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Makefile: preserve --jobserver-auth argument when calling ninja
Qemu wraps its call to ninja in a Makefile. Since ninja, as opposed to make, utilizes all CPU cores by default, the qemu Makefile translates the absense of a `-jN` argument into `-j1`. This breaks jobserver functionality, so update the -jN mangling to take the --jobserver-auth argument into considerationa too. Signed-off-by: Martin Hundebøll <martin@geanix.com> Message-Id: <20240402081738.1051560-1-martin@geanix.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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Makefile
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Makefile
@ -142,7 +142,7 @@ MAKE.k = $(findstring k,$(firstword $(filter-out --%,$(MAKEFLAGS))))
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MAKE.q = $(findstring q,$(firstword $(filter-out --%,$(MAKEFLAGS))))
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MAKE.nq = $(if $(word 2, $(MAKE.n) $(MAKE.q)),nq)
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NINJAFLAGS = $(if $V,-v) $(if $(MAKE.n), -n) $(if $(MAKE.k), -k0) \
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$(filter-out -j, $(lastword -j1 $(filter -l% -j%, $(MAKEFLAGS)))) \
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$(or $(filter -l% -j%, $(MAKEFLAGS)), $(if $(filter --jobserver-auth=%, $(MAKEFLAGS)),, -j1)) \
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-d keepdepfile
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ninja-cmd-goals = $(or $(MAKECMDGOALS), all)
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ninja-cmd-goals += $(foreach g, $(MAKECMDGOALS), $(.ninja-goals.$g))
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