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Date: | Sun, 21 Apr 2002 13:52:42 -0400 |
From: | Christopher Faylor <cgf-cygwin AT cygwin DOT com> |
To: | cygwin-apps AT cygwin DOT com |
Cc: | cygwin AT cygwin DOT com |
Subject: | Re: FW: libtool devel package still dll crippled. |
Message-ID: | <20020421175242.GA1121@redhat.com> |
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References: | <005e01c1e774$2dab05d0$651c440a AT BRAMSCHE> <005901c1e958$207ecfa0$651c440a AT BRAMSCHE> |
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Forwarding to the correct mailing list. cgf On Sun, Apr 21, 2002 at 07:15:25PM +0200, Ralf Habacker wrote: >>>ld checks the symbols in the shared libs during compile time to see if >>>it can resolve all symbols and appearantly also detects duplicated >>>symbols. On Linux it is not necassery impossible to have two libs that >>>define the same symbols. E.g. this feature can be used to override >>>the malloc implementation of libc. Of course when this happens >>>inadvertently it can lead to unexpected behaviour/crashes. ELF (The >>>linking format used on Linux) has rather complex rules for determining >>>which symbol should be used if it is defined multiple times. It also >>>distinguishes between weak and strong symbols. It might be that it is >>>only possible to override weak-symbols and that multiple strong-symbols >>>result in link-errors. >> >>Does the cygwin ld has some similar rules ? >> >Is nobody on this list, who can give an answer to this question ? -- Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple Bug reporting: http://cygwin.com/bugs.html Documentation: http://cygwin.com/docs.html FAQ: http://cygwin.com/faq/
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