On Wed, Jun 05, 2024 at 06:16 PM +1000, Nicholas Piggin <npiggin@xxxxxxxxx> wrote: > Here's another oddity I ran into with the build system. Try run make > twice. With arm64 and ppc64, the first time it removes some intermediate > files and the second causes another rebuild of several files. After > that it's fine. s390x seems to follow a similar pattern but does not > suffer from the problem. Also, the .PRECIOUS directive is not preventing > them from being deleted inthe first place. So... that probably means I > haven't understood it properly and the fix may not be correct, but it > does appear to DTRT... Anybody with some good Makefile knowledge might > have a better idea. > $ make clean -j &>/dev/null && make -d … Successfully remade target file 'all'. Removing intermediate files... rm powerpc/emulator.aux.o powerpc/tm.aux.o powerpc/spapr_hcall.aux.o powerpc/interrupts.aux.o powerpc/selftest.aux.o powerpc/smp.aux.o powerpc/selftest-migration.aux.o powerpc/spapr_vpa.aux.o powerpc/sprs.aux.o powerpc/rtas.aux.o powerpc/memory-verify.aux.o So an easier fix would be to add %.aux.o to .PRECIOUS (but that’s probably still not clean). .PRECIOUS: %.o %.aux.o Fixed the issue (I’ve tested on ppc64 only). > > -- Kind regards / Beste Grüße Marc Hartmayer IBM Deutschland Research & Development GmbH Vorsitzender des Aufsichtsrats: Wolfgang Wendt Geschäftsführung: David Faller Sitz der Gesellschaft: Böblingen Registergericht: Amtsgericht Stuttgart, HRB 243294
