This problem also affects the ports/archivers/rpm, which dumps core
while trying to install ports/emulators/linux_base.
If it's not fixed, we'd loose linux emulation and mose linux based
applications from 5-CURRENT-DP1.
I reported this problem last week with:
Message-Id: [EMAIL PROTECTED]
Subject: problem with libz 1.1.4 when installing linux_base ports
Date: Sat, 16 Mar 2002 16:21:35 +0900
From: Bruce Evans [EMAIL PROTECTED]
Date: Mon, 18 Mar 2002 13:49:55 +1100 (EST)
::
::This bug affects everything that uses libz of course. It also breaks
::zgrep. Try cd /home/ncvs/C*/*logs; zgrep foo *.
::
::On Sun, 17 Mar 2002, Bruce Evans wrote:
::
:: On Sun, 17 Mar 2002, I wrote:
::
:: That may be, but ispell is not man's best friend:
::
:: $ man ispell
:: Segmentation fault (core dumped)
::
:: The bug seems to be in libz. Upgrading to the previous version of libz
:: fixes it.
::
:: The following patch (obtained from the upgrade) fixes man ispell
:: (but may break libz).
::
:: %%%
:: Index: infcodes.c
:: ===
:: RCS file: /home/ncvs/src/lib/libz/infcodes.c,v
:: retrieving revision 1.3
:: diff -u -2 -r1.3 infcodes.c
:: --- infcodes.c 11 Mar 2002 22:36:26 - 1.3
:: +++ infcodes.c 17 Mar 2002 02:41:53 -
:: @@ -201,5 +201,5 @@
:: case COPY: /* o: copying bytes in window, waiting for space */
::f = q - c-sub.copy.dist;
:: - while (f s-window) /* modulo window size-while instead */
:: + if (f s-window)/* modulo window size-while instead */
:: f += s-end - s-window;/* of if handles invalid distances */
::while (c-len)
:: %%%
::
:: The while loop caused some pointer to become invalid. I think the bug
:: is really in gcc. The register hildng 's' seemed to get clobbered to
:: (s-end - s-window) so 's' was invalid after 1 iteration. With an
:: if instead of a while, gcc generates simpler code with line numbers
:: that are actually correct and without the register clobber. Compiling
:: the unpatched version with -O0 also unbreaks man ispell.
::
:: Bruce
::
::Bruce
::
::
::To Unsubscribe: send mail to [EMAIL PROTECTED]
::with unsubscribe freebsd-current in the body of the message
::
::
Haro
=--
_ _Munehiro (haro) Matsuda
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