On Wed, Sep 16, 2015 at 08:16:52AM +0200, Jiri Olsa wrote: > On Wed, Sep 16, 2015 at 10:12:45AM +1000, Stephen Rothwell wrote: > > Hi all, > > > > After merging the tip tree, today's linux-next build (perf) failed > > like this: > > > > make[3]: *** No rule to make target 'tools/lib/api/fs/debugfs.h', needed by 'tools/perf/arch/common.o'. Stop. > > tools/build/Makefile.build:109: recipe for target 'arch' failed > > make[4]: *** No rule to make target 'fs/debugfs.h', needed by 'tools/perf/fs/fs.o'. Stop. > > tools/build/Makefile.build:109: recipe for target 'fs' failed > > make[3]: *** No rule to make target 'tools/lib/api/fs/debugfs.h', needed by 'tools/perf/util/abspath.o'. Stop. > > tools/build/Makefile.build:109: recipe for target 'util' failed > > Makefile:32: recipe for target 'tools/perf/libapi-in.o' failed > > Makefile.perf:417: recipe for target 'tools/perf/libapi.a' failed > > Makefile.perf:393: recipe for target 'tools/perf/libperf-in.o' failed > > Makefile:68: recipe for target 'all' failed > > > > Maybe caused by commit > > > > 60a1133a5b39 ("tools lib api fs: Remove debugfs, tracefs and findfs objects") > > > > This is an incremental build i.e. I do not do a "make clean" after doing > > the build for each tree merge (in case that matters). > > it does in this case, removed header files stay in > cmd build dependency file (like in .abspath.o.cmd above) > and cause build error > > build system is not smart enough yet to find out, > I was postponning fixing this for some time now, > I'll try to get this resolved asap > > > > > I have used the tip tree from next-20150915 for today. > > > > Also, building perf seems to ignore O=<dir> on the make invocation. > > Is that expected? > > hum, not sure about this one.. I'm not using it, but we have > tests for this and I thought we're ok.. I'll check seems to work on latest Arnaldo's perf/core, what command line failed for you? [jolsa@krava perf]$ make O=/tmp/krava/ ... [jolsa@krava perf]$ ll /tmp/krava/perf -rwxrwxr-x. 1 jolsa jolsa 12669704 Sep 16 08:36 /tmp/krava/perf jirka -- To unsubscribe from this list: send the line "unsubscribe linux-next" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html