Sebastian Bøe 89516fbc25 cmake: Change the zephyr_get_* API to be LANG-aware ... When exporting flags to an external build system we need to deal with the fact that we sometimes use generator expressions. Specifically, we use generator expressions that look like this: $<$<COMPILE_LANGUAGE:CXX>:-fno-exceptions> This patch replaces the old API with a new one where users can ask for compile options for specific languages, like this: zephyr_get_compile_options_for_lang_as_string(CXX x) The existing API would have either crashed or silently omitted flags when a COMPILE_LANG generator expression was present. Signed-off-by: Sebastian Bøe <sebastian.boe@nordicsemi.no>		2017-12-05 10:08:40 -05:00
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external_lib	cmake: Change the zephyr_get_* API to be LANG-aware	2017-12-05 10:08:40 -05:00