makefile variable expand

相關問題 & 資訊整理

makefile variable expand

Recall that when you define a recursively-expanded variable, make does not expand the value you set for variable and function references immediately. Instead it ... ,However, there is a special feature of GNU make , secondary expansion (see Secondary Expansion), which will allow automatic variable values to be used in ... ,Variables and functions in all parts of a makefile are expanded when read, except for the shell commands in rules, the right-hand sides of variable definitions using `=' , and the bodies of variable definitions using the define directive. , (In some other versions of make , variables are called macros.) Variables and functions in all parts of a makefile are expanded when read, ...,You are explicitly telling make to NOT expand the variable, by using the $(value $(V)) construct. That's what the value function does: avoids expansion. ,X = $(foreach x, a b c, $($(x))). ,The reason for it expanding to dist//main.o is that TYPE is a target-specific variable. The value of this kind of variable is only available within the context of a ... ,To set a variable from the makefile, write a line starting with the variable name followed by ' = ' ... Variables defined with ' = ' are recursively expanded variables. ,A variable is a name defined in a makefile to represent a string of text, called the ... Variables and functions in all parts of a makefile are expanded when read, ... ,The other way in which make processes recipes is by expanding any variable ... This occurs after make has finished reading all the makefiles and the target is ...

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makefile variable expand 相關參考資料
Appending (GNU make) - Gnu.org

Recall that when you define a recursively-expanded variable, make does not expand the value you set for variable and function references immediately. Instead it ...

https://www.gnu.org

Automatic Variables (GNU make) - Gnu.org

However, there is a special feature of GNU make , secondary expansion (see Secondary Expansion), which will allow automatic variable values to be used in ...

https://www.gnu.org

GNU make - How to Use Variables

Variables and functions in all parts of a makefile are expanded when read, except for the shell commands in rules, the right-hand sides of variable definitions using `=' , and the bodies of variab...

https://ftp.gnu.org

GNU make: Using Variables

(In some other versions of make , variables are called macros.) Variables and functions in all parts of a makefile are expanded when read, ...

https://ftp.gnu.org

How to get fully expanded gnu make variable value - Stack ...

You are explicitly telling make to NOT expand the variable, by using the $(value $(V)) construct. That's what the value function does: avoids expansion.

https://stackoverflow.com

Makefile expanding variables - Stack Overflow

X = $(foreach x, a b c, $($(x))).

https://stackoverflow.com

Makefile variable expansion - Stack Overflow

The reason for it expanding to dist//main.o is that TYPE is a target-specific variable. The value of this kind of variable is only available within the context of a ...

https://stackoverflow.com

Setting (GNU make) - Gnu.org

To set a variable from the makefile, write a line starting with the variable name followed by ' = ' ... Variables defined with ' = ' are recursively expanded variables.

https://www.gnu.org

Using Variables (GNU make) - Gnu.org

A variable is a name defined in a makefile to represent a string of text, called the ... Variables and functions in all parts of a makefile are expanded when read, ...

https://www.gnu.org

Variables in Recipes (GNU make) - Gnu.org

The other way in which make processes recipes is by expanding any variable ... This occurs after make has finished reading all the makefiles and the target is ...

https://www.gnu.org