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| author | Jiri Olsa <jolsa@kernel.org> | 2014-12-30 18:44:38 +0100 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2015-02-12 13:22:41 -0300 |
| commit | 1999307b469bdfda97baa78c7f4ecf3800fdbacd (patch) | |
| tree | cbcb1a7e0bee031df45442a3e4009d4314fa97d2 /tools/build | |
| parent | 6d8e62c302bb9285e8882116fc317916ece5d0ab (diff) | |
| download | linux-1999307b469bdfda97baa78c7f4ecf3800fdbacd.tar.bz2 | |
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@kernel.org>
Tested-by: Sukadev Bhattiprolu <sukadev@linux.vnet.ibm.com>
Tested-by: Will Deacon <will.deacon@arm.com>
Cc: Alexis Berlemont <alexis.berlemont@gmail.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: Namhyung Kim <namhyung@kernel.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/n/tip-tt10y0dmweq6rjaod937rpb4@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/build')
| -rw-r--r-- | tools/build/Makefile.build | 20 |
1 files changed, 19 insertions, 1 deletions
diff --git a/tools/build/Makefile.build b/tools/build/Makefile.build index aced86d2bbf8..b5ded207f49b 100644 --- a/tools/build/Makefile.build +++ b/tools/build/Makefile.build @@ -49,6 +49,12 @@ 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 # If there's nothing to link, create empty $@ object. quiet_cmd_ld_multi = LD $@ @@ -64,6 +70,18 @@ $(OUTPUT)%.o: %.S FORCE $(call rule_mkdir) $(call if_changed_dep,cc_o_c) +$(OUTPUT)%.i: %.c FORCE + $(call rule_mkdir) + $(call if_changed_dep,cc_i_c) + +$(OUTPUT)%.i: %.S FORCE + $(call rule_mkdir) + $(call if_changed_dep,cc_i_c) + +$(OUTPUT)%.s: %.c FORCE + $(call rule_mkdir) + $(call if_changed_dep,cc_s_c) + # Gather build data: # obj-y - list of build objects # subdir-y - list of directories to nest @@ -100,7 +118,7 @@ FORCE: # Include all cmd files to get all the dependency rules # for all objects included -targets := $(wildcard $(sort $(obj-y) $(in-target))) +targets := $(wildcard $(sort $(obj-y) $(in-target) $(MAKECMDGOALS))) cmd_files := $(wildcard $(foreach f,$(targets),$(dir $(f)).$(notdir $(f)).cmd)) ifneq ($(cmd_files),) |