My setup includes Linux kernel repository and Buildroot. I build Linux kernel with make O=<Linux O=...> and then when I try to build perf by running
make -j1 V=1 JOBS=1 \ -C <Linux O=...> \ CROSS_COMPILE=".../i586-buildroot-linux-uclibc-" \ DESTDIR="..." tools/perf_install where <Linux O=...> is a patch to output folder of built Linux kernel, I got wrong path in perf during build, so, instead of tools/perf it becomes tools/perf/tools/perf. Note, it fulfills my purposes with minimal features supported, that's why not every library got "fixed". Below is the patch which helped me to achieve above. I'm pretty sure it's not the best solution. Anyway, would like to hear any ideas how to do this better. diff --git a/tools/perf/Makefile.perf b/tools/perf/Makefile.perf index 4d46ca6d7e20..c56d4c0fd29b 100644 --- a/tools/perf/Makefile.perf +++ b/tools/perf/Makefile.perf @@ -698,23 +698,24 @@ $(LIBPERF_A): $(LIBPERF_IN) LIBTRACEEVENT_FLAGS += plugin_dir=$(plugindir_SQ) 'EXTRA_CFLAGS=$(EXTRA_CFLAGS)' 'LDFLAGS=$(LDFLAGS)' $(LIBTRACEEVENT): FORCE - $(Q)$(MAKE) -C $(TRACE_EVENT_DIR) $(LIBTRACEEVENT_FLAGS) O=$(OUTPUT) $(OUTPUT)libtraceevent.a + $(Q)$(MAKE) -C $(TRACE_EVENT_DIR) $(LIBTRACEEVENT_FLAGS) O=$(OUTPUT) subdir= $(OUTPUT)libtraceevent.a libtraceevent_plugins: FORCE - $(Q)$(MAKE) -C $(TRACE_EVENT_DIR) $(LIBTRACEEVENT_FLAGS) O=$(OUTPUT) plugins + $(Q)$(MAKE) -C $(TRACE_EVENT_DIR) $(LIBTRACEEVENT_FLAGS) O=$(OUTPUT) subdir= plugins $(LIBTRACEEVENT_DYNAMIC_LIST): libtraceevent_plugins - $(Q)$(MAKE) -C $(TRACE_EVENT_DIR) $(LIBTRACEEVENT_FLAGS) O=$(OUTPUT) $(OUTPUT)libtraceevent-dynamic-list + $(Q)$(MAKE) -C $(TRACE_EVENT_DIR) $(LIBTRACEEVENT_FLAGS) O=$(OUTPUT) subdir= $(OUTPUT)libtraceevent-dynamic-list $(LIBTRACEEVENT)-clean: $(call QUIET_CLEAN, libtraceevent) $(Q)$(MAKE) -C $(TRACE_EVENT_DIR) O=$(OUTPUT) clean >/dev/null install-traceevent-plugins: libtraceevent_plugins - $(Q)$(MAKE) -C $(TRACE_EVENT_DIR) $(LIBTRACEEVENT_FLAGS) O=$(OUTPUT) install_plugins + $(Q)$(MAKE) -C $(TRACE_EVENT_DIR) $(LIBTRACEEVENT_FLAGS) O=$(OUTPUT) subdir= install_plugins $(LIBAPI): FORCE - $(Q)$(MAKE) -C $(LIB_DIR) O=$(OUTPUT) $(OUTPUT)libapi.a + $(Q)$(MAKE) -C $(LIB_DIR) O=$(OUTPUT) subdir= $(OUTPUT)libapi.a + mkdir -p $(API_PATH) && cp $(OUTPUT)libapi.a $(LIBAPI) $(LIBAPI)-clean: $(call QUIET_CLEAN, libapi) @@ -728,7 +729,7 @@ $(LIBBPF)-clean: $(Q)$(MAKE) -C $(BPF_DIR) O=$(OUTPUT) clean >/dev/null $(LIBSUBCMD): FORCE - $(Q)$(MAKE) -C $(SUBCMD_DIR) O=$(OUTPUT) $(OUTPUT)libsubcmd.a + $(Q)$(MAKE) -C $(SUBCMD_DIR) O=$(OUTPUT) subdir= $(OUTPUT)libsubcmd.a $(LIBSUBCMD)-clean: $(call QUIET_CLEAN, libsubcmd) -- 2.20.1