问题
In Makefile, in commands of the form
all:
@set -e; \
do more stuff
I know the set -e commands the shell to to exit on failure. What is the significance of the @ attached to set?
回答1:
In a Makefile, the @ symbol means that the command is not echoed to the screen when it is run.
来源：https://stackoverflow.com/questions/27400830/meaning-of-in-set-e-command-in-makefiles