Charm++ parallel programming system

[Hrushit Parikh <parikhhrushit AT hotmail.com>]

Edit: I declared extern int findLoad(int , char * )

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From: parikhhrushit AT hotmail.com
To: charm AT cs.uiuc.edu
Date: Sun, 24 Aug 2014 08:58:47 +0530
Subject: [charm] Extern in conv-ldb

Hi,
I have a function " int findLoad(int m, char *msg ) " in charm/src/conv-ldb/cldb.neighbour.c
I wish to call this function in charm/src/conv-core/convcore.c

I declared extern void findLoad(int, char *) in convcore.c and tried calling the function. The charm library builds fine but when I make any charm++ example I get an error:
convcore.c:(.text+0x1911): undefined reference to `findLoad()'

How do I call this function in convcore.c?

I am surprised this does not work because an exactly similar approach is used in convcore.c to call CldModuleInit(char **argv). This function is declared in cldb.neighbour.c. It is defined as an extern in convcore.c and then called subsquently and this works perfectly.

So why is it not work for a user-defined function call? 

Thank you,
Hrushit

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