Mail Archives: cygwin/2004/07/07/12:59:40
Dave Korn wrote:
>> -----Original Message-----
>> From: cygwin-owner On Behalf Of Gerrit P. Haase
>> Sent: 07 July 2004 17:35
>
>> Maarten wrote:
>
>> which needs to
>>> be built as a shared library. Dbh uses libtool in its build process.
>>
>>> Of course this complains with
>>
>>> libtool: link: warning: undefined symbols not allowed in
>>> i686-pc-cygwin shared libraries
>>
>>> As far as I know, to get this to build I need to create a
>> .def file, and
>>> somehow include this in the libtool invocation.
>>
>>> Are there some general hints to determine which
>> functions/symbols need
>>> to be included in this .def file, and how to modify the libtool
>>> invocation to use this file?
>>
>> You don't need .def files on Cygwin. Just add -no-undefined to
>> libxyz_LDFLAGS.
>
> Do you perhaps mean "--allow-shlib-undefined"? A quick glance at the ld
> --help output suggests that's more like what's needed, isn't it?
No.
-no-undefined is what is required here, and it is a libtool flag, not a ld flag.
Windows simply doesn't allow for undefined symbols in shlibs, and there is nothing ld can do about it.
Max.
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