linux-kernel - [PATCH 04/14] perf build: Get rid of VF_FEATURE

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Date:	Tue,  3 Mar 2015 15:26:27 +0100
From:	Jiri Olsa <jolsa@...nel.org>
To:	linux-kernel@...r.kernel.org
Cc:	Jiri Olsa <jolsa@...nel.org>,
	Arnaldo Carvalho de Melo <acme@...hat.com>,
	Corey Ashford <cjashfor@...ux.vnet.ibm.com>,
	David Ahern <david.ahern@...cle.com>,
	Ingo Molnar <mingo@...nel.org>,
	Namhyung Kim <namhyung@...nel.org>,
	Paul Mackerras <paulus@...ba.org>,
	Peter Zijlstra <peterz@...radead.org>
Subject: [PATCH 04/14] perf build: Get rid of VF_FEATURE_TESTS

It only contains (FEATURE_TESTS - FEATURE_DISPLAY) tests to display
the rest of the checks on 'make VF=1'. But we can actually compute
this list, which is less confusing.

Also renaming LIB_FEATURE_TESTS into FEATURE_DISPLAY, so it reflects
what this variable actually does - display its tests status to user.

Signed-off-by: Jiri Olsa <jolsa@...nel.org>
Cc: Arnaldo Carvalho de Melo <acme@...hat.com>
Cc: Corey Ashford <cjashfor@...ux.vnet.ibm.com>
Cc: David Ahern <david.ahern@...cle.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>
---
 tools/perf/config/Makefile | 32 +++++++-------------------------
 1 file changed, 7 insertions(+), 25 deletions(-)

diff --git a/tools/perf/config/Makefile b/tools/perf/config/Makefile
index 8f0b9c319187..09135b763e6d 100644
--- a/tools/perf/config/Makefile
+++ b/tools/perf/config/Makefile
@@ -229,7 +229,7 @@ FEATURE_TESTS =			\
 	libbabeltrace			\
 	zlib
 
-LIB_FEATURE_TESTS =			\
+FEATURE_DISPLAY =			\
 	dwarf				\
 	glibc				\
 	gtk2				\
@@ -245,25 +245,6 @@ LIB_FEATURE_TESTS =			\
 	libbabeltrace			\
 	zlib
 
-VF_FEATURE_TESTS =			\
-	backtrace			\
-	fortify-source			\
-	sync-compare-and-swap		\
-	gtk2-infobar			\
-	libelf-getphdrnum		\
-	libelf-mmap			\
-	libpython-version		\
-	pthread-attr-setaffinity-np	\
-	stackprotector-all		\
-	timerfd				\
-	libunwind-debug-frame		\
-	bionic				\
-	liberty				\
-	liberty-z			\
-	cplus-demangle			\
-	compile-32			\
-	compile-x32
-
 # Set FEATURE_CHECK_(C|LD)FLAGS-all for all FEATURE_TESTS features.
 # If in the future we need per-feature checks/flags for features not
 # mentioned in this list we need to refactor this ;-).
@@ -806,7 +787,7 @@ define feature_print_text_code
     MSG = $(shell printf '...%30s: %s' $(1) $(2))
 endef
 
-PERF_FEATURES := $(foreach feat,$(LIB_FEATURE_TESTS),feature-$(feat)($(feature-$(feat))))
+PERF_FEATURES := $(foreach feat,$(FEATURE_DISPLAY),feature-$(feat)($(feature-$(feat))))
 PERF_FEATURES_FILE := $(shell touch $(OUTPUT)PERF-FEATURES; cat $(OUTPUT)PERF-FEATURES)
 
 ifeq ($(dwarf-post-unwind),1)
@@ -817,7 +798,7 @@ endif
 # output. It's set if:
 # - detected features differes from stored features from
 #   last build (in PERF-FEATURES file)
-# - one of the $(LIB_FEATURE_TESTS) is not detected
+# - one of the $(FEATURE_DISPLAY) is not detected
 # - VF is enabled
 
 ifneq ("$(PERF_FEATURES)","$(PERF_FEATURES_FILE)")
@@ -832,7 +813,7 @@ define feature_check_code
   endif
 endef
 
-$(foreach feat,$(LIB_FEATURE_TESTS),$(call feature_check,$(feat)))
+$(foreach feat,$(FEATURE_DISPLAY),$(call feature_check,$(feat)))
 
 ifeq ($(VF),1)
   display_lib := 1
@@ -842,7 +823,7 @@ endif
 ifeq ($(display_lib),1)
   $(info )
   $(info Auto-detecting system features:)
-  $(foreach feat,$(LIB_FEATURE_TESTS),$(call feature_print_status,$(feat),))
+  $(foreach feat,$(FEATURE_DISPLAY),$(call feature_print_status,$(feat),))
 
   ifeq ($(dwarf-post-unwind),1)
     $(call feature_print_text,"DWARF post unwind library", $(dwarf-post-unwind-text))
@@ -850,7 +831,8 @@ ifeq ($(display_lib),1)
 endif
 
 ifeq ($(display_vf),1)
-  $(foreach feat,$(VF_FEATURE_TESTS),$(call feature_print_status,$(feat),))
+  TMP := $(filter-out $(FEATURE_DISPLAY),$(FEATURE_TESTS))
+  $(foreach feat,$(TMP),$(call feature_print_status,$(feat),))
   $(info )
   $(call feature_print_var,prefix)
   $(call feature_print_var,bindir)
-- 
1.9.3

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