bugmake - Bugs: bug #64002, Improve MAKEFILE_LIST with include


bug #64002: Improve MAKEFILE_LIST with include

Submitter:  None
Submitted:  Wed 05 Apr 2023 05:00:15 PM UTC
Severity:  3 - Normal Item Group:  Enhancement
Status:  None Privacy:  Public
Assigned to:  None Open/Closed:  Open
Component Version:  None Operating System:  Any
Fixed Release:  None Triage Status:  None
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Wed 05 Apr 2023 05:00:15 PM UTC, original submission:  

The "include <filepathname>" statement is a way to extend make and re-use existing code and make less copy paste errors.

Current state:
The MAKEFILE_LIST can be used to detect the name of the current Makefile, e.g. to allow creation of iterative tests for the Makefiles themselves.
e.g. sh invocation:
for file in (makefiles/*); do make -f $file test; done

However as suggested here https://stackoverflow.com/questions/1400057/getting-the-name-of-the-makefile-from-the-makefile there is not consise and reliable way to get the name of the current Makefile

Add one or two automatic variables that allow the running make to determine which file is being processed.

MAKEFILE_LIST would behave unchanged

CURRENT_MAKEFILE Would be the filename filename of the relative to CURDIR e.g. work/build/Makefile  It would bethe same or similar to:

CURRENT_SUBMAKE Would be what file(s) the current line came from Makefile Makefile.inc.1 Makefile.inc.1

$(line_num N)
Perhaps a new function, something like $(line_num N) which would expand to the line where that first expansion occured less N

e.g. (excuse if syntax is not 100%)
warn = $(info Value of $1 at $(line_num $2) is not valid)

DEBUG = $(intcmp $1,$(MAX_DBG),,$(call warn,DBG_LEL,2))$(intcmp $1,$(CURRENT_DEBUG_LEVEL),$(info $2))
ifneq ($(filter $(DBG_LVL), 0 1 2),)



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