fix(cmake): LTO warning of gcc >= 11.4#5791
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henryiii merged 1 commit intopybind:masterfrom Aug 12, 2025
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lto-wrapper: warning: using serial compilation of n LTRANS jobs https://stackoverflow.com/questions/72218980/gcc-v12-1-warning-about-serial-compilation
henryiii
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If you set that (via CMAKE_INTERPROCEDURAL_OPTIMIZATION), it is used. We support thin vs. regular LTO, so that's why both methods are still supported (ours and CMake's). |
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Thanks for the clarification! |
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Description
gcc >= 11.4 issues the following warning with
-flto:lto-wrapper: warning: using serial compilation of n LTRANS jobsAccording to this stackoverflow issue, we need to use
-flto=auto.Suggested changelog entry: