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c6e5e9fbc3
linux_dsm_epyc7002/tools/perf/config/Makefile
Namhyung Kim c6e5e9fbc3 perf tools: Fix building error in x86_64 when dwarf unwind is on 
When build with 'make ARCH=x86' and dwarf unwind is on, there is a
compiling error:

   CC       /home/wn/perf/arch/x86/util/unwind-libdw.o
   CC       /home/wn/perf/arch/x86/tests/regs_load.o
 arch/x86/tests/regs_load.S: Assembler messages:
 arch/x86/tests/regs_load.S:65: Error: operand type mismatch for `push'
 arch/x86/tests/regs_load.S:72: Error: operand type mismatch for `pop'
 make[1]: *** [/home/wn/perf/arch/x86/tests/regs_load.o] Error 1
 make[1]: INTERNAL: Exiting with 25 jobserver tokens available; should be 24!
 make: *** [all] Error 2
 ...

Which is caused by incorrectly undefine macro HAVE_ARCH_X86_64_SUPPORT.
'config/Makefile.arch' tests __x86_64__ only when 'ARCH=x86_64'.
However, when building x86_64 kernel, ARCH=x86 is valid and commonly
used. Build systems, such as yocto, uses x86_64 compiler with 'ARCH=x86'
to build x86_64 perf, which causes mismatching.

As __LP64__ is defined for x86_64 as well, we can consolidate the
__x86_64__ check to the __LP64__ check and get rid of the IS_X86_64
IMHO.

(This patch is made by Namhyung Kim when replying my v1 patch:

https://lkml.org/lkml/2015/1/7/17

I modified the code to remove dependency on RAW_ARCH:

https://lkml.org/lkml/2015/1/7/865

Namhyung Kim didn't provide his SOB in his original email. I add
mine only for my modification.)

Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Signed-off-by: Wang Nan <wangnan0@huawei.com>
Acked-by: Jiri Olsa <jolsa@kernel.org>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Li Zefan <lizefan@huawei.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Link: http://lkml.kernel.org/r/1421029255-23039-1-git-send-email-wangnan0@huawei.com
[ Namhyung provided his S-o-B on a followup to this patch thread on lkml ]
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2015-01-16 17:49:28 -03:00

812 lines
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Makefile
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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
LIB_INCLUDE := $(srctree)/tools/lib/
CFLAGS := $(EXTRA_CFLAGS) $(EXTRA_WARNINGS)
include $(src-perf)/config/Makefile.arch
NO_PERF_REGS := 1
# Additional ARCH settings for x86
ifeq ($(ARCH),x86)
ifeq (${IS_64_BIT}, 1)
CFLAGS += -DHAVE_ARCH_X86_64_SUPPORT
ARCH_INCLUDE = ../../arch/x86/lib/memcpy_64.S ../../arch/x86/lib/memset_64.S
LIBUNWIND_LIBS = -lunwind -lunwind-x86_64
else
LIBUNWIND_LIBS = -lunwind -lunwind-x86
endif
NO_PERF_REGS := 0
endif
ifeq ($(ARCH),arm)
NO_PERF_REGS := 0
LIBUNWIND_LIBS = -lunwind -lunwind-arm
endif
ifeq ($(ARCH),arm64)
NO_PERF_REGS := 0
LIBUNWIND_LIBS = -lunwind -lunwind-aarch64
endif
# So far there's only x86 and arm libdw unwind support merged in perf.
# Disable it on all other architectures in case libdw unwind
# support is detected in system. Add supported architectures
# to the check.
ifneq ($(ARCH),$(filter $(ARCH),x86 arm))
NO_LIBDW_DWARF_UNWIND := 1
endif
ifeq ($(LIBUNWIND_LIBS),)
NO_LIBUNWIND := 1
else
#
# For linking with debug library, run like:
#
# make DEBUG=1 LIBUNWIND_DIR=/opt/libunwind/
#
ifdef LIBUNWIND_DIR
LIBUNWIND_CFLAGS = -I$(LIBUNWIND_DIR)/include
LIBUNWIND_LDFLAGS = -L$(LIBUNWIND_DIR)/lib
endif
LIBUNWIND_LDFLAGS += $(LIBUNWIND_LIBS)
# Set per-feature check compilation flags
FEATURE_CHECK_CFLAGS-libunwind = $(LIBUNWIND_CFLAGS)
FEATURE_CHECK_LDFLAGS-libunwind = $(LIBUNWIND_LDFLAGS)
FEATURE_CHECK_CFLAGS-libunwind-debug-frame = $(LIBUNWIND_CFLAGS)
FEATURE_CHECK_LDFLAGS-libunwind-debug-frame = $(LIBUNWIND_LDFLAGS)
endif
ifeq ($(NO_PERF_REGS),0)
CFLAGS += -DHAVE_PERF_REGS_SUPPORT
endif
ifndef NO_LIBELF
# 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
endif
# include ARCH specific config
-include $(src-perf)/arch/$(ARCH)/Makefile
include $(src-perf)/config/utilities.mak
ifeq ($(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
endif
ifndef DEBUG
DEBUG := 0
endif
ifeq ($(DEBUG),0)
CFLAGS += -O6
endif
ifdef PARSER_DEBUG
PARSER_DEBUG_BISON := -t
PARSER_DEBUG_FLEX := -d
CFLAGS += -DPARSER_DEBUG
endif
ifndef NO_LIBPYTHON
# 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)
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 := $(PYTHON_EMBED_LDOPTS)
endif
CFLAGS += -fno-omit-frame-pointer
CFLAGS += -ggdb3
CFLAGS += -funwind-tables
CFLAGS += -Wall
CFLAGS += -Wextra
CFLAGS += -std=gnu99
# Enforce a non-executable stack, as we may regress (again) in the future by
# adding assembler files missing the .GNU-stack linker note.
LDFLAGS += -Wl,-z,noexecstack
EXTLIBS = -lpthread -lrt -lm -ldl
ifneq ($(OUTPUT),)
OUTPUT_FEATURES = $(OUTPUT)config/feature-checks/
$(shell mkdir -p $(OUTPUT_FEATURES))
endif
feature_check = $(eval $(feature_check_code))
define feature_check_code
feature-$(1) := $(shell $(MAKE) OUTPUT=$(OUTPUT_FEATURES) CFLAGS="$(EXTRA_CFLAGS) $(FEATURE_CHECK_CFLAGS-$(1))" LDFLAGS="$(LDFLAGS) $(FEATURE_CHECK_LDFLAGS-$(1))" -C config/feature-checks test-$1.bin >/dev/null 2>/dev/null && echo 1 || echo 0)
endef
feature_set = $(eval $(feature_set_code))
define feature_set_code
feature-$(1) := 1
endef
#
# Build the feature check binaries in parallel, ignore errors, ignore return value and suppress output:
#
#
# Note that this is not a complete list of all feature tests, just
# those that are typically built on a fully configured system.
#
# [ Feature tests not mentioned here have to be built explicitly in
# the rule that uses them - an example for that is the 'bionic'
# feature check. ]
#
CORE_FEATURE_TESTS = \
backtrace \
dwarf \
fortify-source \
sync-compare-and-swap \
glibc \
gtk2 \
gtk2-infobar \
libaudit \
libbfd \
libelf \
libelf-getphdrnum \
libelf-mmap \
libnuma \
libperl \
libpython \
libpython-version \
libslang \
libunwind \
stackprotector-all \
timerfd \
libdw-dwarf-unwind \
zlib
LIB_FEATURE_TESTS = \
dwarf \
glibc \
gtk2 \
libaudit \
libbfd \
libelf \
libnuma \
libperl \
libpython \
libslang \
libunwind \
libdw-dwarf-unwind \
zlib
VF_FEATURE_TESTS = \
backtrace \
fortify-source \
sync-compare-and-swap \
gtk2-infobar \
libelf-getphdrnum \
libelf-mmap \
libpython-version \
stackprotector-all \
timerfd \
libunwind-debug-frame \
bionic \
liberty \
liberty-z \
cplus-demangle \
compile-32 \
compile-x32
# Set FEATURE_CHECK_(C|LD)FLAGS-all for all CORE_FEATURE_TESTS features.
# If in the future we need per-feature checks/flags for features not
# mentioned in this list we need to refactor this ;-).
set_test_all_flags = $(eval $(set_test_all_flags_code))
define set_test_all_flags_code
FEATURE_CHECK_CFLAGS-all += $(FEATURE_CHECK_CFLAGS-$(1))
FEATURE_CHECK_LDFLAGS-all += $(FEATURE_CHECK_LDFLAGS-$(1))
endef
$(foreach feat,$(CORE_FEATURE_TESTS),$(call set_test_all_flags,$(feat)))
#
# Special fast-path for the 'all features are available' case:
#
$(call feature_check,all,$(MSG))
#
# Just in case the build freshly failed, make sure we print the
# feature matrix:
#
ifeq ($(feature-all), 1)
#
# test-all.c passed - just set all the core feature flags to 1:
#
$(foreach feat,$(CORE_FEATURE_TESTS),$(call feature_set,$(feat)))
else
$(shell $(MAKE) OUTPUT=$(OUTPUT_FEATURES) CFLAGS="$(EXTRA_CFLAGS)" LDFLAGS=$(LDFLAGS) -i -j -C config/feature-checks $(addsuffix .bin,$(CORE_FEATURE_TESTS)) >/dev/null 2>&1)
$(foreach feat,$(CORE_FEATURE_TESTS),$(call feature_check,$(feat)))
endif
ifeq ($(feature-stackprotector-all), 1)
CFLAGS += -fstack-protector-all
endif
ifeq ($(DEBUG),0)
ifeq ($(feature-fortify-source), 1)
CFLAGS += -D_FORTIFY_SOURCE=2
endif
endif
CFLAGS += -I$(src-perf)/util/include
CFLAGS += -I$(src-perf)/arch/$(ARCH)/include
CFLAGS += -I$(srctree)/tools/include/
CFLAGS += -I$(srctree)/arch/$(ARCH)/include/uapi
CFLAGS += -I$(srctree)/arch/$(ARCH)/include
CFLAGS += -I$(srctree)/include/uapi
CFLAGS += -I$(srctree)/include
# $(obj-perf) for generated common-cmds.h
# $(obj-perf)/util for generated bison/flex headers
ifneq ($(OUTPUT),)
CFLAGS += -I$(obj-perf)/util
CFLAGS += -I$(obj-perf)
endif
CFLAGS += -I$(src-perf)/util
CFLAGS += -I$(src-perf)
CFLAGS += -I$(LIB_INCLUDE)
CFLAGS += -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE
ifeq ($(feature-sync-compare-and-swap), 1)
CFLAGS += -DHAVE_SYNC_COMPARE_AND_SWAP_SUPPORT
endif
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
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 := $(warning No libelf found, disables 'probe' tool, please install elfutils-libelf-devel/libelf-dev);
NO_LIBELF := 1
NO_DWARF := 1
NO_DEMANGLE := 1
NO_LIBUNWIND := 1
NO_LIBDW_DWARF_UNWIND := 1
else
ifneq ($(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)
msg := $(warning No libdw.h found or old libdw.h found or elfutils is older than 0.138, disables dwarf support. Please install new elfutils-devel/libdw-dev);
NO_DWARF := 1
endif # Dwarf support
endif # libelf support
endif # NO_LIBELF
ifndef NO_LIBELF
CFLAGS += -DHAVE_LIBELF_SUPPORT
EXTLIBS += -lelf
ifeq ($(feature-libelf-mmap), 1)
CFLAGS += -DHAVE_LIBELF_MMAP_SUPPORT
endif
ifeq ($(feature-libelf-getphdrnum), 1)
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 += $(LIBDW_LDFLAGS)
EXTLIBS += -ldw
endif # PERF_HAVE_DWARF_REGS
endif # NO_DWARF
endif # NO_LIBELF
ifeq ($(ARCH),powerpc)
ifndef NO_DWARF
CFLAGS += -DHAVE_SKIP_CALLCHAIN_IDX
endif
endif
ifndef NO_LIBUNWIND
ifneq ($(feature-libunwind), 1)
msg := $(warning No libunwind found. Please install libunwind-dev[el] >= 1.1 and/or set LIBUNWIND_DIR);
NO_LIBUNWIND := 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 := $(warning Disabling post unwind, no support found.);
dwarf-post-unwind := 0
else
dwarf-post-unwind-text := libdw
endif
else
dwarf-post-unwind-text := libunwind
# Enable libunwind support by default.
ifndef NO_LIBDW_DWARF_UNWIND
NO_LIBDW_DWARF_UNWIND := 1
endif
endif
ifeq ($(dwarf-post-unwind),1)
CFLAGS += -DHAVE_DWARF_UNWIND_SUPPORT
else
NO_DWARF_UNWIND := 1
endif
ifndef NO_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
CFLAGS += -DHAVE_LIBUNWIND_SUPPORT
EXTLIBS += $(LIBUNWIND_LIBS)
CFLAGS += $(LIBUNWIND_CFLAGS)
LDFLAGS += $(LIBUNWIND_LDFLAGS)
endif
ifndef NO_LIBAUDIT
ifneq ($(feature-libaudit), 1)
msg := $(warning No libaudit.h found, disables 'trace' tool, please install audit-libs-devel or libaudit-dev);
NO_LIBAUDIT := 1
else
CFLAGS += -DHAVE_LIBAUDIT_SUPPORT
EXTLIBS += -laudit
endif
endif
ifdef NO_NEWT
NO_SLANG=1
endif
ifndef NO_SLANG
ifneq ($(feature-libslang), 1)
msg := $(warning slang not found, disables TUI support. Please install slang-devel or libslang-dev);
NO_SLANG := 1
else
# Fedora has /usr/include/slang/slang.h, but ubuntu /usr/include/slang.h
CFLAGS += -I/usr/include/slang
CFLAGS += -DHAVE_SLANG_SUPPORT
EXTLIBS += -lslang
endif
endif
ifndef NO_GTK2
FLAGS_GTK2=$(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, consider installing perl-ExtUtils-Embed);
else
LDFLAGS += $(PERL_EMBED_LDFLAGS)
EXTLIBS += $(PERL_EMBED_LIBADD)
endif
endif
ifeq ($(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
$(if $(1),$(warning No $(1) was found))
$(warning Python support will not be built)
NO_LIBPYTHON := 1
endef
ifdef NO_LIBPYTHON
$(call disable-python)
else
ifndef PYTHON
$(call disable-python,python interpreter)
else
PYTHON_WORD := $(call shell-wordify,$(PYTHON))
ifndef PYTHON_CONFIG
$(call disable-python,python-config tool)
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))
PYTHON_EMBED_CCOPTS := $(shell $(PYTHON_CONFIG_SQ) --cflags 2>/dev/null)
FLAGS_PYTHON_EMBED := $(PYTHON_EMBED_CCOPTS) $(PYTHON_EMBED_LDOPTS)
ifneq ($(feature-libpython), 1)
$(call disable-python,Python.h (for Python 2.x))
else
ifneq ($(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 += $(obj-perf)python/perf.so
endif
endif
endif
endif
endif
ifeq ($(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 := $(warning No bfd.h/libbfd found, install binutils-dev[el]/zlib-static to gain symbol demangling)
CFLAGS += -DNO_DEMANGLE
endif
endif
endif
endif
endif
endif
ifneq ($(filter -lbfd,$(EXTLIBS)),)
CFLAGS += -DHAVE_LIBBFD_SUPPORT
endif
ifndef NO_ZLIB
ifeq ($(feature-zlib), 1)
CFLAGS += -DHAVE_ZLIB_SUPPORT
EXTLIBS += -lz
else
NO_ZLIB := 1
endif
endif
ifndef NO_BACKTRACE
ifeq ($(feature-backtrace), 1)
CFLAGS += -DHAVE_BACKTRACE_SUPPORT
endif
endif
ifndef NO_LIBNUMA
ifeq ($(feature-libnuma), 0)
msg := $(warning No numa.h found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev);
NO_LIBNUMA := 1
else
CFLAGS += -DHAVE_LIBNUMA_SUPPORT
EXTLIBS += -lnuma
endif
endif
ifdef HAVE_KVM_STAT_SUPPORT
CFLAGS += -DHAVE_KVM_STAT_SUPPORT
endif
ifeq (${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 (${IS_X86_64}, 1)
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
# 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 = $(prefix)/$(bindir_relative)
mandir = share/man
infodir = share/info
perfexecdir = libexec/perf-core
sharedir = $(prefix)/share
template_dir = share/perf-core/templates
htmldir = share/doc/perf-doc
ifeq ($(prefix),/usr)
sysconfdir = /etc
ETC_PERFCONFIG = $(sysconfdir)/perfconfig
else
sysconfdir = $(prefix)/etc
ETC_PERFCONFIG = etc/perfconfig
endif
ifndef lib
ifeq ($(IS_X86_64),1)
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))
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))
prefix_SQ = $(subst ','\'',$(prefix))
sysconfdir_SQ = $(subst ','\'',$(sysconfdir))
libdir_SQ = $(subst ','\'',$(libdir))
ifneq ($(filter /%,$(firstword $(perfexecdir))),)
perfexec_instdir = $(perfexecdir)
else
perfexec_instdir = $(prefix)/$(perfexecdir)
endif
perfexec_instdir_SQ = $(subst ','\'',$(perfexec_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 the result of the feature test:
#
feature_print_status = $(eval $(feature_print_status_code)) $(info $(MSG))
define feature_print_status_code
ifeq ($(feature-$(1)), 1)
MSG = $(shell printf '...%30s: [ \033[32mon\033[m ]' $(1))
else
MSG = $(shell printf '...%30s: [ \033[31mOFF\033[m ]' $(1))
endif
endef
feature_print_var = $(eval $(feature_print_var_code)) $(info $(MSG))
define feature_print_var_code
MSG = $(shell printf '...%30s: %s' $(1) $($(1)))
endef
feature_print_text = $(eval $(feature_print_text_code)) $(info $(MSG))
define feature_print_text_code
MSG = $(shell printf '...%30s: %s' $(1) $(2))
endef
PERF_FEATURES := $(foreach feat,$(LIB_FEATURE_TESTS),feature-$(feat)($(feature-$(feat))))
PERF_FEATURES_FILE := $(shell touch $(OUTPUT)PERF-FEATURES; cat $(OUTPUT)PERF-FEATURES)
ifeq ($(dwarf-post-unwind),1)
PERF_FEATURES += dwarf-post-unwind($(dwarf-post-unwind-text))
endif
# The $(display_lib) controls the default detection message
# output. It's set if:
# - detected features differes from stored features from
# last build (in PERF-FEATURES file)
# - one of the $(LIB_FEATURE_TESTS) is not detected
# - VF is enabled
ifneq ("$(PERF_FEATURES)","$(PERF_FEATURES_FILE)")
$(shell echo "$(PERF_FEATURES)" > $(OUTPUT)PERF-FEATURES)
display_lib := 1
endif
feature_check = $(eval $(feature_check_code))
define feature_check_code
ifneq ($(feature-$(1)), 1)
display_lib := 1
endif
endef
$(foreach feat,$(LIB_FEATURE_TESTS),$(call feature_check,$(feat)))
ifeq ($(VF),1)
display_lib := 1
display_vf := 1
endif
ifeq ($(display_lib),1)
$(info )
$(info Auto-detecting system features:)
$(foreach feat,$(LIB_FEATURE_TESTS),$(call feature_print_status,$(feat),))
ifeq ($(dwarf-post-unwind),1)
$(call feature_print_text,"DWARF post unwind library", $(dwarf-post-unwind-text))
endif
endif
ifeq ($(display_vf),1)
$(foreach feat,$(VF_FEATURE_TESTS),$(call feature_print_status,$(feat),))
$(info )
$(call feature_print_var,prefix)
$(call feature_print_var,bindir)
$(call feature_print_var,libdir)
$(call feature_print_var,sysconfdir)
$(call feature_print_var,LIBUNWIND_DIR)
$(call feature_print_var,LIBDW_DIR)
endif
ifeq ($(display_lib),1)
$(info )
endif
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