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https://github.com/AsahiLinux/u-boot
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93b1965322
At present U-Boot always builds dtc if CONFIG_OF_CONTROL is defined, even when DTC is provided. The built dtc is not actually used, so this is a waste of time. Update the Makefile logic to build dtc only if one is not provided to the build with the DTC variable. Add documentation to explain this. This saves about 3.5 seconds of elapsed time on a clean build of sandbox_spl for me. Signed-off-by: Simon Glass <sjg@chromium.org>
12 lines
353 B
Makefile
12 lines
353 B
Makefile
# SPDX-License-Identifier: GPL-2.0
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###
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# scripts contains sources for various helper programs used throughout
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# the kernel for the build process.
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# ---------------------------------------------------------------------------
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hostprogs-$(CONFIG_BUILD_BIN2C) += bin2c
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always := $(hostprogs-y)
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# Let clean descend into subdirs
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subdir- += basic kconfig
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