Makefile.variables

KERNEL := $(shell uname -s)
ifeq ($(KERNEL),Darwin)
  -include Makefile.macos
  -include userver/Makefile.macos
endif

# CMAKE_OPTS is publicly available and can be specified on command line.
# In this case it will override all modifications we're trying to apply here.
# Cannot use `override` here as we need to pass values to sub-makes.
# Copy the original value to our own variable and work with it instead.
export CMAKE_OPTS_INTERNAL ?= $(CMAKE_OPTS)

LTO_CACHE_FOLDER ?= $(HOME)/.ltocache
ifneq ($(LTO_CACHE_FOLDER),)
  ifeq ($(findstring LTO_CACHE_FOLDER=,$(CMAKE_OPTS_INTERNAL)),)
    CMAKE_OPTS_INTERNAL += -DLTO_CACHE_FOLDER=$(LTO_CACHE_FOLDER)
  endif
endif
BUILD_TYPE ?= Debug
BUILD_DIR ?= build
DOCS_DIR ?= docs
CMAKE_DIR = $(CURDIR)
ifeq ($(origin CC),default)
  CC := clang-9
endif
ifeq ($(origin CXX),default)
  CXX := clang++-9
endif
export CC CXX
SCAN_BUILD = scan-build-9
SCAN_BUILD_OPTS = --force-analyze-debug-code --show-description --use-cc $(CC) --use-c++ $(CXX) -stats -o $(PWD)/static-analyzer-report/
BUILD_CHECK_DIR ?= build-check
PYTHON3_BIN_DIR = $(wildcard /usr/lib/yandex/taxi-py3-2/bin/)
CLANG_TIDY_BINARY ?= clang-tidy-9
CHANGED_DIRS ?= $(CMAKE_DIR)
TEAMCITY_LINT_JOBS_COUNT ?= 10
FORMATTERS = black eolfmt jsonfmt yamlfmt

ifeq ($(CXX),clang++-9)
ifeq ($(shell which llvm-symbolizer),)
  export ASAN_SYMBOLIZER_PATH=/usr/lib/llvm-9/bin/llvm-symbolizer
  export UBSAN_SYMBOLIZER_PATH=/usr/lib/llvm-9/bin/llvm-symbolizer
endif
endif

export UBSAN_OPTIONS=print_stacktrace=1

ASAN_OPTIONS=detect_odr_violation=2

ifndef NPROCS
  ifeq ($(KERNEL),Linux)
    NPROCS := $(shell nproc --all)
  else ifeq ($(KERNEL),Darwin)
    NPROCS := $(shell sysctl -n hw.ncpu)
  else
    $(warning Cannot determine CPU count for $(KERNEL), falling back to 1)
    NPROCS := 1
  endif
endif # NPROCS
export NPROCS