ide - Adding a "preprocessor include" doesn't seem to have effect -


i want ecplise cdt parser pre-include file not specified in source file, reasons won't go into, not complain undeclared identifiers in various places.

i tried using project | properties | c/c++ general | preprocesor includes | entries , adding relevant file languages. however, doesn't seem have effect. if go paths , symbols | includes, can add include directories, not include files.

what doing wrong , how can c/c++ parser include file?

note: i'm using nvidia cuda 8.0's nsight, modified cuda-enabled eclipse; platform version 4.4.0.

as noticed, paths , symbols | includes supports include directories, preprocessor include paths, macros etc. way go.

some common pitfalls may running into:

  • in entries tab, selecting correct language under languages? each language has own set of entries.

  • in providers tab, cdt user setting entries (assuming that's 1 you're adding entries to), use global provider shared between projects unchecked? if it's checked, project-specific entries ignored.

  • have rebuilt project's index (project -> c/c++ index -> rebuild)? new settings typically not picked until rebuild of index.

other things may help:

  • if, in add include dialog specifying include file project path or workspace path, try using filesystem path instead, if file inside project or workspace. helps.

  • in same dialog, try checking treat built-in. i'm not sure include files, has helped me in past include directories.

finally, if none of works, there more direct way specify -include or other flag:

  • in providers tab, select built-in compiler settings provider.
  • be sure use global provider shared between projects unchecked
  • append -include <path> or whatever other flag command compiler specs.

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