perf tools: Move programs check into config/Makefile

Moving programs check into config/Makefile.

Signed-off-by: Jiri Olsa <jolsa@redhat.com>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Sam Ravnborg <sam@ravnborg.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/r/1369398928-9809-4-git-send-email-jolsa@redhat.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
diff --git a/tools/perf/Makefile b/tools/perf/Makefile
index a4abdaf..2a75476 100644
--- a/tools/perf/Makefile
+++ b/tools/perf/Makefile
@@ -58,6 +58,14 @@
 CC = $(CROSS_COMPILE)gcc
 AR = $(CROSS_COMPILE)ar
 
+RM      = rm -f
+MKDIR   = mkdir
+FIND    = find
+INSTALL = install
+FLEX    = flex
+BISON   = bison
+STRIP  ?= strip
+
 # include config/Makefile by default and rule out
 # non-config cases
 config := 1
@@ -100,7 +108,6 @@
 EXTLIBS = -lpthread -lrt -lelf -lm
 ALL_CFLAGS = $(CFLAGS) -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE
 ALL_LDFLAGS = $(LDFLAGS)
-STRIP ?= strip
 
 # Among the variables below, these:
 #   perfexecdir
@@ -137,13 +144,6 @@
 
 export prefix bindir sharedir sysconfdir
 
-RM = rm -f
-MKDIR = mkdir
-FIND = find
-INSTALL = install
-FLEX = flex
-BISON= bison
-
 # sparse is architecture-neutral, which means that we need to tell it
 # explicitly what architecture to check for. Fix this up for yours..
 SPARSE_FLAGS = -D__BIG_ENDIAN__ -D__powerpc__
@@ -152,14 +152,6 @@
 ifneq ($(MAKECMDGOALS),tags)
 -include config/feature-tests.mak
 
-ifeq ($(call get-executable,$(FLEX)),)
-	dummy := $(error Error: $(FLEX) is missing on this system, please install it)
-endif
-
-ifeq ($(call get-executable,$(BISON)),)
-	dummy := $(error Error: $(BISON) is missing on this system, please install it)
-endif
-
 ifeq ($(call try-cc,$(SOURCE_HELLO),$(CFLAGS) -Werror -fstack-protector-all,-fstack-protector-all),y)
 	CFLAGS := $(CFLAGS) -fstack-protector-all
 endif