Messages in this thread | | | Date | Fri, 2 Dec 2016 13:10:56 -0200 | From | Arnaldo Carvalho de Melo <> | Subject | Re: [PATCHv3] tools build: Make fixdep parsing wait for last target |
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Em Fri, Dec 02, 2016 at 10:15:39AM +0100, Jiri Olsa escreveu: > On Thu, Dec 01, 2016 at 04:53:23PM -0200, Arnaldo Carvalho de Melo wrote: > > Em Thu, Dec 01, 2016 at 09:48:40AM -0800, Peter Foley escreveu: > > > On Thu, Dec 1, 2016 at 5:00 AM, Jiri Olsa <jolsa@redhat.com> wrote: > > > > ok, so v3 actually ;-)
> > > > the v2 was tricky for the case when fixdep is not available, > > > > so I decided to go with Peter's fix and fixing 'fixdep' tool > > > > to properly parse out the target in case we hit the ccache > > > > error.. we need to be able to do it anyway
> > > > please apply this patch before Peter's so we keep clean bisect
> > Doesn't work with ccache installed, but then after reinstalling ccache to check > > its version, I can't reproduce it anymore, go figure :-\ > > > > Can you guys please take a look at tmp.perf/fixdep in my tree and check that > > the last two patches are the ones that should go upstream and that you are able > > to build it _with_ ccache installed?
> yep, works for me
So I saw it again, while processing Wang's eBPF/llvm patchkit, right after removing the build dir and starting from scratch, doing that process one more time made it work, so it looks like a race, and look it is in a HOSTCC bit, related?
[acme@jouet linux]$ rm -rf /tmp/build/perf/ ; mkdir -p /tmp/build/perf ; make -k O=/tmp/build/perf -C tools/perf install-bin make: Entering directory '/home/acme/git/linux/tools/perf' BUILD: Doing 'make -j4' parallel build
Auto-detecting system features: ... dwarf: [ on ] ... dwarf_getlocations: [ on ] ... glibc: [ on ] ... gtk2: [ on ] ... libaudit: [ on ] ... libbfd: [ on ] ... libelf: [ on ] ... libnuma: [ on ] ... numa_num_possible_cpus: [ on ] ... libperl: [ on ] ... libpython: [ on ] ... libslang: [ on ] ... libcrypto: [ on ] ... libunwind: [ on ] ... libdw-dwarf-unwind: [ on ] ... zlib: [ on ] ... lzma: [ on ] ... get_cpuid: [ on ] ... bpf: [ on ]
GEN /tmp/build/perf/common-cmds.h HOSTCC /tmp/build/perf/fixdep.o HOSTLD /tmp/build/perf/fixdep-in.o LINK /tmp/build/perf/fixdep MKDIR /tmp/build/perf/pmu-events/ HOSTCC /tmp/build/perf/pmu-events/json.o /bin/sh: /tmp/build/perf//fixdep: Permission denied /home/acme/git/linux/tools/build/Makefile.build:91: recipe for target '/tmp/build/perf/pmu-events/json.o' failed make[2]: *** [/tmp/build/perf/pmu-events/json.o] Error 1 Makefile.perf:469: recipe for target '/tmp/build/perf/pmu-events/jevents-in.o' failed make[1]: *** [/tmp/build/perf/pmu-events/jevents-in.o] Error 2 make[1]: *** Waiting for unfinished jobs.... PERF_VERSION = 4.9.rc6.g165081a make[1]: *** wait: No child processes. Stop. Makefile:108: recipe for target 'install-bin' failed make: *** [install-bin] Error 2 make: Leaving directory '/home/acme/git/linux/tools/perf'
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