On Mon, Dec 12, 2022 at 12:31 PM Nicolas Schier <nicolas@xxxxxxxxx> wrote: > > On Thu, Dec 01, 2022 at 08:57:38PM -0800 Ian Rogers wrote: > > Switching to using install_headers caused incremental builds to always > > rebuild most targets. This was caused by the headers always being > > reinstalled and then getting new timestamps causing dependencies to be > > rebuilt. Follow the convention in libbpf where the install targets are > > separated and trigger when the target isn't present or is out-of-date. > > > > Further, fix an issue in the perf build with libpython where > > python/perf.so was also regenerated as the target name was incorrect. > > > > Ian Rogers (5): > > tools lib api: Add dependency test to install_headers > > tools lib perf: Add dependency test to install_headers > > tools lib subcmd: Add dependency test to install_headers > > tools lib symbol: Add dependency test to install_headers > > perf build: Fix python/perf.so library's name > > > > tools/lib/api/Makefile | 38 ++++++++++++++++++++++----------- > > tools/lib/perf/Makefile | 43 +++++++++++++++++++------------------- > > tools/lib/subcmd/Makefile | 23 +++++++++++--------- > > tools/lib/symbol/Makefile | 21 ++++++++++++------- > > tools/perf/Makefile.config | 4 +++- > > tools/perf/Makefile.perf | 2 +- > > 6 files changed, 79 insertions(+), 52 deletions(-) > > > > -- > > 2.39.0.rc0.267.gcb52ba06e7-goog > > Hi Ian, > > which tree is your patch set based on? At least it doesn't apply on the > current kbuild trees. > > Kind regards, > Nicolas Hi Nicolas, for the perf tool the branch to follow is Arnaldo's perf/core one: https://git.kernel.org/pub/scm/linux/kernel/git/acme/linux.git/?h=perf%2Fcore I may have done this work on Arnaldo's tmp.perf/core branch, which is used for work-in-progress merges. Thanks, Ian > -- > epost|xmpp: nicolas@xxxxxxxxx irc://oftc.net/nsc > ↳ gpg: 18ed 52db e34f 860e e9fb c82b 7d97 0932 55a0 ce7f > -- frykten for herren er opphav til kunnskap --