prepare (1/3): 
finished

make (2/3): 
g++ -g -Wall -O2 -o main.o -c main.cpp
g++ -g -Wall -O2 -o dayfunction.o -c dayfunction.cpp
g++ -g -Wall -O2 -o equity.o -c equity.cpp
g++ -g -Wall -O2 -o line.o -c line.cpp
g++ -g -Wall -O2 -o ttt.o -c ttt.cpp
g++ -g -Wall -O2 -o main main.o dayfunction.o equity.o line.o ttt.o
finished

clean (3/3): 
finished

all task finished, build successfully