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From: Tom Tromey <tromey@redhat.com>
To: Dan Nicolaescu <dann@ics.uci.edu>
Cc: emacs-devel@gnu.org
Subject: Re: autconf bcopy and bzero
Date: Sat, 26 Jan 2008 11:54:30 -0700	[thread overview]
Message-ID: <m3myqsl8nt.fsf@fleche.redhat.com> (raw)
In-Reply-To: <200801261833.m0QIXZ2R024158@sallyv1.ics.uci.edu> (Dan Nicolaescu's message of "Sat\, 26 Jan 2008 10\:33\:30 -0800")

>>>>> "Dan" == Dan Nicolaescu <dann@ics.uci.edu> writes:

Dan> uclibc uses #define to define bcopy and bzero in <strings.h>
Dan> emacs' configure script decides that bcopy and bzero are not available
Dan> and then #defines them in config.h. 

Can you look in your config.log to see why the existing bcopy test
failed?  I think it should work ok.

Dan> In file included from frame.c:22:
Dan> ./config.h:1159:1: warning: "bcopy" redefined
Dan> In file included from ./config.h:1096,
Dan>                  from frame.c:22:
Dan> /usr/include/string.h:329:1: warning: this is the location of the
Dan> previous definition

One way to get rid of the warning is to '#undef bcopy' before defining
it.  Alternatively, the code could read:

    #if !defined HAVE_BCOPY && !defined bcopy
    #define bcopy(a,b,s) memcpy (b,a,s)
    #endif

Tom

  reply	other threads:[~2008-01-26 18:54 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-01-26 18:33 autconf bcopy and bzero Dan Nicolaescu
2008-01-26 18:54 ` Tom Tromey [this message]
2008-01-26 19:53   ` autoconf " Dan Nicolaescu
2008-01-26 19:23     ` Tom Tromey

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