On Tue, Nov 13, 2018 at 03:43:07PM -0700, Simon Glass wrote: > At present U-Boot always builds dtc if CONFIG_OF_CONTROL is defined. This > is wasteful when the system already has a suitable version available. > > Update the Makefile logic to build dtc only if the version available is > too old. > > This saves about 3 seconds of CPU time on a clean build for me. > > Signed-off-by: Simon Glass <s...@chromium.org> > Reviewed-by: Marek Vasut <marek.va...@gmail.com>
In the case of new enough host dtc this then fails on sandbox_spl, chromebook_minnie and others where we need to build spl/dts/dt-platdata.c with a python import error over lacking _libfdt. -- Tom
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