make-shell.md

Execute Shell

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Store the stdout from command into variable

NAME = $(shell echo "mark")

print:
  echo "This is $(NAME)"

Reading compile flags stored in a file

Note: I usually have my compile flags in a file so I can do cc $(< ~/flags), reading this file in make as well makes sure that I don't have to repeat myself writing flags

CXXFLAGS=$(shell cat ~/flags)