[PATCH 0/6] perf, tools: Fixes and documentation updates

With the OUTPUT variable set the libtraceevent.a file is wrongly built
in the source directory:

+ make -d OUTPUT=/.../.build/perf-user/ DESTDIR=/.../.install/perf-user/
...
Considering target file `../lib/traceevent//libtraceevent.a'.
File `../lib/traceevent//libtraceevent.a' does not exist.
Finished prerequisites of target file `../lib/traceevent//libtraceevent.a'.
Must remake target `../lib/traceevent//libtraceevent.a'.
Invoking recipe from Makefile:837 to update target `../lib/traceevent//libtraceevent.a'.
Putting child 0x703850 (../lib/traceevent//libtraceevent.a) PID 8365 on the chain.
Live child 0x703850 (../lib/traceevent//libtraceevent.a) PID 8365
SUBDIR ../lib/traceevent/

$ git clean -nxd
Would remove tools/lib/traceevent/.event-parse.d
Would remove tools/lib/traceevent/.parse-filter.d
Would remove tools/lib/traceevent/.parse-utils.d
Would remove tools/lib/traceevent/.trace-seq.d
Would remove tools/lib/traceevent/event-parse.o
Would remove tools/lib/traceevent/libtraceevent.a
Would remove tools/lib/traceevent/parse-filter.o
Would remove tools/lib/traceevent/parse-utils.o
Would remove tools/lib/traceevent/trace-seq.o

This patch fixes this.

Note: Though this should already work with O=$outputdir we better use
the OUTPUT variable directly.

Signed-off-by: Robert Richter

tools/perf/Makefile | 8 ++++-
1 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/tools/perf/Makefile b/tools/perf/Makefile
index 35655c3..2d4bf6e 100644
a/tools/perf/Makefile
+++ b/tools/perf/Makefile
@@ -186,10 +186,10 @@ SCRIPTS = $(patsubst %.sh,%,$(SCRIPT_SH))

TRACE_EVENT_DIR = ../lib/traceevent/

-ifeq ("$(origin O)", "command line")
- TE_PATH=$(OUTPUT)/
+ifneq ($(OUTPUT),)
+ TE_PATH=$(OUTPUT)
else
- TE_PATH=$(TRACE_EVENT_DIR)/
+ TE_PATH=$(TRACE_EVENT_DIR)
endif

LIBTRACEEVENT = $(TE_PATH)libtraceevent.a
@@ -842,7 +842,7 @@ $(LIB_FILE): $(LIB_OBJS)

# libtraceevent.a
$(LIBTRACEEVENT):
- $(QUIET_SUBDIR0)$(TRACE_EVENT_DIR) $(QUIET_SUBDIR1) $(COMMAND_O) libtraceevent.a
+ $(QUIET_SUBDIR0)$(TRACE_EVENT_DIR) $(QUIET_SUBDIR1) O=$(OUTPUT) libtraceevent.a

help:
@echo 'Perf make targets:'
1.7.8.4


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