From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jonathan Brielmaier Subject: Re: Trying to crosscompile for POWER9 Date: Tue, 16 Oct 2018 22:32:52 +0200 Message-ID: <3646b335-32d2-d518-fd6e-6e7d6e0c5332@web.de> References: <31112b25-7f64-2d66-ef65-7e87fe173b5d@platen-software.de> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit Return-path: Received: from eggs.gnu.org ([2001:4830:134:3::10]:55014) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gCW1c-0002YJ-58 for guix-devel@gnu.org; Tue, 16 Oct 2018 16:33:09 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1gCW1W-0005Pq-4C for guix-devel@gnu.org; Tue, 16 Oct 2018 16:33:07 -0400 Received: from mout.web.de ([212.227.17.11]:50531) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1gCW1T-0005HQ-B7 for guix-devel@gnu.org; Tue, 16 Oct 2018 16:33:00 -0400 In-Reply-To: <31112b25-7f64-2d66-ef65-7e87fe173b5d@platen-software.de> Content-Language: en-US List-Id: "Development of GNU Guix and the GNU System distribution." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: guix-devel-bounces+gcggd-guix-devel=m.gmane.org@gnu.org Sender: "Guix-devel" To: Tobias Platen , Guix-devel On 10/16/18 8:08 PM, Tobias Platen wrote: > Hello, > > When I try to compile GUIX for POWER9 an old version of GCC is used. > How do I use the gcc version used for cross compiling. > > ./pre-inst-env guix build --target=powerpc64le-linux hello > > checking if powerpc64le-linux-gcc supports > binary128 floating point type... no > checking if the target machine is at least POWER8... yes > > configure: error: *** > binary128 floating point type (GCC >= 6.2) is required on powerpc64le. > > Tobias "Tomoko" Platen > Note that Marius Bakke started a branch to update guix to gcc7: https://git.savannah.gnu.org/cgit/guix.git/log/?h=wip-gcc7 This could be maybe a good starting point. The bug number is: bug#32953