This ensures that it gets installed in platform specified system libdir
all platforms do not use /usr/lib as assumed here e.g. ppc64 uses lib64
Signed-off-by: Khem Raj <raj.khem@gmail.com>
1. Allow specifying Python interpreter version with BUILD_PYTHON_VERSION
2. Fix Python modules install path generation (would produce spurious
line feed which would cause destination directory to be
/usr/lib/python*/dist-packages\n -- note the final \n!
Khem Raj