CFLAGS = -std=c99 -pedantic -pedantic-errors -Wall -g3 -O2 -D_ANSI_SOURCE_
CFLAGS += -fno-common \
	-fvisibility=hidden \
	-Wall \
	-Wdeclaration-after-statement \
	-Wextra \
	-Wformat=2 \
	-Winit-self \
	-Winline \
	-Wpacked \
	-Wpointer-arith \
	-Wlarger-than-65500 \
	-Wmissing-declarations \
	-Wmissing-format-attribute \
	-Wmissing-noreturn \
	-Wmissing-prototypes \
	-Wnested-externs \
	-Wold-style-definition \
	-Wredundant-decls \
	-Wsign-compare \
	-Wstrict-aliasing=2 \
	-Wstrict-prototypes \
	-Wswitch-enum \
	-Wundef \
	-Wunreachable-code \
	-Wwrite-strings \
	-Wp,-D_FORTIFY_SOURCE=2 \
	-fstack-protector \
	--param=ssp-buffer-size=4

ifneq ($(CC),clang)
  CFLAGS += -Wunsafe-loop-optimizations -Wunused-but-set-variable
endif

ifeq ($(DEBUG),1)
  CFLAGS += -DDEBUG
endif

# for getopt
CFLAGS += -D_POSIX_C_SOURCE=2

CFLAGS += $(shell pkg-config --cflags libusb-1.0)
LDLIBS := $(shell pkg-config --libs libusb-1.0)

visomat-data-downloader: visomat-data-downloader.o

clean:
	rm -f *~ *.o visomat-data-downloader