0e433feb10
Moving libunwind 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/1369398928-9809-8-git-send-email-jolsa@redhat.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
200 lines
5.9 KiB
Makefile
200 lines
5.9 KiB
Makefile
uname_M := $(shell uname -m 2>/dev/null || echo not)
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ARCH ?= $(shell echo $(uname_M) | sed -e s/i.86/i386/ -e s/sun4u/sparc64/ \
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-e s/arm.*/arm/ -e s/sa110/arm/ \
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-e s/s390x/s390/ -e s/parisc64/parisc/ \
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-e s/ppc.*/powerpc/ -e s/mips.*/mips/ \
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-e s/sh[234].*/sh/ -e s/aarch64.*/arm64/ )
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NO_PERF_REGS := 1
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# Additional ARCH settings for x86
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ifeq ($(ARCH),i386)
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override ARCH := x86
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NO_PERF_REGS := 0
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LIBUNWIND_LIBS = -lunwind -lunwind-x86
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endif
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ifeq ($(ARCH),x86_64)
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override ARCH := x86
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IS_X86_64 := 0
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ifeq (, $(findstring m32,$(EXTRA_CFLAGS)))
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IS_X86_64 := $(shell echo __x86_64__ | ${CC} -E -x c - | tail -n 1)
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endif
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ifeq (${IS_X86_64}, 1)
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RAW_ARCH := x86_64
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ARCH_CFLAGS := -DARCH_X86_64
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ARCH_INCLUDE = ../../arch/x86/lib/memcpy_64.S ../../arch/x86/lib/memset_64.S
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endif
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NO_PERF_REGS := 0
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LIBUNWIND_LIBS = -lunwind -lunwind-x86_64
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endif
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ifeq ($(NO_PERF_REGS),0)
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BASIC_CFLAGS += -DHAVE_PERF_REGS
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endif
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-include config/feature-tests.mak
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ifeq ($(call get-executable,$(FLEX)),)
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dummy := $(error Error: $(FLEX) is missing on this system, please install it)
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endif
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ifeq ($(call get-executable,$(BISON)),)
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dummy := $(error Error: $(BISON) is missing on this system, please install it)
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endif
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# Treat warnings as errors unless directed not to
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ifneq ($(WERROR),0)
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CFLAGS_WERROR := -Werror
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endif
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ifeq ("$(origin DEBUG)", "command line")
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PERF_DEBUG = $(DEBUG)
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endif
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ifndef PERF_DEBUG
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CFLAGS_OPTIMIZE = -O6
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endif
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ifdef PARSER_DEBUG
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PARSER_DEBUG_BISON := -t
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PARSER_DEBUG_FLEX := -d
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PARSER_DEBUG_CFLAGS := -DPARSER_DEBUG
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endif
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CFLAGS = -fno-omit-frame-pointer -ggdb3 -funwind-tables -Wall -Wextra -std=gnu99 $(CFLAGS_WERROR) $(CFLAGS_OPTIMIZE) $(EXTRA_WARNINGS) $(EXTRA_CFLAGS) $(PARSER_DEBUG_CFLAGS)
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EXTLIBS = -lpthread -lrt -lelf -lm
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ALL_CFLAGS = $(CFLAGS) -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE
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ALL_LDFLAGS = $(LDFLAGS)
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ifeq ($(call try-cc,$(SOURCE_HELLO),$(CFLAGS) -Werror -fstack-protector-all,-fstack-protector-all),y)
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CFLAGS := $(CFLAGS) -fstack-protector-all
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endif
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ifeq ($(call try-cc,$(SOURCE_HELLO),$(CFLAGS) -Werror -Wstack-protector,-Wstack-protector),y)
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CFLAGS := $(CFLAGS) -Wstack-protector
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endif
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ifeq ($(call try-cc,$(SOURCE_HELLO),$(CFLAGS) -Werror -Wvolatile-register-var,-Wvolatile-register-var),y)
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CFLAGS := $(CFLAGS) -Wvolatile-register-var
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endif
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ifndef PERF_DEBUG
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ifeq ($(call try-cc,$(SOURCE_HELLO),$(CFLAGS) -D_FORTIFY_SOURCE=2,-D_FORTIFY_SOURCE=2),y)
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CFLAGS := $(CFLAGS) -D_FORTIFY_SOURCE=2
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endif
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endif
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BASIC_CFLAGS += \
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-Iutil/include \
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-Iarch/$(ARCH)/include \
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$(if $(objtree),-I$(objtree)/arch/$(ARCH)/include/generated/uapi) \
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-I$(srctree)/arch/$(ARCH)/include/uapi \
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-I$(srctree)/arch/$(ARCH)/include \
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$(if $(objtree),-I$(objtree)/include/generated/uapi) \
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-I$(srctree)/include/uapi \
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-I$(srctree)/include \
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-I$(OUTPUT)util \
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-Iutil \
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-I. \
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-I$(TRACE_EVENT_DIR) \
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-I../lib/ \
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-D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE
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BASIC_LDFLAGS =
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ifeq ($(call try-cc,$(SOURCE_BIONIC),$(CFLAGS),bionic),y)
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BIONIC := 1
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EXTLIBS := $(filter-out -lrt,$(EXTLIBS))
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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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# include ARCH specific config
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-include arch/$(ARCH)/Makefile
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ifndef NO_DWARF
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ifeq ($(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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NO_DWARF := 1
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else
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BASIC_CFLAGS := -DDWARF_SUPPORT $(LIBDW_CFLAGS) $(BASIC_CFLAGS)
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BASIC_LDFLAGS := $(LIBDW_LDFLAGS) $(BASIC_LDFLAGS)
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EXTLIBS += -lelf -ldw
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endif # PERF_HAVE_DWARF_REGS
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endif # NO_DWARF
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endif # NO_LIBELF
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# There's only x86 (both 32 and 64) support for CFI unwind so far
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ifneq ($(ARCH),x86)
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NO_LIBUNWIND := 1
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endif
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ifndef NO_LIBUNWIND
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# for linking with debug library, run like:
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# make DEBUG=1 LIBUNWIND_DIR=/opt/libunwind/
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ifdef LIBUNWIND_DIR
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LIBUNWIND_CFLAGS := -I$(LIBUNWIND_DIR)/include
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LIBUNWIND_LDFLAGS := -L$(LIBUNWIND_DIR)/lib
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endif
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FLAGS_UNWIND=$(LIBUNWIND_CFLAGS) $(ALL_CFLAGS) $(LIBUNWIND_LDFLAGS) $(ALL_LDFLAGS) $(EXTLIBS) $(LIBUNWIND_LIBS)
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ifneq ($(call try-cc,$(SOURCE_LIBUNWIND),$(FLAGS_UNWIND),libunwind),y)
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msg := $(warning No libunwind found, disabling post unwind support. Please install libunwind-dev[el] >= 0.99);
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NO_LIBUNWIND := 1
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endif # Libunwind support
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endif # NO_LIBUNWIND
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ifndef NO_LIBUNWIND
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BASIC_CFLAGS += -DLIBUNWIND_SUPPORT
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EXTLIBS += $(LIBUNWIND_LIBS)
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BASIC_CFLAGS := $(LIBUNWIND_CFLAGS) $(BASIC_CFLAGS)
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BASIC_LDFLAGS := $(LIBUNWIND_LDFLAGS) $(BASIC_LDFLAGS)
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endif # NO_LIBUNWIND
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