# -*- makefile -*-

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

CPUFEATURES_UNAME ?= $(UNAME)
CPUFEATURES_ARCH ?= $(ARCH)
CPUFEATURES_CFLAGS ?= $(CFLAGS)

CPUFEATURES_OBJS := cpu_features/src/filesystem.o cpu_features/src/stack_line_reader.o cpu_features/src/string_view.o
CPUFEATURES_EXTRA_CFLAGS := -std=c99
CPUFEATURES_EXTRA_CPPFLAGS := -DSTACK_LINE_READER_BUFFER_SIZE=1024 -DNDEBUG -Icpu_features/include

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

ifeq ($(CPUFEATURES_UNAME),Darwin)
  CPUFEATURES_EXTRA_CPPFLAGS += -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 ALL_CCFLAGS := $(CPUFEATURES_CPPFLAGS) $(CPUFEATURES_EXTRA_CPPFLAGS) $(CPUFEATURES_CFLAGS) $(CPUFEATURES_EXTRA_CFLAGS)