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Makefile.config
# 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)) # Enabled Wthread-safety analysis for clang builds. ifeq ($(CC_NO_CLANG), 0) CFLAGS += -Wthread-safety endif include $(srctree)/tools/scripts/Makefile.arch $(call detected_var,SRCARCH) NO_PERF_REGS := 1 ifneq ($(NO_SYSCALL_TABLE),1) NO_SYSCALL_TABLE := 1 ifeq ($(SRCARCH),x86) ifeq (${IS_64_BIT}, 1) NO_SYSCALL_TABLE := 0 endif else ifeq ($(SRCARCH),$(filter $(SRCARCH),powerpc arm64 s390 mips loongarch)) NO_SYSCALL_TABLE := 0 endif endif ifneq ($(NO_SYSCALL_TABLE),1) CFLAGS += -DHAVE_SYSCALL_TABLE_SUPPORT endif endif # Additional ARCH settings for ppc ifeq ($(SRCARCH),powerpc) NO_PERF_REGS := 0 CFLAGS += -I$(OUTPUT)arch/powerpc/include/generated LIBUNWIND_LIBS := -lunwind -lunwind-ppc64 endif # Additional ARCH settings for x86 ifeq ($(SRCARCH),x86) $(call detected,CONFIG_X86) ifeq (${IS_64_BIT}, 1) CFLAGS += -DHAVE_ARCH_X86_64_SUPPORT -I$(OUTPUT)arch/x86/include/generated ARCH_INCLUDE = ../../arch/x86/lib/memcpy_64.S ../../arch/x86/lib/memset_64.S LIBUNWIND_LIBS = -lunwind-x86_64 -lunwind -llzma $(call detected,CONFIG_X86_64) else LIBUNWIND_LIBS = -lunwind-x86 -llzma -lunwind endif NO_PERF_REGS := 0 endif ifeq ($(SRCARCH),arm) NO_PERF_REGS := 0 LIBUNWIND_LIBS = -lunwind -lunwind-arm endif ifeq ($(SRCARCH),arm64) NO_PERF_REGS := 0 CFLAGS += -I$(OUTPUT)arch/arm64/include/generated LIBUNWIND_LIBS = -lunwind -lunwind-aarch64 endif ifeq ($(SRCARCH),loongarch) NO_PERF_REGS := 0 CFLAGS += -I$(OUTPUT)arch/loongarch/include/generated LIBUNWIND_LIBS = -lunwind -lunwind-loongarch64 endif ifeq ($(SRCARCH),riscv) NO_PERF_REGS := 0 endif ifeq ($(SRCARCH),csky) NO_PERF_REGS := 0 endif ifeq ($(ARCH),s390) NO_PERF_REGS := 0 CFLAGS += -fPIC -I$(OUTPUT)arch/s390/include/generated endif ifeq ($(ARCH),mips) NO_PERF_REGS := 0 CFLAGS += -I$(OUTPUT)arch/mips/include/generated LIBUNWIND_LIBS = -lunwind -lunwind-mips endif ifeq ($(NO_PERF_REGS),0) $(call detected,CONFIG_PERF_REGS) endif # So far there's only x86 and arm libdw unwind support merged in perf. # Disable it on all other architectures in case libdw unwind # support is detected in system. Add supported architectures # to the check. ifneq ($(SRCARCH),$(filter $(SRCARCH),x86 arm arm64 powerpc s390 csky riscv loongarch)) NO_LIBDW_DWARF_UNWIND := 1 endif ifeq ($(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 loongarch $(foreach libunwind_arch,$(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) $(LIBUNWIND_LIBS) FEATURE_CHECK_LDFLAGS-libunwind-arm += -lunwind -lunwind-arm FEATURE_CHECK_LDFLAGS-libunwind-aarch64 += -lunwind -lunwind-aarch64 FEATURE_CHECK_LDFLAGS-libunwind-x86 += -lunwind -llzma -lunwind-x86 FEATURE_CHECK_LDFLAGS-libunwind-x86_64 += -lunwind -llzma -lunwind-x86_64 FEATURE_CHECK_LDFLAGS-libcrypto = -lcrypto ifdef CSINCLUDES LIBOPENCSD_CFLAGS := -I$(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) $(OPENCSDLIBS) ifeq ($(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 DWARFLIBS := -ldw ifeq ($(findstring -static,${LDFLAGS}),-static) DWARFLIBS += -lelf -lebl -ldl -lz -llzma -lbz2 endif FEATURE_CHECK_CFLAGS-libdw-dwarf-unwind := $(LIBDW_CFLAGS) FEATURE_CHECK_LDFLAGS-libdw-dwarf-unwind := $(LIBDW_LDFLAGS) $(DWARFLIBS) # for linking with debug library, run like: # make DEBUG=1 LIBBABELTRACE_DIR=/opt/libbabeltrace/ ifdef LIBBABELTRACE_DIR LIBBABELTRACE_CFLAGS := -I$(LIBBABELTRACE_DIR)/include LIBBABELTRACE_LDFLAGS := -L$(LIBBABELTRACE_DIR)/lib endif FEATURE_CHECK_CFLAGS-libbabeltrace := $(LIBBABELTRACE_CFLAGS) FEATURE_CHECK_LDFLAGS-libbabeltrace := $(LIBBABELTRACE_LDFLAGS) -lbabeltrace-ctf ifdef LIBZSTD_DIR LIBZSTD_CFLAGS := -I$(LIBZSTD_DIR)/lib LIBZSTD_LDFLAGS := -L$(LIBZSTD_DIR)/lib endif FEATURE_CHECK_CFLAGS-libzstd := $(LIBZSTD_CFLAGS) FEATURE_CHECK_LDFLAGS-libzstd := $(LIBZSTD_LDFLAGS) FEATURE_CHECK_CFLAGS-bpf = -I. -I$(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 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: $(BISON) is missing on this system, please install it) endif ifneq ($(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 ($(DEBUG),0) CORE_CFLAGS += -DNDEBUG=1 ifeq ($(CC_NO_CLANG), 0) CORE_CFLAGS += -O3 else CORE_CFLAGS += -O6 endif 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) 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 FEATURE_CHECK_LDFLAGS-disassembler-four-args = -lbfd -lopcodes -ldl FEATURE_CHECK_LDFLAGS-disassembler-init-styled = -lbfd -lopcodes -ldl CORE_CFLAGS += -fno-omit-frame-pointer CORE_CFLAGS += -Wall CORE_CFLAGS += -Wextra CORE_CFLAGS += -std=gnu11 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, see the disassembler-four-args case, for instance 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-get_current_dir_name), 1) CFLAGS += -DHAVE_GET_CURRENT_DIR_NAME endif ifeq ($(feature-gettid), 1) CFLAGS += -DHAVE_GETTID endif ifeq ($(feature-file-handle), 1) CFLAGS += -DHAVE_FILE_HANDLE endif ifdef NO_LIBELF NO_DWARF := 1 NO_LIBUNWIND := 1 NO_LIBDW_DWARF_UNWIND := 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) msg := $(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) msg := $(error No libasan found, please install libasan); endif endif ifneq ($(filter s% -fsanitize=undefined%,$(EXTRA_CFLAGS),),) ifneq ($(shell ldconfig -p | grep libubsan >/dev/null 2>&1; echo $$?), 0) msg := $(error No libubsan found, please install libubsan); endif endif ifneq ($(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 := $(warning Old libdw.h, finding variables at given 'perf probe' point will not work, install elfutils-devel/libdw-dev >= 0.157); else CFLAGS += -DHAVE_DWARF_GETLOCATIONS_SUPPORT endif # dwarf_getlocations ifneq ($(feature-dwarf_getcfi), 1) msg := $(warning Old libdw.h, finding variables at given 'perf probe' point will not work, install elfutils-devel/libdw-dev >= 0.142); else CFLAGS += -DHAVE_DWARF_CFI_SUPPORT endif # dwarf_getcfi endif # Dwarf support endif # libelf support endif # NO_LIBELF ifeq ($(feature-libaio), 1) ifndef NO_AIO CFLAGS += -DHAVE_AIO_SUPPORT endif endif ifdef NO_DWARF NO_LIBDW_DWARF_UNWIND := 1 endif ifeq ($(feature-scandirat), 1) CFLAGS += -DHAVE_SCANDIRAT_SUPPORT endif ifeq ($(feature-sched_getcpu), 1) CFLAGS += -DHAVE_SCHED_GETCPU_SUPPORT endif ifeq ($(feature-setns), 1) CFLAGS += -DHAVE_SETNS_SUPPORT $(call detected,CONFIG_SETNS) endif ifdef CORESIGHT $(call feature_check,libopencsd) ifeq ($(feature-libopencsd), 1) CFLAGS += -DHAVE_CSTRACE_SUPPORT $(LIBOPENCSD_CFLAGS) ifeq ($(feature-reallocarray), 0) CFLAGS += -DCOMPAT_NEED_REALLOCARRAY endif 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 dummy := $(error Error: No libopencsd library found or the version is not up-to-date. Please install recent libopencsd to build with CORESIGHT=1) endif endif ifndef NO_ZLIB ifeq ($(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 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_LIBDEBUGINFOD $(call feature_check,libdebuginfod) ifeq ($(feature-libdebuginfod), 1) CFLAGS += -DHAVE_DEBUGINFOD_SUPPORT EXTLIBS += -ldebuginfod endif endif ifndef NO_DWARF ifeq ($(origin PERF_HAVE_DWARF_REGS), undefined) msg := $(warning DWARF register mappings have not been defined for architecture $(SRCARCH), DWARF support disabled); NO_DWARF := 1 else CFLAGS += -DHAVE_DWARF_SUPPORT $(LIBDW_CFLAGS) LDFLAGS += $(LIBDW_LDFLAGS) EXTLIBS += ${DWARFLIBS} $(call detected,CONFIG_DWARF) endif # PERF_HAVE_DWARF_REGS endif # NO_DWARF ifndef NO_LIBBPF ifeq ($(feature-bpf), 1) # detecting libbpf without LIBBPF_DYNAMIC, so make VF=1 shows libbpf detection status $(call feature_check,libbpf) ifdef LIBBPF_DYNAMIC ifeq ($(feature-libbpf), 1) EXTLIBS += -lbpf CFLAGS += -DHAVE_LIBBPF_SUPPORT $(call detected,CONFIG_LIBBPF) $(call detected,CONFIG_LIBBPF_DYNAMIC) else dummy := $(error Error: No libbpf devel library found or older than v1.0, please install/update libbpf-devel); endif else ifeq ($(NO_ZLIB), 1) dummy := $(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 $(call detected,CONFIG_LIBBPF) CFLAGS += -DHAVE_LIBBPF_SUPPORT endif endif endif endif # NO_LIBBPF endif # NO_LIBELF ifndef NO_SDT ifneq ($(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 $(call detected,CONFIG_JITDUMP) CFLAGS += -DHAVE_JITDUMP endif endif ifeq ($(SRCARCH),powerpc) ifndef NO_DWARF CFLAGS += -DHAVE_SKIP_CALLCHAIN_IDX endif endif ifndef NO_LIBUNWIND have_libunwind := $(call feature_check,libunwind-x86) ifeq ($(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 $(call feature_check,libunwind-aarch64) ifeq ($(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 := $(warning BPF API too old. Please install recent kernel headers. BPF support in 'perf record' is disabled.) NO_LIBBPF := 1 endif endif ifndef BUILD_BPF_SKEL # BPF skeletons control a large number of perf features, by default # they are enabled. BUILD_BPF_SKEL := 1 endif ifeq ($(BUILD_BPF_SKEL),1) ifeq ($(filter -DHAVE_LIBELF_SUPPORT, $(CFLAGS)),) dummy := $(warning Warning: Disabled BPF skeletons as libelf is required by bpftool) BUILD_BPF_SKEL := 0 else ifeq ($(filter -DHAVE_ZLIB_SUPPORT, $(CFLAGS)),) dummy := $(warning Warning: Disabled BPF skeletons as zlib is required by bpftool) BUILD_BPF_SKEL := 0 else ifeq ($(filter -DHAVE_LIBBPF_SUPPORT, $(CFLAGS)),) dummy := $(warning Warning: Disabled BPF skeletons as libbpf is required) BUILD_BPF_SKEL := 0 else ifeq ($(call get-executable,$(CLANG)),) dummy := $(warning Warning: Disabled BPF skeletons as clang ($(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) dummy := $(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) dummy := $(warning Warning: Disabled BPF skeletons as clang is too old) BUILD_BPF_SKEL := 0 endif endif ifeq ($(BUILD_BPF_SKEL),1) $(call detected,CONFIG_PERF_BPF_SKEL) CFLAGS += -DHAVE_BPF_SKEL endif endif ifndef GEN_VMLINUX_H VMLINUX_H=$(src-perf)/util/bpf_skel/vmlinux/vmlinux.h 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 $(call detected,CONFIG_DWARF_UNWIND) else NO_DWARF_UNWIND := 1 endif ifndef NO_LOCAL_LIBUNWIND ifeq ($(SRCARCH),$(filter $(SRCARCH),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 += $(LIBUNWIND_LIBS) endif ifeq ($(findstring -static,${LDFLAGS}),-static) # gcc -static links libgcc_eh which contans piece of libunwind LIBUNWIND_LDFLAGS += -Wl,--allow-multiple-definition endif ifndef NO_LIBUNWIND CFLAGS += -DHAVE_LIBUNWIND_SUPPORT CFLAGS += $(LIBUNWIND_CFLAGS) LDFLAGS += $(LIBUNWIND_LDFLAGS) EXTLIBS += $(EXTLIBS_LIBUNWIND) endif ifneq ($(NO_LIBTRACEEVENT),1) ifeq ($(NO_SYSCALL_TABLE),0) $(call detected,CONFIG_TRACE) else ifndef NO_LIBAUDIT $(call feature_check,libaudit) ifneq ($(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 $(call detected,CONFIG_TRACE) endif endif endif endif ifndef NO_LIBCRYPTO ifneq ($(feature-libcrypto), 1) msg := $(warning No libcrypto.h found, disables jitted code injection, please install openssl-devel or libssl-dev); NO_LIBCRYPTO := 1 else CFLAGS += -DHAVE_LIBCRYPTO_SUPPORT EXTLIBS += -lcrypto $(call detected,CONFIG_CRYPTO) endif endif ifndef NO_SLANG ifneq ($(feature-libslang), 1) ifneq ($(feature-libslang-include-subdir), 1) msg := $(warning slang not found, disables TUI support. Please install slang-devel, libslang-dev or libslang2-dev); NO_SLANG := 1 else CFLAGS += -DHAVE_SLANG_INCLUDE_SUBDIR endif endif ifndef NO_SLANG # Fedora has /usr/include/slang/slang.h, but ubuntu /usr/include/slang.h 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) msg := $(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 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 = $(shell perl -MExtUtils::Embed -e ccopts 2>/dev/null) PERL_EMBED_CCOPTS := $(filter-out -specs=%,$(PERL_EMBED_CCOPTS)) PERL_EMBED_CCOPTS := $(filter-out -flto=auto -ffat-lto-objects, $(PERL_EMBED_CCOPTS)) PERL_EMBED_LDOPTS := $(filter-out -specs=%,$(PERL_EMBED_LDOPTS)) 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 += $(PERL_EMBED_LIBADD) CFLAGS += -DHAVE_LIBPERL_SUPPORT ifeq ($(CC_NO_CLANG), 0) CFLAGS += -Wno-compound-token-split-by-macro endif $(call detected,CONFIG_LIBPERL) endif endif ifeq ($(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 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])') LANG_BINDINGS += $(obj-perf)python/perf$(PYTHON_EXTENSION_SUFFIX) else msg := $(warning Missing python setuptools, the python binding won't be built, please install python3-setuptools or equivalent); endif CFLAGS += -DHAVE_LIBPYTHON_SUPPORT $(call detected,CONFIG_LIBPYTHON) endif endif endif endif ifneq ($(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 HAVE_NO_LIBBFD feature-libbfd := 0 $(info libbfd overidden OFF) else ifdef BUILD_NONDISTRO ifeq ($(feature-libbfd), 1) EXTLIBS += -lbfd -lopcodes else # we are on a system that requires -liberty and (maybe) -lz # to link against -lbfd; test each case individually here # call all detections now so we get correct # status in VF output $(call feature_check,libbfd-liberty) $(call feature_check,libbfd-liberty-z) ifeq ($(feature-libbfd-liberty), 1) EXTLIBS += -lbfd -lopcodes -liberty FEATURE_CHECK_LDFLAGS-disassembler-four-args += -liberty -ldl FEATURE_CHECK_LDFLAGS-disassembler-init-styled += -liberty -ldl else ifeq ($(feature-libbfd-liberty-z), 1) EXTLIBS += -lbfd -lopcodes -liberty -lz FEATURE_CHECK_LDFLAGS-disassembler-four-args += -liberty -lz -ldl FEATURE_CHECK_LDFLAGS-disassembler-init-styled += -liberty -lz -ldl endif endif $(call feature_check,disassembler-four-args) $(call feature_check,disassembler-init-styled) endif CFLAGS += -DHAVE_LIBBFD_SUPPORT CXXFLAGS += -DHAVE_LIBBFD_SUPPORT ifeq ($(feature-libbfd-buildid), 1) CFLAGS += -DHAVE_LIBBFD_BUILDID_SUPPORT else msg := $(warning Old version of libbfd/binutils things like PE executable profiling will not be available); endif 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 msg := $(warning No liblzma found, disables xz kernel module decompression, please install xz-devel/liblzma-dev); NO_LZMA := 1 endif endif ifndef NO_LIBZSTD ifeq ($(feature-libzstd), 1) CFLAGS += -DHAVE_ZSTD_SUPPORT CFLAGS += $(LIBZSTD_CFLAGS) LDFLAGS += $(LIBZSTD_LDFLAGS) EXTLIBS += -lzstd $(call detected,CONFIG_ZSTD) else msg := $(warning No libzstd found, disables trace compression, please install libzstd-dev[el] and/or set LIBZSTD_DIR); NO_LIBZSTD := 1 endif endif ifndef NO_LIBCAP ifeq ($(feature-libcap), 1) CFLAGS += -DHAVE_LIBCAP_SUPPORT EXTLIBS += -lcap $(call detected,CONFIG_LIBCAP) else msg := $(warning No libcap found, disables capability support, please install libcap-devel/libcap-dev); NO_LIBCAP := 1 endif endif ifndef NO_BACKTRACE ifeq ($(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 $(call detected,CONFIG_NUMA) endif endif endif ifdef HAVE_KVM_STAT_SUPPORT CFLAGS += -DHAVE_KVM_STAT_SUPPORT endif ifeq ($(feature-disassembler-four-args), 1) CFLAGS += -DDISASM_FOUR_ARGS_SIGNATURE endif ifeq ($(feature-disassembler-init-styled), 1) CFLAGS += -DDISASM_INIT_STYLED endif ifeq (${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_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 := $(warning No libbabeltrace found, disables 'perf data' CTF format support, please install libbabeltrace-dev[el]/libbabeltrace-ctf-dev); endif endif ifndef NO_AUXTRACE ifeq ($(SRCARCH),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 $(call detected,CONFIG_AUXTRACE) CFLAGS += -DHAVE_AUXTRACE_SUPPORT ifeq ($(feature-reallocarray), 0) CFLAGS += -DCOMPAT_NEED_REALLOCARRAY endif 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-1.8.0-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 msg := $(warning libpfm4 not found, disables libpfm4 support. Please install libpfm4-dev); endif endif # libtraceevent is a recommended dependency picked up from the system. ifneq ($(NO_LIBTRACEEVENT),1) $(call feature_check,libtraceevent) ifeq ($(feature-libtraceevent), 1) CFLAGS += -DHAVE_LIBTRACEEVENT EXTLIBS += -ltraceevent LIBTRACEEVENT_VERSION := $(shell $(PKG_CONFIG) --modversion libtraceevent) 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 dummy := $(error ERROR: libtraceevent is missing. Please install libtraceevent-dev/libtraceevent-devel or build with NO_LIBTRACEEVENT=1) endif $(call feature_check,libtracefs) ifeq ($(feature-libtracefs), 1) EXTLIBS += -ltracefs LIBTRACEFS_VERSION := $(shell $(PKG_CONFIG) --modversion libtracefs) LIBTRACEFS_VERSION_1 := $(word 1, $(subst ., ,$(LIBTRACEFS_VERSION))) LIBTRACEFS_VERSION_2 := $(word 2, $(subst ., ,$(LIBTRACEFS_VERSION))) LIBTRACEFS_VERSION_3 := $(word 3, $(subst ., ,$(LIBTRACEFS_VERSION))) LIBTRACEFS_VERSION_CPP := $(shell expr $(LIBTRACEFS_VERSION_1) \* 255 \* 255 + $(LIBTRACEFS_VERSION_2) \* 255 + $(LIBTRACEFS_VERSION_3)) CFLAGS += -DLIBTRACEFS_VERSION=$(LIBTRACEFS_VERSION_CPP) 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, see the block about libbfd, disassembler-four-args, for instance. $(shell rm -f $(FEATURE_DUMP_FILENAME)) $(foreach feat,$(FEATURE_TESTS),$(shell echo "$(call feature_assign,$(feat))" >> $(FEATURE_DUMP_FILENAME)))