https://github.com/python/cpython/commit/556fb3675c87ed1132caa5ccec94fc3f8778b1d7 commit: 556fb3675c87ed1132caa5ccec94fc3f8778b1d7 branch: 3.12 author: Miss Islington (bot) <[email protected]> committer: erlend-aasland <[email protected]> date: 2024-04-15T21:24:35Z summary:
[3.12] gh-117804: Document how to suppress PGO unprofiled source warnings (GH-117859) (#117912) (cherry picked from commit 757891ee8ad61a864444c1fdb764d81bc8a11189) Co-authored-by: Erlend E. Aasland <[email protected]> files: M Doc/using/configure.rst diff --git a/Doc/using/configure.rst b/Doc/using/configure.rst index 45263a3ee1753c..0e605b38d421d6 100644 --- a/Doc/using/configure.rst +++ b/Doc/using/configure.rst @@ -302,6 +302,15 @@ also be used to improve performance. GCC is used: add ``-fno-semantic-interposition`` to the compiler and linker flags. + .. note:: + + During the build, you may encounter compiler warnings about + profile data not being available for some source files. + These warnings are harmless, as only a subset of the code is exercised + during profile data acquisition. + To disable these warnings on Clang, manually suppress them by adding + ``-Wno-profile-instr-unprofiled`` to :envvar:`CFLAGS`. + .. versionadded:: 3.6 .. versionchanged:: 3.10 _______________________________________________ Python-checkins mailing list -- [email protected] To unsubscribe send an email to [email protected] https://mail.python.org/mailman3/lists/python-checkins.python.org/ Member address: [email protected]
