Date: Sat, 14 Jun 2003 16:08:31 -0700 (PDT) From: John Polstra <jdp@polstra.com> To: arch@freebsd.org Cc: des@ofug.org Subject: Re: unbreaking alloca Message-ID: <200306142308.h5EN8VEK015107@strings.polstra.com> In-Reply-To: <xzp1xxw65o7.fsf@flood.ping.uio.no> References: <xzp1xxw65o7.fsf@flood.ping.uio.no>
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In article <xzp1xxw65o7.fsf@flood.ping.uio.no>,
Dag-Erling Smorgrav <des@ofug.org> wrote:
> --=-=-=
> I'd like to commit the attached patch (after suitable testing of
> course). It removes all mention of alloca(3) from cdefs.h, and
> instead modifies the declaration in stdlib.h so that GNU compilers see
> alloca(sz) defined to __builtin_alloca(sz) while other compilers (and
> linters) see a regular prototype.
I tried your patch, but it broke world in ranlib:
===> gnu/usr.bin/binutils/ranlib
cc -O -pipe -march=pentiumpro -D_GNU_SOURCE -I. -I/a/src/gnu/usr.bin/binutils/ranlib -I/a/src/gnu/usr.bin/binutils/ranlib/../libbfd/i386 -I/a/src/gnu/usr.bin/binutils/ranlib/../../../../contrib/binutils/include -I/a/src/gnu/usr.bin/binutils/ranlib/../libbinutils -I/a/src/gnu/usr.bin/binutils/ranlib/../../../../contrib/binutils/binutils -I/a/src/gnu/usr.bin/binutils/ranlib/../../../../contrib/binutils/bfd -Wsystem-headers -Werror -Wall -Wno-format-y2k -W -Wstrict-prototypes -Wmissing-prototypes -Wpointer-arith -Wno-uninitialized -c /a/src/gnu/usr.bin/binutils/ranlib/../../../../contrib/binutils/binutils/ar.c
In file included from /a/src/contrib/binutils/binutils/bucomm.h:64,
from /a/src/contrib/binutils/binutils/ar.c:32:
/usr/obj/a/src/i386/usr/include/stdlib.h:226:1: "alloca" redefined
In file included from /a/src/contrib/binutils/binutils/ar.c:30:
/a/src/contrib/binutils/include/libiberty.h:289:1: this is the location of the previous definition
*** Error code 1
John
--
John Polstra
John D. Polstra & Co., Inc. Seattle, Washington USA
"Two buttocks cannot avoid friction." -- Malawi saying
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