Date: Tue, 5 Aug 2008 20:10:17 -0400 (EDT) From: Stuart Barkley <stuartb@4gh.net> To: freebsd-ports@freebsd.org Subject: Re: bsd-grep-20080725_1 -v flag busted... Message-ID: <alpine.BSF.1.10.0808051949190.6204@freeman.4gh.net> In-Reply-To: <F27A7002-ED04-4A67-A95B-C45782700FD4@mac.com> References: <56E45E0F-29D4-4CA8-9936-384405AB874A@mac.com> <4897518D.4090001@FreeBSD.org> <20080804201806.GA50143@nagual.pp.ru> <F27A7002-ED04-4A67-A95B-C45782700FD4@mac.com>
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On Mon, 4 Aug 2008 at 16:32 -0000, Chuck Swiger wrote:
> (I'm much more interested in confirming whether the bug I see in BSD
> grep is reproducible by others than debating how to get real
> newlines from various shells.)
Yes, I was seeing problems building several ports with the latest
bsdgrep port. Specifically the neon28 and avifile ports where hanging
in the ./configure phase as shown at in the original message in this
thread.
The problem appeared to be in the return code from grep. It looked
like ./configure was in a loop doing a 'grep . file' as a method of
testing for an empty file.
Using tcsh:
% set printexitvalue
% /usr/bin/grep . < /dev/null
Exit 1
% /usr/bin/grep -V
grep (GNU grep) 2.5.1-FreeBSD
Copyright 1988, 1992-1999, 2000, 2001 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.
%
% /usr/local/bin/grep . < /dev/null
Exit 1
% /usr/local/bin/grep -V
grep (BSD grep) 2.5.1-FreeBSD
% pkg_info -I bsd-grep\*
bsd-grep-20080723 BSD-licensed version of grep from OpenBSD
%
% pkg_delete bsd-grep\*
% pkg_add ~/bsd-grep-20080725_1.tbz
% /usr/local/bin/grep . < /dev/null
ÿ
% /usr/local/bin/grep -V
grep (BSD grep) 2.5.1-FreeBSD
% pkg_info -I bsd-grep\*
bsd-grep-20080725_1 BSD-licensed version of grep from OpenBSD
%
Also, note that there IS output when grepping from /dev/null with the
20080725_1 version of bsdgrep:
% /usr/local/bin/grep . < /dev/null | hd
00000000 ff 0a |..|
00000002
%
Stuart Barkley
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