Error when using breakpoints in Simulink

Im getting the following Error Message:

Making simulation target "OptimizeTrajectory_sfun", ... 

"E:\Program Files\MATLAB\R2016b\bin\win64\mex.exe" -c  -DMATLAB_MEX_FILE   -I"E:\Program Files\MATLAB\R2016b\extern\include" -I"E:\Program Files\MATLAB\R2016b\simulink\include" -I"E:\Program Files\MATLAB\R2016b\simulink\include\sf_runtime" -I"E:\Program Files\MATLAB\R2016b\stateflow\c\mex\include" -I"E:\Program Files\MATLAB\R2016b\rtw\c\src" -I"E:\GIT IRT\work\slprj\_sfprj\OptimizeTrajectory\_self\sfun\src"    OptimizeTrajectory_sfun.c 
Building with 'MinGW64 Compiler (C)'. 
MEX completed successfully. 
"E:\Program Files\MATLAB\R2016b\bin\win64\mex.exe" -c  -DMATLAB_MEX_FILE   -I"E:\Program Files\MATLAB\R2016b\extern\include" -I"E:\Program Files\MATLAB\R2016b\simulink\include" -I"E:\Program Files\MATLAB\R2016b\simulink\include\sf_runtime" -I"E:\Program Files\MATLAB\R2016b\stateflow\c\mex\include" -I"E:\Program Files\MATLAB\R2016b\rtw\c\src" -I"E:\GIT IRT\work\slprj\_sfprj\OptimizeTrajectory\_self\sfun\src"    OptimizeTrajectory_sfun_registry.c 
Building with 'MinGW64 Compiler (C)'. 
MEX completed successfully. 
"E:\Program Files\MATLAB\R2016b\bin\win64\mex.exe" -c  -DMATLAB_MEX_FILE   -I"E:\Program Files\MATLAB\R2016b\extern\include" -I"E:\Program Files\MATLAB\R2016b\simulink\include" -I"E:\Program Files\MATLAB\R2016b\simulink\include\sf_runtime" -I"E:\Program Files\MATLAB\R2016b\stateflow\c\mex\include" -I"E:\Program Files\MATLAB\R2016b\rtw\c\src" -I"E:\GIT IRT\work\slprj\_sfprj\OptimizeTrajectory\_self\sfun\src"    c3_OptimizeTrajectory.c 
Building with 'MinGW64 Compiler (C)'. 
MEX completed successfully. 
### Linking ... 
"E:\Program Files\MATLAB\R2016b\bin\win64\mex.exe" -silent LDFLAGS="$LDFLAGS  " -output OptimizeTrajectory_sfun.mexw64 @OptimizeTrajectory_sfun.mol       
E:\GIT IRT\work\slprj\_sfprj\OptimizeTrajectory\_self\sfun\src\Files\MATLAB\R2016b\extern\lib\win64\mingw64 not found; check that you are in the correct current folder, and check the spelling of 'E:\GIT IRT\work\slprj\_sfprj\OptimizeTrajectory\_self\sfun\src\Files\MATLAB\R2016b\extern\lib\win64\mingw64'. 
gmake: *** [OptimizeTrajectory_sfun.mexw64] Error -1

With "E:\GIT IRT\work\" being my working folder, I think that the error is that matlab is trying to find the folder of MinGW somewhere in my working folder.

Matlab is trying the path "E:\GIT IRT\work\slprj\_sfprj\OptimizeTrajectory\_self\sfun\src\Files\MATLAB\R2016b\extern\lib\win64\mingw64" which is not existing.

MinGW is under MatlabRoot\extern\lib\win64\mingw64, which is similar to the wrong path.

I have no idea how to fix this problem. I'm grateful for ideas.

Answer 1

[Fangjun Jiang]

Can you run "mex -setup" and follow instructions to select your local MinGW as the C compiler.

[Christopher Schulte]

Hello, thanks for your answer.

If I type in "mex -setup", It states that a MinGW compiler (C) is present. Additionally the compiler was In the first lines of the error successful.

[Fangjun Jiang]

Right. Try removing the folder \slprj in your working folder and re-run. It is a temporary folder, safe to remove.