total: 0 errors, 0 warnings, 0 checks, 12 lines checked

Commit 6c91322836dd ("bpftool: Prevent setting duplicate _GNU_SOURCE in Makefile") has no obvious style problems and is ready for submission.

NOTE: Ignored message types: ALLOC_SIZEOF_STRUCT BAD_REPORTED_BY_LINK CAMELCASE COMMIT_LOG_LONG_LINE GIT_COMMIT_ID MACRO_ARG_REUSE NO_AUTHOR_SIGN_OFF
total: 0 errors, 0 warnings, 0 checks, 12 lines checked