[GAP Forum] Compiling GAP for Use in C Program

[Chris Jefferson]

While this is not at all the answer to what you asked, you could 
consider using SCSCP, which is a library which lets you communicate with 
GAP. I have a very simple C++ SCSCP library here: 
https://bitbucket.org/ChrisJefferson/miniscscp, although it is easy to 
use SCSCP (except you have to use an XML library)

If you are making many very cheap calls to GAP this can be a bit slow, 
but it also makes it easy to parallelise your code as well.

Chris

On 14/02/14 19:37, Wolstenholme, Robert wrote:
> I want to compile some of my GAP functions into static libraries for use in a C program. I have compiled them using gac -c on Ubuntu but I 'm not sure how to now call these functions in my C program. I tried a few things but whenever I tried to link and create a binary I got an error.
>
> For example I initially tried a "Hello World" example with
>
> HelloWorld.g =
> -------------------------------------------------------------+
> PrintEO := function ( n )  Print( "Hello World" ); end; |
> -------------------------------------------------------------+
>
> HelloWorldMain.c =
> -----------------------+
> #include <stdio.h>  |
>                               |
> '''?void PrintEO()?'''' |
> int main()               |
> {                            |
>      '''?PrintEO()?'''     |
>      return 0;            |
> }                           |
> -----------------------+
> Where I don't know what to put for the '''?PrintEO()?'''. I analysed the created source code using gac -C but it still wasn't clear to me. How would I go about getting this to work?
>
> Rob
>
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