Makefile.cpufeatures

# -*- makefile -*-

# cmake integration is a little tricky, so let's do this by hand for now

CPUFEATURES_UNAME := $(shell uname)
CPUFEATURES_ARCH := $(shell uname -m)

CPUFEATURES_OBJS := cpu_features/src/filesystem.o cpu_features/src/stack_line_reader.o cpu_features/src/string_view.o
CPUFEATURES_CFLAGS := -std=c99 -O -g -DSTACK_LINE_READER_BUFFER_SIZE=1024 -DNDEBUG

ifeq ($(CPUFEATURES_UNAME),Linux)
  CPUFEATURES_OBJS += cpu_features/src/hwcaps.o
  CPUFEATURES_CFLAGS += -DHAVE_STRONG_GETAUXVAL
endif

ifeq ($(CPUFEATURES_UNAME),Darwin)
  CPUFEATURES_CFLAGS += -DHAVE_SYSCTLBYNAME
endif

ifeq ($(CPUFEATURES_ARCH),x86_64)
  CPUFEATURES_OBJS += cpu_features/src/cpuinfo_x86.o
endif

ifneq (,$(filter i%86,$(CPUFEATURES_ARCH)))
  CPUFEATURES_OBJS += cpu_features/src/cpuinfo_x86.o
endif

ifneq (,$(findstring arm,$(CPUFEATURES_ARCH)))
  CPUFEATURES_OBJS += cpu_features/src/cpuinfo_arm.o
endif

ifneq (,$(findstring aarch64,$(CPUFEATURES_ARCH)))
  CPUFEATURES_OBJS += cpu_features/src/cpuinfo_aarch64.o
endif

$(CPUFEATURES_OBJS): override CFLAGS := $(CPUFEATURES_CFLAGS)
$(CPUFEATURES_OBJS): override CPPFLAGS := -Icpu_features/include