[PATCH 28/30] perf make: Remove PERF-CFLAGS file

Jiri Olsa
2015-01-02T15:39:38Z

Removing PERF-CFLAGS file, because the build framework
stores full build command line for each object and
triggers rebuilt if necessary.

Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Cc: Alexis Berlemont <alexis.berlemont@gmail.com>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
---
tools/perf/Makefile.perf | 17 +++--------------
1 file changed, 3 insertions(+), 14 deletions(-)

diff --git a/tools/perf/Makefile.perf b/tools/perf/Makefile.perf
index 371701fd68cd..45d30b8f947e 100644
--- a/tools/perf/Makefile.perf
+++ b/tools/perf/Makefile.perf
@@ -368,7 +368,7 @@ LIBTRACEEVENT_FLAGS = $(QUIET_SUBDIR1) O=$(OUTPUT)
LIBTRACEEVENT_FLAGS += CFLAGS="-g -Wall $(EXTRA_CFLAGS)"
LIBTRACEEVENT_FLAGS += plugin_dir=$(plugindir_SQ)

-$(LIBTRACEEVENT): $(TE_SOURCES) $(OUTPUT)PERF-CFLAGS
+$(LIBTRACEEVENT): $(TE_SOURCES)
$(QUIET_SUBDIR0)$(TRACE_EVENT_DIR) $(LIBTRACEEVENT_FLAGS) libtraceevent.a plugins

$(LIBTRACEEVENT)-clean:
@@ -447,17 +447,6 @@ cscope:
$(QUIET_GEN)$(RM) cscope*; \
$(FIND) $(TAG_FOLDERS) -name '*.[hcS]' -print | xargs cscope -b $(TAG_FILES)

-### Detect prefix changes
-TRACK_CFLAGS = $(subst ','\'',$(CFLAGS)):\
- $(bindir_SQ):$(perfexecdir_SQ):$(template_dir_SQ):$(prefix_SQ):$(plugindir_SQ)
-
-$(OUTPUT)PERF-CFLAGS: .FORCE-PERF-CFLAGS
- @FLAGS='$(TRACK_CFLAGS)'; \
- if test x"$$FLAGS" != x"`cat $(OUTPUT)PERF-CFLAGS 2>/dev/null`" ; then \
- echo 1>&2 " FLAGS: * new build flags or prefix"; \
- echo "$$FLAGS" >$(OUTPUT)PERF-CFLAGS; \
- fi
-
### Testing rules

# GNU make supports exporting all variables by "export" without parameters.
@@ -547,7 +536,7 @@ clean: $(LIBTRACEEVENT)-clean $(LIBAPIKFS)-clean config-clean
@find $(if $(OUTPUT),$(OUTPUT),.) -name \*.o | xargs $(RM)
@$(RM) .config-detected
$(call QUIET_CLEAN, core-progs) $(RM) $(ALL_PROGRAMS) perf perf-read-vdso32 perf-read-vdsox32
- $(call QUIET_CLEAN, core-gen) $(RM) *.spec *.pyc *.pyo */*.pyc */*.pyo $(OUTPUT)common-cmds.h TAGS tags cscope* $(OUTPUT)PERF-VERSION-FILE $(OUTPUT)PERF-CFLAGS $(OUTPUT)PERF-FEATURES $(OUTPUT)util/*-bison* $(OUTPUT)util/*-flex*
+ $(call QUIET_CLEAN, core-gen) $(RM) *.spec *.pyc *.pyo */*.pyc */*.pyo $(OUTPUT)common-cmds.h TAGS tags cscope* $(OUTPUT)PERF-VERSION-FILE $(OUTPUT)PERF-FEATURES $(OUTPUT)util/*-bison* $(OUTPUT)util/*-flex*
$(QUIET_SUBDIR0)Documentation $(QUIET_SUBDIR1) clean
$(python-clean)

@@ -565,5 +554,5 @@ FORCE:

.PHONY: all install clean config-clean strip install-gtk
.PHONY: shell_compatibility_test please_set_SHELL_PATH_to_a_more_modern_shell
-.PHONY: $(GIT-HEAD-PHONY) TAGS tags cscope .FORCE-PERF-CFLAGS FORCE single_dep
+.PHONY: $(GIT-HEAD-PHONY) TAGS tags cscope FORCE single_dep

--
1.9.3