Re: FW: libtool devel package still dll crippled.

Re: FW: libtool devel package still dll crippled.

[Christopher Faylor]

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 ?

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