HSL compiling and linking windows-spyder 64 bit

[Daniela Silva]

After much trying I finally successfully compiled and linked the HSL package with Spyder 3.6 (python 64 bits) in Windows 10. These are the steps I followed:

- From http://www.math.ucla.edu/~wotaoyin/windows_coding.html I downloaded msys64. I also followed the steps given in the webiste to install MINGW64, MIP (not sure if it is necessary), OPENBLAS and cmake.

- Then, I added C:\msys64\mingw64\bin to the PATH in windows

- From the command windown Mingw64 I downloaded Metis-4.0 as instructed in https://github.com/casadi/casadi/wiki/Obtaining-HSL using the commands:

     wget http://glaros.dtc.umn.edu/gkhome/fetch/sw/metis/OLD/metis-4.0.3.tar.gz   # Download metis

     tar -xvf metis-4.0.3.tar.gz # Unpack Metis

- Then I unpacked the HSL source code and put Metis-4.03 into the resulting folder as instructed in https://github.com/casadi/casadi/wiki/Obtaining-HSL

- I created a folder in Documents to install HSL

- Finally form the Mingw64 shell I executed the following commads (https://groups.google.com/forum/#!topic/casadi-users/uJygStQULeI) :

       1. cd  <path to where you wanna install>     # Goes into the folder you wanna install hsl

       2. <path to where the unpacked hsl source folder with metis is>/configure  --with-blas="-lopenblas" CXXFLAGS="-O3 -fopenmp" FCFLAGS="-O3 -fopenmp" CFLAGS="-O3 -fopenmp"   

       3. make

       4. make install

Finally, in the folder you install the hls you get a folder called ".libs". In this folder you have "libcoinhsl-0.dll" to which you have to create a symbolic link (https://github.com/casadi/casadi/wiki/Obtaining-HSL):

       5. ln -s <path to where you installed hsl>/.libs/libcoinhsl-0.dll     <path to where you installed hsl>/.libs/libhsl.dll    # Create a symbolic link named libhsl.dll 

If you check into the ".libs", you now notice you have a file named "libhsl.dll". Add the folder containing this file (.libs in this case) to the PATH in windows, and to the `PYTHONPATH manager (if you are using spyder).

Hope this helps.

[Joel Andersson]

Thank you for sharing! Joel

[Marco Aurélio S. Aguiar]

Hey,

Thank you for sharing. I managed to compile it in the past but I IPOPT/CasADi would randomly crash during optimization.

Have you had any issue?

Best Regards,

Marco

[Daniela Silva]

No, so far everything is working fine.

[Francis]

Hi,

Great work! Following your instructions, I finally managed to install the 64 bit HSL solvers on Windows. I need to report a few things though.

1. I didn't install MIP.

2. When testing cmake after the installation, it failed though I tried to install it a few times. I guess this may be related to the testing file rather than the cmake installation itself since the following steps went well.

Regards,

Francis