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common.inc
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common.inc
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# SPDX-License-Identifier: BSD-3-Clause
# Copyright 2014-2023, Intel Corporation
#
# src/common.inc -- common Makefile rules for PMDK
#
TOP := $(dir $(lastword $(MAKEFILE_LIST)))..
# import user variables
ifneq ($(wildcard $(TOP)/user.mk),)
include $(TOP)/user.mk
endif
LN = ln
OBJCOPY ?= objcopy
MKDIR = mkdir
INSTALL = install
CP = cp
CSTYLE = $(TOP)/utils/cstyle
CSTYLEON ?= 0
STYLE_CHECK = $(TOP)/utils/style_check.sh
CHECK_SHEBANG = $(TOP)/utils/check-shebang.sh
CHECK_OS = $(TOP)/utils/check-os.sh
OS_BANNED = $(TOP)/utils/os-banned
COVERAGE = 0
FAULT_INJECTION ?= 0
PKG_CONFIG ?= pkg-config
HEADERS = $(wildcard *.h) $(wildcard *.hpp)
ifeq ($(SRCVERSION),)
export SRCVERSION := $(shell $(TOP)/utils/version.sh $(TOP))
else
export SRCVERSION
endif
ifeq ($(SRCVERSION),)
$(error Cannot evaluate version)
endif
ifeq ($(CLANG_FORMAT),)
ifeq ($(shell command -v clang-format-9 > /dev/null && echo y || echo n), y)
export CLANG_FORMAT ?= clang-format-9
else
export CLANG_FORMAT ?= clang-format
endif
endif
ifeq ($(FLAKE8),)
export FLAKE8 ?= flake8
endif
GCOV_CFLAGS=-fprofile-arcs -ftest-coverage --coverage
GCOV_LDFLAGS=-fprofile-arcs -ftest-coverage
GCOV_LIBS=-lgcov
LIBS += $(EXTRA_LIBS)
get_arch = $(shell $(CC) -dumpmachine | awk -F'[/-]' '{print $$1}')
ifeq ($(ARCH),)
export ARCH := $(call get_arch)
endif
ifeq ($(ARCH),amd64)
override ARCH := x86_64
endif
ifeq ($(ARCH),arm64)
override ARCH := aarch64
endif
ifneq ($(filter $(ARCH), powerpc64 powerpc64le ppc64 ppc64le ppc64el powerpc),)
override ARCH := ppc64
endif
ifeq ($(PKG_CONFIG_CHECKED),)
ifeq ($(shell command -v $(PKG_CONFIG) && echo y || echo n), n)
$(error $(PKG_CONFIG) not found)
endif
endif
export PKG_CONFIG_CHECKED := y
check_package = $(shell $(PKG_CONFIG) $(1) && echo y || echo n)
check_flag = $(shell echo "int main(){return 0;}" |\
$(CC) $(CFLAGS) -Werror $(1) -x c -o /dev/null - 2>/dev/null && echo y || echo n)
check_compiler = $(shell $(CC) --version | grep $(1) && echo y || echo n)
check_Wconversion = $(shell echo "long random(void); char test(void); char test(void){char a = 0; char b = 'a'; char ret = random() == 1 ? a : b; return ret;}" |\
$(CC) -c $(CFLAGS) -Wconversion -x c -o /dev/null - 2>/dev/null && echo y || echo n)
check_librt = $(shell echo "int main() { struct timespec t; return clock_gettime(CLOCK_MONOTONIC, &t); }" |\
$(CC) $(CFLAGS) -x c -include time.h -o /dev/null - 2>/dev/null && echo n || echo y)
# XXX: required by clock_gettime(), if glibc version < 2.17
# The os_clock_gettime() function is now in OS abstraction layer,
# linked to all the librariess, unit tests and benchmarks.
ifeq ($(LIBRT_NEEDED),)
export LIBRT_NEEDED := $(call check_librt)
else
export LIBRT_NEEDED
endif
ifeq ($(IS_ICC),)
export IS_ICC := $(call check_compiler, icc)
else
export IS_ICC
endif
ifeq ($(WCONVERSION_AVAILABLE),)
export WCONVERSION_AVAILABLE := $(call check_Wconversion)
else
export WCONVERSION_AVAILABLE
endif
ifeq ($(WUNREACHABLE_CODE_RETURN_AVAILABLE),)
ifeq ($(IS_ICC), n)
export WUNREACHABLE_CODE_RETURN_AVAILABLE := $(call check_flag, -Wunreachable-code-return)
else
export WUNREACHABLE_CODE_RETURN_AVAILABLE := n
endif
else
export WUNREACHABLE_CODE_RETURN_AVAILABLE
endif
ifeq ($(WMISSING_VARIABLE_DECLARATIONS_AVAILABLE),)
ifeq ($(IS_ICC), n)
export WMISSING_VARIABLE_DECLARATIONS_AVAILABLE := $(call check_flag, -Wmissing-variable-declarations)
else
export WMISSING_VARIABLE_DECLARATIONS_AVAILABLE := n
endif
else
export WMISSING_VARIABLE_DECLARATIONS_AVAILABLE
endif
ifeq ($(WFLOAT_EQUAL_AVAILABLE),)
ifeq ($(IS_ICC), n)
export WFLOAT_EQUAL_AVAILABLE := $(call check_flag, -Wfloat-equal)
else
export WFLOAT_EQUAL_AVAILABLE := n
endif
else
export WFLOAT_EQUAL_AVAILABLE
endif
ifeq ($(WSWITCH_DEFAULT_AVAILABLE),)
ifeq ($(IS_ICC), n)
export WSWITCH_DEFAULT_AVAILABLE := $(call check_flag, -Wswitch-default)
else
export WSWITCH_DEFAULT_AVAILABLE := n
endif
else
export WSWITCH_DEFAULT_AVAILABLE
endif
ifeq ($(WCAST_FUNCTION_TYPE_AVAILABLE),)
ifeq ($(IS_ICC), n)
export WCAST_FUNCTION_TYPE_AVAILABLE := $(call check_flag, -Wcast-function-type)
else
export WCAST_FUNCTION_TYPE_AVAILABLE := n
endif
else
export WCAST_FUNCTION_TYPE_AVAILABLE
endif
ifeq ($(WSTRINGOP_TRUNCATION_AVAILABLE),)
export WSTRINGOP_TRUNCATION_AVAILABLE := $(call check_flag, -Wstringop-truncation)
else
export WSTRINGOP_TRUNCATION_AVAILABLE
endif
ifeq ($(OG_AVAILABLE),)
export OG_AVAILABLE := $(call check_flag, -Og)
else
export OG_AVAILABLE
endif
install_recursive = $(shell cd $(1) && find . -type f -exec install -m $(2) -D {} $(3)/{} \;)
install_recursive_filter = $(shell cd $(1) && find . -type f -name "$(2)" -exec install -m $(3) -D {} $(4)/{} \;)
define create-deps
@cp $(objdir)/$*.d $(objdir)/.deps/$*.P; \
sed -e 's/#.*//' -e 's/^[^:]*: *//' -e 's/ *\\$$//' \
-e '/^$$/ d' -e 's/$$/ :/' < $(objdir)/$*.d >> $(objdir)/.deps/$*.P; \
$(RM) -f $(objdir)/$*.d
endef
check_defined = \
$(strip $(foreach 1,$1, \
$(call __check_defined,$1,$(strip $(value 2)))))
__check_defined = \
$(if $(value $1),, \
$(error Undefined $1$(if $2, ($2))))
export prefix = /usr/local
export exec_prefix := $(prefix)
export sysconfdir := $(prefix)/etc
export datarootdir := $(prefix)/share
export mandir := $(datarootdir)/man
export docdir := $(datarootdir)/doc
export man1dir := $(mandir)/man1
export man3dir := $(mandir)/man3
export man5dir := $(mandir)/man5
export man7dir := $(mandir)/man7
export cstyle_bin := $(CSTYLE)
export clang_format_bin := $(CLANG_FORMAT)
export flake8_bin := $(FLAKE8)
ifneq ($(wildcard $(exec_prefix)/x86_64-linux-gnu),)
LIB_PREFIX ?= x86_64-linux-gnu/lib
endif
ifneq ($(wildcard $(exec_prefix)/lib64),)
LIB_PREFIX ?= lib64
endif
LIB_PREFIX ?= lib
all:
cstyle-%:
$(STYLE_CHECK) $* $(wildcard *.[ch]) $(wildcard *.[ch]pp) $(wildcard *.py)
cstyle: cstyle-check
format: cstyle-format
ifeq ($(CSTYLEON),1)
define check-cstyle
@$(STYLE_CHECK) check $1 && if [ "$2" != "" ]; then mkdir -p `dirname $2` && touch $2; fi
endef
else ifeq ($(CSTYLEON),2)
define check-cstyle
@$(STYLE_CHECK) check $1 && if [ "$2" != "" ]; then mkdir -p `dirname $2` && touch $2; fi || true
endef
else
define check-cstyle
endef
endif
define check-os
$(CHECK_OS) $(OS_BANNED) $(1) $(2)
endef
# XXX: to allow gcov tool to connect coverage with source code, we have to
# use absolute path to source files
ifeq ($(COVERAGE),1)
define coverage-path
`readlink -f $(1)`
endef
else
define coverage-path
$(1)
endef
endif
define sub-target-foreach
$(1)-$(2):
$$(MAKE) -C $1 $2
ifeq ($(3),y)
ifeq ($(custom_build),)
$$(MAKE) -C $1 $2 DEBUG=1
endif
endif
endef
define sub-target
$(foreach f, $(1), $(eval $(call sub-target-foreach, $f,$(2),$(3))))
endef
ifneq ($(wildcard $(prefix)/x86_64-linux-gnu),)
INC_PREFIX ?= x86_64-linux-gnu/include
endif
INC_PREFIX ?= include
test_build=$(addprefix "-b ", $(TEST_BUILD))
test_type=$(addprefix " -t ", $(TEST_TYPE))
test_fs=$(addprefix " -f ", $(TEST_FS))
test_time=$(addprefix " -o ", $(TEST_TIME))
test_memcheck=$(addprefix " -m ", $(MEMCHECK))
test_pmemcheck=$(addprefix " -p ", $(PMEMCHECK))
test_helgrind=$(addprefix " -e ", $(HELGRIND))
test_drd=$(addprefix " -d ", $(DRD))
ifeq ($(CHECK_POOL),y)
test_check_pool=" -c "
endif
RUNTEST_OPTIONS := "$(test_build)$(test_type)$(test_fs)$(test_time)"
RUNTEST_OPTIONS += "$(test_memcheck)$(test_pmemcheck)$(test_helgrind)$(test_drd)"
RUNTEST_OPTIONS += "$(test_check_pool)"
export libdir := $(exec_prefix)/$(LIB_PREFIX)
export includedir := $(prefix)/$(INC_PREFIX)
export pkgconfigdir := $(libdir)/pkgconfig
export bindir := $(exec_prefix)/bin
export bashcompdir := $(sysconfdir)/bash_completion.d
# unsafe shutdown count and badblock access without root (depends on kernel 4.20)
NDCTL_MIN_VERSION := 63
sparse-c = $(shell for c in *.c; do sparse -Wsparse-all -Wno-declaration-after-statement $(CFLAGS) $(INCS) $$c || true; done)
ifeq ($(USE_LIBUNWIND),)
export USE_LIBUNWIND := $(call check_package, libunwind)
ifeq ($(USE_LIBUNWIND),y)
export LIBUNWIND_LIBS := $(shell $(PKG_CONFIG) --libs libunwind)
endif
else
export USE_LIBUNWIND
export LIBUNWIND_LIBS
endif
GLIBC_CXXFLAGS=
UNIX98_CFLAGS=-D__USE_UNIX98
OS_INCS=
OS_LIBS=
LIBDL=-ldl
LIBUTIL=
LIBUUID=
NDCTL_ENABLE ?= y
# Detect libndctl if not disabled.
ifeq ($(NDCTL_ENABLE),y)
ifeq ($(LIBNDCTL_LIBS),)
HAS_NDCTL := $(call check_package, libndctl --atleast-version $(NDCTL_MIN_VERSION))
ifeq ($(HAS_NDCTL),n)
$(error Please install libndctl-dev/libndctl-devel/ndctl-devel >= $(NDCTL_MIN_VERSION))
endif
HAS_DAXCTL := $(call check_package, libdaxctl --atleast-version $(NDCTL_MIN_VERSION))
ifeq ($(HAS_DAXCTL),n)
$(error Please install libdaxctl-dev/libdaxctl-devel/daxctl-devel >= $(NDCTL_MIN_VERSION))
endif
LIBNDCTL_PKG_CONFIG_DEPS := libndctl libdaxctl
LIBNDCTL_PKG_CONFIG_DEPS_VAR := ,libndctl,libdaxctl
LIBNDCTL_CFLAGS := $(shell $(PKG_CONFIG) --cflags $(LIBNDCTL_PKG_CONFIG_DEPS))
LIBNDCTL_LD_LIBRARY_PATHS := $(shell $(PKG_CONFIG) --variable=libdir $(LIBNDCTL_PKG_CONFIG_DEPS) | sed "s/ /:/")
LIBNDCTL_LIBS := $(shell $(PKG_CONFIG) --libs $(LIBNDCTL_PKG_CONFIG_DEPS))
endif
OS_DIMM := ndctl
OS_DIMM_CFLAG=-DNDCTL_ENABLED=1
else
OS_DIMM := none
OS_DIMM_CFLAG=-DNDCTL_ENABLED=0
endif
export OS_DIMM
export LIBNDCTL_PKG_CONFIG_DEPS
export LIBNDCTL_PKG_CONFIG_DEPS_VAR
export LIBNDCTL_CFLAGS
export LIBNDCTL_LD_LIBRARY_PATHS
export LIBNDCTL_LIBS
export OS_DIMM_CFLAG