TURBO_IDIR = /home/thanhvu94/libjpeg-turbo TURBO_UBUNTU_IDIR = /home/thanhvu94/libjpeg-turbo/build-ubuntu _IDIR = $(TURBO_IDIR) $(TURBO_UBUNTU_IDIR) IDIR = $(foreach d, $(_IDIR), -I$d) ODIR = obj CC = gcc CFLAGS = -DBMP_SUPPORTED LIBS = -l:libjpeg.so.62 _LDIR = /usr/lib/i387-linux-gnu /home/thanhvu94/libjpeg-turbo LDIR = $(foreach d, $(_LDIR), -I$d) _OBJ = example.o rdbmp.o OBJ = $(patsubst %, $(ODIR)/%, $(_OBJ))