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Message-ID: <2099329373.87575433.1367418085130.JavaMail.root@zimbra33-e6.priv.proxad.net>
Date: Wed, 1 May 2013 16:21:25 +0200 (CEST)
From: Gilles Espinasse <g.esp@...e.fr>
To: owl-dev@...ts.openwall.com
Subject: Re: PIE on x86_64
----- Mail original -----
> De: "Vasily Kulikov" <segoon@...nwall.com>
> À: owl-dev@...ts.openwall.com
> Envoyé: Mercredi 1 Mai 2013 09:46:54
> Objet: Re: [owl-dev] PIE on x86_64
>
> On Tue, Apr 30, 2013 at 21:36 +0400, Vasily Kulikov wrote:
> > The only one package which fails to build as-is on x86_64 --
> > kernel.
> > The -D__KERNEL__ check is present, though. Will try to figure it
> > out
> > (likely, tomorrow).
>
> Strange, %{DXXX:...} doesn't work in gcc specs file:
>
> vasya@...halot:~/src/gcc-test$ cat spec
> *cc1:
> %(cc1_cpu) %{profile:-p} %{DABC:%eABC is used!} %{!DABC:%eABC is
> not %used!}
>
> vasya@...halot:~/src/gcc-test$ gcc -specs=spec -DABC -E -c -
> gcc: error: ABC is not used!
>
> Probably the syntax of specs file or ability to process macros were
> changed in gcc 4.x?
>
You somehow broke something as it work for me on gcc-4.4 or gcc-4.1.2
Nota : the content of the spec file differ from the string displayed by '%' between not and used but that should not matter.
[root@...vista tmp]# gcc -specs=spec -DABC -E -c -
gcc: ABC is used!
[root@...vista tmp]# gcc -specs=spec -E -c -
gcc: ABC is not used!
[root@...vista tmp]# gcc --version
gcc (GCC) 4.1.2 20080704 (Red Hat 4.1.2-54)
Gilles
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