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From: | "Ralf Habacker" <Ralf DOT Habacker AT freenet DOT de> |
To: | "Cygwin-Apps" <cygwin-apps AT cygwin DOT com> |
Subject: | RE: FW: libtool devel package still dll crippled. |
Date: | Sun, 21 Apr 2002 19:15:25 +0200 |
Message-ID: | <005901c1e958$207ecfa0$651c440a@BRAMSCHE> |
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> > 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 ? Ralf
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