Pickapart

Trying to compile on Gentoo amd64. I think it's a better way through Gentoo because the distro works with source file. But i have early a compilation error : ```...

OK i change FindFLANN.cmake like this : ``` ############################################################################### # Find FLANN # # This sets the following variables: # FLANN_FOUND - True if FLANN was found. # FLANN_INCLUDE_DIRS -...