targets: add nuttx interpreter build

[seanshpark]

JerryScript-DCO-1.0-Signed-off-by: SaeHie Park [email protected]

[seanshpark]

any one interested to review? :)

[zherczeg]

In general argument, function comments are missing from main-nuttx.cpp. I think there was a discussion to reduce the number of main-**.cpp files. Do we really need a separated file this platform?

[seanshpark]

@zherczeg , well,I wasn't thinking of adding snapshot to arm/nuttx and when I made this code, linux and darwin was in separate files. And I think for embed target ports, I prefer more simple codes as an example and entry.

[zherczeg]

Is it still a valid PR or you plan some changes?

[seanshpark]

Hope to merge as is but if you think better to use main-unix.cpp, I need to check how it works.

[LaszloLango]

The main reason of merging main-linux.cpp and main-darwin.cpp was that they were almost identical. I think it is OK to place in a separate file, because main-nuttx.cpp is different.

[zherczeg]

Ok I was just asking.

[zherczeg]

LGTM, though it would be good to reduce code duplications on these main-*.cpp files in a followup patches.

[LaszloLango]

Landed (ef1252e)