-# Kernel selection if needed. Impose a minimal version.
-# NOTE FOR NOW IT CHECKS KERNEL Yocto SDK Kernel version
-# else only HOST VERSION
+# Kernel selection if needed. You can choose between a
+# mandatory version to Impose a minimal version.
+# else only HOST VERSION. Or check Kernel minimal version
+# and just print a Warning about missing features and set
+# a define variable to be used as preprocessor condition
+# in code to disable incompatibles features. Preprocessor
+# define is named KERNEL_MINIMAL_VERSION_OK.
+#
+# NOTE*** FOR NOW IT CHECKS KERNEL Yocto environment and
+# Yocto SDK Kernel version.