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From owner-freebsd-ppc@freebsd.org Wed Dec 16 21:21:44 2015
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Subject: Re: powerpc64 11.0-CURRENT's clang binds -m32 -mcpu=powerpc a.out to
/libexec/ld-elf.so.1
To: Konstantin Belousov <kostikbel@gmail.com>,
Mark Millard <markmi@dsl-only.net>
References: <894D2513-6DE7-4E31-87A5-0529ECDF336C@dsl-only.net>
<20151215123640.GG3625@kib.kiev.ua>
Cc: FreeBSD Toolchain <freebsd-toolchain@freebsd.org>,
FreeBSD PowerPC ML <freebsd-ppc@freebsd.org>
From: Andreas Tobler <andreast-list@fgznet.ch>
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Date: Wed, 16 Dec 2015 22:21:33 +0100
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On 15.12.15 13:36, Konstantin Belousov wrote:
> On Mon, Dec 14, 2015 at 11:06:51PM -0800, Mark Millard wrote:
>> # more main.c int main() { return 0; }
>>
>>
>>
>> # ls -l `which cc` -r-xr-xr-x 7 root wheel 54137976 Dec 14 00:06
>> /usr/bin/cc
>>
>> # cc --version FreeBSD clang version 3.7.0 (tags/RELEASE_370/final
>> 246257) 20150906 Target: powerpc64-unknown-freebsd11.0 Thread
>> model: posix
>>
>> # cc -m32 -mcpu=powerpc main.c # file a.out a.out: ELF 32-bit MSB
>> executable, PowerPC or cisco 4500, version 1 (FreeBSD), dynamically
>> linked, interpreter /libexec/ld-elf.so.1, FreeBSD-style, for
>> FreeBSD 11.0 (1100091), not stripped
>>
>>
>>
>> By contrast powerpc64-gcc binds the a.out produced to
>> /libexec/ld-elf32.so.1 instead:
>>
>> # ls -l `which gcc` lrwxr-xr-x 1 root wheel 48 Dec 5 05:38
>> /usr/bin/gcc -> /usr/local/bin/powerpc64-portbld-freebsd11.0-gcc
>>
>> # gcc --version gcc (FreeBSD Ports Collection for powerpc64) 5.2.0
>> Copyright (C) 2015 Free Software Foundation, Inc. This is free
>> software; see the source for copying conditions. There is NO
>> warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR
>> PURPOSE.
>>
>> # gcc -m32 -mcpu=powerpc main.c # file a.out a.out: ELF 32-bit MSB
>> executable, PowerPC or cisco 4500, version 1 (FreeBSD), dynamically
>> linked, interpreter /libexec/ld-elf32.so.1, FreeBSD-style, for
>> FreeBSD 11.0 (1100091), not stripped
>>
> This is a bug in gcc, most likely in the spec file. All FreeBSD ABIs
> use either /libexec/ld-elf.so.1 or (for older versions)
> /usr/libexec/ld-elf.so.1.
This is mine. Taken.
Andreas
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