When compiling an external application, the variable points to the root of external application sources.
* RTE_OUTPUT: The path to which output files are written.
- Typically, it is $(RTE_SRCDIR)/build, but it can be overriden by the O= option in the make command line.
+ Typically, it is $(RTE_SRCDIR)/build, but it can be overridden by the O= option in the make command line.
* RTE_TARGET: A string identifying the target for which we are building.
The format is arch-machine-execenv-toolchain.