On 01/09/15 08:56, Wang Nan wrote:
> I hit following building error randomly:

Random presumably because there is a race to use/create the directory by
different make jobs (i.e. -j option).

> 
>   ...
> /bin/sh: /path/to/kernel/buildperf/util/intel-pt-decoder/inat-tables.c: No 
> such file or directory
>   ...
>   LINK     /path/to/kernel/buildperf/plugin_mac80211.so
>   LINK     /path/to/kernel/buildperf/plugin_kmem.so
>   LINK     /path/to/kernel/buildperf/plugin_xen.so
>   LINK     /path/to/kernel/buildperf/plugin_hrtimer.so
> In file included from util/intel-pt-decoder/intel-pt-insn-decoder.c:25:0:
> util/intel-pt-decoder/inat.c:24:25: fatal error: inat-tables.c: No such file 
> or directory
>  #include "inat-tables.c"
>                          ^
> compilation terminated.
> make[4]: *** 
> [/path/to/kernel/buildperf/util/intel-pt-decoder/intel-pt-insn-decoder.o] 
> Error 1
> make[4]: *** Waiting for unfinished jobs....
>   LINK     /path/to/kernel/buildperf/plugin_function.so
> 
> This is caused by tools/perf/util/intel-pt-decoder/Build that, it tries to
> generate $(OUTPUT)util/intel-pt-decoder/inat-tables.c atomatically but
> forget to ensure the existance of $(OUTPUT)util/intel-pt-decoder directory.
> 
> This patch fixes it by adding $(call rule_mkdir) like other similar rules.
> 
> Signed-off-by: Wang Nan <wangn...@huawei.com>
> Cc: Arnaldo Carvalho de Melo <a...@redhat.com>
> Cc: Adrian Hunter <adrian.hun...@intel.com>

Looks ok to me. Jiri?

> ---
>  tools/perf/util/intel-pt-decoder/Build | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/tools/perf/util/intel-pt-decoder/Build 
> b/tools/perf/util/intel-pt-decoder/Build
> index 240730d..2386322 100644
> --- a/tools/perf/util/intel-pt-decoder/Build
> +++ b/tools/perf/util/intel-pt-decoder/Build
> @@ -4,6 +4,7 @@ inat_tables_script = 
> util/intel-pt-decoder/gen-insn-attr-x86.awk
>  inat_tables_maps = util/intel-pt-decoder/x86-opcode-map.txt
>  
>  $(OUTPUT)util/intel-pt-decoder/inat-tables.c: $(inat_tables_script) 
> $(inat_tables_maps)
> +     $(call rule_mkdir)
>       @$(call echo-cmd,gen)$(AWK) -f $(inat_tables_script) 
> $(inat_tables_maps) > $@ || rm -f $@
>  
>  $(OUTPUT)util/intel-pt-decoder/intel-pt-insn-decoder.o: 
> util/intel-pt-decoder/inat.c $(OUTPUT)util/intel-pt-decoder/inat-tables.c
> 

--
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/

Reply via email to