CFLAGS = -Wall -O1 -std=gnu11 #-DNDEBUG CFLAGS += $(shell /usr/bin/gsl-config --cflags) LDLIBS += $(shell /usr/bin/gsl-config --libs) .PHONEY:all all:out.txt out.txt:main ./$< > out.txt .PHONEY:clean clean: $(RM) main.o main out.txt test: @echo $(CFLAGS) @echo $(LDLIBS)