From: Michal Marek <mmarek@suse.cz>
To: "Zheng, Jiajia" <jiajia.zheng@intel.com>
Cc: "Guy, Wey-Yi W" <wey-yi.w.guy@intel.com>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"linux-kbuild@vger.kernel.org" <linux-kbuild@vger.kernel.org>
Subject: Re: "make rpm" failed with parameter "--scm-only"
Date: Wed, 21 Jul 2010 15:42:08 +0200 [thread overview]
Message-ID: <4C46F930.1040506@suse.cz> (raw)
In-Reply-To: <A24AE1FFE7AEC5489F83450EE98351BF1BDE3704AC@shsmsx502.ccr.corp.intel.com>
On 21.7.2010 03:30, Zheng, Jiajia wrote:
> Michal Marek wrote:
>> were you able to test the fix? I'd like to send it to Linus.
>>
> Thank you. This patch works OK.
Thanks a lot for testing it.
> But I still saw below warnings. Of course, it was not introduced by your patch because that I saw such warnings before. Could you also take a look if there's some problem with Makefile?
> ...
> + make clean
> make[2]: warning: jobserver unavailable: using -j1. Add `+' to parent make rule.
I found the explanation in the make info page:
`warning: jobserver unavailable: using -j1. Add `+' to parent make rule.'
In order for `make' processes to communicate, the parent will pass
information to the child. Since this could result in problems if
the child process isn't actually a `make', the parent will only do
this if it thinks the child is a `make'. The parent uses the
normal algorithms to determine this (*note How the `MAKE' Variable
Works: MAKE Variable.). If the makefile is constructed such that
the parent doesn't know the child is a `make' process, then the
child will receive only part of the information necessary. [...]
Which is our case: The parent make only sees the rpmbuild call. The fix
would probably be to clear all make environment variables before running
rpmbuild.
> + make -j4
> make[2]: warning: -jN forced in submake: disabling jobserver mode.
Another symptom of the same problem.
> I got a RPM package: kernel-2.6.35rc5wl+-6.x86_64.rpm
Great :).
Michal
prev parent reply other threads:[~2010-07-21 13:41 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <A24AE1FFE7AEC5489F83450EE98351BF1BD77643B1@shsmsx502.ccr.corp.intel.com>
2010-07-15 8:42 ` "make rpm" failed with parameter "--scm-only" Michal Marek
2010-07-20 13:28 ` Michal Marek
2010-07-21 1:30 ` Zheng, Jiajia
2010-07-21 13:42 ` Michal Marek [this message]
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