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Diffstat (limited to 'tools/perf/Makefile.config')
| -rw-r--r-- | tools/perf/Makefile.config | 1308 |
1 files changed, 1308 insertions, 0 deletions
diff --git a/tools/perf/Makefile.config b/tools/perf/Makefile.config new file mode 100644 index 000000000..0ba307e78 --- /dev/null +++ b/tools/perf/Makefile.config @@ -0,0 +1,1308 @@ +# SPDX-License-Identifier: GPL-2.0-only + +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) $(filter-out -Wnested-externs,$(EXTRA_WARNINGS)) +HOSTCFLAGS := $(filter-out -Wnested-externs,$(EXTRA_WARNINGS)) + +# This is required because the kernel is built with this and some of the code +# borrowed from kernel headers depends on it, e.g. put_unaligned_*(). +CFLAGS += -fno-strict-aliasing + +# Set target flag and options when using clang as compiler. +ifeq ($(CC_NO_CLANG), 0) + CLANG_TARGET_FLAGS_arm := arm-linux-gnueabi + CLANG_TARGET_FLAGS_arm64 := aarch64-linux-gnu + CLANG_TARGET_FLAGS_m68k := m68k-linux-gnu + CLANG_TARGET_FLAGS_mips := mipsel-linux-gnu + CLANG_TARGET_FLAGS_powerpc := powerpc64le-linux-gnu + CLANG_TARGET_FLAGS_riscv := riscv64-linux-gnu + CLANG_TARGET_FLAGS_s390 := s390x-linux-gnu + CLANG_TARGET_FLAGS_x86 := x86_64-linux-gnu + CLANG_TARGET_FLAGS_x86_64 := x86_64-linux-gnu + + # Default to host architecture if ARCH is not explicitly given. + ifeq ($(ARCH), $(HOSTARCH)) + CLANG_TARGET_FLAGS := $(shell $(CLANG) -print-target-triple) + else + CLANG_TARGET_FLAGS := $(CLANG_TARGET_FLAGS_$(ARCH)) + endif + + ifeq ($(CROSS_COMPILE),) + ifeq ($(CLANG_TARGET_FLAGS),) + $(error Specify CROSS_COMPILE or add CLANG_TARGET_FLAGS for $(ARCH)) + else + CLANG_FLAGS += --target=$(CLANG_TARGET_FLAGS) + endif # CLANG_TARGET_FLAGS + else + CLANG_FLAGS += --target=$(notdir $(CROSS_COMPILE:%-=%)) + endif # CROSS_COMPILE + + CC := $(CLANG) $(CLANG_FLAGS) -fintegrated-as + CXX := $(CXX) $(CLANG_FLAGS) -fintegrated-as + + # Enabled Wthread-safety analysis for clang builds. + CFLAGS += -Wthread-safety +endif + +include $(srctree)/tools/scripts/Makefile.arch + +$(call detected_var,SRCARCH) + +CFLAGS += -I$(OUTPUT)arch/$(SRCARCH)/include/generated + +# Additional ARCH settings for x86 +ifeq ($(SRCARCH),x86) + $(call detected,CONFIG_X86) + ifeq (${IS_64_BIT}, 1) + CFLAGS += -DHAVE_ARCH_X86_64_SUPPORT + ARCH_INCLUDE = ../../arch/x86/lib/memcpy_64.S ../../arch/x86/lib/memset_64.S + $(call detected,CONFIG_X86_64) + endif +endif + +ifeq ($(ARCH),s390) + CFLAGS += -fPIC + CXXFLAGS += -fPIC +endif + +# Unconditionally set up the libunwind feature build flags as a +# feature-dump build doesn't specify LIBUNWIND=1. This means that +# dumping the libunwind features will be broken that can impact later +# builds that use the feature dump. +ifeq ($(SRCARCH),arm) + LIBUNWIND_LIBS = -lunwind -lunwind-arm +endif +ifeq ($(SRCARCH),arm64) + LIBUNWIND_LIBS = -lunwind -lunwind-aarch64 +endif +ifeq ($(SRCARCH),loongarch) + LIBUNWIND_LIBS = -lunwind -lunwind-loongarch64 +endif +ifeq ($(ARCH),mips) + LIBUNWIND_LIBS = -lunwind -lunwind-mips +endif +ifeq ($(SRCARCH),powerpc) + LIBUNWIND_LIBS := -lunwind -lunwind-ppc64 +endif +ifeq ($(SRCARCH),riscv) + LIBUNWIND_LIBS := -lunwind -lunwind-riscv +endif +ifeq ($(SRCARCH),s390) + LIBUNWIND_LIBS := -lunwind -lunwind-s390x +endif +ifeq ($(SRCARCH),x86) + ifeq (${IS_64_BIT}, 1) + LIBUNWIND_LIBS = -lunwind-x86_64 -lunwind -llzma + else + LIBUNWIND_LIBS = -lunwind-x86 -lunwind -llzma + endif +endif +ifneq ($(LIBUNWIND),1) + NO_LIBUNWIND := 1 +endif +ifeq ($(LIBUNWIND_LIBS),) + NO_LIBUNWIND := 1 +endif + +# +# For linking with debug library, run like: +# +# make DEBUG=1 LIBUNWIND_DIR=/opt/libunwind/ +# +LIBUNWIND_ARCHS:=aarch64 arm loongarch64 mips ppc32 ppc64 riscv s390x x86 x86_64 + +# "Local" (no arch specified) feature test 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) $(LIBUNWIND_LIBS) + +# Add directory into the "remote" (build for a a specific arch) feature tests. +ifdef LIBUNWIND_DIR + LIBUNWIND_CFLAGS = -I$(LIBUNWIND_DIR)/include + LIBUNWIND_LDFLAGS = -L$(LIBUNWIND_DIR)/lib + + define libunwind_arch_set_flags + FEATURE_CHECK_CFLAGS-libunwind-$(1) = -I$(LIBUNWIND_DIR)/include + FEATURE_CHECK_LDFLAGS-libunwind-$(1) = -L$(LIBUNWIND_DIR)/lib -lunwind -lunwind-$(1) + endef + $(foreach arch,$(LIBUNWIND_ARCHS), \ + $(eval $(call libunwind_arch_set_flags,$(arch))) \ + ) +endif + +ifdef CSINCLUDES + LIBOPENCSD_CFLAGS := -I$(CSINCLUDES) +endif +OPENCSDLIBS := -lopencsd_c_api -lopencsd +ifeq ($(findstring -static,${LDFLAGS}),-static) + OPENCSDLIBS += -lstdc++ +endif +ifdef CSLIBS + LIBOPENCSD_LDFLAGS := -L$(CSLIBS) +endif +FEATURE_CHECK_CFLAGS-libopencsd := $(LIBOPENCSD_CFLAGS) +FEATURE_CHECK_LDFLAGS-libopencsd := $(LIBOPENCSD_LDFLAGS) $(OPENCSDLIBS) + +# for linking with debug library, run like: +# make DEBUG=1 LIBDW_DIR=/opt/libdw/ +ifdef LIBDW_DIR + LIBDW_CFLAGS := -I$(LIBDW_DIR)/include + LIBDW_LDFLAGS := -L$(LIBDW_DIR)/lib +endif +DWARFLIBS := -ldw +ifeq ($(findstring -static,${LDFLAGS}),-static) + DWARFLIBS += -lelf -lz -llzma -lbz2 + + LIBDW_VERSION := $(shell $(PKG_CONFIG) --modversion libdw).0.0 + LIBDW_VERSION_1 := $(word 1, $(subst ., ,$(LIBDW_VERSION))) + LIBDW_VERSION_2 := $(word 2, $(subst ., ,$(LIBDW_VERSION))) + + # Elfutils merged libebl.a into libdw.a starting from version 0.177, + # Link libebl.a only if libdw is older than this version. + ifeq ($(shell test $(LIBDW_VERSION_2) -lt 177; echo $$?),0) + DWARFLIBS += -lebl + endif + + # Must put -ldl after -lebl for dependency + DWARFLIBS += -ldl +endif +FEATURE_CHECK_CFLAGS-libdw := $(LIBDW_CFLAGS) +FEATURE_CHECK_LDFLAGS-libdw := $(LIBDW_LDFLAGS) $(DWARFLIBS) + +ifneq ($(NO_BABELTRACE2),1) + ifeq ($(call get-executable,$(PKG_CONFIG)),) + $(error Error: $(PKG_CONFIG) needed by babeltrace2 is missing on this system, please install it) + endif +endif + +# for linking with debug library, run like: +# make DEBUG=1 LIBCAPSTONE_DIR=/opt/capstone/ +ifdef LIBCAPSTONE_DIR + LIBCAPSTONE_CFLAGS := -I$(LIBCAPSTONE_DIR)/include + LIBCAPSTONE_LDFLAGS := -L$(LIBCAPSTONE_DIR)/ +endif +FEATURE_CHECK_CFLAGS-libcapstone := $(LIBCAPSTONE_CFLAGS) +FEATURE_CHECK_LDFLAGS-libcapstone := $(LIBCAPSTONE_LDFLAGS) -lcapstone + +ifdef LIBZSTD_DIR + LIBZSTD_CFLAGS := -I$(LIBZSTD_DIR)/lib + LIBZSTD_LDFLAGS := -L$(LIBZSTD_DIR)/lib +endif +FEATURE_CHECK_CFLAGS-libzstd := $(LIBZSTD_CFLAGS) +FEATURE_CHECK_LDFLAGS-libzstd := $(LIBZSTD_LDFLAGS) + +# for linking with debug library, run like: +# make DEBUG=1 PKG_CONFIG_PATH=/opt/libtraceevent/(lib|lib64)/pkgconfig + +ifneq ($(NO_LIBTRACEEVENT),1) + ifeq ($(call get-executable,$(PKG_CONFIG)),) + $(error Error: $(PKG_CONFIG) needed by libtraceevent is missing on this system, please install it) + endif +endif + +FEATURE_CHECK_CFLAGS-bpf = -I. -I$(srctree)/tools/include -I$(srctree)/tools/arch/$(SRCARCH)/include/uapi -I$(srctree)/tools/include/uapi +# include ARCH specific config +-include $(src-perf)/arch/$(SRCARCH)/Makefile + +include $(srctree)/tools/scripts/utilities.mak + +ifeq ($(call get-executable,$(FLEX)),) + $(error Error: $(FLEX) is missing on this system, please install it) +endif + +ifeq ($(call get-executable,$(BISON)),) + $(error Error: $(BISON) is missing on this system, please install it) +endif + +ifneq ($(OUTPUT),) + ifeq ($(shell expr $(shell $(BISON) --version | grep bison | sed -e 's/.\+ \([0-9]\+\).\([0-9]\+\).\([0-9]\+\)/\1\2\3/g') \>\= 371), 1) + BISON_FILE_PREFIX_MAP := --file-prefix-map=$(OUTPUT)= + endif +endif + +# Treat warnings as errors unless directed not to +ifneq ($(WERROR),0) + CORE_CFLAGS += -Werror + CXXFLAGS += -Werror + HOSTCFLAGS += -Werror +endif + +ifndef DEBUG + DEBUG := 0 +endif + +ifeq ($(DEBUG),0) +CORE_CFLAGS += -DNDEBUG=1 +CORE_CFLAGS += -O3 +else + CORE_CFLAGS += -g + CXXFLAGS += -g +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 + +ifdef LTO + CORE_CFLAGS += -flto + CXXFLAGS += -flto +endif + +# Try different combinations to accommodate systems that only have +# python[2][3]-config in weird combinations in the following order of +# priority from lowest to highest: +# * python2-config as per pep-0394. +# * python-config +# * python3-config +# * $(PYTHON)-config (If PYTHON is user supplied but PYTHON_CONFIG isn't) +# +PYTHON_AUTO := python-config +PYTHON_AUTO := $(if $(call get-executable,python2-config),python2-config,$(PYTHON_AUTO)) +PYTHON_AUTO := $(if $(call get-executable,python-config),python-config,$(PYTHON_AUTO)) +PYTHON_AUTO := $(if $(call get-executable,python3-config),python3-config,$(PYTHON_AUTO)) + +# If PYTHON is defined but PYTHON_CONFIG isn't, then take $(PYTHON)-config as if it was the user +# supplied value for PYTHON_CONFIG. Because it's "user supplied", error out if it doesn't exist. +ifdef PYTHON + ifndef PYTHON_CONFIG + PYTHON_CONFIG_AUTO := $(call get-executable,$(PYTHON)-config) + PYTHON_CONFIG := $(if $(PYTHON_CONFIG_AUTO),$(PYTHON_CONFIG_AUTO),\ + $(call $(error $(PYTHON)-config not found))) + endif +endif + +# Select either auto detected python and python-config or use user supplied values if they are +# defined. get-executable-or-default fails with an error if the first argument is supplied but +# doesn't exist. +override PYTHON_CONFIG := $(call get-executable-or-default,PYTHON_CONFIG,$(PYTHON_AUTO)) +override PYTHON := $(call get-executable-or-default,PYTHON,$(subst -config,,$(PYTHON_CONFIG))) + +grep-libs = $(filter -l%,$(1)) +strip-libs = $(filter-out -l%,$(1)) + +PYTHON_CONFIG_SQ := $(call shell-sq,$(PYTHON_CONFIG)) + +# Python 3.8 changed the output of `python-config --ldflags` to not include the +# '-lpythonX.Y' flag unless '--embed' is also passed. The feature check for +# libpython fails if that flag is not included in LDFLAGS +ifeq ($(shell $(PYTHON_CONFIG_SQ) --ldflags --embed 2>&1 1>/dev/null; echo $$?), 0) + PYTHON_CONFIG_LDFLAGS := --ldflags --embed +else + PYTHON_CONFIG_LDFLAGS := --ldflags +endif + +ifdef PYTHON_CONFIG + PYTHON_EMBED_LDOPTS := $(shell $(PYTHON_CONFIG_SQ) $(PYTHON_CONFIG_LDFLAGS) 2>/dev/null) + # Update the python flags for cross compilation + ifdef CROSS_COMPILE + PYTHON_NATIVE := $(shell echo $(PYTHON_EMBED_LDOPTS) | sed 's/\(-L.*\/\)\(.*-linux-gnu\).*/\2/') + PYTHON_EMBED_LDOPTS := $(subst $(PYTHON_NATIVE),$(shell $(CC) -dumpmachine),$(PYTHON_EMBED_LDOPTS)) + endif + 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) --includes 2>/dev/null) + FLAGS_PYTHON_EMBED := $(PYTHON_EMBED_CCOPTS) $(PYTHON_EMBED_LDOPTS) + ifeq ($(CC_NO_CLANG), 0) + PYTHON_EMBED_CCOPTS := $(filter-out -ffat-lto-objects, $(PYTHON_EMBED_CCOPTS)) + endif +endif + +FEATURE_CHECK_CFLAGS-libpython := $(PYTHON_EMBED_CCOPTS) +FEATURE_CHECK_LDFLAGS-libpython := $(PYTHON_EMBED_LDOPTS) + +FEATURE_CHECK_LDFLAGS-libaio = -lrt + +CORE_CFLAGS += -fno-omit-frame-pointer +CORE_CFLAGS += -Wall +CORE_CFLAGS += -Wextra +CORE_CFLAGS += -std=gnu11 +CORE_CFLAGS += -funsigned-char + +CXXFLAGS += -std=gnu++17 -fno-exceptions -fno-rtti +CXXFLAGS += -Wall +CXXFLAGS += -Wextra +CXXFLAGS += -fno-omit-frame-pointer + +HOSTCFLAGS += -Wall +HOSTCFLAGS += -Wextra + +# Enforce a non-executable stack, as we may regress (again) in the future by +# adding assembler files missing the .GNU-stack linker note. +LDFLAGS += -Wl,-z,noexecstack + +EXTLIBS = -lpthread -lrt -lm -ldl + +ifneq ($(TCMALLOC),) + CFLAGS += -fno-builtin-malloc -fno-builtin-calloc -fno-builtin-realloc -fno-builtin-free + EXTLIBS += -ltcmalloc +endif + +ifeq ($(FEATURES_DUMP),) +# We will display at the end of this Makefile.config, using $(call feature_display_entries), +# as we may retry some feature detection here. + FEATURE_DISPLAY_DEFERRED := 1 +include $(srctree)/tools/build/Makefile.feature +else +include $(FEATURES_DUMP) +endif + +ifeq ($(feature-stackprotector-all), 1) + CORE_CFLAGS += -fstack-protector-all +endif + +ifeq ($(DEBUG),0) + ifeq ($(feature-fortify-source), 1) + CORE_CFLAGS += -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 + endif +endif + +INC_FLAGS += -I$(src-perf)/util/include +INC_FLAGS += -I$(src-perf)/arch/$(SRCARCH)/include +INC_FLAGS += -I$(srctree)/tools/include/ +INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/include/uapi +INC_FLAGS += -I$(srctree)/tools/include/uapi +INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/include/ +INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/ + +# $(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) + +CORE_CFLAGS += -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE + +CFLAGS += $(CORE_CFLAGS) $(INC_FLAGS) +CXXFLAGS += $(INC_FLAGS) + +LIBPERF_CFLAGS := $(CORE_CFLAGS) $(EXTRA_CFLAGS) + +ifeq ($(feature-pthread-attr-setaffinity-np), 1) + CFLAGS += -DHAVE_PTHREAD_ATTR_SETAFFINITY_NP +endif + +ifeq ($(feature-pthread-barrier), 1) + CFLAGS += -DHAVE_PTHREAD_BARRIER +endif + +ifndef NO_BIONIC + $(call feature_check,bionic) + ifeq ($(feature-bionic), 1) + BIONIC := 1 + CFLAGS += -DLACKS_SIGQUEUE_PROTOTYPE + CFLAGS += -DLACKS_OPEN_MEMSTREAM_PROTOTYPE + EXTLIBS := $(filter-out -lrt,$(EXTLIBS)) + EXTLIBS := $(filter-out -lpthread,$(EXTLIBS)) + endif +endif + +ifeq ($(feature-eventfd), 1) + CFLAGS += -DHAVE_EVENTFD_SUPPORT +endif + +ifeq ($(feature-gettid), 1) + CFLAGS += -DHAVE_GETTID +endif + +ifeq ($(feature-file-handle), 1) + CFLAGS += -DHAVE_FILE_HANDLE +endif + +ifdef NO_LIBELF + NO_LIBDW := 1 + NO_LIBUNWIND := 1 + NO_LIBBPF := 1 + NO_JVMTI := 1 +else + ifeq ($(feature-libelf), 0) + ifeq ($(feature-glibc), 1) + LIBC_SUPPORT := 1 + endif + ifeq ($(BIONIC),1) + LIBC_SUPPORT := 1 + endif + ifeq ($(LIBC_SUPPORT),1) + $(error ERROR: No libelf found. Disables 'probe' tool, jvmti and BPF support. Please install libelf-dev, libelf-devel, elfutils-libelf-devel or build with NO_LIBELF=1.) + else + ifneq ($(filter s% -fsanitize=address%,$(EXTRA_CFLAGS),),) + ifneq ($(shell ldconfig -p | grep libasan >/dev/null 2>&1; echo $$?), 0) + $(error No libasan found, please install libasan) + endif + endif + + ifneq ($(filter s% -fsanitize=undefined%,$(EXTRA_CFLAGS),),) + ifneq ($(shell ldconfig -p | grep libubsan >/dev/null 2>&1; echo $$?), 0) + $(error No libubsan found, please install libubsan) + endif + endif + + ifneq ($(filter s% -static%,$(LDFLAGS),),) + $(error No static glibc found, please install glibc-static) + else + $(error No gnu/libc-version.h found, please install glibc-dev[el]) + endif + endif + else + ifneq ($(feature-libdw), 1) + ifndef NO_LIBDW + $(warning No libdw.h found or old libdw.h found or elfutils is older than 0.157, disables dwarf support. Please install new elfutils-devel/libdw-dev) + NO_LIBDW := 1 + endif + endif # Dwarf support + endif # libelf support +endif # NO_LIBELF + +ifeq ($(feature-libaio), 1) + ifndef NO_AIO + CFLAGS += -DHAVE_AIO_SUPPORT + endif +endif + +ifeq ($(feature-scandirat), 1) + # Ignore having scandirat with memory sanitizer that lacks an interceptor. + ifeq ($(filter s% -fsanitize=memory%,$(EXTRA_CFLAGS),),) + CFLAGS += -DHAVE_SCANDIRAT_SUPPORT + endif +endif + +ifeq ($(feature-sched_getcpu), 1) + CFLAGS += -DHAVE_SCHED_GETCPU_SUPPORT +endif + +ifeq ($(feature-setns), 1) + CFLAGS += -DHAVE_SETNS_SUPPORT + $(call detected,CONFIG_SETNS) +endif + +ifeq ($(feature-reallocarray), 0) + CFLAGS += -DCOMPAT_NEED_REALLOCARRAY +endif + +ifdef CORESIGHT + $(call feature_check,libopencsd) + ifeq ($(feature-libopencsd), 1) + CFLAGS += -DHAVE_CSTRACE_SUPPORT $(LIBOPENCSD_CFLAGS) + LDFLAGS += $(LIBOPENCSD_LDFLAGS) + EXTLIBS += $(OPENCSDLIBS) + $(call detected,CONFIG_LIBOPENCSD) + ifdef CSTRACE_RAW + CFLAGS += -DCS_DEBUG_RAW + ifeq (${CSTRACE_RAW}, packed) + CFLAGS += -DCS_RAW_PACKED + endif + endif + else + $(error Error: No libopencsd library found or the version is not up-to-date. Please install recent libopencsd to build with CORESIGHT=1) + endif +endif + +ifndef NO_ZLIB + ifeq ($(feature-zlib), 1) + CFLAGS += -DHAVE_ZLIB_SUPPORT + EXTLIBS += -lz + $(call detected,CONFIG_ZLIB) + else + NO_ZLIB := 1 + endif +endif + +ifndef NO_LIBELF + CFLAGS += -DHAVE_LIBELF_SUPPORT + EXTLIBS += -lelf + $(call detected,CONFIG_LIBELF) + + ifeq ($(feature-libelf-getphdrnum), 1) + CFLAGS += -DHAVE_ELF_GETPHDRNUM_SUPPORT + endif + + ifeq ($(feature-libelf-gelf_getnote), 1) + CFLAGS += -DHAVE_GELF_GETNOTE_SUPPORT + else + $(warning gelf_getnote() not found on libelf, SDT support disabled) + endif + + ifeq ($(feature-libelf-getshdrstrndx), 1) + CFLAGS += -DHAVE_ELF_GETSHDRSTRNDX_SUPPORT + endif + + ifeq ($(feature-libelf-zstd), 1) + ifdef NO_LIBZSTD + $(error Error: libzstd is required by libelf, please do not set NO_LIBZSTD) + endif + endif + + ifndef NO_LIBDEBUGINFOD + $(call feature_check,libdebuginfod) + ifeq ($(feature-libdebuginfod), 1) + CFLAGS += -DHAVE_DEBUGINFOD_SUPPORT + EXTLIBS += -ldebuginfod + else + $(warning No elfutils/debuginfod.h found, no debuginfo server support, please install libdebuginfod-dev/elfutils-debuginfod-client-devel or equivalent) + endif + endif + + ifndef NO_LIBDW + CFLAGS += -DHAVE_LIBDW_SUPPORT $(LIBDW_CFLAGS) + LDFLAGS += $(LIBDW_LDFLAGS) + EXTLIBS += ${DWARFLIBS} + $(call detected,CONFIG_LIBDW) + endif # NO_LIBDW + + ifndef NO_LIBBPF + ifeq ($(feature-bpf), 1) + ifdef LIBBPF_DYNAMIC + $(call feature_check,libbpf) + ifeq ($(feature-libbpf), 1) + EXTLIBS += -lbpf + CFLAGS += -DHAVE_LIBBPF_SUPPORT + $(call detected,CONFIG_LIBBPF) + $(call detected,CONFIG_LIBBPF_DYNAMIC) + else + $(error Error: No libbpf devel library found or older than v1.0, please install/update libbpf-devel) + endif + else + ifeq ($(NO_ZLIB), 1) + $(warning Warning: Statically building libbpf not possible as zlib is missing) + NO_LIBBPF := 1 + else + # Libbpf will be built as a static library from tools/lib/bpf. + LIBBPF_STATIC := 1 + $(call detected,CONFIG_LIBBPF) + CFLAGS += -DHAVE_LIBBPF_SUPPORT + LIBBPF_INCLUDE = $(LIBBPF_DIR)/.. + endif + endif + endif + endif # NO_LIBBPF +endif # NO_LIBELF + +ifndef NO_SDT + ifneq ($(feature-sdt), 1) + $(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 + $(call detected,CONFIG_JITDUMP) + CFLAGS += -DHAVE_JITDUMP + endif +endif + +ifeq ($(SRCARCH),powerpc) + ifndef NO_LIBDW + CFLAGS += -DHAVE_SKIP_CALLCHAIN_IDX + endif +endif + +ifndef NO_LIBBPF + ifneq ($(feature-bpf), 1) + $(warning BPF API too old. Please install recent kernel headers. BPF support in 'perf record' is disabled.) + NO_LIBBPF := 1 + endif +endif + +ifeq ($(feature-libopenssl), 1) + $(call detected,CONFIG_LIBOPENSSL) + CFLAGS += -DHAVE_LIBOPENSSL_SUPPORT +endif + +ifndef BUILD_BPF_SKEL + # BPF skeletons control a large number of perf features, by default + # they are enabled. + BUILD_BPF_SKEL := 1 +endif + +ifeq ($(BUILD_BPF_SKEL),1) + ifeq ($(filter -DHAVE_LIBELF_SUPPORT, $(CFLAGS)),) + $(warning Warning: Disabled BPF skeletons as libelf is required by bpftool) + BUILD_BPF_SKEL := 0 + else ifeq ($(filter -DHAVE_ZLIB_SUPPORT, $(CFLAGS)),) + $(warning Warning: Disabled BPF skeletons as zlib is required by bpftool) + BUILD_BPF_SKEL := 0 + else ifeq ($(filter -DHAVE_LIBBPF_SUPPORT, $(CFLAGS)),) + $(warning Warning: Disabled BPF skeletons as libbpf is required) + BUILD_BPF_SKEL := 0 + else ifeq ($(filter -DHAVE_LIBOPENSSL_SUPPORT, $(CFLAGS)),) + $(warning Warning: Disabled BPF skeletons as libopenssl is required) + BUILD_BPF_SKEL := 0 + else ifeq ($(call get-executable,$(CLANG)),) + $(warning Warning: Disabled BPF skeletons as clang ($(CLANG)) is missing) + BUILD_BPF_SKEL := 0 + else + CLANG_VERSION := $(shell $(CLANG) --version | head -1 | sed 's/.*clang version \([[:digit:]]\+.[[:digit:]]\+.[[:digit:]]\+\).*/\1/g') + ifeq ($(call version-lt3,$(CLANG_VERSION),12.0.1),1) + $(warning Warning: Disabled BPF skeletons as reliable BTF generation needs at least $(CLANG) version 12.0.1) + BUILD_BPF_SKEL := 0 + endif + endif + ifeq ($(BUILD_BPF_SKEL),1) + $(call feature_check,clang-bpf-co-re) + ifeq ($(feature-clang-bpf-co-re), 0) + $(warning Warning: Disabled BPF skeletons as clang is too old) + BUILD_BPF_SKEL := 0 + endif + endif + ifeq ($(BUILD_BPF_SKEL),1) + $(call detected,CONFIG_PERF_BPF_SKEL) + CFLAGS += -DHAVE_BPF_SKEL + endif +endif + +ifndef GEN_VMLINUX_H + VMLINUX_H_FILE=$(src-perf)/util/bpf_skel/vmlinux/vmlinux.h +endif + +ifndef NO_LIBUNWIND + have_libunwind := + + $(call feature_check,libunwind) + ifneq ($(feature-libunwind), 1) + $(warning No libunwind found. Please install libunwind-dev[el] >= 1.1 and/or set LIBUNWIND_DIR and set LIBUNWIND=1 in the make command line as it is opt-in now) + NO_LOCAL_LIBUNWIND := 1 + else + have_libunwind := 1 + $(call detected,CONFIG_LOCAL_LIBUNWIND) + CFLAGS += -DHAVE_LIBUNWIND_SUPPORT + CFLAGS += $(LIBUNWIND_CFLAGS) + LDFLAGS += $(LIBUNWIND_LDFLAGS) + EXTLIBS_LIBUNWIND := $(LIBUNWIND_LIBS) + $(call feature_check,libunwind-debug-frame) + ifneq ($(feature-libunwind-debug-frame), 1) + CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME + endif + endif + + define PROCESS_REMOTE_LIBUNWIND_ARCH + $(call feature_check,libunwind-$(1)) + + ifeq ($$(feature-libunwind-$(1)), 1) + upper_arch := $$(shell echo $(1) | tr '[:lower:]' '[:upper:]') + $$(call detected,CONFIG_LIBUNWIND_$$(upper_arch)) + + CFLAGS += -DHAVE_LIBUNWIND_$$(upper_arch)_SUPPORT + LDFLAGS += -lunwind-$(1) + EXTLIBS_LIBUNWIND += -lunwind-$(1) + have_libunwind := 1 + + $$(call feature_check,libunwind-debug-frame-$(1)) + ifneq ($$(feature-libunwind-debug-frame-$(1)), 1) + CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME_$$(upper_arch) + endif + endif + endef + $(foreach arch,$(LIBUNWIND_ARCHS), \ + $(eval $(call PROCESS_REMOTE_LIBUNWIND_ARCH,$(arch))) \ + ) + + EXTLIBS += $(EXTLIBS_LIBUNWIND) + + ifeq ($(findstring -static,${LDFLAGS}),-static) + # gcc -static links libgcc_eh which contains piece of libunwind + LIBUNWIND_LDFLAGS += -Wl,--allow-multiple-definition + endif + + ifneq ($(have_libunwind), 1) + NO_LIBUNWIND := 1 + endif +endif + +dwarf-post-unwind := 1 +dwarf-post-unwind-text := BUG + +# setup DWARF post unwinder +ifdef NO_LIBUNWIND + ifdef NO_LIBDW + $(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 + $(call detected,CONFIG_LIBUNWIND) +endif + +ifeq ($(dwarf-post-unwind),1) + CFLAGS += -DHAVE_DWARF_UNWIND_SUPPORT + $(call detected,CONFIG_DWARF_UNWIND) +endif + +ifneq ($(NO_LIBTRACEEVENT),1) + $(call detected,CONFIG_TRACE) +endif + +ifndef NO_SLANG + ifneq ($(feature-libslang), 1) + $(warning slang not found, disables TUI support. Please install slang-devel, libslang-dev or libslang2-dev) + NO_SLANG := 1 + endif + ifndef NO_SLANG + CFLAGS += -DHAVE_SLANG_SUPPORT + EXTLIBS += -lslang + $(call detected,CONFIG_SLANG) + endif +endif + +ifdef GTK2 + FLAGS_GTK2=$(CFLAGS) $(LDFLAGS) $(EXTLIBS) $(shell $(PKG_CONFIG) --libs --cflags gtk+-2.0 2>/dev/null) + $(call feature_check,gtk2) + ifneq ($(feature-gtk2), 1) + $(warning GTK2 not found, disables GTK2 support. Please install gtk2-devel or libgtk2.0-dev) + NO_GTK2 := 1 + else + $(call feature_check,gtk2-infobar) + ifeq ($(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 + +ifdef LIBPERL + 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 = $(shell perl -MExtUtils::Embed -e ccopts 2>/dev/null) + PERL_EMBED_CCOPTS := $(filter-out -specs=%,$(PERL_EMBED_CCOPTS)) + PERL_EMBED_CCOPTS := $(filter-out -flto% -ffat-lto-objects, $(PERL_EMBED_CCOPTS)) + PERL_EMBED_LDOPTS := $(filter-out -specs=%,$(PERL_EMBED_LDOPTS)) + FLAGS_PERL_EMBED=$(PERL_EMBED_CCOPTS) $(PERL_EMBED_LDOPTS) + + $(call feature_check,libperl) + ifneq ($(feature-libperl), 1) + $(error Missing perl devel files. Please install perl-ExtUtils-Embed/libperl-dev) + else + LDFLAGS += $(PERL_EMBED_LDFLAGS) + EXTLIBS += $(PERL_EMBED_LIBADD) + CFLAGS += -DHAVE_LIBPERL_SUPPORT + $(call detected,CONFIG_LIBPERL) + endif +endif + +ifeq ($(feature-timerfd), 1) + CFLAGS += -DHAVE_TIMERFD_SUPPORT +else + $(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 + +PYTHON_EXTENSION_SUFFIX := '.so' +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 + $(call disable-python,No 'python-config' tool was found: disables Python support - please install python-devel/python-dev) + else + + ifneq ($(feature-libpython), 1) + $(call disable-python,No 'Python.h' was found: disables Python support - please install python-devel/python-dev) + else + LDFLAGS += $(PYTHON_EMBED_LDFLAGS) + EXTLIBS += $(PYTHON_EMBED_LIBADD) + PYTHON_SETUPTOOLS_INSTALLED := $(shell $(PYTHON) -c 'import setuptools;' 2> /dev/null && echo "yes" || echo "no") + ifeq ($(PYTHON_SETUPTOOLS_INSTALLED), yes) + PYTHON_EXTENSION_SUFFIX := $(shell $(PYTHON) -c 'from importlib import machinery; print(machinery.EXTENSION_SUFFIXES[0])') + ifdef CROSS_COMPILE + PYTHON_EXTENSION_SUFFIX := $(subst $(PYTHON_NATIVE),$(shell $(CC) -dumpmachine),$(PYTHON_EXTENSION_SUFFIX)) + endif + LANG_BINDINGS += $(obj-perf)python/perf$(PYTHON_EXTENSION_SUFFIX) + else + $(warning Missing python setuptools, the python binding won't be built, please install python3-setuptools or equivalent) + endif + CFLAGS += -DHAVE_LIBPYTHON_SUPPORT + $(call detected,CONFIG_LIBPYTHON) + ifeq ($(filter -fPIC,$(CFLAGS)),) + # Building a shared library requires position independent code. + CFLAGS += -fPIC + CXXFLAGS += -fPIC + endif + endif + endif + endif +endif + +ifneq ($(NO_JEVENTS),1) + ifeq ($(wildcard pmu-events/arch/$(SRCARCH)/mapfile.csv),) + NO_JEVENTS := 1 + endif +endif +ifneq ($(NO_JEVENTS),1) + NO_JEVENTS := 0 + ifndef PYTHON + $(error ERROR: No python interpreter needed for jevents generation. Install python or build with NO_JEVENTS=1.) + else + # jevents.py uses f-strings present in Python 3.6 released in Dec. 2016. + JEVENTS_PYTHON_GOOD := $(shell $(PYTHON) -c 'import sys;print("1" if(sys.version_info.major >= 3 and sys.version_info.minor >= 6) else "0")' 2> /dev/null) + ifneq ($(JEVENTS_PYTHON_GOOD), 1) + $(error ERROR: Python interpreter needed for jevents generation too old (older than 3.6). Install a newer python or build with NO_JEVENTS=1.) + endif + endif +endif + +ifdef BUILD_NONDISTRO + # call all detections now so we get correct status in VF output + $(call feature_check,libbfd) + $(call feature_check,disassembler-four-args) + $(call feature_check,disassembler-init-styled) + $(call feature_check,libbfd-threadsafe) + $(call feature_check,libbfd-liberty) + $(call feature_check,libbfd-liberty-z) + + ifneq ($(feature-libbfd-threadsafe), 1) + $(error binutils-dev(el) 2.42 or later is required for non-distro builds) + endif + + # we may be on a system that requires -liberty and (maybe) -lz + # to link against -lbfd; test each case individually here + ifeq ($(feature-libbfd), 1) + EXTLIBS += -lbfd -lopcodes + else ifeq ($(feature-libbfd-liberty), 1) + EXTLIBS += -lbfd -lopcodes -liberty + else ifeq ($(feature-libbfd-liberty-z), 1) + EXTLIBS += -lbfd -lopcodes -liberty -lz + endif + + CFLAGS += -DHAVE_LIBBFD_SUPPORT + CXXFLAGS += -DHAVE_LIBBFD_SUPPORT + $(call detected,CONFIG_LIBBFD) + + ifeq ($(feature-disassembler-four-args), 1) + CFLAGS += -DDISASM_FOUR_ARGS_SIGNATURE + endif + + ifeq ($(feature-disassembler-init-styled), 1) + CFLAGS += -DDISASM_INIT_STYLED + endif +endif + +ifndef NO_LIBLLVM + $(call feature_check,llvm-perf) + ifeq ($(feature-llvm-perf), 1) + CFLAGS += -DHAVE_LIBLLVM_SUPPORT + LLVM_CFLAGS := $(shell $(LLVM_CONFIG) --cflags 2>/dev/null) + LLVM_CXXFLAGS := $(shell $(LLVM_CONFIG) --cxxflags 2>/dev/null) + LLVM_LIBLLVM := $(shell $(LLVM_CONFIG) --libs all 2>/dev/null) $(shell $(LLVM_CONFIG) --system-libs 2>/dev/null) + LLVM_LIBDIR := $(shell $(LLVM_CONFIG) --libdir 2>/dev/null) + CFLAGS += $(LLVM_CFLAGS) + CXXFLAGS += -DHAVE_LIBLLVM_SUPPORT $(LLVM_CXXFLAGS) + LIBLLVM := $(LLVM_LIBLLVM) + EXTLIBS += -L$(LLVM_LIBDIR) $(LIBLLVM) + EXTLIBS += -lstdc++ + $(call detected,CONFIG_LIBLLVM) + else + $(warning No libllvm 13+ found, slower source file resolution, please install llvm-devel/llvm-dev) + NO_LIBLLVM := 1 + endif +endif + +ifndef NO_DEMANGLE + $(call feature_check,cxa-demangle) + ifeq ($(feature-cxa-demangle), 1) + EXTLIBS += -lstdc++ + CFLAGS += -DHAVE_CXA_DEMANGLE_SUPPORT + CXXFLAGS += -DHAVE_CXA_DEMANGLE_SUPPORT + $(call detected,CONFIG_CXX_DEMANGLE) + endif + ifdef BUILD_NONDISTRO + ifeq ($(filter -liberty,$(EXTLIBS)),) + $(call feature_check,cplus-demangle) + ifeq ($(feature-cplus-demangle), 1) + EXTLIBS += -liberty + endif + endif + ifneq ($(filter -liberty,$(EXTLIBS)),) + CFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT + CXXFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT + endif + endif +endif + +ifndef NO_LZMA + ifeq ($(feature-lzma), 1) + CFLAGS += -DHAVE_LZMA_SUPPORT + EXTLIBS += -llzma + $(call detected,CONFIG_LZMA) + else + $(warning No liblzma found, disables xz kernel module decompression, please install xz-devel/liblzma-dev) + NO_LZMA := 1 + endif +endif + +ifndef NO_LIBZSTD + ifeq ($(feature-libzstd), 1) + CFLAGS += -DHAVE_ZSTD_SUPPORT + CFLAGS += $(LIBZSTD_CFLAGS) + LDFLAGS += $(LIBZSTD_LDFLAGS) + EXTLIBS += -lzstd + $(call detected,CONFIG_ZSTD) + else + $(warning No libzstd found, disables trace compression, please install libzstd-dev[el] and/or set LIBZSTD_DIR) + NO_LIBZSTD := 1 + endif +endif + +ifndef NO_BACKTRACE + ifeq ($(feature-backtrace), 1) + CFLAGS += -DHAVE_BACKTRACE_SUPPORT + endif +endif + +ifndef NO_LIBNUMA + ifeq ($(feature-libnuma), 0) + $(warning No numa.h found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev) + NO_LIBNUMA := 1 + else + ifeq ($(feature-numa_num_possible_cpus), 0) + $(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 + $(call detected,CONFIG_NUMA) + endif + endif +endif + +ifeq (${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 ($(SRCARCH), 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 + +ifndef NO_BABELTRACE2 + $(call feature_check,babeltrace2-ctf-writer) + ifeq ($(feature-babeltrace2-ctf-writer), 1) + CFLAGS += -DHAVE_BABELTRACE2_CTF_WRITER_SUPPORT $(shell $(PKG_CONFIG) --cflags babeltrace2-ctf-writer) + LDFLAGS += $(shell $(PKG_CONFIG) --libs-only-L babeltrace2-ctf-writer) + EXTLIBS += $(shell $(PKG_CONFIG) --libs-only-l babeltrace2-ctf-writer) + $(call detected,CONFIG_BABELTRACE2_CTF_WRITER) + else + $(warning No babeltrace2 found, disables 'perf data' CTF format support, please install libbabeltrace2-dev[el]) + endif +endif + +ifndef NO_CAPSTONE + $(call feature_check,libcapstone) + ifeq ($(feature-libcapstone), 1) + CFLAGS += -DHAVE_LIBCAPSTONE_SUPPORT $(LIBCAPSTONE_CFLAGS) + ifdef LIBCAPSTONE_DLOPEN + CFLAGS += -DLIBCAPSTONE_DLOPEN + else + LDFLAGS += $(LIBCAPSTONE_LDFLAGS) + EXTLIBS += -lcapstone + endif + $(call detected,CONFIG_LIBCAPSTONE) + else + msg := $(warning No libcapstone found, disables disasm engine support for 'perf script', please install libcapstone-dev/capstone-devel); + endif +endif + +ifdef EXTRA_TESTS + $(call detected,CONFIG_EXTRA_TESTS) + CFLAGS += -DHAVE_EXTRA_TESTS +endif + +ifndef NO_JVMTI + ifneq (,$(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 /usr/sbin/alternatives --display java | tail -1 | cut -d' ' -f 5 | sed -e 's%/jre/bin/java.%%g' -e 's%/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) + ifndef NO_JVMTI_CMLR + FEATURE_CHECK_CFLAGS-jvmti-cmlr := $(FEATURE_CHECK_CFLAGS-jvmti) + $(call feature_check,jvmti-cmlr) + ifeq ($(feature-jvmti-cmlr), 1) + CFLAGS += -DHAVE_JVMTI_CMLR + endif + endif # NO_JVMTI_CMLR + else + $(warning No openjdk development package found, please install JDK package, e.g. openjdk-8-jdk, java-latest-openjdk-devel) + NO_JVMTI := 1 + endif +endif + +ifndef NO_LIBPFM4 + $(call feature_check,libpfm4) + ifeq ($(feature-libpfm4), 1) + CFLAGS += -DHAVE_LIBPFM + EXTLIBS += -lpfm + ASCIIDOC_EXTRA = -aHAVE_LIBPFM=1 + $(call detected,CONFIG_LIBPFM4) + else + $(warning libpfm4 not found, disables libpfm4 support. Please install libpfm-devel or libpfm4-dev) + endif +endif + +# libtraceevent is a recommended dependency picked up from the system. +ifneq ($(NO_LIBTRACEEVENT),1) + ifeq ($(feature-libtraceevent), 1) + CFLAGS += -DHAVE_LIBTRACEEVENT $(shell $(PKG_CONFIG) --cflags libtraceevent) + LDFLAGS += $(shell $(PKG_CONFIG) --libs-only-L libtraceevent) + EXTLIBS += $(shell $(PKG_CONFIG) --libs-only-l libtraceevent) + LIBTRACEEVENT_VERSION := $(shell $(PKG_CONFIG) --modversion libtraceevent).0.0 + LIBTRACEEVENT_VERSION_1 := $(word 1, $(subst ., ,$(LIBTRACEEVENT_VERSION))) + LIBTRACEEVENT_VERSION_2 := $(word 2, $(subst ., ,$(LIBTRACEEVENT_VERSION))) + LIBTRACEEVENT_VERSION_3 := $(word 3, $(subst ., ,$(LIBTRACEEVENT_VERSION))) + LIBTRACEEVENT_VERSION_CPP := $(shell expr $(LIBTRACEEVENT_VERSION_1) \* 255 \* 255 + $(LIBTRACEEVENT_VERSION_2) \* 255 + $(LIBTRACEEVENT_VERSION_3)) + CFLAGS += -DLIBTRACEEVENT_VERSION=$(LIBTRACEEVENT_VERSION_CPP) + $(call detected,CONFIG_LIBTRACEEVENT) + else + $(error ERROR: libtraceevent is missing. Please install libtraceevent-dev/libtraceevent-devel and/or set LIBTRACEEVENT_DIR or build with NO_LIBTRACEEVENT=1) + endif +endif + +ifndef NO_RUST + $(call feature_check,rust) + ifneq ($(feature-rust), 1) + $(warning Rust is not found. Test workloads with rust are disabled.) + NO_RUST := 1 + else + NO_RUST := 0 + CFLAGS += -DHAVE_RUST_SUPPORT + $(call detected,CONFIG_RUST_SUPPORT) + endif + + ifneq ($(CROSS_COMPILE),) + RUST_TARGET_FLAGS_arm := arm-unknown-linux-gnueabi + RUST_TARGET_FLAGS_arm64 := aarch64-unknown-linux-gnu + RUST_TARGET_FLAGS_m68k := m68k-unknown-linux-gnu + RUST_TARGET_FLAGS_mips := mipsel-unknown-linux-gnu + RUST_TARGET_FLAGS_powerpc := powerpc64le-unknown-linux-gnu + RUST_TARGET_FLAGS_riscv := riscv64gc-unknown-linux-gnu + RUST_TARGET_FLAGS_s390 := s390x-unknown-linux-gnu + RUST_TARGET_FLAGS_x86 := x86_64-unknown-linux-gnu + RUST_TARGET_FLAGS_x86_64 := x86_64-unknown-linux-gnu + + ifeq ($(RUST_TARGET_FLAGS_$(ARCH)),) + $(error Unknown rust cross compilation architecture $(ARCH)) + endif + + RUST_FLAGS += --target=$(RUST_TARGET_FLAGS_$(ARCH)) + endif +endif + +# Among the variables below, these: +# perfexecdir +# libbpf_include_dir +# perf_examples_dir +# 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)) +includedir_relative = include +includedir = $(abspath $(prefix)/$(includedir_relative)) +mandir = share/man +infodir = share/info +perfexecdir = libexec/perf-core +# FIXME: system's libbpf header directory, where we expect to find bpf/bpf_helpers.h, for instance +libbpf_include_dir = /usr/include +perf_examples_dir = lib/perf/examples +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 = $(prefix)/etc +ETC_PERFCONFIG = etc/perfconfig +endif +ifndef lib +ifeq ($(SRCARCH)$(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)) +includedir_SQ = $(subst ','\'',$(includedir)) +mandir_SQ = $(subst ','\'',$(mandir)) +infodir_SQ = $(subst ','\'',$(infodir)) +perfexecdir_SQ = $(subst ','\'',$(perfexecdir)) +libbpf_include_dir_SQ = $(subst ','\'',$(libbpf_include_dir)) +perf_examples_dir_SQ = $(subst ','\'',$(perf_examples_dir)) +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) +perf_include_instdir = $(libbpf_include_dir) +perf_examples_instdir = $(perf_examples_dir) +STRACE_GROUPS_INSTDIR = $(STRACE_GROUPS_DIR) +tip_instdir = $(tipdir) +else +perfexec_instdir = $(prefix)/$(perfexecdir) +perf_include_instdir = $(prefix)/$(libbpf_include_dir) +perf_examples_instdir = $(prefix)/$(perf_examples_dir) +STRACE_GROUPS_INSTDIR = $(prefix)/$(STRACE_GROUPS_DIR) +tip_instdir = $(prefix)/$(tipdir) +endif +perfexec_instdir_SQ = $(subst ','\'',$(perfexec_instdir)) +perf_include_instdir_SQ = $(subst ','\'',$(perf_include_instdir)) +perf_examples_instdir_SQ = $(subst ','\'',$(perf_examples_instdir)) +STRACE_GROUPS_INSTDIR_SQ = $(subst ','\'',$(STRACE_GROUPS_INSTDIR)) +tip_instdir_SQ = $(subst ','\'',$(tip_instdir)) + +export perfexec_instdir_SQ + +print_var = $(eval $(print_var_code)) $(info $(MSG)) +define print_var_code + MSG = $(shell printf '...%40s: %s' $(1) $($(1))) +endef + +ifeq ($(feature_display),1) + $(call feature_display_entries) +endif + +ifeq ($(VF),1) + # Display EXTRA features which are detected manualy + # from here with feature_check call and thus cannot + # be partof global state output. + $(foreach feat,$(FEATURE_TESTS_EXTRA),$(call feature_print_status,$(feat),) $(info $(MSG))) + $(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)) $(info $(MSG)) + endif +endif + +$(info ) + +$(call detected_var,bindir_SQ) +$(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,libbpf_include_dir_SQ) +$(call detected_var,perf_examples_dir_SQ) +$(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) +$(call detected_var,PYTHON_EMBED_CCOPTS) +ifneq ($(BISON_FILE_PREFIX_MAP),) +$(call detected_var,BISON_FILE_PREFIX_MAP) +endif + +# re-generate FEATURE-DUMP as we may have called feature_check, found out +# extra libraries to add to LDFLAGS of some other test and then redo those +# tests. +$(shell rm -f $(FEATURE_DUMP_FILENAME)) +$(foreach feat,$(FEATURE_TESTS),$(shell echo "$(call feature_assign,$(feat))" >> $(FEATURE_DUMP_FILENAME))) |