bss_size_str} 2>/dev/null; 191fa78e0a3SSimon Glass 192fa78e0a3SSimon Glass# Pass the original device tree file through fdtgrep twice. The first pass 193fa78e0a3SSimon Glass# removes any unwanted nodes (i.e. those which don't have the 194fa78e0a3SSimon Glass# 'u-boot,dm-pre-reloc' property and thus are not needed by SPL. The second 195fa78e0a3SSimon Glass# pass removes various unused properties from the remaining nodes. 196fa78e0a3SSimon Glass# The output is typically a much smaller device tree file. 197fa78e0a3SSimon Glassquiet_cmd_fdtgrep = FDTGREP $@ 198fa78e0a3SSimon Glass cmd_fdtgrep = $(objtree)/tools/fdtgrep -b u-boot,dm-pre-reloc -RT $< \ 199fa78e0a3SSimon Glass -n /chosen -O dtb | \ 200fa78e0a3SSimon Glass $(objtree)/tools/fdtgrep -r -O dtb - -o $@ \ 201fa78e0a3SSimon Glass $(addprefix -P ,$(subst $\",,$(CONFIG_OF_SPL_REMOVE_PROPS))) 202fa78e0a3SSimon Glass 203fa78e0a3SSimon Glass$(obj)/$(SPL_BIN).dtb: dts/dt.dtb 204fa78e0a3SSimon Glass $(call cmd,fdtgrep) 205fa78e0a3SSimon Glass 206741e58e0SSimon Glassquiet_cmd_cpp_cfg = CFG $@ 207741e58e0SSimon Glasscmd_cpp_cfg = $(CPP) -Wp,-MD,$(depfile) $(cpp_flags) $(LDPPFLAGS) -ansi \ 2083113471fSMasahiro Yamada -DDO_DEPS_ONLY -D__ASSEMBLY__ -x assembler-with-cpp -P -dM -E -o $@ $< 209741e58e0SSimon Glass 210741e58e0SSimon Glass$(obj)/$(SPL_BIN).cfg: include/config.h 211741e58e0SSimon Glass $(call if_changed,cpp_cfg) 212741e58e0SSimon Glass 213c7163083SMasahiro Yamadaifdef CONFIG_SAMSUNG 214c7163083SMasahiro Yamadaifdef CONFIG_VAR_SIZE_SPL 215c7163083SMasahiro YamadaVAR_SIZE_PARAM = --vs 216c7163083SMasahiro Yamadaelse 217c7163083SMasahiro YamadaVAR_SIZE_PARAM = 218c7163083SMasahiro Yamadaendif 219c7163083SMasahiro Yamada$(obj)/$(BOARD)-spl.bin: $(obj)/u-boot-spl.bin 220c7163083SMasahiro Yamada $(if $(wildcard $(objtree)/spl/board/samsung/$(BOARD)/tools/mk$(BOARD)spl),\ 221c7163083SMasahiro Yamada $(objtree)/spl/board/samsung/$(BOARD)/tools/mk$(BOARD)spl,\ 222c7163083SMasahiro Yamada $(objtree)/tools/mkexynosspl) $(VAR_SIZE_PARAM) $< $@ 223c7163083SMasahiro Yamadaendif 224c7163083SMasahiro Yamada 225c7163083SMasahiro Yamadaquiet_cmd_objcopy = OBJCOPY $@ 226c7163083SMasahiro Yamadacmd_objcopy = $(OBJCOPY) $(OBJCOPYFLAGS) $(OBJCOPYFLAGS_$(@F)) $< $@ 227c7163083SMasahiro Yamada 228c7163083SMasahiro YamadaOBJCOPYFLAGS_$(SPL_BIN).bin = $(SPL_OBJCFLAGS) -O binary 229c7163083SMasahiro Yamada 230c7163083SMasahiro Yamada$(obj)/$(SPL_BIN).bin: $(obj)/$(SPL_BIN) FORCE 231c7163083SMasahiro Yamada $(call if_changed,objcopy) 232c7163083SMasahiro Yamada 233c7163083SMasahiro YamadaLDFLAGS_$(SPL_BIN) += -T u-boot-spl.lds $(LDFLAGS_FINAL) 234c7163083SMasahiro Yamadaifneq ($(CONFIG_SPL_TEXT_BASE),) 235c7163083SMasahiro YamadaLDFLAGS_$(SPL_BIN) += -Ttext $(CONFIG_SPL_TEXT_BASE) 236c7163083SMasahiro Yamadaendif 237c7163083SMasahiro Yamada 238*333b7209SMarek Vasutifdef CONFIG_ARCH_SOCFPGA 239*333b7209SMarek VasutMKIMAGEFLAGS_$(SPL_BIN)-dtb.sfp = -T socfpgaimage 240*333b7209SMarek Vasut$(obj)/$(SPL_BIN)-dtb.sfp: $(obj)/$(SPL_BIN)-dtb.bin FORCE 241*333b7209SMarek Vasut $(call if_changed,mkimage) 242*333b7209SMarek Vasutendif 243*333b7209SMarek Vasut 244c7163083SMasahiro Yamadaifdef CONFIG_SUNXI 245c7163083SMasahiro Yamadaquiet_cmd_mksunxiboot = MKSUNXI $@ 246c7163083SMasahiro Yamadacmd_mksunxiboot = $(objtree)/tools/mksunxiboot $< $@ 247c7163083SMasahiro Yamada$(obj)/sunxi-spl.bin: $(obj)/$(SPL_BIN).bin 248c7163083SMasahiro Yamada $(call if_changed,mksunxiboot) 249c7163083SMasahiro Yamadaendif 250c7163083SMasahiro Yamada 251c7163083SMasahiro Yamadaquiet_cmd_u-boot-spl = LD $@ 2529adb6d24SMasahiro Yamada cmd_u-boot-spl = (cd $(obj) && $(LD) $(LDFLAGS) $(LDFLAGS_$(@F)) \ 253c7163083SMasahiro Yamada $(patsubst $(obj)/%,%,$(u-boot-spl-init)) --start-group \ 254c7163083SMasahiro Yamada $(patsubst $(obj)/%,%,$(u-boot-spl-main)) --end-group \ 2559adb6d24SMasahiro Yamada $(PLATFORM_LIBS) -Map $(SPL_BIN).map -o $(SPL_BIN)) 256c7163083SMasahiro Yamada 2579adb6d24SMasahiro Yamada$(obj)/$(SPL_BIN): $(u-boot-spl-init) $(u-boot-spl-main) $(obj)/u-boot-spl.lds FORCE 2589adb6d24SMasahiro Yamada $(call if_changed,u-boot-spl) 259c7163083SMasahiro Yamada 260c7163083SMasahiro Yamada$(sort $(u-boot-spl-init) $(u-boot-spl-main)): $(u-boot-spl-dirs) ; 261c7163083SMasahiro Yamada 262c7163083SMasahiro YamadaPHONY += $(u-boot-spl-dirs) 263c7163083SMasahiro Yamada$(u-boot-spl-dirs): 264c7163083SMasahiro Yamada $(Q)$(MAKE) $(build)=$@ 265c7163083SMasahiro Yamada 266c7163083SMasahiro Yamadaquiet_cmd_cpp_lds = LDS $@ 267c7163083SMasahiro Yamadacmd_cpp_lds = $(CPP) -Wp,-MD,$(depfile) $(cpp_flags) $(LDPPFLAGS) -ansi \ 268c7163083SMasahiro Yamada -D__ASSEMBLY__ -x assembler-with-cpp -P -o $@ $< 269c7163083SMasahiro Yamada 270c7163083SMasahiro Yamada$(obj)/u-boot-spl.lds: $(LDSCRIPT) FORCE 271c7163083SMasahiro Yamada $(call if_changed_dep,cpp_lds) 272c7163083SMasahiro Yamada 273c7163083SMasahiro Yamada# read all saved command lines 274c7163083SMasahiro Yamada 275c7163083SMasahiro Yamadatargets := $(wildcard $(sort $(targets))) 276c7163083SMasahiro Yamadacmd_files := $(wildcard $(obj)/.*.cmd $(foreach f,$(targets),$(dir $(f)).$(notdir $(f)).cmd)) 277c7163083SMasahiro Yamada 278c7163083SMasahiro Yamadaifneq ($(cmd_files),) 279c7163083SMasahiro Yamada $(cmd_files): ; # Do not try to update included dependency files 280c7163083SMasahiro Yamada include $(cmd_files) 281c7163083SMasahiro Yamadaendif 282c7163083SMasahiro Yamada 283c7163083SMasahiro YamadaPHONY += FORCE 284c7163083SMasahiro YamadaFORCE: 285c7163083SMasahiro Yamada 286c7163083SMasahiro Yamada# Declare the contents of the .PHONY variable as phony. We keep that 287c7163083SMasahiro Yamada# information in a variable so we can use it in if_changed and friends. 288c7163083SMasahiro Yamada.PHONY: $(PHONY) 289