On Tue, 2020-03-17 at 15:52 +0100, Jan Beulich wrote: > On 17.03.2020 15:34, David Woodhouse wrote: > > From: David Woodhouse <d...@amazon.co.uk> > > > > This causes gcc (yes, and clang) to emit phony targets for each dependency. > > > > This means that when a header file is deleted, the C files which *used* > > to include it will no longer stop building with bogus out-of-date > > dependencies like this: > > > > make[5]: *** No rule to make target > > '/home/dwmw2/git/xen/xen/include/asm/hvm/svm/amd-iommu-proto.h', > > needed by 'p2m.o'. Stop. > > In principle this would be nice, but there must be a reason this isn't > the default behavior. As the workaround for the issue at hand is quite > simple, I wouldn't like to treat addressing this one by some other > anomaly/quirk. Do you (or does anyone else) have insight into why this > isn't default behavior?
No.
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