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| H A D | Makefile | f9a7c447 Fri Apr 12 07:58:38 GMT 2024 Matheus Tavares Bernardino <quic_mathbern@quicinc.com> Makefile: fix use of -j without an argument
Our Makefile massages the given make arguments to invoke ninja
accordingly. One key difference is that ninja will parallelize by
default, whereas make only does so with -j<n> or -j. The make man page
says that "if the -j option is given without an argument, make will not
limit the number of jobs that can run simultaneously". We use to support
that by replacing -j with "" (empty string) when calling ninja, so that
it would do its auto-parallelization based on the number of CPU cores.
This was accidentally broken at d1ce2cc95b (Makefile: preserve
--jobserver-auth argument when calling ninja, 2024-04-02),
causing `make -j` to fail:
$ make -j V=1
/usr/bin/ninja -v -j -d keepdepfile all | cat
make -C contrib/plugins/ V="1" TARGET_DIR="contrib/plugins/" all
ninja: fatal: invalid -j parameter
make: *** [Makefile:161: run-ninja] Error
Let's fix that and indent the touched code for better readability.
Signed-off-by: Matheus Tavares Bernardino <quic_mathbern@quicinc.com>
Fixes: d1ce2cc95b ("Makefile: preserve --jobserver-auth argument when calling ninja", 2024-04-02)
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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