Update of bug #62381 (project make):
Status: None => Not A Bug
Open/Closed: Open => Closed
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Follow-up Comment #2:
This is discussed in the NEWS file for GNU make 4.3:
* WARNING: Backward-incompatibility!
Number signs (#) appearing inside a macro reference or function invocation
no longer introduce comments and should not be escaped with backslashes:
thus a call such as:
foo := $(shell echo '#')
is legal. Previously the number sign needed to be escaped, for example:
foo := $(shell echo '\#')
Now this latter will resolve to "\#". If you want to write makefiles
portable to both versions, assign the number sign to a variable:
H := \#
foo := $(shell echo '$H')
This was claimed to be fixed in 3.81, but wasn't, for some reason.
To detect this change search for 'nocomment' in the .FEATURES variable.
https://git.savannah.gnu.org/cgit/make.git/tree/NEWS?h=4.3#n18
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