So user could specify outside CFLAGS values.
Cc: Jonathan Cameron <jic23@kernel.org>
Cc: Hartmut Knaack <knaack.h@gmx.de>
Cc: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
# (this improves performance and avoids hard-to-debug behaviour);
MAKEFLAGS += -r
-CFLAGS += -O2 -Wall -g -D_GNU_SOURCE -I$(OUTPUT)include
+override CFLAGS += -O2 -Wall -g -D_GNU_SOURCE -I$(OUTPUT)include
ALL_TARGETS := iio_event_monitor lsiio iio_generic_buffer
ALL_PROGRAMS := $(patsubst %,$(OUTPUT)%,$(ALL_TARGETS))