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Message-Id: <1420212972-21595-26-git-send-email-jolsa@kernel.org>
Date: Fri, 2 Jan 2015 16:36:07 +0100
From: Jiri Olsa <jolsa@...nel.org>
To: linux-kernel@...r.kernel.org
Cc: Jiri Olsa <jolsa@...nel.org>,
Alexis Berlemont <alexis.berlemont@...il.com>,
Arnaldo Carvalho de Melo <acme@...hat.com>,
Borislav Petkov <bp@...en8.de>,
Corey Ashford <cjashfor@...ux.vnet.ibm.com>,
David Ahern <dsahern@...il.com>,
Frederic Weisbecker <fweisbec@...il.com>,
Ingo Molnar <mingo@...nel.org>,
Namhyung Kim <namhyung@...nel.org>,
Paul Mackerras <paulus@...ba.org>,
Peter Zijlstra <peterz@...radead.org>,
Stephane Eranian <eranian@...gle.com>
Subject: [PATCH 25/30] perf build: Add single target build framework support
Add support to build single targets, like:
$ make util/map.o # objects
$ make util/map.i # preprocessor
$ make util/map.s # assembly
Signed-off-by: Jiri Olsa <jolsa@...nel.org>
Cc: Alexis Berlemont <alexis.berlemont@...il.com>
Cc: Arnaldo Carvalho de Melo <acme@...hat.com>
Cc: Borislav Petkov <bp@...en8.de>
Cc: Corey Ashford <cjashfor@...ux.vnet.ibm.com>
Cc: David Ahern <dsahern@...il.com>
Cc: Frederic Weisbecker <fweisbec@...il.com>
Cc: Ingo Molnar <mingo@...nel.org>
Cc: Namhyung Kim <namhyung@...nel.org>
Cc: Paul Mackerras <paulus@...ba.org>
Cc: Peter Zijlstra <peterz@...radead.org>
Cc: Stephane Eranian <eranian@...gle.com>
---
tools/perf/Makefile.build | 20 +++++++++++++++++++-
tools/perf/Makefile.perf | 39 ++++++++++++++++++++++++++++-----------
tools/perf/util/Build | 7 +++++++
3 files changed, 54 insertions(+), 12 deletions(-)
diff --git a/tools/perf/Makefile.build b/tools/perf/Makefile.build
index e5d4e4fe5077..54dc27e0acac 100644
--- a/tools/perf/Makefile.build
+++ b/tools/perf/Makefile.build
@@ -41,6 +41,12 @@ quiet_cmd_mkdir = MKDIR $(dir $@)
quiet_cmd_cc_o_c = CC $@
cmd_cc_o_c = $(CC) $(c_flags) -c -o $@ $<
+quiet_cmd_cc_i_c = CPP $@
+ cmd_cc_i_c = $(CC) $(c_flags) -E -o $@ $<
+
+quiet_cmd_cc_s_c = AS $@
+ cmd_cc_s_c = $(CC) $(c_flags) -S -o $@ $<
+
# Link agregate command
quiet_cmd_ld_multi = LD $@
cmd_ld_multi = $(LD) -r -o $@ $^
@@ -54,6 +60,18 @@ $(OUTPUT)%.o: %.S FORCE
$(call cmd_mkdir)
$(call if_changed_dep,cc_o_c)
+$(OUTPUT)%.i: %.c FORCE
+ $(call cmd_mkdir)
+ $(call if_changed_dep,cc_i_c)
+
+$(OUTPUT)%.i: %.S FORCE
+ $(call cmd_mkdir)
+ $(call if_changed_dep,cc_i_c)
+
+$(OUTPUT)%.s: %.c FORCE
+ $(call cmd_mkdir)
+ $(call if_changed_dep,cc_s_c)
+
# Gather build data:
# obj-y - list of build objects
# subdir-y - list of directories to nest
@@ -91,7 +109,7 @@ FORCE:
# Include all cmd files to get all the dependency rules
# for all objects included
-targets := $(wildcard $(sort $(obj-y)))
+targets := $(wildcard $(sort $(obj-y) $(MAKECMDGOALS)))
cmd_files := $(wildcard $(foreach f,$(targets),$(dir $(f)).$(notdir $(f)).cmd))
ifneq ($(cmd_files),)
diff --git a/tools/perf/Makefile.perf b/tools/perf/Makefile.perf
index 1393f34a01c2..a6bfadb32217 100644
--- a/tools/perf/Makefile.perf
+++ b/tools/perf/Makefile.perf
@@ -422,16 +422,33 @@ endif
# These two need to be here so that when O= is not used they take precedence
# over the general rule for .o
-$(OUTPUT)%.o: %.c $(OUTPUT)PERF-CFLAGS
- $(QUIET_CC)$(CC) -o $@ -c $(CFLAGS) $<
-$(OUTPUT)%.i: %.c $(OUTPUT)PERF-CFLAGS
- $(QUIET_CC)$(CC) -o $@ -E $(CFLAGS) $<
-$(OUTPUT)%.s: %.c $(OUTPUT)PERF-CFLAGS
- $(QUIET_CC)$(CC) -o $@ -S $(CFLAGS) $<
-$(OUTPUT)%.o: %.S
- $(QUIET_CC)$(CC) -o $@ -c $(CFLAGS) $<
-$(OUTPUT)%.s: %.S
- $(QUIET_CC)$(CC) -o $@ -E $(CFLAGS) $<
+# get relative building directory (to $(OUTPUT))
+# and '.' if it's $(OUTPUT) itself
+__build-dir = $(subst $(OUTPUT),,$(dir $@))
+build-dir = $(if $(__build-dir),$(__build-dir),.)
+
+single_dep: $(OUTPUT)PERF-VERSION-FILE $(OUTPUT)common-cmds.h
+
+$(OUTPUT)%.o: %.c single_dep FORCE
+ @$(MAKE) -f Makefile.build dir=$(build-dir) $@
+
+$(OUTPUT)%.i: %.c single_dep FORCE
+ @$(MAKE) -f Makefile.build dir=$(build-dir) $@
+
+$(OUTPUT)%.s: %.c single_dep FORCE
+ @$(MAKE) -f Makefile.build dir=$(build-dir) $@
+
+$(OUTPUT)%-bison.o: %.c single_dep FORCE
+ @$(MAKE) -f Makefile.build dir=$(build-dir) $@
+
+$(OUTPUT)%-flex.o: %.c single_dep FORCE
+ @$(MAKE) -f Makefile.build dir=$(build-dir) $@
+
+$(OUTPUT)%.o: %.S single_dep FORCE
+ @$(MAKE) -f Makefile.build dir=$(build-dir) $@
+
+$(OUTPUT)%.i: %.S single_dep FORCE
+ @$(MAKE) -f Makefile.build dir=$(build-dir) $@
$(OUTPUT)perf-%: %.o $(PERFLIBS)
$(QUIET_LINK)$(CC) $(CFLAGS) -o $@ $(LDFLAGS) $(filter %.o,$^) $(LIBS)
@@ -676,5 +693,5 @@ 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
+.PHONY: $(GIT-HEAD-PHONY) TAGS tags cscope .FORCE-PERF-CFLAGS FORCE single_dep
diff --git a/tools/perf/util/Build b/tools/perf/util/Build
index 0583ac820f28..9293f2de6050 100644
--- a/tools/perf/util/Build
+++ b/tools/perf/util/Build
@@ -97,15 +97,19 @@ CFLAGS_config.o += -DETC_PERFCONFIG="BUILD_STR($(ETC_PERFCONFIG_SQ))"
CFLAGS_exec_cmd.o += -DPERF_EXEC_PATH="BUILD_STR($(perfexecdir_SQ))" -DPREFIX="BUILD_STR($(prefix_SQ))"
$(OUTPUT)util/parse-events-flex.c: util/parse-events.l $(OUTPUT)util/parse-events-bison.c
+ $(call cmd_mkdir)
@$(call echo-cmd,bison)$(FLEX) -o $@ --header-file=$(OUTPUT)util/parse-events-flex.h $(PARSER_DEBUG_FLEX) util/parse-events.l
$(OUTPUT)util/parse-events-bison.c: util/parse-events.y
+ $(call cmd_mkdir)
@$(call echo-cmd,bison)$(BISON) -v util/parse-events.y -d $(PARSER_DEBUG_BISON) -o $(OUTPUT)util/parse-events-bison.c -p parse_events_
$(OUTPUT)util/pmu-flex.c: util/pmu.l $(OUTPUT)util/pmu-bison.c
+ $(call cmd_mkdir)
@$(call echo-cmd,flex)$(FLEX) -o $@ --header-file=$(OUTPUT)util/pmu-flex.h util/pmu.l
$(OUTPUT)util/pmu-bison.c: util/pmu.y
+ $(call cmd_mkdir)
@$(call echo-cmd,bison)$(BISON) -v util/pmu.y -d -o $(OUTPUT)util/pmu-bison.c -p perf_pmu_
CFLAGS_parse-events-flex.o += -w
@@ -121,10 +125,13 @@ CFLAGS_rbtree.o += -Wno-unused-parameter -DETC_PERFCONFIG="BUILD_STR($(ET
CFLAGS_parse-events.o += -Wno-redundant-decls
$(OUTPUT)util/kallsyms.o: ../lib/symbol/kallsyms.c FORCE
+ $(call cmd_mkdir)
$(call if_changed_dep,cc_o_c)
$(OUTPUT)util/find_next_bit.o: ../lib/util/find_next_bit.c FORCE
+ $(call cmd_mkdir)
$(call if_changed_dep,cc_o_c)
$(OUTPUT)util/rbtree.o: ../../lib/rbtree.c FORCE
+ $(call cmd_mkdir)
$(call if_changed_dep,cc_o_c)
--
1.9.3
--
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