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Path: euryale.cc.adfa.oz.au!newshost.carno.net.au!harbinger.cc.monash.edu.au!munnari.OZ.AU!news.ecn.uoknor.edu!news.wildstar.net!news.ececs.uc.edu!newsfeeds.sol.net!news.maxwell.syr.edu!feed1.news.erols.com!news.magicnet.net!news.thrush.com!not-for-mail From: rd@tarpit.thrush.com (R.D. Thrush) Newsgroups: comp.unix.bsd.bsdi.misc Subject: Re: Perl 5.003 and BSD 2.1 (libwww-perl-5.0x) Date: 18 Feb 1997 15:36:14 -0500 Organization: Genesis Controls, Inc. Lines: 50 Message-ID: <fjd8tx26o1.fsf@tarpit.thrush.com> References: <32ee65fc.336138651@news.charm.net> <5d3k1b$rqh$1@lscruz.scf.lmms.lmco.com> NNTP-Posting-Host: thrush.com To: Gary Liefer <gary@lscruz.scf.lmms.lmco.com> Cc: bsdi-users@bsdi.com X-Newsreader: Gnus v5.2.25/XEmacs 19.14 Xref: euryale.cc.adfa.oz.au comp.unix.bsd.bsdi.misc:6044 [ Mailed and posted. ] >>>>> "Gary" == Gary Liefer <gary@lscruz.scf.lmms.lmco.com> writes: Gary> In article <32ee65fc.336138651@news.charm.net>, Gary> Sean Rolinson <snowdog@charm.net> wrote: >> I've recently compiled perl5.003 and libwww-perl-5.06. Both installed >> okay and testing fine, but when running GET, here is what message I Gary> [ ... ] >> Bad free() ignored at /usr/local/lib/perl5/DynaLoader.pm line 140. >> Bad free() ignored at /usr/local/lib/perl5/DynaLoader.pm line 140. Gary> - I tracked this problem to the the BSDI dynamic load library Gary> (libdl.a). The problem crops up when the executable is invoked Gary> without an absolute path. Function dlopen needs to read the Gary> symbol table but it has to search for the a.out file. The "Bad Gary> free()" error seems to occur when a different version of perl Gary> (with the same name) is found somewhere in the path before the Gary> one that's actually running. This is related to using the perl5-supplied malloc. The "Bad free() ignored ..." messages disappear when perl5.003_27 is made with the attached patch. I haven't investigated further but would be interested to learn if this patch causes other problems. --- perl5.003_27/hints/bsdos.sh- Tue Feb 4 22:20:05 1997 +++ perl5.003_27/hints/bsdos.sh Tue Feb 18 13:59:18 1997 @@ -5,6 +5,8 @@ # Tue Oct 4 12:01:34 EDT 1994 # Updated by Tony Sanders <sanders@bsdi.com> # Mon Nov 27 17:25:51 CST 1995 +# Updated by Bob Thrush <rd@thrush.com> +# Tue Feb 18 13:58:20 EST 1997 # # You can override the compiler and loader on the Configure command line: # ./Configure -Dcc=shlicc2 -Dld=shlicc2 @@ -105,5 +107,11 @@ libswanted="Xpm Xaw Xmu Xt SM ICE Xext X11 $libswanted" libswanted="rpc curses termcap $libswanted" + # Using the system malloc fixes a "Bad free() ignored ..." problem + # when invoking perl -d without an absolute path. + # This is probably also required for 2.0 but without 2.0 access I + # can't test it. + d_mymalloc='undef' + usemymalloc='n' ;; esac -- Bob Thrush rd@thrush.com 407 425-4845/ FAX 872-8442 or 841-8004