linux-kernel - [PATCH 3/5] perf tools: Separate out GTK codes to libperf-gtk.so

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Date:	Thu, 15 Nov 2012 01:47:42 +0900
From:	Namhyung Kim <namhyung@...nel.org>
To:	Arnaldo Carvalho de Melo <acme@...stprotocols.net>
Cc:	Ingo Molnar <mingo@...nel.org>,
	Peter Zijlstra <peterz@...radead.org>,
	Steven Rostedt <rostedt@...dmis.org>,
	David Ahern <dsahern@...il.com>, Jiri Olsa <jolsa@...hat.com>,
	Pekka Enberg <penberg@...nel.org>,
	Andi Kleen <ak@...ux.intel.com>,
	LKML <linux-kernel@...r.kernel.org>
Subject: [PATCH 3/5] perf tools: Separate out GTK codes to libperf-gtk.so

Separate out GTK codes to a shared object called libperf-gtk.so.
In order to do that all objects are compiled as PIC like libtraceevent.
For now whole libperf and libtraceevent are built into it.

Cc: Andi Kleen <ak@...ux.intel.com>
Cc: Pekka Enberg <penberg@...nel.org>
Signed-off-by: Namhyung Kim <namhyung@...nel.org>
---
 tools/perf/Makefile |   36 +++++++++++++++++++++++-------------
 1 file changed, 23 insertions(+), 13 deletions(-)

diff --git a/tools/perf/Makefile b/tools/perf/Makefile
index cd1f346a9f8b..502080cc1b3d 100644
--- a/tools/perf/Makefile
+++ b/tools/perf/Makefile
@@ -105,7 +105,7 @@ endif
 
 CFLAGS = -fno-omit-frame-pointer -ggdb3 -funwind-tables -Wall -Wextra -std=gnu99 $(CFLAGS_WERROR) $(CFLAGS_OPTIMIZE) $(EXTRA_WARNINGS) $(EXTRA_CFLAGS) $(PARSER_DEBUG_CFLAGS)
 EXTLIBS = -lpthread -lrt -lelf -lm
-ALL_CFLAGS = $(CFLAGS) -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE
+ALL_CFLAGS = $(CFLAGS) -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE -fPIC
 ALL_LDFLAGS = $(LDFLAGS)
 STRIP ?= strip
 
@@ -639,17 +639,27 @@ ifndef NO_GTK2
 		msg := $(warning GTK2 not found, disables GTK2 support. Please install gtk2-devel or libgtk2.0-dev);
 	else
 		ifeq ($(call try-cc,$(SOURCE_GTK2_INFOBAR),$(FLAGS_GTK2),-DHAVE_GTK_INFO_BAR),y)
-			BASIC_CFLAGS += -DHAVE_GTK_INFO_BAR
+			GTK_CFLAGS = -DHAVE_GTK_INFO_BAR
 		endif
-		BASIC_CFLAGS += -DGTK2_SUPPORT
-		BASIC_CFLAGS += $(shell pkg-config --cflags gtk+-2.0 2>/dev/null)
-		EXTLIBS += $(shell pkg-config --libs gtk+-2.0 2>/dev/null)
-		LIB_OBJS += $(OUTPUT)ui/gtk/browser.o
-		LIB_OBJS += $(OUTPUT)ui/gtk/setup.o
-		LIB_OBJS += $(OUTPUT)ui/gtk/util.o
-		LIB_OBJS += $(OUTPUT)ui/gtk/helpline.o
-		LIB_OBJS += $(OUTPUT)ui/gtk/progress.o
-	endif
+		GTK_CFLAGS += $(ALL_CFLAGS) -DGTK2_SUPPORT
+		GTK_CFLAGS += $(shell pkg-config --cflags gtk+-2.0 2>/dev/null)
+		GTK_LIBS += $(shell pkg-config --libs gtk+-2.0 2>/dev/null)
+		GTK_OBJS := $(OUTPUT)ui/gtk/browser.o
+		GTK_OBJS += $(OUTPUT)ui/gtk/setup.o
+		GTK_OBJS += $(OUTPUT)ui/gtk/util.o
+		GTK_OBJS += $(OUTPUT)ui/gtk/helpline.o
+		GTK_OBJS += $(OUTPUT)ui/gtk/progress.o
+		GTK_H := ui/gtk/gtk.h
+
+$(GTK_OBJS): %.o: %.c $(LIB_H) $(GTK_H)
+	$(QUIET_CC)$(CC) -o $@ -c $(GTK_CFLAGS) $<
+
+$(OUTPUT)libperf-gtk.so: $(GTK_OBJS) $(PERFLIBS)
+	$(QUIET_LINK)$(CC) -o $@ -shared $(GTK_CFLAGS) $(ALL_LDFLAGS) $(filter %.o,$^) $(LIBS) $(GTK_LIBS)
+
+all: $(OUTPUT)libperf-gtk.so
+
+endif
 endif
 
 ifdef NO_LIBPERL
@@ -1098,8 +1108,8 @@ $(INSTALL_DOC_TARGETS):
 ### Cleaning rules
 
 clean: $(LIBTRACEEVENT)-clean
-	$(RM) $(LIB_OBJS) $(BUILTIN_OBJS) $(LIB_FILE) $(OUTPUT)perf-archive $(OUTPUT)perf.o $(LANG_BINDINGS)
-	$(RM) $(ALL_PROGRAMS) perf
+	$(RM) $(LIB_OBJS) $(BUILTIN_OBJS) $(GTK_OBJS) $(LIB_FILE) $(OUTPUT)perf-archive $(OUTPUT)perf.o $(LANG_BINDINGS)
+	$(RM) $(ALL_PROGRAMS) $(OUTPUT)libperf-gtk.so
 	$(RM) *.spec *.pyc *.pyo */*.pyc */*.pyo $(OUTPUT)common-cmds.h TAGS tags cscope*
 	$(QUIET_SUBDIR0)Documentation $(QUIET_SUBDIR1) clean
 	$(RM) $(OUTPUT)PERF-VERSION-FILE $(OUTPUT)PERF-CFLAGS
-- 
1.7.9.2

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