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Subject[PATCH 014/161] tools/perf/build: Clean up the mmap logic in config/Makefile
Date
From: Ingo Molnar <mingo@kernel.org>

Nest the rules properly. No change in functionality.

Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Link: http://lkml.kernel.org/n/tip-wwktuHl4Ra5lyrrretkxmxqf@git.kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
---
tools/perf/config/Makefile | 51 +++++++++++++++++++++++-----------------------
1 file changed, 26 insertions(+), 25 deletions(-)

diff --git a/tools/perf/config/Makefile b/tools/perf/config/Makefile
index 89630b8c8d59..8a27de27f7c2 100644
--- a/tools/perf/config/Makefile
+++ b/tools/perf/config/Makefile
@@ -199,37 +199,38 @@ else
endif # NO_LIBELF

ifndef NO_LIBELF
-CFLAGS += -DHAVE_LIBELF_SUPPORT
-FLAGS_LIBELF=$(CFLAGS) $(LDFLAGS) $(EXTLIBS)
-ifeq ($(call try-cc,$(SOURCE_ELF_MMAP),$(FLAGS_LIBELF),-DHAVE_LIBELF_MMAP_SUPPORT),y)
- CFLAGS += -DHAVE_LIBELF_MMAP_SUPPORT
-endif
-ifeq ($(call try-cc,$(SOURCE_ELF_GETPHDRNUM),$(FLAGS_LIBELF),-DHAVE_ELF_GETPHDRNUM_SUPPORT),y)
- CFLAGS += -DHAVE_ELF_GETPHDRNUM_SUPPORT
-endif
+ CFLAGS += -DHAVE_LIBELF_SUPPORT
+ FLAGS_LIBELF=$(CFLAGS) $(LDFLAGS) $(EXTLIBS)

-# include ARCH specific config
--include $(src-perf)/arch/$(ARCH)/Makefile
+ ifeq ($(call try-cc,$(SOURCE_ELF_MMAP),$(FLAGS_LIBELF),-DHAVE_LIBELF_MMAP_SUPPORT),y)
+ CFLAGS += -DHAVE_LIBELF_MMAP_SUPPORT
+ endif

-ifndef NO_DWARF
-ifeq ($(origin PERF_HAVE_DWARF_REGS), undefined)
- msg := $(warning DWARF register mappings have not been defined for architecture $(ARCH), DWARF support disabled);
- NO_DWARF := 1
-else
- CFLAGS += -DHAVE_DWARF_SUPPORT $(LIBDW_CFLAGS)
- LDFLAGS += $(LIBDW_LDFLAGS)
- EXTLIBS += -lelf -ldw
-endif # PERF_HAVE_DWARF_REGS
-endif # NO_DWARF
+ ifeq ($(call try-cc,$(SOURCE_ELF_GETPHDRNUM),$(FLAGS_LIBELF),-DHAVE_ELF_GETPHDRNUM_SUPPORT),y)
+ CFLAGS += -DHAVE_ELF_GETPHDRNUM_SUPPORT
+ endif
+
+ # include ARCH specific config
+ -include $(src-perf)/arch/$(ARCH)/Makefile

+ ifndef NO_DWARF
+ ifeq ($(origin PERF_HAVE_DWARF_REGS), undefined)
+ msg := $(warning DWARF register mappings have not been defined for architecture $(ARCH), DWARF support disabled);
+ NO_DWARF := 1
+ else
+ CFLAGS += -DHAVE_DWARF_SUPPORT $(LIBDW_CFLAGS)
+ LDFLAGS += $(LIBDW_LDFLAGS)
+ EXTLIBS += -lelf -ldw
+ endif # PERF_HAVE_DWARF_REGS
+ endif # NO_DWARF
endif # NO_LIBELF

ifndef NO_LIBELF
-CFLAGS += -DHAVE_LIBELF_SUPPORT
-FLAGS_LIBELF=$(CFLAGS) $(LDFLAGS) $(EXTLIBS)
-ifeq ($(call try-cc,$(SOURCE_ELF_MMAP),$(FLAGS_LIBELF),-DHAVE_LIBELF_MMAP_SUPPORT),y)
- CFLAGS += -DHAVE_LIBELF_MMAP_SUPPORT
-endif # try-cc
+ CFLAGS += -DHAVE_LIBELF_SUPPORT
+ FLAGS_LIBELF=$(CFLAGS) $(LDFLAGS) $(EXTLIBS)
+ ifeq ($(call try-cc,$(SOURCE_ELF_MMAP),$(FLAGS_LIBELF),-DHAVE_LIBELF_MMAP_SUPPORT),y)
+ CFLAGS += -DHAVE_LIBELF_MMAP_SUPPORT
+ endif # try-cc
endif # NO_LIBELF

# There's only x86 (both 32 and 64) support for CFI unwind so far
--
1.8.1.4


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