[PATCH] perf tools: Remove auto-generated bison/flex files

[Ingo Molnar]

These should not be in the Git history - they are auto-generated.

Extend the Makefile rules of the parser files to include the generation
run.

Cc: Peter Zijlstra <a.p.zijlstra@xxxxxxxxx>
Cc: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
Link: http://lkml.kernel.org/n/tip-h6jnlwdy7by4v7yljrvzbii0@xxxxxxxxxxxxxx
Signed-off-by: Ingo Molnar <mingo@xxxxxxx>
---
 tools/perf/Makefile                  |   25 +-
 tools/perf/util/parse-events-bison.c | 1917 ----------------------------
 tools/perf/util/parse-events-bison.h |   81 --
 tools/perf/util/parse-events-flex.c  | 2272 ----------------------------------
 tools/perf/util/parse-events-flex.h  |  316 -----
 tools/perf/util/pmu-bison.c          | 1663 -------------------------
 tools/perf/util/pmu-bison.h          |   73 --
 tools/perf/util/pmu-flex.c           | 1821 ---------------------------
 tools/perf/util/pmu-flex.h           |  316 -----
 9 files changed, 15 insertions(+), 8469 deletions(-)

diff --git a/tools/perf/Makefile b/tools/perf/Makefile
index 2f42886..a9dfd1f 100644
--- a/tools/perf/Makefile
+++ b/tools/perf/Makefile
@@ -61,8 +61,6 @@ ARCH ?= $(shell echo $(uname_M) | sed -e s/i.86/i386/ -e s/sun4u/sparc64/ \
 
 CC = $(CROSS_COMPILE)gcc
 AR = $(CROSS_COMPILE)ar
-FLEX = $(CROSS_COMPILE)flex
-BISON= $(CROSS_COMPILE)bison
 
 # Additional ARCH settings for x86
 ifeq ($(ARCH),i386)
@@ -236,6 +234,21 @@ endif
 
 export PERL_PATH
 
+FLEX = $(CROSS_COMPILE)flex
+BISON= $(CROSS_COMPILE)bison
+
+event-parser:
+	$(QUIET_BISON)$(BISON) -v util/parse-events.y -d -o util/parse-events-bison.c
+	$(QUIET_FLEX)$(FLEX) --header-file=util/parse-events-flex.h -t util/parse-events.l > util/parse-events-flex.c
+
+util/parse-events-flex.c: event-parser
+
+pmu-parser:
+	$(QUIET_BISON)$(BISON) -v util/pmu.y -d -o util/pmu-bison.c
+	$(QUIET_FLEX)$(FLEX) --header-file=util/pmu-flex.h -t util/pmu.l > util/pmu-flex.c
+
+util/pmu-flex.c: pmu-parser
+
 LIB_FILE=$(OUTPUT)libperf.a
 
 LIB_H += ../../include/linux/perf_event.h
@@ -883,14 +896,6 @@ cscope:
 	$(RM) cscope*
 	$(FIND) . -name '*.[hcS]' -print | xargs cscope -b
 
-event-parser:
-	$(QUIET_BISON)$(BISON) -v util/parse-events.y -d -o util/parse-events-bison.c
-	$(QUIET_FLEX)$(FLEX) --header-file=util/parse-events-flex.h -t util/parse-events.l > util/parse-events-flex.c
-
-pmu-parser:
-	$(QUIET_BISON)$(BISON) -v util/pmu.y -d -o util/pmu-bison.c
-	$(QUIET_FLEX)$(FLEX) --header-file=util/pmu-flex.h -t util/pmu.l > util/pmu-flex.c
-
 ### Detect prefix changes
 TRACK_CFLAGS = $(subst ','\'',$(ALL_CFLAGS)):\
              $(bindir_SQ):$(perfexecdir_SQ):$(template_dir_SQ):$(prefix_SQ)
[...]
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