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Re: Help with adding C-Language Functions - Mailing list pgsql-interfaces

From Tom Lane
Subject Re: Help with adding C-Language Functions
Date
Msg-id 4724.1108082132@sss.pgh.pa.us
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In response to Re: Help with adding C-Language Functions  (Seamus Thomas Carroll <carrolls@cpsc.ucalgary.ca>)
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Seamus Thomas Carroll <carrolls@cpsc.ucalgary.ca> writes:
> It compiles but when i try the LOAD command i get the following error:
> ERROR:  could not load library "/home/grads/.../BlackboardFunctions.so": 
> /home/grads/.../BlackboardFunctions.so: undefined symbol: _Z16pg_detoast_datumP7varlena

extern "C" { ... } around all the Postgres include files, too, no doubt.
You might wish to go and read some information about connecting C and C++,
since you've obviously never done it before ;-)
        regards, tom lane

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