On Wed, Oct 28, 2015 at 05:37:52PM -0300, Arnaldo Carvalho de Melo wrote: > Em Wed, Oct 28, 2015 at 09:13:52PM +0100, Jiri Olsa escreveu: > > On Wed, Oct 28, 2015 at 01:30:40PM -0300, Arnaldo Carvalho de Melo wrote: > > > Hi Jiri, Wang, > > > > > > I'm getting these while doing 'make -C tools/perf build-test': > > > > > > LD fixdep-in.o > > > LINK fixdep > > > /bin/sh: /home/acme/git/linux/tools/build/fixdep: Permission denied > > > make[6]: *** [bpf.o] Error 1 > > > make[5]: *** [libbpf-in.o] Error 2 > > > make[4]: *** [/home/acme/git/linux/tools/lib/bpf/libbpf.a] Error 2 > > > make[4]: *** Waiting for unfinished jobs.... > > > > > > > > > It happens at different tests, i.e. seems like a race somewhere in the > > > build system, can you take a look? It happens with my perf/ebpf branch. > > > > could not reproduce, but looks like attached patch should help > > I'll test this now, i.e. make it go thru a 'make -C tools/perf > build-test'. > > In the interest of speeding up things, please provide an explanation of > why this should be applied, so that I can add it to the changeset log. > > Thanks a bunch! >
The fixdep tool needs to be built as the first binary. Libraries are built in paralel, so each of them needs to depend on fixdep target. jirka > > jirka > > > > > > --- > > diff --git a/tools/perf/Makefile.perf b/tools/perf/Makefile.perf > > index 1e2e2d1d26b7..0d19d5447d6c 100644 > > --- a/tools/perf/Makefile.perf > > +++ b/tools/perf/Makefile.perf > > @@ -430,7 +430,7 @@ $(LIBAPI)-clean: > > $(call QUIET_CLEAN, libapi) > > $(Q)$(MAKE) -C $(LIB_DIR) O=$(OUTPUT) clean >/dev/null > > > > -$(LIBBPF): FORCE > > +$(LIBBPF): fixdep FORCE > > $(Q)$(MAKE) -C $(BPF_DIR) O=$(OUTPUT) $(OUTPUT)libbpf.a > > > > $(LIBBPF)-clean: -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/