makefile

makefiletutorial what-how-makefile A Good Makefile for Go

what makefile do

main purpose: comiple c,c++ file into a binary file;
other purpose: combine  a serious of task into  a specific task;

syntax

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Do: requisite1, requisite2...
    task1;
    task2;
    task3;

Do: the target file OR the action Name requisite: the dependent files; task

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hello: hello.go
    build hello.go -o hello
hello.go:
    echo "println("hello")" > hello.go

PHONEY

makefile task won’t excute every time, it will check target file and source file;

if it think it’s not neccesary to excute, it will throw out “update to date”

PHONEY: tell make that the target isn’t a file , it’s just a task name, so the task will excute every time