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Understanding Special Macros in Target Rule Sets

In target rule sets, before issuing any commands, a set of predefined special macros is provided. These macros play a crucial role in file handling: `$@` represents the name of the file to be created; `$?` lists the names of the changed dependents; `$

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Understanding Special Macros in Target Rule Sets

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    8. Special MacrosBefore issuing any command in a target rule set there are certain special macros predefined. $@ is the name of the file to be made. $? is the names of the changed dependents. $< the name of the related file that caused the action. $* the prefix shared by target and dependent files. $^ $+ Special MacrosBefore issuing any command in a target rule set there are certain special macros predefined. $@ is the name of the file to be made. $? is the names of the changed dependents. $< the name of the related file that caused the action. $* the prefix shared by target and dependent files. $^ $+

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