linux-kernel - Re: [PATCH] um: link with -lpthread

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Date:	Sun, 10 Jan 2016 21:13:56 +0100
From:	Richard Weinberger <richard@....at>
To:	Vegard Nossum <vegard.nossum@...cle.com>
Cc:	Lorenzo Colitti <lorenzo@...gle.com>,
	user-mode-linux-devel@...ts.sourceforge.net,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] um: link with -lpthread

Am 31.12.2015 um 17:06 schrieb Vegard Nossum:
> Similarly to commit fb1770aa78a43530940d0c2dd161e77bc705bdac, with gcc 5
> on Ubuntu and CONFIG_STATIC_LINK=y I was seeing these linker errors:
> 
> /usr/lib/gcc/x86_64-linux-gnu/5/../../../x86_64-linux-gnu/librt.a(timer_create.o): In function `__timer_create_new':
> (.text+0xcd): undefined reference to `pthread_once'
> /usr/lib/gcc/x86_64-linux-gnu/5/../../../x86_64-linux-gnu/librt.a(timer_create.o): In function `__timer_create_new':
> (.text+0x126): undefined reference to `pthread_attr_init'
> /usr/lib/gcc/x86_64-linux-gnu/5/../../../x86_64-linux-gnu/librt.a(timer_create.o): In function `__timer_create_new':
> (.text+0x168): undefined reference to `pthread_attr_setdetachstate'
> [...]
> 
> Obviously we also need -lpthread for librt.a.
> 
> Signed-off-by: Vegard Nossum <vegard.nossum@...cle.com>

Applied!

Thanks,
//richard