c++ - Eclipse CDT shows "unresolved inclussion" Errors though project compiles -


i using eclipse cdt luna c++/c project. have downloaded github , maintaining local repository. imported project eclipse "existing code makefile project". when build application once on command line compiles , runs , debug source. annoying @ moment std included , system included shows "unresolved inclusion" error.

i ve changed toolchain in project properties linux gcc, cross gcc , gnu autotools wont go awenter image description hereay.

i added following paths , tried buld index did not work either.enter image description here

does has idea why happens. once again iterating project compiles , runs fine these markings annoying can not see breakpoints ect.

std setting of project properties follows. enter image description here


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