# apt-get install libfltk1.1-dev

FLTK_CXXFLAGS := $(shell fltk-config --cxxflags)
CXXFLAGS = -Wall -W -O2 -g $(FLTK_CXXFLAGS)

FLTK_LDFLAGS := $(shell fltk-config --ldflags)
LDFLAGS = $(FLTK_LDFLAGS)

FLTK_LIBS := $(shell fltk-config --libs)
LDLIBS=$(FLTK_LIBS) -lrt