[PATCH 19/25] perf tools: Merge all *LDFLAGS* make variable into LDFLAGS

Jiri Olsa
2013-05-24T12:37:38Z

Merging all *LDFLAGS* make variable into LDFLAGS to eliminate
all special *LDFLAGS* variables and make the setup clear.

Signed-off-by: Jiri Olsa <jolsa@redhat.com>
Cc: Arnaldo Carvalho de Melo <acme@ghostprotocols.net>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Stephane Eranian <eranian@google.com>
Cc: Sam Ravnborg <sam@ravnborg.org>
Cc: David Ahern <dsahern@gmail.com>
---
tools/perf/Makefile | 6 ++----
tools/perf/config/Makefile | 41 +++++++++++++++++++++++------------------
2 files changed, 25 insertions(+), 22 deletions(-)

diff --git a/tools/perf/Makefile b/tools/perf/Makefile
index 603ce96..0a74f14 100644
--- a/tools/perf/Makefile
+++ b/tools/perf/Makefile
@@ -513,8 +513,6 @@ endif

LIBS = -Wl,--whole-archive $(PERFLIBS) -Wl,--no-whole-archive -Wl,--start-group $(EXTLIBS) -Wl,--end-group

-ALL_LDFLAGS += $(BASIC_LDFLAGS)
-
export INSTALL SHELL_PATH

### Build rules
@@ -537,7 +535,7 @@ $(OUTPUT)perf.o: perf.c $(OUTPUT)common-cmds.h $(OUTPUT)PERF-CFLAGS
$(CFLAGS) -c $(filter %.c,$^) -o $@

$(OUTPUT)perf: $(OUTPUT)perf.o $(BUILTIN_OBJS) $(PERFLIBS)
- $(QUIET_LINK)$(CC) $(CFLAGS) $(ALL_LDFLAGS) $(OUTPUT)perf.o \
+ $(QUIET_LINK)$(CC) $(CFLAGS) $(LDFLAGS) $(OUTPUT)perf.o \
$(BUILTIN_OBJS) $(LIBS) -o $@

$(OUTPUT)builtin-help.o: builtin-help.c $(OUTPUT)common-cmds.h $(OUTPUT)PERF-CFLAGS
@@ -642,7 +640,7 @@ $(OUTPUT)scripts/python/Perf-Trace-Util/Context.o: scripts/python/Perf-Trace-Uti
$(QUIET_CC)$(CC) -o $@ -c $(CFLAGS) $(PYTHON_EMBED_CCOPTS) -Wno-redundant-decls -Wno-strict-prototypes -Wno-unused-parameter -Wno-nested-externs $<

$(OUTPUT)perf-%: %.o $(PERFLIBS)
- $(QUIET_LINK)$(CC) $(CFLAGS) -o $@ $(ALL_LDFLAGS) $(filter %.o,$^) $(LIBS)
+ $(QUIET_LINK)$(CC) $(CFLAGS) -o $@ $(LDFLAGS) $(filter %.o,$^) $(LIBS)

$(LIB_OBJS) $(BUILTIN_OBJS): $(LIB_H)
$(patsubst perf-%,%.o,$(PROGRAMS)): $(LIB_H) $(wildcard */*.h)
diff --git a/tools/perf/config/Makefile b/tools/perf/config/Makefile
index a53d2b3..c6e4902 100644
--- a/tools/perf/config/Makefile
+++ b/tools/perf/config/Makefile
@@ -71,7 +71,6 @@ CFLAGS += \
-std=gnu99

EXTLIBS = -lpthread -lrt -lelf -lm
-ALL_LDFLAGS = $(LDFLAGS)

ifeq ($(call try-cc,$(SOURCE_HELLO),$(CFLAGS) -Werror -fstack-protector-all,-fstack-protector-all),y)
CFLAGS += -fstack-protector-all
@@ -107,8 +106,6 @@ CFLAGS += \
-I../lib/ \
-D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE

-BASIC_LDFLAGS =
-
ifeq ($(call try-cc,$(SOURCE_BIONIC),$(CFLAGS),bionic),y)
BIONIC := 1
EXTLIBS := $(filter-out -lrt,$(EXTLIBS))
@@ -120,9 +117,9 @@ ifdef NO_LIBELF
NO_DEMANGLE := 1
NO_LIBUNWIND := 1
else
-FLAGS_LIBELF=$(CFLAGS) $(ALL_LDFLAGS) $(EXTLIBS)
+FLAGS_LIBELF=$(CFLAGS) $(LDFLAGS) $(EXTLIBS)
ifneq ($(call try-cc,$(SOURCE_LIBELF),$(FLAGS_LIBELF),libelf),y)
- FLAGS_GLIBC=$(CFLAGS) $(ALL_LDFLAGS)
+ FLAGS_GLIBC=$(CFLAGS) $(LDFLAGS)
ifeq ($(call try-cc,$(SOURCE_GLIBC),$(FLAGS_GLIBC),glibc),y)
LIBC_SUPPORT := 1
endif
@@ -146,7 +143,7 @@ else
LIBDW_LDFLAGS := -L$(LIBDW_DIR)/lib
endif

- FLAGS_DWARF=$(CFLAGS) $(LIBDW_CFLAGS) -ldw -lelf $(LIBDW_LDFLAGS) $(ALL_LDFLAGS) $(EXTLIBS)
+ FLAGS_DWARF=$(CFLAGS) $(LIBDW_CFLAGS) -ldw -lelf $(LIBDW_LDFLAGS) $(LDFLAGS) $(EXTLIBS)
ifneq ($(call try-cc,$(SOURCE_DWARF),$(FLAGS_DWARF),libdw),y)
msg := $(warning No libdw.h found or old libdw.h found or elfutils is older than 0.138, disables dwarf support. Please install new elfutils-devel/libdw-dev);
NO_DWARF := 1
@@ -156,7 +153,7 @@ endif # NO_LIBELF

ifndef NO_LIBELF
CFLAGS += -DLIBELF_SUPPORT
-FLAGS_LIBELF=$(CFLAGS) $(ALL_LDFLAGS) $(EXTLIBS)
+FLAGS_LIBELF=$(CFLAGS) $(LDFLAGS) $(EXTLIBS)
ifeq ($(call try-cc,$(SOURCE_ELF_MMAP),$(FLAGS_LIBELF),-DLIBELF_MMAP),y)
CFLAGS += -DLIBELF_MMAP
endif
@@ -170,13 +167,21 @@ ifeq ($(origin PERF_HAVE_DWARF_REGS), undefined)
NO_DWARF := 1
else
CFLAGS += -DDWARF_SUPPORT $(LIBDW_CFLAGS)
- BASIC_LDFLAGS := $(LIBDW_LDFLAGS) $(BASIC_LDFLAGS)
+ LDFLAGS += $(LIBDW_LDFLAGS)
EXTLIBS += -lelf -ldw
endif # PERF_HAVE_DWARF_REGS
endif # NO_DWARF

endif # NO_LIBELF

+ifndef NO_LIBELF
+CFLAGS += -DLIBELF_SUPPORT
+FLAGS_LIBELF=$(CFLAGS) $(LDFLAGS) $(EXTLIBS)
+ifeq ($(call try-cc,$(SOURCE_ELF_MMAP),$(FLAGS_LIBELF),-DLIBELF_MMAP),y)
+ CFLAGS += -DLIBELF_MMAP
+endif # try-cc
+endif # NO_LIBELF
+
# There's only x86 (both 32 and 64) support for CFI unwind so far
ifneq ($(ARCH),x86)
NO_LIBUNWIND := 1
@@ -190,7 +195,7 @@ ifdef LIBUNWIND_DIR
LIBUNWIND_LDFLAGS := -L$(LIBUNWIND_DIR)/lib
endif

-FLAGS_UNWIND=$(LIBUNWIND_CFLAGS) $(CFLAGS) $(LIBUNWIND_LDFLAGS) $(ALL_LDFLAGS) $(EXTLIBS) $(LIBUNWIND_LIBS)
+FLAGS_UNWIND=$(LIBUNWIND_CFLAGS) $(CFLAGS) $(LIBUNWIND_LDFLAGS) $(LDFLAGS) $(EXTLIBS) $(LIBUNWIND_LIBS)
ifneq ($(call try-cc,$(SOURCE_LIBUNWIND),$(FLAGS_UNWIND),libunwind),y)
msg := $(warning No libunwind found, disabling post unwind support. Please install libunwind-dev[el] >= 0.99);
NO_LIBUNWIND := 1
@@ -201,11 +206,11 @@ ifndef NO_LIBUNWIND
CFLAGS += -DLIBUNWIND_SUPPORT
EXTLIBS += $(LIBUNWIND_LIBS)
CFLAGS += $(LIBUNWIND_CFLAGS)
- BASIC_LDFLAGS := $(LIBUNWIND_LDFLAGS) $(BASIC_LDFLAGS)
+ LDFLAGS += $(LIBUNWIND_LDFLAGS)
endif # NO_LIBUNWIND

ifndef NO_LIBAUDIT
- FLAGS_LIBAUDIT = $(CFLAGS) $(ALL_LDFLAGS) -laudit
+ FLAGS_LIBAUDIT = $(CFLAGS) $(LDFLAGS) -laudit
ifneq ($(call try-cc,$(SOURCE_LIBAUDIT),$(FLAGS_LIBAUDIT),libaudit),y)
msg := $(warning No libaudit.h found, disables 'trace' tool, please install audit-libs-devel or libaudit-dev);
NO_LIBAUDIT := 1
@@ -220,7 +225,7 @@ ifdef NO_NEWT
endif

ifndef NO_SLANG
- FLAGS_SLANG=$(CFLAGS) $(ALL_LDFLAGS) $(EXTLIBS) -I/usr/include/slang -lslang
+ FLAGS_SLANG=$(CFLAGS) $(LDFLAGS) $(EXTLIBS) -I/usr/include/slang -lslang
ifneq ($(call try-cc,$(SOURCE_SLANG),$(FLAGS_SLANG),libslang),y)
msg := $(warning slang not found, disables TUI support. Please install slang-devel or libslang-dev);
NO_SLANG := 1
@@ -233,7 +238,7 @@ ifndef NO_SLANG
endif

ifndef NO_GTK2
- FLAGS_GTK2=$(CFLAGS) $(ALL_LDFLAGS) $(EXTLIBS) $(shell pkg-config --libs --cflags gtk+-2.0 2>/dev/null)
+ FLAGS_GTK2=$(CFLAGS) $(LDFLAGS) $(EXTLIBS) $(shell pkg-config --libs --cflags gtk+-2.0 2>/dev/null)
ifneq ($(call try-cc,$(SOURCE_GTK2),$(FLAGS_GTK2),gtk2),y)
msg := $(warning GTK2 not found, disables GTK2 support. Please install gtk2-devel or libgtk2.0-dev);
NO_GTK2 := 1
@@ -263,7 +268,7 @@ else
CFLAGS += -DNO_LIBPERL
NO_LIBPERL := 1
else
- ALL_LDFLAGS += $(PERL_EMBED_LDFLAGS)
+ LDFLAGS += $(PERL_EMBED_LDFLAGS)
EXTLIBS += $(PERL_EMBED_LIBADD)
endif
endif
@@ -322,7 +327,7 @@ else
$(warning $(and ,))
$(error $(and ,))
else
- ALL_LDFLAGS += $(PYTHON_EMBED_LDFLAGS)
+ LDFLAGS += $(PYTHON_EMBED_LDFLAGS)
EXTLIBS += $(PYTHON_EMBED_LIBADD)
LANG_BINDINGS += $(OUTPUT)python/perf.so
endif
@@ -338,7 +343,7 @@ else
EXTLIBS += -liberty
CFLAGS += -DHAVE_CPLUS_DEMANGLE
else
- FLAGS_BFD=$(CFLAGS) $(ALL_LDFLAGS) $(EXTLIBS) -DPACKAGE='perf' -lbfd
+ FLAGS_BFD=$(CFLAGS) $(LDFLAGS) $(EXTLIBS) -DPACKAGE='perf' -lbfd
has_bfd := $(call try-cc,$(SOURCE_BFD),$(FLAGS_BFD),libbfd)
ifeq ($(has_bfd),y)
EXTLIBS += -lbfd
@@ -353,7 +358,7 @@ else
ifeq ($(has_bfd_iberty_z),y)
EXTLIBS += -lbfd -liberty -lz
else
- FLAGS_CPLUS_DEMANGLE=$(CFLAGS) $(ALL_LDFLAGS) $(EXTLIBS) -liberty
+ FLAGS_CPLUS_DEMANGLE=$(CFLAGS) $(LDFLAGS) $(EXTLIBS) -liberty
has_cplus_demangle := $(call try-cc,$(SOURCE_CPLUS_DEMANGLE),$(FLAGS_CPLUS_DEMANGLE),demangle)
ifeq ($(has_cplus_demangle),y)
EXTLIBS += -liberty
@@ -387,7 +392,7 @@ ifndef NO_BACKTRACE
endif

ifndef NO_LIBNUMA
- FLAGS_LIBNUMA = $(CFLAGS) $(ALL_LDFLAGS) -lnuma
+ FLAGS_LIBNUMA = $(CFLAGS) $(LDFLAGS) -lnuma
ifneq ($(call try-cc,$(SOURCE_LIBNUMA),$(FLAGS_LIBNUMA),libnuma),y)
msg := $(warning No numa.h found, disables 'perf bench numa mem' benchmark, please install numa-libs-devel or libnuma-dev);
NO_LIBNUMA := 1
--
1.7.11.7