bugmake - Bugs: bug #57680, Feature request "import"

 
 

bug #57680: Feature request "import"

Submitted by:  Yannick DAVELUY <ydaveluy>
Submitted on:  Mon 27 Jan 2020 06:40:07 PM UTC  
 
Severity:  3 - Normal Item Group:  Enhancement
Status:  None Privacy:  Public
Assigned to:  None Open/Closed:  Open
Component Version:  4.3 Operating System:  Any
Fixed Release:  None Triage Status:  None

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Mon 27 Jan 2020 06:40:07 PM UTC, original submission:  

Hello,

I developed a new feature that import a makefile.

It is similar to include feature except that if the imported makefile is in a different directory all rules using relative path remains relative to the imported makefile and not the parent one.

To achieve this, make does a chdir in the imported makefile directory before reading it, prefix relative targets and prerequisites with the path of the imported makefile and does a chdir before executing commands.

With import feature it is possible to do things like this:

$ path/to/a.mk:

relative_target : relative_prerequisite /prerequisite
        cmd1

/target : relative_prerequisite /prerequisite
        cmd2

$ b.mk

import path/to/a.mk

> make -f b.mk


In this example make will create the following rules:

path/to/relative_target : path/to/relative_prerequisite /prerequisite
        cmd1

/target : path/to/relative_prerequisite /prerequisite
        cmd2

cmd1 and cmd2 are executed in path/to/ directory.

This feature is on my repo:
https://github.com/ydaveluy/make/tree/feature_import

Can you give me a feedback ?

I can write some unit test and improve the code if needed.

Yannick

Yannick DAVELUY <ydaveluy>

 

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