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Subject: Re: Turn on -pie on darwin11 and later
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From: Mike Stump <mikestump@comcast.net>
In-Reply-To: <D4EDAB57-D4EA-49C4-B95D-8903918F4550@comcast.net>
Date: Sun, 19 Jun 2011 19:43:00 -0000
Cc: Jack Howarth <howarth@bromo.med.uc.edu>
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References: <ACBE52C1-542A-4643-97C7-5171AFB8DDCD@comcast.net> <201106161301.03627.pedro@codesourcery.com> <D4EDAB57-D4EA-49C4-B95D-8903918F4550@comcast.net>
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On Jun 16, 2011, at 12:22 PM, Mike Stump wrote:
> On Jun 16, 2011, at 5:01 AM, Pedro Alves wrote:
>> On Thursday 16 June 2011 02:33:50, Mike Stump wrote:
>>> BOOT_CFLAGS +=3D -mdynamic-no-pic
>>> +
>>> +# Ensure we don't try and use -pie, as it is incompatible with pch.
>>> +BOOT_LDFLAGS=3D`case ${host} in *-*-darwin[1][1-9]*) echo -Wl,-no_pie =
;; esac;`
>>=20
>> Shouldn't this use +=3D like BOOT_CFLAGS?
>=20
> Yes, fixed.  Thanks for the review.

Also backported for gcc 4.5.4 and 4.6.1.

> Index: config/mh-darwin
> =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
> --- config/mh-darwin	(revision 175089)
> +++ config/mh-darwin	(working copy)
> @@ -4,4 +4,4 @@
> BOOT_CFLAGS +=3D -mdynamic-no-pic
>=20
> # Ensure we don't try and use -pie, as it is incompatible with pch.
> -BOOT_LDFLAGS=3D`case ${host} in *-*-darwin[1][1-9]*) echo -Wl,-no_pie ;;=
 esac;`
> +BOOT_LDFLAGS +=3D `case ${host} in *-*-darwin[1][1-9]*) echo -Wl,-no_pie=
 ;; esac;`