perf tools: Move libelf check config into config/Makefile

Moving libelf check config into config/Makefile.

Signed-off-by: Jiri Olsa <jolsa@redhat.com>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Sam Ravnborg <sam@ravnborg.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/r/1369398928-9809-6-git-send-email-jolsa@redhat.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

diff --git a/tools/perf/Makefile b/tools/perf/Makefile
index aa6f933..a174c68 100644 (file)
--- a/tools/perf/Makefile
+++ b/tools/perf/Makefile
@@ -473,45 +473,6 @@ ifneq ($(MAKECMDGOALS),tags)
 # because maintaining the nesting to match is a pain.  If
 # we had "elif" things would have been much nicer...
 
-ifdef NO_LIBELF
-       NO_DWARF := 1
-       NO_DEMANGLE := 1
-       NO_LIBUNWIND := 1
-else
-FLAGS_LIBELF=$(ALL_CFLAGS) $(ALL_LDFLAGS) $(EXTLIBS)
-ifneq ($(call try-cc,$(SOURCE_LIBELF),$(FLAGS_LIBELF),libelf),y)
-       FLAGS_GLIBC=$(ALL_CFLAGS) $(ALL_LDFLAGS)
-       ifeq ($(call try-cc,$(SOURCE_GLIBC),$(FLAGS_GLIBC),glibc),y)
-               LIBC_SUPPORT := 1
-       endif
-       ifeq ($(BIONIC),1)
-               LIBC_SUPPORT := 1
-       endif
-       ifeq ($(LIBC_SUPPORT),1)
-               msg := $(warning No libelf found, disables 'probe' tool, please install elfutils-libelf-devel/libelf-dev);
-
-               NO_LIBELF := 1
-               NO_DWARF := 1
-               NO_DEMANGLE := 1
-       else
-               msg := $(error No gnu/libc-version.h found, please install glibc-dev[el]/glibc-static);
-       endif
-else
-       # for linking with debug library, run like:
-       # make DEBUG=1 LIBDW_DIR=/opt/libdw/
-       ifdef LIBDW_DIR
-               LIBDW_CFLAGS  := -I$(LIBDW_DIR)/include
-               LIBDW_LDFLAGS := -L$(LIBDW_DIR)/lib
-       endif
-
-       FLAGS_DWARF=$(ALL_CFLAGS) $(LIBDW_CFLAGS) -ldw -lelf $(LIBDW_LDFLAGS) $(ALL_LDFLAGS) $(EXTLIBS)
-       ifneq ($(call try-cc,$(SOURCE_DWARF),$(FLAGS_DWARF),libdw),y)
-               msg := $(warning No libdw.h found or old libdw.h found or elfutils is older than 0.138, disables dwarf support. Please install new elfutils-devel/libdw-dev);
-               NO_DWARF := 1
-       endif # Dwarf support
-endif # SOURCE_LIBELF
-endif # NO_LIBELF
-
 # There's only x86 (both 32 and 64) support for CFI unwind so far
 ifneq ($(ARCH),x86)
        NO_LIBUNWIND := 1
@@ -553,13 +514,6 @@ BUILTIN_OBJS := $(filter-out $(OUTPUT)builtin-probe.o,$(BUILTIN_OBJS))
 LIB_OBJS += $(OUTPUT)util/symbol-minimal.o
 
 else # NO_LIBELF
-BASIC_CFLAGS += -DLIBELF_SUPPORT
-
-FLAGS_LIBELF=$(ALL_CFLAGS) $(ALL_LDFLAGS) $(EXTLIBS)
-ifeq ($(call try-cc,$(SOURCE_ELF_MMAP),$(FLAGS_LIBELF),-DLIBELF_MMAP),y)
-       BASIC_CFLAGS += -DLIBELF_MMAP
-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);

diff --git a/tools/perf/config/Makefile b/tools/perf/config/Makefile
index 8acbcfe..17614b1 100644 (file)
--- a/tools/perf/config/Makefile
+++ b/tools/perf/config/Makefile
@@ -108,3 +108,50 @@ ifeq ($(call try-cc,$(SOURCE_BIONIC),$(CFLAGS),bionic),y)
        EXTLIBS := $(filter-out -lpthread,$(EXTLIBS))
        BASIC_CFLAGS += -I.
 endif
+
+ifdef NO_LIBELF
+       NO_DWARF := 1
+       NO_DEMANGLE := 1
+       NO_LIBUNWIND := 1
+else
+FLAGS_LIBELF=$(ALL_CFLAGS) $(ALL_LDFLAGS) $(EXTLIBS)
+ifneq ($(call try-cc,$(SOURCE_LIBELF),$(FLAGS_LIBELF),libelf),y)
+       FLAGS_GLIBC=$(ALL_CFLAGS) $(ALL_LDFLAGS)
+       ifeq ($(call try-cc,$(SOURCE_GLIBC),$(FLAGS_GLIBC),glibc),y)
+               LIBC_SUPPORT := 1
+       endif
+       ifeq ($(BIONIC),1)
+               LIBC_SUPPORT := 1
+       endif
+       ifeq ($(LIBC_SUPPORT),1)
+               msg := $(warning No libelf found, disables 'probe' tool, please install elfutils-libelf-devel/libelf-dev);
+
+               NO_LIBELF := 1
+               NO_DWARF := 1
+               NO_DEMANGLE := 1
+       else
+               msg := $(error No gnu/libc-version.h found, please install glibc-dev[el]/glibc-static);
+       endif
+else
+       # for linking with debug library, run like:
+       # make DEBUG=1 LIBDW_DIR=/opt/libdw/
+       ifdef LIBDW_DIR
+               LIBDW_CFLAGS  := -I$(LIBDW_DIR)/include
+               LIBDW_LDFLAGS := -L$(LIBDW_DIR)/lib
+       endif
+
+       FLAGS_DWARF=$(ALL_CFLAGS) $(LIBDW_CFLAGS) -ldw -lelf $(LIBDW_LDFLAGS) $(ALL_LDFLAGS) $(EXTLIBS)
+       ifneq ($(call try-cc,$(SOURCE_DWARF),$(FLAGS_DWARF),libdw),y)
+               msg := $(warning No libdw.h found or old libdw.h found or elfutils is older than 0.138, disables dwarf support. Please install new elfutils-devel/libdw-dev);
+               NO_DWARF := 1
+       endif # Dwarf support
+endif # SOURCE_LIBELF
+endif # NO_LIBELF
+
+ifndef NO_LIBELF
+BASIC_CFLAGS += -DLIBELF_SUPPORT
+FLAGS_LIBELF=$(ALL_CFLAGS) $(ALL_LDFLAGS) $(EXTLIBS)
+ifeq ($(call try-cc,$(SOURCE_ELF_MMAP),$(FLAGS_LIBELF),-DLIBELF_MMAP),y)
+       BASIC_CFLAGS += -DLIBELF_MMAP
+endif
+endif # NO_LIBELF