linux-kernel - [PATCH 20/23] perf: consolidate CONFIG

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Date:	Mon,  1 Apr 2013 21:54:34 -0600
From:	David Ahern <dsahern@...il.com>
To:	acme@...stprotocols.net, linux-kernel@...r.kernel.org
Cc:	David Ahern <dsahern@...il.com>, Borislav Petkov <bp@...en8.de>,
	Frederic Weisbecker <fweisbec@...il.com>,
	Ingo Molnar <mingo@...nel.org>, Jiri Olsa <jolsa@...hat.com>,
	Namhyung Kim <namhyung@...nel.org>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Stephane Eranian <eranian@...gle.com>
Subject: [PATCH 20/23] perf: consolidate CONFIG_LIBELF checks in Makefile

Signed-off-by: David Ahern <dsahern@...il.com>
Cc: Arnaldo Carvalho de Melo <acme@...stprotocols.net>
Cc: Borislav Petkov <bp@...en8.de>
Cc: Frederic Weisbecker <fweisbec@...il.com>
Cc: Ingo Molnar <mingo@...nel.org>
Cc: Jiri Olsa <jolsa@...hat.com>
Cc: Namhyung Kim <namhyung@...nel.org>
Cc: Peter Zijlstra <a.p.zijlstra@...llo.nl>
Cc: Stephane Eranian <eranian@...gle.com>
---
 tools/perf/Makefile |   34 ++++++++++++++++------------------
 1 file changed, 16 insertions(+), 18 deletions(-)

diff --git a/tools/perf/Makefile b/tools/perf/Makefile
index e76fa2f..a3a62611 100644
--- a/tools/perf/Makefile
+++ b/tools/perf/Makefile
@@ -530,6 +530,12 @@ PERFLIBS = $(LIB_FILE) $(LIBTRACEEVENT)
 ifneq ($(MAKECMDGOALS),clean)
 ifneq ($(MAKECMDGOALS),tags)
 
+-include arch/$(ARCH)/Makefile
+
+ifneq ($(OUTPUT),)
+	BASIC_CFLAGS += -I$(OUTPUT)
+endif
+
 # We choose to avoid "if .. else if .. else .. endif endif"
 # because maintaining the nesting to match is a pain.  If
 # we had "elif" things would have been much nicer...
@@ -565,25 +571,7 @@ ifdef CONFIG_LIBELF
             $(error Please install new elfutils-devel/libdw-dev or disable CONFIG_DWARF);
         endif
     endif
-else
-    ifdef CONFIG_DWARF
-        $(error CONFIG_DWARF depends on LIBELF)
-    endif
-    ifdef CONFIG_DEMANGLE
-        $(error CONFIG_DEMANGLE depends on LIBELF)
-    endif
-    ifdef CONFIG_LIBUNWIND
-        $(error CONFIG_LIBUNWIND depends on LIBELF)
-    endif
-endif
 
--include arch/$(ARCH)/Makefile
-
-ifneq ($(OUTPUT),)
-	BASIC_CFLAGS += -I$(OUTPUT)
-endif
-
-ifdef CONFIG_LIBELF
     FLAGS_LIBELF=$(ALL_CFLAGS) $(ALL_LDFLAGS) $(EXTLIBS)
     ifeq ($(call try-cc,$(SOURCE_ELF_MMAP),$(FLAGS_LIBELF),-DLIBELF_MMAP),y)
 	    BASIC_CFLAGS += -DLIBELF_MMAP
@@ -602,6 +590,16 @@ ifdef CONFIG_LIBELF
     endif
 
 else
+    ifdef CONFIG_DWARF
+        $(error CONFIG_DWARF depends on LIBELF)
+    endif
+    ifdef CONFIG_DEMANGLE
+        $(error CONFIG_DEMANGLE depends on LIBELF)
+    endif
+    ifdef CONFIG_LIBUNWIND
+        $(error CONFIG_LIBUNWIND depends on LIBELF)
+    endif
+
     EXTLIBS := $(filter-out -lelf,$(EXTLIBS))
 
     # Remove ELF/DWARF dependent codes
-- 
1.7.10.1

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