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From: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
To: buildroot@busybox.net
Subject: [Buildroot] [PATCH v2 1/2] toolchain-external: add a check for unsupported toolchains
Date: Mon, 1 Feb 2016 16:47:49 +0100	[thread overview]
Message-ID: <20160201164749.29d9afd5@free-electrons.com> (raw)
In-Reply-To: <56AF7262.1080002@gmail.com>

Hello,

On Mon, 1 Feb 2016 15:57:38 +0100, Romain Naour wrote:

> > The variable should not be named non_existent_sysroot since it may
> > exist. Also, you could use the existing toolchain_find_libc_a function,
> > no? So maybe:
> > 
> > 	libc_a_path=$(call toolchain_find_libc_a,$${__CROSS_CC}) ; \
> 
> ok for the variable naming, but I didn't used toolchain_find_libc_a directly
> because realpath -f is used by this function.
> 
> The path returned is $PWD/libc.a when something go wrong with the sysroot.
> So the test would be test -d in this case but I think it's better to test the
> path returned by __CROSS_CC directly against "libc.a".

Ah, right. So just keep your code as it was: call gcc directly with
-print-file-name.

Thanks!

Thomas
-- 
Thomas Petazzoni, CTO, Free Electrons
Embedded Linux, Kernel and Android engineering
http://free-electrons.com

      reply	other threads:[~2016-02-01 15:47 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-02-01 13:40 [Buildroot] [PATCH v2 1/2] toolchain-external: add a check for unsupported toolchains Romain Naour
2016-02-01 13:40 ` [Buildroot] [PATCH v2 2/2] toolchain-external: move the sysroot toolchain support check to helper function Romain Naour
2016-02-01 13:43   ` Romain Naour
2016-02-01 14:35   ` Thomas Petazzoni
2016-02-01 14:38 ` [Buildroot] [PATCH v2 1/2] toolchain-external: add a check for unsupported toolchains Thomas Petazzoni
2016-02-01 14:57   ` Romain Naour
2016-02-01 15:47     ` Thomas Petazzoni [this message]

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