ifdef ECHO_CAN_NAME
	ECHO_CAN_CFLAGS	:= -DECHO_CAN_FROMENV -DECHO_CAN_$(ECHO_CAN_NAME)
endif

EXTRA_CFLAGS := -I$(src)
EXTRA_CFLAGS += $(ECHO_CAN_CFLAGS)

# fix typo present in CentOS and RHEL 2.6.9 kernels
BAD_KERNELS_VERS := 22 34 34.0.1 34.0.2
BAD_KERNELS := $(foreach ver,$(BAD_KERNELS_VERS),2.6.9-$(ver).EL 2.6.9-$(ver).ELsmp)
ifneq (,$(filter $(KVERS),$(BAD_KERNELS)))
EXTRA_CFLAGS+=-Drw_lock_t=rwlock_t
endif

zaptel-objs := zaptel-base.o

ifeq ($(HPEC_PRESENT),yes)
ifeq ($(ARCH),i386)
zaptel-objs += hpec/hpec_x86_32.o
endif

ifeq ($(ARCH),x86_64)
zaptel-objs += hpec/hpec_x86_64.o
endif

EXTRA_CFLAGS += -DECHO_CAN_HPEC -I$(src)/hpec
endif


# set CONFIG_ZAPTEL_MMX for a number of CPU types.
# Right now this part is not enabled, unless you build with
# ZAPTEL_MMX_AUTO=something .
ZAPMMX_WHITELIST_i386 = M586MMX M686 MPENTIUMII MPENTIUMIII MPENTIUMM \
			    MPENTIUM4 MVIAC3_2

ZAPMMX_WHITELIST_x86_64 = 

# A list of configuration variables to test: CONFIG_M686 , etc.
ZAPMMX_CONFIG_VARS := $(ZAPMMX_WHITELIST_$(ARCH):%=CONFIG_%)

# expand them:
ZAPMMX_CONFIG_VALS := $(strip  $(foreach var,$(ZAPMMX_CONFIG_VARS),$(var))  )
ifneq (,$(ZAPTEL_MMX_AUTO))
  ifneq (,$(ZAPMMX_CONFIG_VALS))
    # TODO: make that 
    CFLAGS_zaptel-base.o += -DCONFIG_ZAPTEL_MMX
  endif
endif