From owner-freebsd-bugs Sun Jun 6 12:10: 3 1999 Delivered-To: freebsd-bugs@freebsd.org Received: from freefall.freebsd.org (freefall.FreeBSD.ORG [204.216.27.21]) by hub.freebsd.org (Postfix) with ESMTP id CA37214C3A for ; Sun, 6 Jun 1999 12:10:00 -0700 (PDT) (envelope-from gnats@FreeBSD.org) Received: (from gnats@localhost) by freefall.freebsd.org (8.9.3/8.9.2) id MAA44518; Sun, 6 Jun 1999 12:10:00 -0700 (PDT) (envelope-from gnats@FreeBSD.org) Received: from kot.ne.mediaone.net (kot.ne.mediaone.net [24.218.12.203]) by hub.freebsd.org (Postfix) with ESMTP id D2AB014DE7 for ; Sun, 6 Jun 1999 12:07:58 -0700 (PDT) (envelope-from mi@aldan.algebra.com) Received: from rtfm.newton (rtfm.newton [10.10.0.1]) by kot.ne.mediaone.net (8.9.1a/8.9.1) with ESMTP id PAA18716; Sun, 6 Jun 1999 15:07:19 -0400 (EDT) Received: (from root@localhost) by rtfm.newton (8.9.3/8.9.1) id PAA61797; Mon, 7 Jun 1999 15:10:11 -0400 (EDT) Message-Id: <199906071910.PAA61797@rtfm.newton> Date: Mon, 7 Jun 1999 15:10:11 -0400 (EDT) From: root@aldan.algebra.com Reply-To: mi@aldan.algebra.com To: FreeBSD-gnats-submit@freebsd.org Cc: dan@rn082110.mrs.umn.edu X-Send-Pr-Version: 3.2 Subject: bin/12054: explicit -ltermcap after -lncurses causes segfaults Sender: owner-freebsd-bugs@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.org >Number: 12054 >Category: bin >Synopsis: explicit -ltermcap after -lncurses causes segfaults >Confidential: no >Severity: serious >Priority: medium >Responsible: freebsd-bugs >State: open >Quarter: >Keywords: >Date-Required: >Class: sw-bug >Submitter-Id: current-users >Arrival-Date: Sun Jun 6 12:10:00 PDT 1999 >Closed-Date: >Last-Modified: >Originator: Mikhail Teterin >Release: FreeBSD 3.2-STABLE i386 >Organization: Virtual Estates, Inc. >Environment: >Description: The following link line: cc -Wall -g -pipe -L/usr/local/lib -o tsiag -L../siod \ -L../common -L../siag fonts.o forminput.o window.o \ selection.o tsiag.o -lsiag -lcommon -lsiod -lncurses -lcrypt \ -L/usr/local/lib -lguile -lreadline -lm -ltcl80 -lgdbm results in a runnable executable with the following libs: tsiag: libncurses.so.3 => /usr/lib/libncurses.so.3 (0x280a9000) libcrypt.so.2 => /usr/lib/libcrypt.so.2 (0x280ba000) libguile.so.4 => /usr/local/lib/libguile.so.4 (0x280bd000) libreadline.so.3 => /usr/lib/libreadline.so.3 (0x2811b000) libm.so.2 => /usr/lib/libm.so.2 (0x2813d000) libtcl80.so => /usr/local/lib/libtcl80.so (0x28157000) libc.so.3 => /usr/lib/libc.so.3 (0x281b9000) libmytinfo.so.2 => /usr/lib/libmytinfo.so.2 (0x28239000) libtermcap.so.2 => /usr/lib/libtermcap.so.2 (0x2824f000) If I explicitly add -ltermcap to the link-line (this library is requested by ncurses), which should NOT do any harm, the ldd's output is slightly different: tsiag: libncurses.so.3 => /usr/lib/libncurses.so.3 (0x280a9000) libtermcap.so.2 => /usr/lib/libtermcap.so.2 (0x280ba000) libcrypt.so.2 => /usr/lib/libcrypt.so.2 (0x280bf000) libguile.so.4 => /usr/local/lib/libguile.so.4 (0x280c2000) libreadline.so.3 => /usr/lib/libreadline.so.3 (0x28120000) libtcl80.so => /usr/local/lib/libtcl80.so (0x28142000) libm.so.2 => /usr/lib/libm.so.2 (0x281a4000) libc.so.3 => /usr/lib/libc.so.3 (0x281be000) libmytinfo.so.2 => /usr/lib/libmytinfo.so.2 (0x2823e000) and the executable dies on start-up: Program received signal SIGSEGV, Segmentation fault. 0x0 in ?? () (gdb) where #0 0x0 in ?? () #1 0x280bc1c6 in tputs () from /usr/lib/libtermcap.so.2 #2 0x28245e90 in putp () from /usr/lib/libmytinfo.so.2 #3 0x280b6340 in curs_set () from /usr/lib/libncurses.so.3 #4 0x280afd63 in leaveok () from /usr/lib/libncurses.so.3 #5 0x804e5c5 in new_ncurses () at window.c:617 #6 0x804e7c6 in init_windows (b=0x8145000, argc=0xbfbfd70c, argv=0xbfbfd80c) at window.c:701 #7 0x8060baf in realmain (argc=1, argv=0xbfbfd80c) at main.c:147 #8 0x280ead7f in gh_launch_pad () from /usr/local/lib/libguile.so.4 #9 0x280ecef2 in invoke_main_func () from /usr/local/lib/libguile.so.4 #10 0x2810f8d3 in scm_internal_lazy_catch () from /usr/local/lib/libguile.so.4 #11 0x280eceae in scm_boot_guile_1 () from /usr/local/lib/libguile.so.4 #12 0x280ecc65 in scm_boot_guile () from /usr/local/lib/libguile.so.4 #13 0x280eadad in gh_enter () from /usr/local/lib/libguile.so.4 #14 0x8060db1 in main (argc=1, argv=0xbfbfd80c) at main.c:203 #15 0x804ba25 in _start () >How-To-Repeat: I'm trying to update the math/siag port to the latest Siag-3.1.16, but you can probably reproduce this with anything that uses ncurses. I do not believe this to be Siag's problem -- the -ltermcap is redundant but should be harmless, AFAIK. >Fix: Do NOT use the explicit -ltermcap, but this _may_ break some Makefiles, which do this for compatability with other systems. >Release-Note: >Audit-Trail: >Unformatted: To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-bugs" in the body of the message