1 files changed, 36 insertions, 13 deletions

diff --git a/tools/perf/Makefile b/tools/perf/Makefile
index 9c6d0ae3708e..1916e44b9bb0 100644
--- a/tools/perf/Makefile
+++ b/tools/perf/Makefile
@@ -158,13 +158,15 @@ uname_P := $(shell sh -c 'uname -p 2>/dev/null || echo not')
 uname_V := $(shell sh -c 'uname -v 2>/dev/null || echo not')
 
 # If we're on a 64-bit kernel, use -m64
-ifneq ($(patsubst %64,%,$(uname_M)),$(uname_M))
-  M64 := -m64
+ifndef NO_64BIT
+        ifneq ($(patsubst %64,%,$(uname_M)),$(uname_M))
+          M64 := -m64
+        endif
 endif
 
 # CFLAGS and LDFLAGS are for the users to override from the command line.
 
-CFLAGS = $(M64) -ggdb3 -Wall -Wstrict-prototypes -Wmissing-declarations -Wmissing-prototypes -std=gnu99 -Wdeclaration-after-statement -Werror -O6
+CFLAGS = $(M64) -ggdb3 -Wall -Wextra -Wstrict-prototypes -Wmissing-declarations -Wmissing-prototypes -std=gnu99 -Wdeclaration-after-statement -Werror -O6
 LDFLAGS = -lpthread -lrt -lelf -lm
 ALL_CFLAGS = $(CFLAGS)
 ALL_LDFLAGS = $(LDFLAGS)
@@ -223,7 +225,7 @@ SPARSE_FLAGS = -D__BIG_ENDIAN__ -D__powerpc__
 # Those must not be GNU-specific; they are shared with perl/ which may
 # be built by a different compiler. (Note that this is an artifact now
 # but it still might be nice to keep that distinction.)
-BASIC_CFLAGS =
+BASIC_CFLAGS = -Iutil/include
 BASIC_LDFLAGS =
 
 # Guard against environment variables
@@ -289,10 +291,11 @@ export PERL_PATH
 LIB_FILE=libperf.a
 
 LIB_H += ../../include/linux/perf_counter.h
+LIB_H += ../../include/linux/rbtree.h
+LIB_H += ../../include/linux/list.h
+LIB_H += util/include/linux/list.h
 LIB_H += perf.h
 LIB_H += util/types.h
-LIB_H += util/list.h
-LIB_H += util/rbtree.h
 LIB_H += util/levenshtein.h
 LIB_H += util/parse-options.h
 LIB_H += util/parse-events.h
@@ -305,6 +308,7 @@ LIB_H += util/strlist.h
 LIB_H += util/run-command.h
 LIB_H += util/sigchain.h
 LIB_H += util/symbol.h
+LIB_H += util/module.h
 LIB_H += util/color.h
 
 LIB_OBJS += util/abspath.o
@@ -328,6 +332,7 @@ LIB_OBJS += util/usage.o
 LIB_OBJS += util/wrapper.o
 LIB_OBJS += util/sigchain.o
 LIB_OBJS += util/symbol.o
+LIB_OBJS += util/module.o
 LIB_OBJS += util/color.o
 LIB_OBJS += util/pager.o
 LIB_OBJS += util/header.o
@@ -342,7 +347,6 @@ BUILTIN_OBJS += builtin-stat.o
 BUILTIN_OBJS += builtin-top.o
 
 PERFLIBS = $(LIB_FILE)
-EXTLIBS =
 
 #
 # Platform specific tweaks
@@ -371,6 +375,28 @@ ifeq ($(uname_S),Darwin)
         PTHREAD_LIBS =
 endif
 
+ifneq ($(shell sh -c "(echo '\#include <libelf.h>'; echo 'int main(void) { Elf * elf = elf_begin(0, ELF_C_READ_MMAP, 0); return (long)elf; }') | $(CC) -x c - $(ALL_CFLAGS) -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -o /dev/null $(ALL_LDFLAGS) > /dev/null 2>&1 && echo y"), y)
+        msg := $(error No libelf.h/libelf found, please install libelf-dev/elfutils-libelf-devel);
+endif
+
+ifdef NO_DEMANGLE
+        BASIC_CFLAGS += -DNO_DEMANGLE
+else
+
+        has_bfd := $(shell sh -c "(echo '\#include <bfd.h>'; echo 'int main(void) { bfd_demangle(0, 0, 0); return 0; }') | $(CC) -x c - $(ALL_CFLAGS) -o /dev/null $(ALL_LDFLAGS) -lbfd > /dev/null 2>&1 && echo y")
+
+        has_bfd_iberty := $(shell sh -c "(echo '\#include <bfd.h>'; echo 'int main(void) { bfd_demangle(0, 0, 0); return 0; }') | $(CC) -x c - $(ALL_CFLAGS) -o /dev/null $(ALL_LDFLAGS) -lbfd -liberty > /dev/null 2>&1 && echo y")
+
+        ifeq ($(has_bfd),y)
+                EXTLIBS += -lbfd
+        else ifeq ($(has_bfd_iberty),y)
+                EXTLIBS += -lbfd -liberty
+        else
+                msg := $(warning No bfd.h/libbfd found, install binutils-dev[el] to gain symbol demangling)
+                BASIC_CFLAGS += -DNO_DEMANGLE
+        endif
+endif
+
 ifndef CC_LD_DYNPATH
         ifdef NO_R_TO_GCC_LINKER
                 # Some gcc does not accept and pass -R to the linker to specify
@@ -381,12 +407,6 @@ ifndef CC_LD_DYNPATH
         endif
 endif
 
-ifdef ZLIB_PATH
-        BASIC_CFLAGS += -I$(ZLIB_PATH)/include
-        EXTLIBS += -L$(ZLIB_PATH)/$(lib) $(CC_LD_DYNPATH)$(ZLIB_PATH)/$(lib)
-endif
-EXTLIBS += -lz
-
 ifdef NEEDS_SOCKET
         EXTLIBS += -lsocket
 endif
@@ -697,6 +717,9 @@ builtin-init-db.o: builtin-init-db.c PERF-CFLAGS
 util/config.o: util/config.c PERF-CFLAGS
         $(QUIET_CC)$(CC) -o $*.o -c $(ALL_CFLAGS) -DETC_PERFCONFIG='"$(ETC_PERFCONFIG_SQ)"' $<
 
+util/rbtree.o: ../../lib/rbtree.c PERF-CFLAGS
+        $(QUIET_CC)$(CC) -o util/rbtree.o -c $(ALL_CFLAGS) -DETC_PERFCONFIG='"$(ETC_PERFCONFIG_SQ)"' $<
+
 perf-%$X: %.o $(PERFLIBS)
         $(QUIET_LINK)$(CC) $(ALL_CFLAGS) -o $@ $(ALL_LDFLAGS) $(filter %.o,$^) $(LIBS)