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Use -MM instead of -M in header/include tracking, so avoid potentially
excessive realpath calls in some builds.

@AddyLaddy
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Thanks we'll take a look at integrating that change in future NCCL versions.
Can you give more details of the "excessive realpath calls" issue?

stephenmsachs added a commit that referenced this pull request Aug 29, 2025
Original PR by andrewjcg

Use `-MM` instead of `-M` in header/include tracking, so avoid potentially
excessive `realpath` calls in some builds.

Files modified: src/Makefile, src/device/Makefile

Synced from GitHub PR: #1806
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2 participants