scripts: Add some comments about autoconf.mk
Now that the conversion of all CONFIG options to Kconfig is complete, these files only contain the xPL_BUILD defines. Add a comment to make this clear. Signed-off-by: Simon Glass <sjg@chromium.org>
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@@ -20,6 +20,12 @@ _dummy := $(shell [ -d $(obj) ] || mkdir -p $(obj))
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include $(srctree)/scripts/Kbuild.include
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-include include/config/auto.conf
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# This file contains 0, 1 or 2 lines
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# It is empty for U-Boot proper (where $(obj) is empty)
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# For any xPL build it contains CONFIG_SPL_BUILD=y
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# For TPL builds it has CONFIG_SPL_BUILD=y and CONFIG_TPL_BUILD=y
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# For VPL builds it has CONFIG_SPL_BUILD=y and CONFIG_VPL_BUILD=y
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-include $(obj)/include/autoconf.mk
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UBOOTINCLUDE := -I$(obj)/include $(UBOOTINCLUDE)
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