Error when trying to build with meta examples

[krishnaw14]

I successfully built shogun without the examples (#4174 ) but now when I am trying to do the same with meta examples, I am getting an error as follows:
`$ cmake -DSWIG_EXECUTABLE=/usr/local/bin/swig -DINTERFACE_PYTHON=ON -DBUILD_META_EXAMPLES=ON ..
-- Could NOT find CCache (missing: CCACHE CCACHE_VERSION)
-- Using system's malloc
CMake Error at src/shogun/CMakeLists.txt:49 (MESSAGE):
Shogun can only be built with GPL codes if the source files are in
/Users/krishna/shogun/src/gpl. Please download or disable with
LICENSE_GPL_SHOGUN=OFF.

-- Configuring incomplete, errors occurred!
See also "/Users/krishna/shogun/build/CMakeFiles/CMakeOutput.log" `

[vigsterkr]

as the error suggest you either checkout the GPL code (git submodule update --init) or simply disable to compilation of the GPL part with -DLICENSE_GPL_SHOGUN=OFF.

please next time read more carefully the error message before firing an issue