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Makefile: Remove old of-platdata files before regenerating

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Which files we generate depends on the setting of OF_PLATDATA_INST in the
build. This might change between builds, but the build directory may be
reused.

Leaving old files around is confusing and switching the OF_PLATDATA_INST
setting does not necessarily regenerate the files, e.g. if the devicetree
has not changed.

Remove all the files before regenerating new ones.

Signed-off-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Simon Glass 2021-03-25 06:40:53 +13:00
parent 56b313d1b6
commit 354d232463
1 changed files with 17 additions and 2 deletions
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19
scripts/Makefile.spl
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@ -121,12 +121,22 @@ u-boot-spl-init := $(head-y)
u-boot-spl-main := $(libs-y)
ifdef CONFIG_$(SPL_TPL_)OF_PLATDATA
platdata-hdr := include/generated/dt-structs-gen.h include/generated/dt-decl.h
platdata-inst := $(obj)/dts/dt-uclass.o $(obj)/dts/dt-device.o
platdata-noinst := $(obj)/dts/dt-plat.o
ifdef CONFIG_$(SPL_TPL_)OF_PLATDATA_INST
u-boot-spl-platdata := $(obj)/dts/dt-uclass.o $(obj)/dts/dt-device.o
u-boot-spl-platdata := $(platdata-inst)
u-boot-spl-old-platdata := $(platdata-noinst)
else
u-boot-spl-platdata := $(obj)/dts/dt-plat.o
u-boot-spl-platdata := $(platdata-noinst)
u-boot-spl-old-platdata := $(platdata-inst)
endif
# Files we need to generate
u-boot-spl-platdata_c := $(patsubst %.o,%.c,$(u-boot-spl-platdata))
# Files we won't generate and should remove
u-boot-spl-old-platdata_c := $(patsubst %.o,%.c,$(u-boot-spl-old-platdata))
endif # OF_PLATDATA
# Linker Script
@ -334,6 +344,11 @@ $(obj)/dts/dt-%.o: $(obj)/dts/dt-%.c $(platdata-hdr)
# Don't use dts_dir here, since it forces running this expensive rule every time
$(platdata-hdr) $(u-boot-spl-platdata_c) &: $(obj)/$(SPL_BIN).dtb
@[ -d $(obj)/dts ] || mkdir -p $(obj)/dts
@# Remove old files since which ones we generate depends on the setting
@# of OF_PLATDATA_INST and this might change between builds. Leaving old
@# ones around is confusing and it is possible that switching the
@# setting again will use the old one instead of regenerating it.
@rm -f $(u-boot-spl-all-platdata_c) $(u-boot-spl-all-platdata)
$(call if_changed,dtoc)
ifdef CONFIG_SAMSUNG