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From: Andrew Jones <drjones@redhat.com>
To: Peter Feiner <pfeiner@google.com>
Cc: kvm@vger.kernel.org, pbonzini@redhat.com
Subject: Re: [kvm-unit-tests] arm: fix parallel build (make -j)
Date: Fri, 4 Mar 2016 12:04:58 +0100	[thread overview]
Message-ID: <20160304110458.GA3641@localhost.redhat.com> (raw)
In-Reply-To: <1457041274-32283-1-git-send-email-pfeiner@google.com>

On Thu, Mar 03, 2016 at 01:41:14PM -0800, Peter Feiner wrote:
> Dependency on asm-offsets.h wasn't made explicit in the Makefiles.
> Worked without -j because non-parallel make builds dependencies in
> declared order.
> 
> Signed-off-by: Peter Feiner <pfeiner@google.com>
> ---
>  arm/Makefile.common | 2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/arm/Makefile.common b/arm/Makefile.common
> index dd3a0ca..6de82cf 100644
> --- a/arm/Makefile.common
> +++ b/arm/Makefile.common
> @@ -71,3 +71,5 @@ test_cases: $(generated_files) $(tests-common) $(tests)
>  
>  $(TEST_DIR)/selftest.elf: $(cstart.o) $(TEST_DIR)/selftest.o
>  $(TEST_DIR)/spinlock-test.elf: $(cstart.o) $(TEST_DIR)/spinlock-test.o
> +
> +$(TEST_DIR)/selftest.o $(TEST_DIR)/spinlock-test.o $(cstart.o): $(asm-offsets)

You know a project is really growing when you need 'make -j' :-)

How about this patch instead though

-test_cases: $(generated_files) $(tests-common) $(tests)
+test_cases: $(tests-common) $(tests)
+$(patsubst %.flat,%.o,$(tests-common) $(tests)) $(cstart.o): $(generated_files)

Or, hmm, actually any $(TEST_DIR)/ lib/$(TEST_DIR)/ or lib/$(ARCH)/
source file could depend on asm-offsets. So the above probably isn't
sufficient for the long term either.

Thanks,
drew

> -- 
> 2.7.0.rc3.207.g0ac5344
> 
> --
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  reply	other threads:[~2016-03-04 11:05 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-03-03 21:41 [kvm-unit-tests] arm: fix parallel build (make -j) Peter Feiner
2016-03-04 11:04 ` Andrew Jones [this message]
2016-03-04 15:45   ` Paolo Bonzini
2016-03-04 16:28     ` Andrew Jones
2016-03-04 17:03       ` Peter Feiner
2016-03-04 17:04 ` [PATCH kvm-unit-tests v2] " Peter Feiner
2016-03-04 18:34   ` Andrew Jones

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