Hello, Can some one please explain to me what are these options in it. gcc -c -+ $< -m64 $(CCFLAGS) I understand -c, -m64 and $CCFLAGS but i am not able to understand the use of -+ and $<. Thanks for the help -- View this message in context: http://old.nabble.com/GCC-Options-tp32191782p32191782.html Sent from the gcc - Help mailing list archive at Nabble.com.