libstdc++-libc6.2-2.so.3

To: Debian gcc list <debian-gcc@lists.debian.org>
Subject: libstdc++-libc6.2-2.so.3
From: Gregory Seidman <gss+debian@cs.brown.edu>
Date: Thu, 24 Oct 2002 16:34:07 -0400
Message-id: <[🔎] 20021024203407.GA7685@cs.brown.edu>
Reply-to: gss+debian@cs.brown.edu
I am developing a program using g++ 3.2. When I added a dynamic_cast, it
started segfaulting on it. In searching the web I came up with the
following:

http://lists.debian.org/debian-gcc/2002/debian-gcc-200205/msg00240.html

It suggests that I mght be linking against two different versions of
libstdc++ and, indeed, it seems I am (according to ldd). I proceeded to
apt-get source --compile libglut3 and install it. That fixed the problem,
but ldd gives the same output as before.

I don't understand why my program seems to be linked to two versions of
libstdc++. It looks like libstdc++.so.5 is the g++ 3.2 library, but there
is also that libstdc++-libc6.2-2.so.3 which nothing seems to use. Can
anyone explain this extraneous dependency?

The output from ldd -v is below.

--Greg

	libqt-mt.so.3 => /usr/lib/libqt-mt.so.3 (0x4001e000)
	libxerces-c.so.21 => /usr/lib/libxerces-c.so.21 (0x405af000)
	libglut.so.3 => /usr/lib/libglut.so.3 (0x40835000)
	libGLU.so.1 => /usr/X11R6/lib/libGLU.so.1 (0x40868000)
	libGL.so.1 => /usr/X11R6/lib/libGL.so.1 (0x408e4000)
	libstdc++.so.5 => /usr/lib/libstdc++.so.5 (0x4094a000)
	libm.so.6 => /lib/libm.so.6 (0x409f4000)
	libgcc_s.so.1 => /lib/libgcc_s.so.1 (0x40a16000)
	libc.so.6 => /lib/libc.so.6 (0x40a1e000)
	libmng.so.1 => /usr/lib/libmng.so.1 (0x40b31000)
	libjpeg.so.62 => /usr/lib/libjpeg.so.62 (0x40b73000)
	libpng.so.3 => /usr/lib/libpng.so.3 (0x40b91000)
	libz.so.1 => /usr/lib/libz.so.1 (0x40bbd000)
	libpthread.so.0 => /lib/libpthread.so.0 (0x40bcc000)
	libXmu.so.6 => /usr/X11R6/lib/libXmu.so.6 (0x40c1c000)
	libICE.so.6 => /usr/X11R6/lib/libICE.so.6 (0x40c30000)
	libSM.so.6 => /usr/X11R6/lib/libSM.so.6 (0x40c46000)
	libdl.so.2 => /lib/libdl.so.2 (0x40c4e000)
	libXext.so.6 => /usr/X11R6/lib/libXext.so.6 (0x40c51000)
	libX11.so.6 => /usr/X11R6/lib/libX11.so.6 (0x40c5f000)
	libXrender.so.1 => /usr/X11R6/lib/libXrender.so.1 (0x40d19000)
	libXft.so.1 => /usr/X11R6/lib/libXft.so.1 (0x40d1e000)
	libfreetype.so.6 => /usr/lib/libfreetype.so.6 (0x40d47000)
	libXi.so.6 => /usr/X11R6/lib/libXi.so.6 (0x40d8e000)
	libstdc++-libc6.2-2.so.3 => /usr/lib/libstdc++-libc6.2-2.so.3 (0x40d96000)
	/lib/ld-linux.so.2 => /lib/ld-linux.so.2 (0x40000000)
	liblcms.so.1 => /usr/lib/liblcms.so.1 (0x40de0000)
	libXt.so.6 => /usr/X11R6/lib/libXt.so.6 (0x40dfb000)

	Version information:
	linux/D/qtgui:
		libgcc_s.so.1 (GCC_3.0) => /lib/libgcc_s.so.1
		libc.so.6 (GLIBC_2.1.3) => /lib/libc.so.6
		libc.so.6 (GLIBC_2.0) => /lib/libc.so.6
		libm.so.6 (GLIBC_2.0) => /lib/libm.so.6
		libstdc++.so.5 (CXXABI_1.2) => /usr/lib/libstdc++.so.5
		libstdc++.so.5 (GLIBCPP_3.2) => /usr/lib/libstdc++.so.5
	/usr/lib/libqt-mt.so.3:
		libdl.so.2 (GLIBC_2.1) => /lib/libdl.so.2
		libdl.so.2 (GLIBC_2.0) => /lib/libdl.so.2
		libstdc++.so.5 (GLIBCPP_3.2) => /usr/lib/libstdc++.so.5
		libstdc++.so.5 (CXXABI_1.2) => /usr/lib/libstdc++.so.5
		libm.so.6 (GLIBC_2.0) => /lib/libm.so.6
		libpthread.so.0 (GLIBC_2.2) => /lib/libpthread.so.0
		libpthread.so.0 (GLIBC_2.0) => /lib/libpthread.so.0
		libpthread.so.0 (GLIBC_2.1) => /lib/libpthread.so.0
		libc.so.6 (GLIBC_2.1) => /lib/libc.so.6
		libc.so.6 (GLIBC_2.2) => /lib/libc.so.6
		libc.so.6 (GLIBC_2.1.3) => /lib/libc.so.6
		libc.so.6 (GLIBC_2.0) => /lib/libc.so.6
	/usr/lib/libxerces-c.so.21:
		libgcc_s.so.1 (GCC_3.0) => /lib/libgcc_s.so.1
		libpthread.so.0 (GLIBC_2.0) => /lib/libpthread.so.0
		libpthread.so.0 (GLIBC_2.1) => /lib/libpthread.so.0
		libc.so.6 (GLIBC_2.1.3) => /lib/libc.so.6
		libc.so.6 (GLIBC_2.1) => /lib/libc.so.6
		libc.so.6 (GLIBC_2.0) => /lib/libc.so.6
		libstdc++.so.5 (GLIBCPP_3.2) => /usr/lib/libstdc++.so.5
		libstdc++.so.5 (CXXABI_1.2) => /usr/lib/libstdc++.so.5
	/usr/lib/libglut.so.3:
		libc.so.6 (GLIBC_2.1.3) => /lib/libc.so.6
		libc.so.6 (GLIBC_2.0) => /lib/libc.so.6
		libm.so.6 (GLIBC_2.0) => /lib/libm.so.6
	/usr/X11R6/lib/libGLU.so.1:
		libc.so.6 (GLIBC_2.1.3) => /lib/libc.so.6
		libc.so.6 (GLIBC_2.1) => /lib/libc.so.6
		libc.so.6 (GLIBC_2.0) => /lib/libc.so.6
		libm.so.6 (GLIBC_2.0) => /lib/libm.so.6
	/usr/X11R6/lib/libGL.so.1:
		libdl.so.2 (GLIBC_2.1) => /lib/libdl.so.2
		libdl.so.2 (GLIBC_2.0) => /lib/libdl.so.2
		libc.so.6 (GLIBC_2.1.3) => /lib/libc.so.6
		libc.so.6 (GLIBC_2.0) => /lib/libc.so.6
		libpthread.so.0 (GLIBC_2.0) => /lib/libpthread.so.0
	/usr/lib/libstdc++.so.5:
		libgcc_s.so.1 (GCC_3.0) => /lib/libgcc_s.so.1
		libc.so.6 (GLIBC_2.2) => /lib/libc.so.6
		libc.so.6 (GLIBC_2.1.3) => /lib/libc.so.6
		libc.so.6 (GLIBC_2.3) => /lib/libc.so.6
		libc.so.6 (GLIBC_2.0) => /lib/libc.so.6
		libc.so.6 (GLIBC_2.1) => /lib/libc.so.6
	/lib/libm.so.6:
		libc.so.6 (GLIBC_2.1.3) => /lib/libc.so.6
		libc.so.6 (GLIBC_2.0) => /lib/libc.so.6
	/lib/libgcc_s.so.1:
		libc.so.6 (GLIBC_2.2.4) => /lib/libc.so.6
		libc.so.6 (GLIBC_2.1.3) => /lib/libc.so.6
		libc.so.6 (GLIBC_2.0) => /lib/libc.so.6
	/lib/libc.so.6:
		ld-linux.so.2 (GLIBC_2.1) => /lib/ld-linux.so.2
		ld-linux.so.2 (GLIBC_2.0) => /lib/ld-linux.so.2
		ld-linux.so.2 (GLIBC_PRIVATE) => /lib/ld-linux.so.2
	/usr/lib/libmng.so.1:
		libm.so.6 (GLIBC_2.0) => /lib/libm.so.6
		libc.so.6 (GLIBC_2.1.3) => /lib/libc.so.6
		libc.so.6 (GLIBC_2.0) => /lib/libc.so.6
	/usr/lib/libjpeg.so.62:
		libc.so.6 (GLIBC_2.1.3) => /lib/libc.so.6
		libc.so.6 (GLIBC_2.0) => /lib/libc.so.6
	/usr/lib/libpng.so.3:
		libm.so.6 (GLIBC_2.0) => /lib/libm.so.6
		libc.so.6 (GLIBC_2.1.3) => /lib/libc.so.6
		libc.so.6 (GLIBC_2.0) => /lib/libc.so.6
	/usr/lib/libz.so.1:
		libc.so.6 (GLIBC_2.1.3) => /lib/libc.so.6
		libc.so.6 (GLIBC_2.1) => /lib/libc.so.6
		libc.so.6 (GLIBC_2.0) => /lib/libc.so.6
	/lib/libpthread.so.0:
		libc.so.6 (GLIBC_2.1.3) => /lib/libc.so.6
		libc.so.6 (GLIBC_2.3) => /lib/libc.so.6
		libc.so.6 (GLIBC_2.1) => /lib/libc.so.6
		libc.so.6 (GLIBC_2.2) => /lib/libc.so.6
		libc.so.6 (GLIBC_2.0) => /lib/libc.so.6
		libc.so.6 (GLIBC_PRIVATE) => /lib/libc.so.6
	/usr/X11R6/lib/libXmu.so.6:
		libc.so.6 (GLIBC_2.1.3) => /lib/libc.so.6
		libc.so.6 (GLIBC_2.1) => /lib/libc.so.6
		libc.so.6 (GLIBC_2.0) => /lib/libc.so.6
	/usr/X11R6/lib/libICE.so.6:
		libc.so.6 (GLIBC_2.1.3) => /lib/libc.so.6
		libc.so.6 (GLIBC_2.1) => /lib/libc.so.6
		libc.so.6 (GLIBC_2.0) => /lib/libc.so.6
	/usr/X11R6/lib/libSM.so.6:
		libc.so.6 (GLIBC_2.1.3) => /lib/libc.so.6
		libc.so.6 (GLIBC_2.0) => /lib/libc.so.6
	/lib/libdl.so.2:
		libc.so.6 (GLIBC_2.3) => /lib/libc.so.6
		libc.so.6 (GLIBC_2.1.3) => /lib/libc.so.6
		libc.so.6 (GLIBC_2.1) => /lib/libc.so.6
		libc.so.6 (GLIBC_PRIVATE) => /lib/libc.so.6
		libc.so.6 (GLIBC_2.0) => /lib/libc.so.6
	/usr/X11R6/lib/libXext.so.6:
		libc.so.6 (GLIBC_2.1.3) => /lib/libc.so.6
		libc.so.6 (GLIBC_2.0) => /lib/libc.so.6
	/usr/X11R6/lib/libX11.so.6:
		libdl.so.2 (GLIBC_2.1) => /lib/libdl.so.2
		libdl.so.2 (GLIBC_2.0) => /lib/libdl.so.2
		libc.so.6 (GLIBC_2.1.3) => /lib/libc.so.6
		libc.so.6 (GLIBC_2.2) => /lib/libc.so.6
		libc.so.6 (GLIBC_2.1) => /lib/libc.so.6
		libc.so.6 (GLIBC_2.1.2) => /lib/libc.so.6
		libc.so.6 (GLIBC_2.0) => /lib/libc.so.6
	/usr/X11R6/lib/libXrender.so.1:
		libc.so.6 (GLIBC_2.1.3) => /lib/libc.so.6
		libc.so.6 (GLIBC_2.0) => /lib/libc.so.6
	/usr/X11R6/lib/libXft.so.1:
		libc.so.6 (GLIBC_2.1.3) => /lib/libc.so.6
		libc.so.6 (GLIBC_2.1) => /lib/libc.so.6
		libc.so.6 (GLIBC_2.0) => /lib/libc.so.6
	/usr/lib/libfreetype.so.6:
		libc.so.6 (GLIBC_2.1.3) => /lib/libc.so.6
		libc.so.6 (GLIBC_2.0) => /lib/libc.so.6
	/usr/X11R6/lib/libXi.so.6:
		libc.so.6 (GLIBC_2.1.3) => /lib/libc.so.6
		libc.so.6 (GLIBC_2.0) => /lib/libc.so.6
	/usr/lib/libstdc++-libc6.2-2.so.3:
		libm.so.6 (GLIBC_2.0) => /lib/libm.so.6
		libc.so.6 (GLIBC_2.1.3) => /lib/libc.so.6
		libc.so.6 (GLIBC_2.1) => /lib/libc.so.6
		libc.so.6 (GLIBC_2.0) => /lib/libc.so.6
	/usr/lib/liblcms.so.1:
		libc.so.6 (GLIBC_2.1.3) => /lib/libc.so.6
		libc.so.6 (GLIBC_2.1) => /lib/libc.so.6
		libc.so.6 (GLIBC_2.0) => /lib/libc.so.6
		libm.so.6 (GLIBC_2.0) => /lib/libm.so.6
	/usr/X11R6/lib/libXt.so.6:
		libc.so.6 (GLIBC_2.1.3) => /lib/libc.so.6
		libc.so.6 (GLIBC_2.1.2) => /lib/libc.so.6
		libc.so.6 (GLIBC_2.1) => /lib/libc.so.6
		libc.so.6 (GLIBC_2.0) => /lib/libc.so.6
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