Replace include guard macros with #pragma once in include files#25
Merged
makubacki merged 1 commit intotianocore-docs:mainfrom Feb 23, 2026
Merged
Conversation
makubacki
requested review from
ardbiesheuvel,
leiflindholm and
mdkinney
as code owners
mdkinney
previously approved these changes
Feb 9, 2026
makubacki
force-pushed
the
53_include_guard_pragma_once_update
branch
from
c2b06a7 to
5703692
Compare
leiflindholm
requested changes
Feb 10, 2026
Updates the include file requirements to mandate the use of `#pragma once` instead of traditional include guard macros with special exceptions noted. Contributed-under: TianoCore Contribution Agreement 1.1 Signed-off-by: Michael Kubacki <michael.kubacki@microsoft.com>
makubacki
force-pushed
the
53_include_guard_pragma_once_update
branch
from
5703692 to
aba634b
Compare
leiflindholm
approved these changes
Feb 10, 2026
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment
3 participants
Add this suggestion to a batch that can be applied as a single commit.This suggestion is invalid because no changes were made to the code.Suggestions cannot be applied while the pull request is closed.Suggestions cannot be applied while viewing a subset of changes.Only one suggestion per line can be applied in a batch.Add this suggestion to a batch that can be applied as a single commit.Applying suggestions on deleted lines is not supported.You must change the existing code in this line in order to create a valid suggestion.Outdated suggestions cannot be applied.This suggestion has been applied or marked resolved.Suggestions cannot be applied from pending reviews.Suggestions cannot be applied on multi-line comments.Suggestions cannot be applied while the pull request is queued to merge.Suggestion cannot be applied right now. Please check back later.
Updates the include file requirements to mandate the use of
#pragma onceinstead of traditional include guard macros with special exceptions noted.Corresponding edk2 change: tianocore/edk2#12149