From: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
To: buildroot@busybox.net
Subject: [Buildroot] [PATCH] libtommath: add -fPIC
Date: Sun, 1 May 2016 09:35:05 +0200 [thread overview]
Message-ID: <20160501093505.5e98c1b4@free-electrons.com> (raw)
In-Reply-To: <87pot6swzx.fsf@dell.be.48ers.dk>
Hello,
On Sat, 30 Apr 2016 21:43:46 +0200, Peter Korsgaard wrote:
> > Well, as you've seen yourself, this static library is then used inside
> > a shared library, so it has to be built -fPIC.
>
> > If you want to build the static library without -fPIC, then the
> > libtommath package should also provide a shared version of its library,
> > so that it gets used instead of the static one when linked into a
> > shared library.
>
> Hmm, should we do this for all static only libraries in case they would
> ever get used by a shared library? E.G. ezxml is a similar package.
Well, as soon as some object code ends up being used in a shared
library (directly or via linking to a static library), then it must be
compiled with -fPIC, at least on some architectures (x86_64 and mips
are the one who clearly abort the build if that's not the case).
Thomas
--
Thomas Petazzoni, CTO, Free Electrons
Embedded Linux, Kernel and Android engineering
http://free-electrons.com
next prev parent reply other threads:[~2016-05-01 7:35 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-04-30 8:33 [Buildroot] [PATCH] libtommath: add -fPIC Francois Perrad
2016-04-30 12:55 ` Thomas Petazzoni
2016-04-30 18:43 ` Peter Korsgaard
2016-04-30 19:13 ` Thomas Petazzoni
2016-04-30 19:43 ` Peter Korsgaard
2016-05-01 7:35 ` Thomas Petazzoni [this message]
2016-05-01 6:49 ` François Perrad
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