Hi

I am newly to use ACADOS. I have installed ACADOS in windows using Matlab interface. The example of getting_started runs ok. However, when I turned to the example of generic_external_cost, some errors occurred. The errors are:

```
found compiled acados MEX interface
C:\Users\zhuangx\AppData\Local\Temp\cc6CY5Px.o:generic_ext_cost.c:(.text+0x55): undefined reference to `blasfeo_dgese'
C:\Users\zhuangx\AppData\Local\Temp\cc6CY5Px.o:generic_ext_cost.c:(.text+0x1b6): undefined reference to `blasfeo_dgese'
collect2.exe: error: ld returned 1 exit status
Error using ocp_generate_casadi_ext_fun (line 243)
Compilation of model functions failed! Please check the compile command above and the flags therein closely. Compile command was:
gcc -O2 -fPIC -shared -IC:\Research\acados\examples\acados_matlab_octave\..\.. -IC:\Research\acados\examples\acados_matlab_octave\..\..\external\blasfeo\include
C:\Research\acados\examples\acados_matlab_octave\generic_external_cost\build\pendulum_dyn_expl_ode_fun.c
C:\Research\acados\examples\acados_matlab_octave\generic_external_cost\build\pendulum_dyn_expl_ode_hess.c
C:\Research\acados\examples\acados_matlab_octave\generic_external_cost\build\pendulum_dyn_expl_vde_adj.c
C:\Research\acados\examples\acados_matlab_octave\generic_external_cost\build\pendulum_dyn_expl_vde_forw.c generic_ext_cost.c -o
C:\Research\acados\examples\acados_matlab_octave\generic_external_cost\build\libpendulum.lib
Error in acados_ocp (line 197)
ocp_generate_casadi_ext_fun(obj.model_struct, obj.opts_struct);
Error in external_cost_example_ocp (line 135)
ocp = acados_ocp(ocp_model, ocp_opts);
```

```
this error message
```

Looking for your help

Bests,

Zhuang