Where to find stddef.h

Improve this answer. Evan Carroll Gilles 'SO- stop being evil' Gilles 'SO- stop being evil' k gold badges silver badges bronze badges. Thanks for the command to ask the compiler what it uses! Sign up or log in Sign up using Google. Sign up using Facebook. Sign up using Email and Password. Post as a guest Name. Email Required, but never shown. The Overflow Blog. Does ES6 make JavaScript frameworks obsolete? Podcast Do polyglots have an edge when it comes to mastering programming Featured on Meta.

Now live: A fully responsive profile. Related 6. Hot Network Questions. Question feed. I got next errors:. The text was updated successfully, but these errors were encountered:. Sorry, something went wrong. Having the same problem with gcc 7. The builtin include path is not part of the compilation database. See doc link above for workarounds. Now the header is resolved properly. This flow would always work somewhat, you just need to get the include-directory right. Thank you for other workaround!

But I still think will be good idea to improve tooling run-time configuration, since different tools fail in same way and workarounds are needed as fixes. Tool working out of the box creates much better user experience I agree that it would be great to fix this, and that discussion is already covered by So let's close this as a dupe but thank you both for the different workaround suggestions. Hi had a similar issue: in my case it was because my iwyu was based on llvm-7 but only clang-4 and clang-6 were installed.

Suddenly it works :. See this github action workflow that uses ubuntu-latest aka ubuntu Should work with any cmake project. It runs IWYU correctly and fails because there is an unnecessary include. Why is stddef. Ask Question. Asked 5 years, 6 months ago.

Active 5 years, 6 months ago. Viewed 15k times. Edit: Clarification I feel that the title of this question is not optimal. Improve this question. Could you confirm that gcc does indeed point to your 5.

If you add -I option the compiler looks first to the added include path before to look into the standard dirs. Using --nostdinc you are strongly sure that you are using your freshly installed headers.

Also, see stackoverflow. Add a comment. Active Oldest Votes. Improve this answer. Right, gcc can do that with the option. John Zwinck John Zwinck k 31 31 gold badges silver badges bronze badges. P k 18 18 gold badges silver badges bronze badges.