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 |