[PATCH 01/13] perf tools: Adjust make rules

[Arnaldo Carvalho de Melo]

From: Jan Beulich <JBeulich@xxxxxxxx>

Add rules to generate pre-processed files (just like are available for
the normal kernel build), and adjust the rule to create assembly files
from C ones to produce its output in the output directory rather than
in the source tree.

E.g.

  $ make -C tools/perf/ O=/tmp/perf /tmp/perf/builtin-top.i
  make: Entering directory `/home/git/linux/tools/perf'
      CC /tmp/perf/builtin-top.i
  make: Leaving directory `/home/git/linux/tools/perf'
  $ wc -l /tmp/perf/builtin-top.i
  31379 /tmp/perf/builtin-top.i
  $

Cc: Paul Mackerras <paulus@xxxxxxxxx>
Cc: Peter Zijlstra <a.p.zijlstra@xxxxxxxxx>
Link: http://lkml.kernel.org/r/4F588A0802000078000770FF@xxxxxxxxxxxxxxxxxxxx
Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>
Signed-off-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
---
 tools/perf/Makefile |    6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/tools/perf/Makefile b/tools/perf/Makefile
index fa04340..bd32855 100644
--- a/tools/perf/Makefile
+++ b/tools/perf/Makefile
@@ -727,10 +727,14 @@ $(OUTPUT)perf.o perf.spec \
 
 $(OUTPUT)%.o: %.c $(OUTPUT)PERF-CFLAGS
 	$(QUIET_CC)$(CC) -o $@ -c $(ALL_CFLAGS) $<
+$(OUTPUT)%.i: %.c $(OUTPUT)PERF-CFLAGS
+	$(QUIET_CC)$(CC) -o $@ -E $(ALL_CFLAGS) $<
 $(OUTPUT)%.s: %.c $(OUTPUT)PERF-CFLAGS
-	$(QUIET_CC)$(CC) -S $(ALL_CFLAGS) $<
+	$(QUIET_CC)$(CC) -o $@ -S $(ALL_CFLAGS) $<
 $(OUTPUT)%.o: %.S
 	$(QUIET_CC)$(CC) -o $@ -c $(ALL_CFLAGS) $<
+$(OUTPUT)%.s: %.S
+	$(QUIET_CC)$(CC) -o $@ -E $(ALL_CFLAGS) $<
 
 $(OUTPUT)util/exec_cmd.o: util/exec_cmd.c $(OUTPUT)PERF-CFLAGS
 	$(QUIET_CC)$(CC) -o $@ -c $(ALL_CFLAGS) \
-- 
1.7.9.2.358.g22243

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