From: Ian Kumlien <pomac@vapor.com>
To: linux-kbuild@vger.kernel.org
Cc: hpa@zytor.com, mmarek@suse.cz
Subject: Silent failure when missing bc
Date: Thu, 2 May 2013 16:44:03 +0200 [thread overview]
Message-ID: <20130502144403.GE6335@pomac.netswarm.net> (raw)
Hi,
A dependency on bc was added at some point during the 3.9 development.
My machines runs a git forest which contains both stable and Torvalds
mainline. So any kernel version is only a:
git fetch --all && git checkout <tag> away
When switching from v3.8.5 to v3.9-rc7 i ran in to a odd thing.
It seemed to build fine, make install and modules_install was all fine
as well but rebooting revealed that 3.8.5 had been installed again
instead.
Doing make clean and rebuilding revealed that I was missing bc ;)
I have tried to find exactly where it's run since then, i have found the
cmd_bc section but not found what triggers it... Due to lack of time and
energy, I hearby report this bug!
This is about as far as i got:
kernel/Makefile:135:quiet_cmd_bc = BC $@
kernel/Makefile:136: cmd_bc = bc -q $(filter-out FORCE,$^) > $@
Is there any detaled information and or instructions on kbuild btw?
next reply other threads:[~2013-05-02 15:42 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-05-02 14:44 Ian Kumlien [this message]
2013-05-02 16:12 ` Silent failure when missing bc H. Peter Anvin
2013-05-02 18:28 ` Ian Kumlien
2013-05-02 19:28 ` H. Peter Anvin
2013-05-02 20:25 ` Sam Ravnborg
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