Re: tools/build: fixdep versus tools/lib/bpf
From: Jiri Olsa
Date: Wed Oct 28 2015 - 16:14:04 EST
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
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:
--
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