Solve conflicts of VS studio versions in cython extension building on Windows...

Solve conflicts of VS studio versions in cython extension building on Windows (we must use the same version of VS used to build libmatio).b

.gitlab-ci.yml

@@ -158,6 +158,9 @@ pkg_win:
           #- 'cmake -G "MinGW Makefiles" -DBUILD_WRAPPER_MATLAB=ON -DBUILD_WRAPPER_PYTHON=ON -DSLOW_TESTS=OFF -DCPACK_PACKAGE_VERSION=%SHA_START% -DBUILD_DOCUMENTATION=ON -DEXCLUDE_FAUST_LIB_INSTALL=ON -DCMAKE_INSTALL_PREFIX=win_pkg_build -DBUILD_TESTING=OFF -DAPI_DOC_BASE_URL="file:///C:/Program Files/Faust/doc/" -DREMOTE_DATA_URL="%DURL%" -DREMOTE_DATA_FILE="%DFILE%" -DEXPERIMENTAL_PKG=ON -DUSE_GPU_MOD=ON -DCMAKE_PREFIX_PATH=../gpu_mod ..'
           #- make
         - 'cmake -G "Visual Studio 14 Win64" -DBUILD_WRAPPER_MATLAB=ON -DBUILD_WRAPPER_PYTHON=ON -DSLOW_TESTS=OFF -DCPACK_PACKAGE_VERSION=%SHA_START% -DBUILD_DOCUMENTATION=ON -DEXCLUDE_FAUST_LIB_INSTALL=ON -DCMAKE_INSTALL_PREFIX=win_pkg_build -DBUILD_TESTING=OFF -DUSE_MATIO_STATIC_LIBS=ON -DMATIO_STATIC_LIB_PATH="C:/Users/faust/Downloads/matio-1.5.13/visual_studio/x64/Release/libmatio.lib" -DZ_STATIC_LIB_PATH="C:/Users/faust/Downloads/zlib-1.2.11/contrib/vstudio/vc14/x64/ZlibStatDebug/zlibstat.lib" -DHDF5_STATIC_LIB_PATH="C:/Users/faust/Downloads/hdf5-1.10.3/build/bin/Release/libhdf5.lib" -DAPI_DOC_BASE_URL="file:///C:/Program Files/Faust/doc/" -DREMOTE_DATA_URL="%DURL%" -DREMOTE_DATA_FILE="%DFILE%" -DEXPERIMENTAL_PKG=ON -DUSE_GPU_MOD=ON -DCMAKE_PREFIX_PATH=../gpu_mod -DPYTHON_ENCODING=windows-1252 -DBUILD_MULTITHREAD=ON -DBUILD_FLOAT_PYX=ON ..'
+        # explicitely configure distutils (to use the VS configuration we'll tell in next bat script) because by default it uses the most recent VS version but we need to use VS 2015 (because libmatio etc. are compiled with this version)
+        - set DISTUTILS_USE_SDK=1
+        - call "C:\Program Files (x86)\Microsoft Visual Studio 14.0\VC\bin\x86_amd64\vcvarsx86_amd64.bat"
         - cmake --build . --config Release # Debug is avoided because of debug symbols missing for at least one library (inconsistency of config mode across libraries)
         - makensis faust.nsi
     artifacts:
@@ -535,6 +538,9 @@ pkg_linux_purepy_release_torch_linked:
         - if NOT EXIST build (mkdir build) else (rmdir /S /Q build & mkdir build)
         - cd build
         - 'cmake -G "Visual Studio 14 2015" -DBUILD_WRAPPER_MATLAB=OFF -DBUILD_WRAPPER_PYTHON=ON -DSLOW_TESTS=OFF -DCPACK_PACKAGE_VERSION=%VERSION% -DCMAKE_INSTALL_PREFIX=win_pkg_build -DBUILD_TESTING=OFF  -DUSE_MATIO_STATIC_LIBS=ON -DMATIO_STATIC_LIB_PATH="C:/Users/faust/Downloads/matio-1.5.13/visual_studio/x64/Release/libmatio.lib" -DZ_STATIC_LIB_PATH="C:/Users/faust/Downloads/zlib-1.2.11/contrib/vstudio/vc14/x64/ZlibStatDebug/zlibstat.lib" -DHDF5_STATIC_LIB_PATH="C:/Users/faust/Downloads/hdf5-1.10.3/build/bin/Release/libhdf5.lib" -DREMOTE_DATA_URL="%DURL%" -DREMOTE_DATA_FILE="%DFILE%" -DEXPERIMENTAL_PKG=%EXPERIMENTAL_PKG% -DUSE_GPU_MOD=ON  -DCMAKE_PREFIX_PATH=../gpu_mod -DBUILD_MULTITHREAD=ON -DBUILD_FLOAT_PYX=ON ..'
+          # explicitely configure distutils (to use the VS configuration we'll tell in next bat script) because by default it uses the most recent VS version but we need to use VS 2015 (because libmatio etc. are compiled with this version)
+        - set DISTUTILS_USE_SDK=1
+        - call "C:\Program Files (x86)\Microsoft Visual Studio 14.0\VC\bin\x86_amd64\vcvarsx86_amd64.bat"
         #- make
         - cmake --build . --target FAUST
         - cd wrapper/python