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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>
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@ -473,45 +473,6 @@ ifneq ($(MAKECMDGOALS),tags)
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# because maintaining the nesting to match is a pain. If
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# we had "elif" things would have been much nicer...
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ifdef NO_LIBELF
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NO_DWARF := 1
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NO_DEMANGLE := 1
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NO_LIBUNWIND := 1
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else
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FLAGS_LIBELF=$(ALL_CFLAGS) $(ALL_LDFLAGS) $(EXTLIBS)
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ifneq ($(call try-cc,$(SOURCE_LIBELF),$(FLAGS_LIBELF),libelf),y)
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FLAGS_GLIBC=$(ALL_CFLAGS) $(ALL_LDFLAGS)
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ifeq ($(call try-cc,$(SOURCE_GLIBC),$(FLAGS_GLIBC),glibc),y)
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LIBC_SUPPORT := 1
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endif
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ifeq ($(BIONIC),1)
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LIBC_SUPPORT := 1
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endif
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ifeq ($(LIBC_SUPPORT),1)
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msg := $(warning No libelf found, disables 'probe' tool, please install elfutils-libelf-devel/libelf-dev);
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NO_LIBELF := 1
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NO_DWARF := 1
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NO_DEMANGLE := 1
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else
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msg := $(error No gnu/libc-version.h found, please install glibc-dev[el]/glibc-static);
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endif
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else
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# for linking with debug library, run like:
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# make DEBUG=1 LIBDW_DIR=/opt/libdw/
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ifdef LIBDW_DIR
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LIBDW_CFLAGS := -I$(LIBDW_DIR)/include
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LIBDW_LDFLAGS := -L$(LIBDW_DIR)/lib
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endif
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FLAGS_DWARF=$(ALL_CFLAGS) $(LIBDW_CFLAGS) -ldw -lelf $(LIBDW_LDFLAGS) $(ALL_LDFLAGS) $(EXTLIBS)
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ifneq ($(call try-cc,$(SOURCE_DWARF),$(FLAGS_DWARF),libdw),y)
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msg := $(warning No libdw.h found or old libdw.h found or elfutils is older than 0.138, disables dwarf support. Please install new elfutils-devel/libdw-dev);
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NO_DWARF := 1
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endif # Dwarf support
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endif # SOURCE_LIBELF
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endif # NO_LIBELF
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# There's only x86 (both 32 and 64) support for CFI unwind so far
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ifneq ($(ARCH),x86)
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NO_LIBUNWIND := 1
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@ -553,13 +514,6 @@ BUILTIN_OBJS := $(filter-out $(OUTPUT)builtin-probe.o,$(BUILTIN_OBJS))
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LIB_OBJS += $(OUTPUT)util/symbol-minimal.o
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else # NO_LIBELF
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BASIC_CFLAGS += -DLIBELF_SUPPORT
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FLAGS_LIBELF=$(ALL_CFLAGS) $(ALL_LDFLAGS) $(EXTLIBS)
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ifeq ($(call try-cc,$(SOURCE_ELF_MMAP),$(FLAGS_LIBELF),-DLIBELF_MMAP),y)
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BASIC_CFLAGS += -DLIBELF_MMAP
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endif
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ifndef NO_DWARF
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ifeq ($(origin PERF_HAVE_DWARF_REGS), undefined)
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msg := $(warning DWARF register mappings have not been defined for architecture $(ARCH), DWARF support disabled);
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@ -108,3 +108,50 @@ ifeq ($(call try-cc,$(SOURCE_BIONIC),$(CFLAGS),bionic),y)
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EXTLIBS := $(filter-out -lpthread,$(EXTLIBS))
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BASIC_CFLAGS += -I.
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endif
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ifdef NO_LIBELF
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NO_DWARF := 1
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NO_DEMANGLE := 1
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NO_LIBUNWIND := 1
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else
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FLAGS_LIBELF=$(ALL_CFLAGS) $(ALL_LDFLAGS) $(EXTLIBS)
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ifneq ($(call try-cc,$(SOURCE_LIBELF),$(FLAGS_LIBELF),libelf),y)
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FLAGS_GLIBC=$(ALL_CFLAGS) $(ALL_LDFLAGS)
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ifeq ($(call try-cc,$(SOURCE_GLIBC),$(FLAGS_GLIBC),glibc),y)
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LIBC_SUPPORT := 1
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endif
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ifeq ($(BIONIC),1)
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LIBC_SUPPORT := 1
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endif
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ifeq ($(LIBC_SUPPORT),1)
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msg := $(warning No libelf found, disables 'probe' tool, please install elfutils-libelf-devel/libelf-dev);
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NO_LIBELF := 1
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NO_DWARF := 1
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NO_DEMANGLE := 1
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else
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msg := $(error No gnu/libc-version.h found, please install glibc-dev[el]/glibc-static);
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endif
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else
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# for linking with debug library, run like:
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# make DEBUG=1 LIBDW_DIR=/opt/libdw/
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ifdef LIBDW_DIR
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LIBDW_CFLAGS := -I$(LIBDW_DIR)/include
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LIBDW_LDFLAGS := -L$(LIBDW_DIR)/lib
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endif
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FLAGS_DWARF=$(ALL_CFLAGS) $(LIBDW_CFLAGS) -ldw -lelf $(LIBDW_LDFLAGS) $(ALL_LDFLAGS) $(EXTLIBS)
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ifneq ($(call try-cc,$(SOURCE_DWARF),$(FLAGS_DWARF),libdw),y)
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msg := $(warning No libdw.h found or old libdw.h found or elfutils is older than 0.138, disables dwarf support. Please install new elfutils-devel/libdw-dev);
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NO_DWARF := 1
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endif # Dwarf support
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endif # SOURCE_LIBELF
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endif # NO_LIBELF
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ifndef NO_LIBELF
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BASIC_CFLAGS += -DLIBELF_SUPPORT
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FLAGS_LIBELF=$(ALL_CFLAGS) $(ALL_LDFLAGS) $(EXTLIBS)
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ifeq ($(call try-cc,$(SOURCE_ELF_MMAP),$(FLAGS_LIBELF),-DLIBELF_MMAP),y)
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BASIC_CFLAGS += -DLIBELF_MMAP
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endif
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endif # NO_LIBELF
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