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linux_dsm_epyc7002/tools/perf/Makefile.config
Arnaldo Carvalho de Melo 8bd8c65333 tools perf scripting python: clang doesn't have -spec, remove it 
Gcc has a -spec option to override what options to pass to cc, etc, and
in some distros this is used, like in fedora, where we end up getting
this passed to gcc that makes clang, that doesn't have this option to
stop the build:

  CC       /tmp/build/perf/util/scripting-engines/trace-event-python.o
clang-4.0: error: argument unused during compilation: '-specs=/usr/lib/rpm/redhat/redhat-hardened-cc1' [-Werror,-Wunused-command-line-argument]

So filter this out when the compiler used is clang, this way we
can build the python scripting support in tools/perf/.

Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/n/tip-2gosxoiouf24pnlknp7w7q4z@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2017-02-17 10:31:13 -03:00

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ifeq ($(src-perf),)
src-perf := $(srctree)/tools/perf
endif
ifeq ($(obj-perf),)
obj-perf := $(OUTPUT)
endif
ifneq ($(obj-perf),)
obj-perf := $(abspath $(obj-perf))/
endif
$(shell printf "" > $(OUTPUT).config-detected)
detected = $(shell echo "$(1)=y" >> $(OUTPUT).config-detected)
detected_var = $(shell echo "$(1)=$($(1))" >> $(OUTPUT).config-detected)
CFLAGS := $(EXTRA_CFLAGS) $(EXTRA_WARNINGS)
include $(srctree)/tools/scripts/Makefile.arch
$(call detected_var,ARCH)
NO_PERF_REGS := 1
# Additional ARCH settings for ppc
ifeq ($(ARCH),powerpc)
NO_PERF_REGS := 0
LIBUNWIND_LIBS := -lunwind -lunwind-ppc64
endif
# Additional ARCH settings for x86
ifeq ($(ARCH),x86)
$(call detected,CONFIG_X86)
ifeq (${IS_64_BIT}, 1)
CFLAGS += -DHAVE_ARCH_X86_64_SUPPORT -DHAVE_SYSCALL_TABLE -I$(OUTPUT)arch/x86/include/generated
ARCH_INCLUDE = ../../arch/x86/lib/memcpy_64.S ../../arch/x86/lib/memset_64.S
LIBUNWIND_LIBS = -lunwind -lunwind-x86_64
$(call detected,CONFIG_X86_64)
else
LIBUNWIND_LIBS = -lunwind-x86 -llzma -lunwind
endif
NO_PERF_REGS := 0
endif
ifeq ($(ARCH),arm)
NO_PERF_REGS := 0
LIBUNWIND_LIBS = -lunwind -lunwind-arm
endif
ifeq ($(ARCH),arm64)
NO_PERF_REGS := 0
LIBUNWIND_LIBS = -lunwind -lunwind-aarch64
endif
ifeq ($(NO_PERF_REGS),0)
$(call detected,CONFIG_PERF_REGS)
endif
# So far there's only x86 and arm libdw unwind support merged in perf.
# Disable it on all other architectures in case libdw unwind
# support is detected in system. Add supported architectures
# to the check.
ifneq ($(ARCH),$(filter $(ARCH),x86 arm))
NO_LIBDW_DWARF_UNWIND := 1
endif
ifeq ($(LIBUNWIND_LIBS),)
NO_LIBUNWIND := 1
endif
#
# For linking with debug library, run like:
#
# make DEBUG=1 LIBUNWIND_DIR=/opt/libunwind/
#
libunwind_arch_set_flags = $(eval $(libunwind_arch_set_flags_code))
define libunwind_arch_set_flags_code
FEATURE_CHECK_CFLAGS-libunwind-$(1) = -I$(LIBUNWIND_DIR)/include
FEATURE_CHECK_LDFLAGS-libunwind-$(1) = -L$(LIBUNWIND_DIR)/lib
endef
ifdef LIBUNWIND_DIR
LIBUNWIND_CFLAGS = -I$(LIBUNWIND_DIR)/include
LIBUNWIND_LDFLAGS = -L$(LIBUNWIND_DIR)/lib
LIBUNWIND_ARCHS = x86 x86_64 arm aarch64 debug-frame-arm debug-frame-aarch64
$(foreach libunwind_arch,$(LIBUNWIND_ARCHS),$(call libunwind_arch_set_flags,$(libunwind_arch)))
endif
# Set per-feature check compilation flags
FEATURE_CHECK_CFLAGS-libunwind = $(LIBUNWIND_CFLAGS)
FEATURE_CHECK_LDFLAGS-libunwind = $(LIBUNWIND_LDFLAGS) $(LIBUNWIND_LIBS)
FEATURE_CHECK_CFLAGS-libunwind-debug-frame = $(LIBUNWIND_CFLAGS)
FEATURE_CHECK_LDFLAGS-libunwind-debug-frame = $(LIBUNWIND_LDFLAGS) $(LIBUNWIND_LIBS)
ifeq ($(NO_PERF_REGS),0)
CFLAGS += -DHAVE_PERF_REGS_SUPPORT
endif
# 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
FEATURE_CHECK_CFLAGS-libdw-dwarf-unwind := $(LIBDW_CFLAGS)
FEATURE_CHECK_LDFLAGS-libdw-dwarf-unwind := $(LIBDW_LDFLAGS) -ldw
# for linking with debug library, run like:
# make DEBUG=1 LIBBABELTRACE_DIR=/opt/libbabeltrace/
ifdef LIBBABELTRACE_DIR
LIBBABELTRACE_CFLAGS := -I$(LIBBABELTRACE_DIR)/include
LIBBABELTRACE_LDFLAGS := -L$(LIBBABELTRACE_DIR)/lib
endif
FEATURE_CHECK_CFLAGS-libbabeltrace := $(LIBBABELTRACE_CFLAGS)
FEATURE_CHECK_LDFLAGS-libbabeltrace := $(LIBBABELTRACE_LDFLAGS) -lbabeltrace-ctf
FEATURE_CHECK_CFLAGS-bpf = -I. -I$(srctree)/tools/include -I$(srctree)/tools/arch/$(ARCH)/include/uapi -I$(srctree)/tools/include/uapi
# include ARCH specific config
-include $(src-perf)/arch/$(ARCH)/Makefile
ifdef PERF_HAVE_ARCH_REGS_QUERY_REGISTER_OFFSET
CFLAGS += -DHAVE_ARCH_REGS_QUERY_REGISTER_OFFSET
endif
include $(srctree)/tools/scripts/utilities.mak
ifeq ($(call get-executable,$(FLEX)),)
dummy := $(error Error: $(FLEX) is missing on this system, please install it)
endif
ifeq ($(call get-executable,$(BISON)),)
dummy := $(error Error: $(BISON) is missing on this system, please install it)
endif
# Treat warnings as errors unless directed not to
ifneq ($(WERROR),0)
CFLAGS += -Werror
CXXFLAGS += -Werror
endif
ifndef DEBUG
DEBUG := 0
endif
ifeq ($(DEBUG),0)
ifeq ($(CC), clang)
CFLAGS += -O3
else
CFLAGS += -O6
endif
endif
ifdef PARSER_DEBUG
PARSER_DEBUG_BISON := -t
PARSER_DEBUG_FLEX := -d
CFLAGS += -DPARSER_DEBUG
$(call detected_var,PARSER_DEBUG_BISON)
$(call detected_var,PARSER_DEBUG_FLEX)
endif
# Try different combinations to accommodate systems that only have
# python[2][-config] in weird combinations but always preferring
# python2 and python2-config as per pep-0394. If we catch a
# python[-config] in version 3, the version check will kill it.
PYTHON2 := $(if $(call get-executable,python2),python2,python)
override PYTHON := $(call get-executable-or-default,PYTHON,$(PYTHON2))
PYTHON2_CONFIG := \
$(if $(call get-executable,$(PYTHON)-config),$(PYTHON)-config,python-config)
override PYTHON_CONFIG := \
$(call get-executable-or-default,PYTHON_CONFIG,$(PYTHON2_CONFIG))
PYTHON_CONFIG_SQ := $(call shell-sq,$(PYTHON_CONFIG))
PYTHON_EMBED_LDOPTS := $(shell $(PYTHON_CONFIG_SQ) --ldflags 2>/dev/null)
PYTHON_EMBED_CCOPTS := $(shell $(PYTHON_CONFIG_SQ) --cflags 2>/dev/null)
ifeq ($(CC), clang)
PYTHON_EMBED_CCOPTS := $(filter-out -specs=%,$(PYTHON_EMBED_CCOPTS))
endif
FEATURE_CHECK_CFLAGS-libpython := $(PYTHON_EMBED_CCOPTS)
FEATURE_CHECK_LDFLAGS-libpython := $(PYTHON_EMBED_LDOPTS)
FEATURE_CHECK_CFLAGS-libpython-version := $(PYTHON_EMBED_CCOPTS)
FEATURE_CHECK_LDFLAGS-libpython-version := $(PYTHON_EMBED_LDOPTS)
CFLAGS += -fno-omit-frame-pointer
CFLAGS += -ggdb3
CFLAGS += -funwind-tables
CFLAGS += -Wall
CFLAGS += -Wextra
CFLAGS += -std=gnu99
CXXFLAGS += -std=gnu++11 -fno-exceptions -fno-rtti
CXXFLAGS += -Wall
CXXFLAGS += -fno-omit-frame-pointer
CXXFLAGS += -ggdb3
CXXFLAGS += -funwind-tables
CXXFLAGS += -Wno-strict-aliasing
# Enforce a non-executable stack, as we may regress (again) in the future by
# adding assembler files missing the .GNU-stack linker note.
LDFLAGS += -Wl,-z,noexecstack
EXTLIBS = -lpthread -lrt -lm -ldl
ifeq ($(FEATURES_DUMP),)
include $(srctree)/tools/build/Makefile.feature
else
include $(FEATURES_DUMP)
endif
ifeq ($(feature-stackprotector-all), 1)
CFLAGS += -fstack-protector-all
endif
ifeq ($(DEBUG),0)
ifeq ($(feature-fortify-source), 1)
CFLAGS += -D_FORTIFY_SOURCE=2
endif
endif
INC_FLAGS += -I$(src-perf)/util/include
INC_FLAGS += -I$(src-perf)/arch/$(ARCH)/include
INC_FLAGS += -I$(srctree)/tools/include/uapi
INC_FLAGS += -I$(srctree)/tools/include/
INC_FLAGS += -I$(srctree)/tools/arch/$(ARCH)/include/uapi
INC_FLAGS += -I$(srctree)/tools/arch/$(ARCH)/include/
INC_FLAGS += -I$(srctree)/tools/arch/$(ARCH)/
# $(obj-perf) for generated common-cmds.h
# $(obj-perf)/util for generated bison/flex headers
ifneq ($(OUTPUT),)
INC_FLAGS += -I$(obj-perf)/util
INC_FLAGS += -I$(obj-perf)
endif
INC_FLAGS += -I$(src-perf)/util
INC_FLAGS += -I$(src-perf)
INC_FLAGS += -I$(srctree)/tools/lib/
CFLAGS += $(INC_FLAGS)
CXXFLAGS += $(INC_FLAGS)
CFLAGS += -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE
ifeq ($(feature-sync-compare-and-swap), 1)
CFLAGS += -DHAVE_SYNC_COMPARE_AND_SWAP_SUPPORT
endif
ifeq ($(feature-pthread-attr-setaffinity-np), 1)
CFLAGS += -DHAVE_PTHREAD_ATTR_SETAFFINITY_NP
endif
ifndef NO_BIONIC
$(call feature_check,bionic)
ifeq ($(feature-bionic), 1)
BIONIC := 1
EXTLIBS := $(filter-out -lrt,$(EXTLIBS))
EXTLIBS := $(filter-out -lpthread,$(EXTLIBS))
endif
endif
ifdef NO_LIBELF
NO_DWARF := 1
NO_DEMANGLE := 1
NO_LIBUNWIND := 1
NO_LIBDW_DWARF_UNWIND := 1
NO_LIBBPF := 1
else
ifeq ($(feature-libelf), 0)
ifeq ($(feature-glibc), 1)
LIBC_SUPPORT := 1
endif
ifeq ($(BIONIC),1)
LIBC_SUPPORT := 1
endif
ifeq ($(LIBC_SUPPORT),1)
msg := $(warning No libelf found, disables 'probe' tool and BPF support in 'perf record', please install libelf-dev, libelf-devel or elfutils-libelf-devel);
NO_LIBELF := 1
NO_DWARF := 1
NO_DEMANGLE := 1
NO_LIBUNWIND := 1
NO_LIBDW_DWARF_UNWIND := 1
NO_LIBBPF := 1
else
ifneq ($(filter s% -static%,$(LDFLAGS),),)
msg := $(error No static glibc found, please install glibc-static);
else
msg := $(error No gnu/libc-version.h found, please install glibc-dev[el]);
endif
endif
else
ifndef NO_LIBDW_DWARF_UNWIND
ifneq ($(feature-libdw-dwarf-unwind),1)
NO_LIBDW_DWARF_UNWIND := 1
msg := $(warning No libdw DWARF unwind found, Please install elfutils-devel/libdw-dev >= 0.158 and/or set LIBDW_DIR);
endif
endif
ifneq ($(feature-dwarf), 1)
ifndef NO_DWARF
msg := $(warning No libdw.h found or old libdw.h found or elfutils is older than 0.138, disables dwarf support. Please install new elfutils-devel/libdw-dev);
NO_DWARF := 1
endif
else
ifneq ($(feature-dwarf_getlocations), 1)
msg := $(warning Old libdw.h, finding variables at given 'perf probe' point will not work, install elfutils-devel/libdw-dev >= 0.157);
else
CFLAGS += -DHAVE_DWARF_GETLOCATIONS
endif # dwarf_getlocations
endif # Dwarf support
endif # libelf support
endif # NO_LIBELF
ifdef NO_DWARF
NO_LIBDW_DWARF_UNWIND := 1
endif
ifndef NO_LIBELF
CFLAGS += -DHAVE_LIBELF_SUPPORT
EXTLIBS += -lelf
$(call detected,CONFIG_LIBELF)
ifeq ($(feature-libelf-mmap), 1)
CFLAGS += -DHAVE_LIBELF_MMAP_SUPPORT
endif
ifeq ($(feature-libelf-getphdrnum), 1)
CFLAGS += -DHAVE_ELF_GETPHDRNUM_SUPPORT
endif
ifeq ($(feature-libelf-gelf_getnote), 1)
CFLAGS += -DHAVE_GELF_GETNOTE_SUPPORT
else
msg := $(warning gelf_getnote() not found on libelf, SDT support disabled);
endif
ifeq ($(feature-libelf-getshdrstrndx), 1)
CFLAGS += -DHAVE_ELF_GETSHDRSTRNDX_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 += $(LIBDW_LDFLAGS)
DWARFLIBS := -ldw
ifeq ($(findstring -static,${LDFLAGS}),-static)
DWARFLIBS += -lelf -lebl -lz -llzma -lbz2
endif
EXTLIBS += ${DWARFLIBS}
$(call detected,CONFIG_DWARF)
endif # PERF_HAVE_DWARF_REGS
endif # NO_DWARF
ifndef NO_LIBBPF
ifeq ($(feature-bpf), 1)
CFLAGS += -DHAVE_LIBBPF_SUPPORT
$(call detected,CONFIG_LIBBPF)
endif
ifndef NO_DWARF
ifdef PERF_HAVE_ARCH_REGS_QUERY_REGISTER_OFFSET
CFLAGS += -DHAVE_BPF_PROLOGUE
$(call detected,CONFIG_BPF_PROLOGUE)
else
msg := $(warning BPF prologue is not supported by architecture $(ARCH), missing regs_query_register_offset());
endif
else
msg := $(warning DWARF support is off, BPF prologue is disabled);
endif
endif # NO_LIBBPF
endif # NO_LIBELF
ifndef NO_SDT
ifneq ($(feature-sdt), 1)
msg := $(warning No sys/sdt.h found, no SDT events are defined, please install systemtap-sdt-devel or systemtap-sdt-dev);
NO_SDT := 1;
else
CFLAGS += -DHAVE_SDT_EVENT
$(call detected,CONFIG_SDT_EVENT)
endif
endif
ifdef PERF_HAVE_JITDUMP
ifndef NO_LIBELF
$(call detected,CONFIG_JITDUMP)
CFLAGS += -DHAVE_JITDUMP
endif
endif
ifeq ($(ARCH),powerpc)
ifndef NO_DWARF
CFLAGS += -DHAVE_SKIP_CALLCHAIN_IDX
endif
endif
ifndef NO_LIBUNWIND
have_libunwind :=
ifeq ($(feature-libunwind-x86), 1)
$(call detected,CONFIG_LIBUNWIND_X86)
CFLAGS += -DHAVE_LIBUNWIND_X86_SUPPORT
LDFLAGS += -lunwind-x86
EXTLIBS_LIBUNWIND += -lunwind-x86
have_libunwind = 1
endif
ifeq ($(feature-libunwind-aarch64), 1)
$(call detected,CONFIG_LIBUNWIND_AARCH64)
CFLAGS += -DHAVE_LIBUNWIND_AARCH64_SUPPORT
LDFLAGS += -lunwind-aarch64
EXTLIBS_LIBUNWIND += -lunwind-aarch64
have_libunwind = 1
$(call feature_check,libunwind-debug-frame-aarch64)
ifneq ($(feature-libunwind-debug-frame-aarch64), 1)
msg := $(warning No debug_frame support found in libunwind-aarch64);
CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME_AARCH64
endif
endif
ifneq ($(feature-libunwind), 1)
msg := $(warning No libunwind found. Please install libunwind-dev[el] >= 1.1 and/or set LIBUNWIND_DIR);
NO_LOCAL_LIBUNWIND := 1
else
have_libunwind := 1
$(call detected,CONFIG_LOCAL_LIBUNWIND)
endif
ifneq ($(have_libunwind), 1)
NO_LIBUNWIND := 1
endif
else
NO_LOCAL_LIBUNWIND := 1
endif
ifndef NO_LIBBPF
ifneq ($(feature-bpf), 1)
msg := $(warning BPF API too old. Please install recent kernel headers. BPF support in 'perf record' is disabled.)
NO_LIBBPF := 1
endif
endif
dwarf-post-unwind := 1
dwarf-post-unwind-text := BUG
# setup DWARF post unwinder
ifdef NO_LIBUNWIND
ifdef NO_LIBDW_DWARF_UNWIND
msg := $(warning Disabling post unwind, no support found.);
dwarf-post-unwind := 0
else
dwarf-post-unwind-text := libdw
$(call detected,CONFIG_LIBDW_DWARF_UNWIND)
endif
else
dwarf-post-unwind-text := libunwind
$(call detected,CONFIG_LIBUNWIND)
# Enable libunwind support by default.
ifndef NO_LIBDW_DWARF_UNWIND
NO_LIBDW_DWARF_UNWIND := 1
endif
endif
ifeq ($(dwarf-post-unwind),1)
CFLAGS += -DHAVE_DWARF_UNWIND_SUPPORT
$(call detected,CONFIG_DWARF_UNWIND)
else
NO_DWARF_UNWIND := 1
endif
ifndef NO_LOCAL_LIBUNWIND
ifeq ($(ARCH),$(filter $(ARCH),arm arm64))
$(call feature_check,libunwind-debug-frame)
ifneq ($(feature-libunwind-debug-frame), 1)
msg := $(warning No debug_frame support found in libunwind);
CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME
endif
else
# non-ARM has no dwarf_find_debug_frame() function:
CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME
endif
EXTLIBS += $(LIBUNWIND_LIBS)
LDFLAGS += $(LIBUNWIND_LIBS)
endif
ifndef NO_LIBUNWIND
CFLAGS += -DHAVE_LIBUNWIND_SUPPORT
CFLAGS += $(LIBUNWIND_CFLAGS)
LDFLAGS += $(LIBUNWIND_LDFLAGS)
EXTLIBS += $(EXTLIBS_LIBUNWIND)
endif
ifndef NO_LIBAUDIT
ifneq ($(feature-libaudit), 1)
msg := $(warning No libaudit.h found, disables 'trace' tool, please install audit-libs-devel or libaudit-dev);
NO_LIBAUDIT := 1
else
CFLAGS += -DHAVE_LIBAUDIT_SUPPORT
EXTLIBS += -laudit
$(call detected,CONFIG_AUDIT)
endif
endif
ifndef NO_LIBCRYPTO
ifneq ($(feature-libcrypto), 1)
msg := $(warning No libcrypto.h found, disables jitted code injection, please install libssl-devel or libssl-dev);
NO_LIBCRYPTO := 1
else
CFLAGS += -DHAVE_LIBCRYPTO_SUPPORT
EXTLIBS += -lcrypto
$(call detected,CONFIG_CRYPTO)
endif
endif
ifdef NO_NEWT
NO_SLANG=1
endif
ifndef NO_SLANG
ifneq ($(feature-libslang), 1)
msg := $(warning slang not found, disables TUI support. Please install slang-devel, libslang-dev or libslang2-dev);
NO_SLANG := 1
else
# Fedora has /usr/include/slang/slang.h, but ubuntu /usr/include/slang.h
CFLAGS += -I/usr/include/slang
CFLAGS += -DHAVE_SLANG_SUPPORT
EXTLIBS += -lslang
$(call detected,CONFIG_SLANG)
endif
endif
ifndef NO_GTK2
FLAGS_GTK2=$(CFLAGS) $(LDFLAGS) $(EXTLIBS) $(shell $(PKG_CONFIG) --libs --cflags gtk+-2.0 2>/dev/null)
ifneq ($(feature-gtk2), 1)
msg := $(warning GTK2 not found, disables GTK2 support. Please install gtk2-devel or libgtk2.0-dev);
NO_GTK2 := 1
else
ifeq ($(feature-gtk2-infobar), 1)
GTK_CFLAGS := -DHAVE_GTK_INFO_BAR_SUPPORT
endif
CFLAGS += -DHAVE_GTK2_SUPPORT
GTK_CFLAGS += $(shell $(PKG_CONFIG) --cflags gtk+-2.0 2>/dev/null)
GTK_LIBS := $(shell $(PKG_CONFIG) --libs gtk+-2.0 2>/dev/null)
EXTLIBS += -ldl
endif
endif
grep-libs = $(filter -l%,$(1))
strip-libs = $(filter-out -l%,$(1))
ifdef NO_LIBPERL
CFLAGS += -DNO_LIBPERL
else
PERL_EMBED_LDOPTS = $(shell perl -MExtUtils::Embed -e ldopts 2>/dev/null)
PERL_EMBED_LDFLAGS = $(call strip-libs,$(PERL_EMBED_LDOPTS))
PERL_EMBED_LIBADD = $(call grep-libs,$(PERL_EMBED_LDOPTS))
PERL_EMBED_CCOPTS = `perl -MExtUtils::Embed -e ccopts 2>/dev/null`
FLAGS_PERL_EMBED=$(PERL_EMBED_CCOPTS) $(PERL_EMBED_LDOPTS)
ifneq ($(feature-libperl), 1)
CFLAGS += -DNO_LIBPERL
NO_LIBPERL := 1
msg := $(warning Missing perl devel files. Disabling perl scripting support, please install perl-ExtUtils-Embed/libperl-dev);
else
LDFLAGS += $(PERL_EMBED_LDFLAGS)
EXTLIBS += $(PERL_EMBED_LIBADD)
$(call detected,CONFIG_LIBPERL)
endif
endif
ifeq ($(feature-timerfd), 1)
CFLAGS += -DHAVE_TIMERFD_SUPPORT
else
msg := $(warning No timerfd support. Disables 'perf kvm stat live');
endif
disable-python = $(eval $(disable-python_code))
define disable-python_code
CFLAGS += -DNO_LIBPYTHON
$(warning $1)
NO_LIBPYTHON := 1
endef
ifdef NO_LIBPYTHON
$(call disable-python,Python support disabled by user)
else
ifndef PYTHON
$(call disable-python,No python interpreter was found: disables Python support - please install python-devel/python-dev)
else
PYTHON_WORD := $(call shell-wordify,$(PYTHON))
ifndef PYTHON_CONFIG
$(call disable-python,No 'python-config' tool was found: disables Python support - please install python-devel/python-dev)
else
PYTHON_CONFIG_SQ := $(call shell-sq,$(PYTHON_CONFIG))
PYTHON_EMBED_LDOPTS := $(shell $(PYTHON_CONFIG_SQ) --ldflags 2>/dev/null)
PYTHON_EMBED_LDFLAGS := $(call strip-libs,$(PYTHON_EMBED_LDOPTS))
PYTHON_EMBED_LIBADD := $(call grep-libs,$(PYTHON_EMBED_LDOPTS)) -lutil
PYTHON_EMBED_CCOPTS := $(shell $(PYTHON_CONFIG_SQ) --cflags 2>/dev/null)
ifeq ($(CC), clang)
PYTHON_EMBED_CCOPTS := $(filter-out -specs=%,$(PYTHON_EMBED_CCOPTS))
endif
FLAGS_PYTHON_EMBED := $(PYTHON_EMBED_CCOPTS) $(PYTHON_EMBED_LDOPTS)
ifneq ($(feature-libpython), 1)
$(call disable-python,No 'Python.h' (for Python 2.x support) was found: disables Python support - please install python-devel/python-dev)
else
ifneq ($(feature-libpython-version), 1)
$(warning Python 3 is not yet supported; please set)
$(warning PYTHON and/or PYTHON_CONFIG appropriately.)
$(warning If you also have Python 2 installed, then)
$(warning try something like:)
$(warning $(and ,))
$(warning $(and ,) make PYTHON=python2)
$(warning $(and ,))
$(warning Otherwise, disable Python support entirely:)
$(warning $(and ,))
$(warning $(and ,) make NO_LIBPYTHON=1)
$(warning $(and ,))
$(error $(and ,))
else
LDFLAGS += $(PYTHON_EMBED_LDFLAGS)
EXTLIBS += $(PYTHON_EMBED_LIBADD)
LANG_BINDINGS += $(obj-perf)python/perf.so
$(call detected,CONFIG_LIBPYTHON)
endif
endif
endif
endif
endif
ifeq ($(feature-libbfd), 1)
EXTLIBS += -lbfd
# call all detections now so we get correct
# status in VF output
$(call feature_check,liberty)
$(call feature_check,liberty-z)
$(call feature_check,cplus-demangle)
ifeq ($(feature-liberty), 1)
EXTLIBS += -liberty
else
ifeq ($(feature-liberty-z), 1)
EXTLIBS += -liberty -lz
endif
endif
endif
ifdef NO_DEMANGLE
CFLAGS += -DNO_DEMANGLE
else
ifdef HAVE_CPLUS_DEMANGLE_SUPPORT
EXTLIBS += -liberty
CFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT
else
ifneq ($(feature-libbfd), 1)
ifneq ($(feature-liberty), 1)
ifneq ($(feature-liberty-z), 1)
# we dont have neither HAVE_CPLUS_DEMANGLE_SUPPORT
# or any of 'bfd iberty z' trinity
ifeq ($(feature-cplus-demangle), 1)
EXTLIBS += -liberty
CFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT
else
msg := $(warning No bfd.h/libbfd found, please install binutils-dev[el]/zlib-static/libiberty-dev to gain symbol demangling)
CFLAGS += -DNO_DEMANGLE
endif
endif
endif
endif
endif
endif
ifneq ($(filter -lbfd,$(EXTLIBS)),)
CFLAGS += -DHAVE_LIBBFD_SUPPORT
endif
ifndef NO_ZLIB
ifeq ($(feature-zlib), 1)
CFLAGS += -DHAVE_ZLIB_SUPPORT
EXTLIBS += -lz
$(call detected,CONFIG_ZLIB)
else
NO_ZLIB := 1
endif
endif
ifndef NO_LZMA
ifeq ($(feature-lzma), 1)
CFLAGS += -DHAVE_LZMA_SUPPORT
EXTLIBS += -llzma
$(call detected,CONFIG_LZMA)
else
msg := $(warning No liblzma found, disables xz kernel module decompression, please install xz-devel/liblzma-dev);
NO_LZMA := 1
endif
endif
ifndef NO_BACKTRACE
ifeq ($(feature-backtrace), 1)
CFLAGS += -DHAVE_BACKTRACE_SUPPORT
endif
endif
ifndef NO_LIBNUMA
ifeq ($(feature-libnuma), 0)
msg := $(warning No numa.h found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev);
NO_LIBNUMA := 1
else
ifeq ($(feature-numa_num_possible_cpus), 0)
msg := $(warning Old numa library found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev >= 2.0.8);
NO_LIBNUMA := 1
else
CFLAGS += -DHAVE_LIBNUMA_SUPPORT
EXTLIBS += -lnuma
$(call detected,CONFIG_NUMA)
endif
endif
endif
ifdef HAVE_KVM_STAT_SUPPORT
CFLAGS += -DHAVE_KVM_STAT_SUPPORT
endif
ifeq (${IS_64_BIT}, 1)
ifndef NO_PERF_READ_VDSO32
$(call feature_check,compile-32)
ifeq ($(feature-compile-32), 1)
CFLAGS += -DHAVE_PERF_READ_VDSO32
else
NO_PERF_READ_VDSO32 := 1
endif
endif
ifneq ($(ARCH), x86)
NO_PERF_READ_VDSOX32 := 1
endif
ifndef NO_PERF_READ_VDSOX32
$(call feature_check,compile-x32)
ifeq ($(feature-compile-x32), 1)
CFLAGS += -DHAVE_PERF_READ_VDSOX32
else
NO_PERF_READ_VDSOX32 := 1
endif
endif
else
NO_PERF_READ_VDSO32 := 1
NO_PERF_READ_VDSOX32 := 1
endif
ifdef LIBBABELTRACE
$(call feature_check,libbabeltrace)
ifeq ($(feature-libbabeltrace), 1)
CFLAGS += -DHAVE_LIBBABELTRACE_SUPPORT $(LIBBABELTRACE_CFLAGS)
LDFLAGS += $(LIBBABELTRACE_LDFLAGS)
EXTLIBS += -lbabeltrace-ctf
$(call detected,CONFIG_LIBBABELTRACE)
else
msg := $(warning No libbabeltrace found, disables 'perf data' CTF format support, please install libbabeltrace-dev[el]/libbabeltrace-ctf-dev);
endif
endif
ifndef NO_AUXTRACE
ifeq ($(ARCH),x86)
ifeq ($(feature-get_cpuid), 0)
msg := $(warning Your gcc lacks the __get_cpuid() builtin, disables support for auxtrace/Intel PT, please install a newer gcc);
NO_AUXTRACE := 1
endif
endif
ifndef NO_AUXTRACE
$(call detected,CONFIG_AUXTRACE)
CFLAGS += -DHAVE_AUXTRACE_SUPPORT
endif
endif
ifndef NO_JVMTI
ifneq (,$(wildcard /usr/sbin/update-java-alternatives))
JDIR=$(shell /usr/sbin/update-java-alternatives -l | head -1 | awk '{print $$3}')
else
ifneq (,$(wildcard /usr/sbin/alternatives))
JDIR=$(shell alternatives --display java | tail -1 | cut -d' ' -f 5 | sed 's%/jre/bin/java.%%g')
endif
endif
ifndef JDIR
$(warning No alternatives command found, you need to set JDIR= to point to the root of your Java directory)
NO_JVMTI := 1
endif
endif
ifndef NO_JVMTI
FEATURE_CHECK_CFLAGS-jvmti := -I$(JDIR)/include -I$(JDIR)/include/linux
$(call feature_check,jvmti)
ifeq ($(feature-jvmti), 1)
$(call detected_var,JDIR)
else
$(warning No openjdk development package found, please install JDK package)
NO_JVMTI := 1
endif
endif
USE_CXX = 0
USE_CLANGLLVM = 0
ifdef LIBCLANGLLVM
$(call feature_check,cxx)
ifneq ($(feature-cxx), 1)
msg := $(warning No g++ found, disable clang and llvm support. Please install g++)
else
$(call feature_check,llvm)
$(call feature_check,llvm-version)
ifneq ($(feature-llvm), 1)
msg := $(warning No suitable libLLVM found, disabling builtin clang and LLVM support. Please install llvm-dev(el) (>= 3.9.0))
else
$(call feature_check,clang)
ifneq ($(feature-clang), 1)
msg := $(warning No suitable libclang found, disabling builtin clang and LLVM support. Please install libclang-dev(el) (>= 3.9.0))
else
CFLAGS += -DHAVE_LIBCLANGLLVM_SUPPORT
CXXFLAGS += -DHAVE_LIBCLANGLLVM_SUPPORT -I$(shell $(LLVM_CONFIG) --includedir)
$(call detected,CONFIG_CXX)
$(call detected,CONFIG_CLANGLLVM)
USE_CXX = 1
USE_LLVM = 1
USE_CLANG = 1
ifneq ($(feature-llvm-version),1)
msg := $(warning This version of LLVM is not tested. May cause build errors)
endif
endif
endif
endif
endif
# Among the variables below, these:
# perfexecdir
# template_dir
# mandir
# infodir
# htmldir
# ETC_PERFCONFIG (but not sysconfdir)
# can be specified as a relative path some/where/else;
# this is interpreted as relative to $(prefix) and "perf" at
# runtime figures out where they are based on the path to the executable.
# This can help installing the suite in a relocatable way.
# Make the path relative to DESTDIR, not to prefix
ifndef DESTDIR
prefix ?= $(HOME)
endif
bindir_relative = bin
bindir = $(abspath $(prefix)/$(bindir_relative))
mandir = share/man
infodir = share/info
perfexecdir = libexec/perf-core
sharedir = $(prefix)/share
template_dir = share/perf-core/templates
STRACE_GROUPS_DIR = share/perf-core/strace/groups
htmldir = share/doc/perf-doc
tipdir = share/doc/perf-tip
srcdir = $(srctree)/tools/perf
ifeq ($(prefix),/usr)
sysconfdir = /etc
ETC_PERFCONFIG = $(sysconfdir)/perfconfig
else
sysconfdir = $(prefix)/etc
ETC_PERFCONFIG = etc/perfconfig
endif
ifndef lib
ifeq ($(ARCH)$(IS_64_BIT), x861)
lib = lib64
else
lib = lib
endif
endif # lib
libdir = $(prefix)/$(lib)
# Shell quote (do not use $(call) to accommodate ancient setups);
ETC_PERFCONFIG_SQ = $(subst ','\'',$(ETC_PERFCONFIG))
STRACE_GROUPS_DIR_SQ = $(subst ','\'',$(STRACE_GROUPS_DIR))
DESTDIR_SQ = $(subst ','\'',$(DESTDIR))
bindir_SQ = $(subst ','\'',$(bindir))
mandir_SQ = $(subst ','\'',$(mandir))
infodir_SQ = $(subst ','\'',$(infodir))
perfexecdir_SQ = $(subst ','\'',$(perfexecdir))
template_dir_SQ = $(subst ','\'',$(template_dir))
htmldir_SQ = $(subst ','\'',$(htmldir))
tipdir_SQ = $(subst ','\'',$(tipdir))
prefix_SQ = $(subst ','\'',$(prefix))
sysconfdir_SQ = $(subst ','\'',$(sysconfdir))
libdir_SQ = $(subst ','\'',$(libdir))
srcdir_SQ = $(subst ','\'',$(srcdir))
ifneq ($(filter /%,$(firstword $(perfexecdir))),)
perfexec_instdir = $(perfexecdir)
STRACE_GROUPS_INSTDIR = $(STRACE_GROUPS_DIR)
tip_instdir = $(tipdir)
else
perfexec_instdir = $(prefix)/$(perfexecdir)
STRACE_GROUPS_INSTDIR = $(prefix)/$(STRACE_GROUPS_DIR)
tip_instdir = $(prefix)/$(tipdir)
endif
perfexec_instdir_SQ = $(subst ','\'',$(perfexec_instdir))
STRACE_GROUPS_INSTDIR_SQ = $(subst ','\'',$(STRACE_GROUPS_INSTDIR))
tip_instdir_SQ = $(subst ','\'',$(tip_instdir))
# If we install to $(HOME) we keep the traceevent default:
# $(HOME)/.traceevent/plugins
# Otherwise we install plugins into the global $(libdir).
ifdef DESTDIR
plugindir=$(libdir)/traceevent/plugins
plugindir_SQ= $(subst ','\'',$(plugindir))
endif
print_var = $(eval $(print_var_code)) $(info $(MSG))
define print_var_code
MSG = $(shell printf '...%30s: %s' $(1) $($(1)))
endef
ifeq ($(VF),1)
$(call print_var,prefix)
$(call print_var,bindir)
$(call print_var,libdir)
$(call print_var,sysconfdir)
$(call print_var,LIBUNWIND_DIR)
$(call print_var,LIBDW_DIR)
$(call print_var,JDIR)
ifeq ($(dwarf-post-unwind),1)
$(call feature_print_text,"DWARF post unwind library", $(dwarf-post-unwind-text))
endif
$(info )
endif
$(call detected_var,bindir_SQ)
$(call detected_var,PYTHON_WORD)
ifneq ($(OUTPUT),)
$(call detected_var,OUTPUT)
endif
$(call detected_var,htmldir_SQ)
$(call detected_var,infodir_SQ)
$(call detected_var,mandir_SQ)
$(call detected_var,ETC_PERFCONFIG_SQ)
$(call detected_var,STRACE_GROUPS_DIR_SQ)
$(call detected_var,prefix_SQ)
$(call detected_var,perfexecdir_SQ)
$(call detected_var,tipdir_SQ)
$(call detected_var,srcdir_SQ)
$(call detected_var,LIBDIR)
$(call detected_var,GTK_CFLAGS)
$(call detected_var,PERL_EMBED_CCOPTS)
$(call detected_var,PYTHON_EMBED_CCOPTS)
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