export INCLUDES += -I$(RIOTBOARD)/$(BOARD)/include
export CPU = native
export ELF = $(BINDIR)$(PROJECT).elf

# toolchain:
export PREFIX =
export CC ?= $(PREFIX)gcc
export AR = $(PREFIX)ar
export AS = $(PREFIX)as
export LINK = $(PREFIX)gcc
export SIZE = $(PREFIX)size
export OBJCOPY = true

export DEBUGGER = gdb
export TERMPROG = $(ELF)
export FLASHER = true
export VALGRIND ?= valgrind

# flags:
export CFLAGS += -Wall -Wextra -pedantic -m32
export LINKFLAGS += -m32 -gc -ldl
export ASFLAGS =
export DEBUGGER_FLAGS = $(ELF)
export VALGRIND_FLAGS ?= --track-origins=yes
all-valgrind: export CFLAGS += -DHAVE_VALGRIND_H -g
all-valgrind: export INCLUDES += $(shell pkg-config valgrind --cflags)

# backward compatability with glibc <= 2.17 for native
ifeq ($(CPU),native)
ifeq ($(shell uname -s),Linux)
ifeq ($(shell ldd --version |  awk '/^ldd/{if ($$NF < 2.17) {print "yes"} else {print "no"} }'),yes)
	LINKFLAGS += -lrt
endif
endif
endif

# clumsy way to enable building native on osx:
BUILDOSXNATIVE = 0
ifeq ($(CPU),native)
ifeq ($(shell uname -s),Darwin)
	BUILDOSXNATIVE = 1
endif
endif

# set the tap interface for term/valgrind
ifneq (,$(filter nativenet,$(USEMODULE)))
	export PORT ?= tap0
else
	export PORT =
endif

all: # do not override first target

all-valgrind: all

valgrind:
# use this if you want to attach gdb from valgrind:
#	echo 0 > /proc/sys/kernel/yama/ptrace_scope
#	VALGRIND_FLAGS += --db-attach=yes
	$(VALGRIND) $(VALGRIND_FLAGS) $(ELF) $(PORT)

include $(RIOTBOARD)/$(BOARD)/Makefile.dep