Bug#51267: marked as done (-lieee -lm cannot generate shared binaries)
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with message-id <[🔎] 80adie44tm.wl@oris.opensource.jp>
and subject line -lieee -lm cannot generate shared binaries
has caused the attached Bug report to be marked as done.
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Bug report if necessary, and/or fix the problem forthwith.
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From: Samuel Tardieu <sam@debian.org>
To: Debian Bug Tracking System <submit@bugs.debian.org>
Subject: -lieee -lm cannot generate shared binaries
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Package: libc6-dev
Version: 2.1.2-10
Severity: normal
-lm -lieee cannot be used in shared mode. This prevents Erlang from building
cleanly.
% gcc -shared -o t.so t.c -lm
% gcc -shared -o t.so t.c -lieee
% gcc -shared -o t.so t.c -lieee -lm
% gcc -shared -o t.so t.c -lm -lieee
ld: t.so: undefined versioned symbol name _LIB_VERSION@@GLIBC_2.0
ld: failed to set dynamic section sizes: Bad value
Sam
-- System Information
Debian Release: potato
Architecture: i386
Kernel: Linux antinea 2.2.13 #1 Mon Nov 8 12:40:02 CET 1999 i686
Versions of packages libc6-dev depends on:
ii libc6 2.1.2-10 GNU C Library: Shared libraries an
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Date: Tue, 07 Jan 2003 01:32:21 +0900
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From: GOTO Masanori <gotom@debian.or.jp>
To: Samuel Tardieu <sam@debian.org>, 51267-done@bugs.debian.org,
debian-glibc@lists.debian.org
Subject: Re: -lieee -lm cannot generate shared binaries
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> -lm -lieee cannot be used in shared mode. This prevents Erlang from building
> cleanly.
>
> % gcc -shared -o t.so t.c -lm
> % gcc -shared -o t.so t.c -lieee
> % gcc -shared -o t.so t.c -lieee -lm
> % gcc -shared -o t.so t.c -lm -lieee
> ld: t.so: undefined versioned symbol name _LIB_VERSION@@GLIBC_2.0
> ld: failed to set dynamic section sizes: Bad value
No, -lieee have to place prior to -lm. -lieee forces IEEE error
handling rules for math functions in linking with -lm. So, if you
put -lieee after -lm, it's meaningless.
If you think this matter should be in libc info, please tell us.
But I wonder why you use -lieee without any knowledge of its role.
I guess -lieee is needed for compiling on another archs/OSes...
Regards,
-- gotom
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