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Re: Offloading not relocatable

From: Bernd Schmidt <bernds at codesourcery dot com>
To: Jakub Jelinek <jakub at redhat dot com>, Ilya Verbin <iverbin at gmail dot com>, Kirill Yukhin <kirill dot yukhin at gmail dot com>
Cc: <gcc at gcc dot gnu dot org>
Date: Wed, 17 Sep 2014 17:02:59 +0200
Subject: Re: Offloading not relocatable
Authentication-results: sourceware.org; auth=none
References: <20140917142141 dot GI17454 at tucnak dot redhat dot com> <20140917144211 dot GJ17454 at tucnak dot redhat dot com>

On 09/17/2014 04:42 PM, Jakub Jelinek wrote:

mkoffload should make similar attempts to find the offloading compiler
driver.  It should try (relative to mkoffload binary) probably:
../../../../../bin/x86_64-intelmic-linux-gnu-g++
(why does it try g++ and not gcc btw?), then perhaps:
./x86_64-intelmic-linux-gnu-g++
(so that one can e.g. put a symlink next to mkoffload and point it wherever needed)
and perhaps as last fallback, try to execute x86_64-intelmic-linux-gnu-g++
from PATH env var.

It should be easier - the nvptx mkoffload examines COLLECT_GCC for apath, and uses that if it's available (otherwise relying on PATH). Idon't know what the mic offload is doing, I haven't looked yet.



Bernd

References:
- Offloading not relocatable
  - From: Jakub Jelinek
- Re: Offloading not relocatable
  - From: Jakub Jelinek

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