NetNews Usenet Archive 1993 #1/NN_1993_1.iso/spool/comp/os/linux/22861

Internet Message Format | 1993-01-06 | 2.1 KB

Path: sparky!uunet!europa.asd.contel.com!emory!ogicse!news.u.washington.edu!serval!hlu
From: [e-mail] (H.J. Lu)
Newsgroups: comp.os.linux
Subject: Re: libc.so.4.2 Caveats!
Message-ID: <[e-mail]>
Date: 6 Jan 93 00:52:11 GMT
Article-I.D.: serval.1993Jan6.005211.24367
References: <[e-mail]> <[e-mail]>
Sender: [e-mail] (USENET News System)
Organization: School of EECS, Washington State University
Lines: 36

In article <[e-mail]>, [e-mail] (Giles D Malet) writes:
|> In article <[e-mail]>
|>     [e-mail] (Michael N. Lipp) writes:
|> >
|> >2) sed doesn't work any more. I have recompiled it using FSF sed-1.13.tar.Z.
|> >   Strange enough, although I removed the sed-local regex.o getop.o and
|> >   getopt1.o (thus using the functions in libc.so.4.2) and compiled with
|> >   -O2, my new sed is about twice as large as the old one. Was it not
|> >   FSF sed-1.13 in the SLS distribution?
|>
|> You have already been told how to reduce the program size (-N).
|>
|> I grabbed the SLS sed a couple of weeks ago and found problems
|> with it.  It is (was) version 1.09, and the problems turned out to be
|> in libc.so.4.2.  If you look in <regex.h> you will see a flag called
|> RE_NO_BK_PARENS, and it appears the state of this flag has been toggled
|> between 4.1 and 4.2.  This causes sed to fail, as a `group' is now
|> defined by (...) rather than \(...\).
|>
|> H.J.Lu appears to indicate this is a change in the original library, not
|> just the Linux version. Somewhat stupid, that. Now you have to compile
|> sed (and I presume other programs too) with their included regex code.
|>

The regex in sed 1.13 is the same one, GNU regex 0.11, in libc 4.2.

|> So what are libraries for, anyway ?
|>

Get sed 1.13 and use C library.

|> --
|> Giles D Malet                                             [e-mail]
|> Waterloo, Ont, Canada       [phone]       [e-mail]

H.J.