[fpc-pascal] bridging an C++ shared library statically

[Xiangrong Fang]

Ok, but when I added these:


implementation
{$linklib libthostintf.a}
{$linklib thostmduserapi.so}
end.

I got:

/usr/bin/ld: cannot find -lthostmduserapi

All the required .so and .a file are in CURRENT dir.




2013/9/21 Michael Van Canneyt <michael at freepascal.org>

>
>
> On Sat, 21 Sep 2013, Xiangrong Fang wrote:
>
>  Hi All,
>>
>> I need to use a C++ so file in FreePascal.   I have written a C wrapper
>> for it, which successfully connected to Pascal.
>>
>> Now my question is, can I use the $linklib directive to link the
>> C-Wrapper STATICALLY, which in-turn use the shared so file?   I tried to do
>> this but it complained a lot of
>> undefined references.
>>
>
> This is normal.
>
>
>
>> The key problem is, the {$linklib} instruction only tell FPC where to
>> look for external functions in the C Wrapper, but how can I tell the linker
>> to look for the ORIGINAL C++
>> so file to look for symbols required but not defined in the C-Wrapper?
>>
>
> {$linklib XYZ}
>
> can be used for any library. So you should add the C wrapper library, C++
> library,
> and probably some others as well, such as the C++ STL.
>
> Michael.
> _______________________________________________
> fpc-pascal maillist  -  fpc-pascal at lists.freepascal.org
> http://lists.freepascal.org/mailman/listinfo/fpc-pascal
>
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