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Old   May 3, 2013, 06:41
Default Compilation problem when including C file
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Manuel Cellarius
Join Date: Apr 2013
Location: Northern Ireland, Belfast
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I want to couple SU2 with MpCCI (a coupling software) in order to make aeroelastic simulations with Nastran. MpCCI provides a C interface so I need to include some C headers in SU2_CFD.hpp and add some functions in SU2_CFD.cpp.

My problem is to compile the whole program. I already included for test reasons a c++ file and compiled it successfully (added lines for *hpp and *cpp file in and in the SU2_CFD/obj directory and used afterwards the configure file to create a new Makefile). If I do exactely the same with an external C file I get a compilation error after the object files are created. For test reasons I just tried to include a very simple C file which is located in SU2_v2.0.2/trunk/MpCCI_Adapter:

extern "C" {
#include "../../MpCCI_Adapter/data.h"

/* data.h */

#include <stdio.h>
void SayHello();

/* data.c */

#include "data.h"
void SayHello(){
printf("C header file included");

/* SU2_CFD.cpp */


I also tried to use the following command using the configure file, which didn't change anything:

It is quite easy to find in the internet a solution for how compiling one c++ and one c file. But as I am very new to compiling it feels for me impossible to change these complex makefiles to fit my needs! I just saw that you also include an external C file (metis.h), but wasn't able to figure out what I have to change in the makefile in my case.

I would be very thankful if someone can help me with this problem!

I attached the error message and the makefiles.

Attached Files
File Type: txt errormessage.txt (28.6 KB, 3 views)
File Type: zip (20.3 KB, 3 views)
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Old   May 9, 2013, 13:20
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Thomas D. Economon
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Hi Manuel,

At the moment, we don't have any experience in compiling SU2 with the MpCCI software. However, I would like to mention that SU2 can still be compiled using plain old makefiles rather than the autoconf/automake system, if a user would really like to do so. The original makefiles should still exist in the config/ directory for each module, i.e. SU2/SU2_CFD/config/. As a warning, these may be out of date, but it seems that you will probably need to update them anyway to accommodate the new external dependency.

Hope this helps!
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Old   May 13, 2013, 05:29
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Manuel Cellarius
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Hey Tom,
thank you! This makefile seems to me to deal with much easier. I'll try my best
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