Re: [Qemu-devel] [PATCH v1 1/2] Revert "build-sys: silence make by default or V=0"

[Eric Blake]

On 01/23/2018 10:47 AM, Daniel P. Berrange wrote:
> This reverts commit 42a77f1ce4934b243df003f95bda88530631387a.
> 
> The primary intention of this change was to silence messages
> like
> 
>   make[1]: '/home/berrange/src/virt/qemu/capstone/libcapstone.a' is up to 
> date.
> 
> which we get when calling make recursively with explicit
> targets.
> 
> The problem is that this change affected every make target,
> not merely the targets that triggered these "is up to date"
> messages. As a result any targets that were not invoking
> commands via "$(call quiet-command ...)" suddenly become
> silent. This is particularly bad for "make install" which
> now appears todo nothing.
> 
> Rather than go through every make rule and try to identify
> places where we now need to explicitly print a message to
> show work taking place, just revert the change.
> 
> To address the original problem of silencing "is up to date"
> messages, we simply add --quiet to the SUBDIR_MAKEVARS
> variable, so it only affects us on recursive make calls.

As for solving the original intended issue, this patch silences the
message about libcapstone, and reverting back to a known state is more
conservative, so I'm okay with this going in.

Tested-by: Eric Blake <address@hidden>


-- 
Eric Blake, Principal Software Engineer
Red Hat, Inc.           +1-919-301-3266
Virtualization:  qemu.org | libvirt.org

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