echo value in makefile

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echo value in makefile

Unfortunately, there is no such thing as a makefile debugger to examine how a ... This allows you to print the value of variables wherever it is most convenient to ... As a convenience, GNU make will also echo commands marked with the silent ... ,Typically you would use this for a command whose only effect is to print something, such as an echo command to indicate progress through the makefile: @echo ... ,2015年4月17日 — The action that echoes the value of a variable must be associated with a target, possibly a dummy or PHONEY target. And that target line must have a colon on it. If you add a : after all in the example makefile and replace the leading blanks,Hello everyone, I want to print variable value of Makefile, but it seems that simple echo command is not working. This is my Makefile, ... ,2010年9月14日 — In the manual for GNU make, they talk about this specific example when describing the value function: The value function provides a way for ... ,原因是使用":=" 建立的變數稱做simple variables,他會在指定的當下被解析,所以也就不會被後面的修改影響。 ABC = Hello! MYVAR := $(ABC) all: @echo $( ... ,2018年12月10日 — --warn-undefined-variables. 2.1 --just-print. 在一個新的makefile 工作目標上,我所做的第一個測試就是以--just-print(-n)選項來呼叫make。 ,2017年11月18日 — It can appear anywhere in a makefile, not just in a recipe. ... that means it can't show shell variables that are set within a recipe; for example: ,2014年3月13日 — ... line number etc. too. EDIT: For your information, the following makefile outputs abc on my GNU make 3.81. A := $(shell echo abc) $(info $(A)) ... this evaluates on parse time, thus the value is evaluates once. A := something.

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echo value in makefile 相關參考資料
12. Debugging Makefiles - Managing Projects with GNU Make ...

Unfortunately, there is no such thing as a makefile debugger to examine how a ... This allows you to print the value of variables wherever it is most convenient to ... As a convenience, GNU make will ...

https://www.oreilly.com

Echoing (GNU make) - GNU.org

Typically you would use this for a command whose only effect is to print something, such as an echo command to indicate progress through the makefile: @echo ...

https://www.gnu.org

How to print out a variable in makefile - Stack Overflow

2015年4月17日 — The action that echoes the value of a variable must be associated with a target, possibly a dummy or PHONEY target. And that target line must have a colon on it. If you add a : after all...

https://stackoverflow.com

how to print variable value in Makefile? - LinuxQuestions.org

Hello everyone, I want to print variable value of Makefile, but it seems that simple echo command is not working. This is my Makefile, ...

https://www.linuxquestions.org

Make file echo displaying "$PATH" string - Stack Overflow

2010年9月14日 — In the manual for GNU make, they talk about this specific example when describing the value function: The value function provides a way for ...

https://stackoverflow.com

Makefile 變數的解析魔術. ;TLDR 最近忙碌到快要死掉啦,趁著 ...

原因是使用":=" 建立的變數稱做simple variables,他會在指定的當下被解析,所以也就不會被後面的修改影響。 ABC = Hello! MYVAR := $(ABC) all: @echo $( ...

https://medium.com

Makefile常用除錯方法- IT閱讀 - ITREAD01.COM

2018年12月10日 — --warn-undefined-variables. 2.1 --just-print. 在一個新的makefile 工作目標上,我所做的第一個測試就是以--just-print(-n)選項來呼叫make。

https://www.itread01.com

Printing in Makefiles: @echo vs $(info ) - Stack Overflow

2017年11月18日 — It can appear anywhere in a makefile, not just in a recipe. ... that means it can't show shell variables that are set within a recipe; for example:

https://stackoverflow.com

Printing variable from within Makefile - Stack Overflow

2014年3月13日 — ... line number etc. too. EDIT: For your information, the following makefile outputs abc on my GNU make 3.81. A := $(shell echo abc) $(info $(A)) ... this evaluates on parse time, thus t...

https://stackoverflow.com