linux-kernel - Re: Thoughts about introducing OPTIMIZATION

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Message-ID: <CA+icZUVMjyivwB2Sm8+mOygb5fgpe1MY2XBPLLNv0cqDE74ZUw@mail.gmail.com>
Date:	Fri, 8 Jan 2016 14:25:44 +0100
From:	Sedat Dilek <sedat.dilek@...il.com>
To:	Michal Marek <mmarek@...e.cz>
Cc:	One Thousand Gnomes <gnomes@...rguk.ukuu.org.uk>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Sam Ravnborg <sam@...nborg.org>,
	"Rafael J. Wysocki" <rafael.j.wysocki@...el.com>,
	Arnd Bergmann <arnd@...db.de>, Ingo Molnar <mingo@...hat.com>,
	linux-kbuild@...r.kernel.org,
	Linux ACPI <linux-acpi@...r.kernel.org>,
	LKML <linux-kernel@...r.kernel.org>,
	"the arch/x86 maintainers" <x86@...nel.org>
Subject: Re: Thoughts about introducing OPTIMIZATION_CFLAG

On Fri, Jan 8, 2016 at 1:30 PM, Michal Marek <mmarek@...e.cz> wrote:
> On 2016-01-08 12:49, Sedat Dilek wrote:
>> On Fri, Jan 8, 2016 at 12:31 PM, Michal Marek <mmarek@...e.cz> wrote:
>>> On 2016-01-08 11:03, Sedat Dilek wrote:
>>>> On Mon, Jan 4, 2016 at 11:37 PM, Michal Marek <mmarek@...e.cz> wrote:
>>>>> Dne 4.1.2016 v 12:47 Sedat Dilek napsal(a):
>>>> gcc-4.9 "$@"
>>>> - EOF -
>>>>
>>>> According to your statement passing an optlevel here in this script
>>>> will never-ever be recognized - as it is at the begin-of-(make)-line.
>>>
>>> Pass it as the last argument.
>>>
>>
>> How do I do that?
>
> gcc-4.9 "$@" -O3
>

Hmm, with that modification and my attached build-script I don't see
any -O3 passed to my generated make-lines.

[ /usr/bin/mycompiler ]
#!/bin/bash

clang "$@" -O3
- EOF -

What's wrong?

- Sedat -

Download attachment "build_llvmlinux.sh" of type "application/x-sh" (5148 bytes)