On 11/28/24 13:25, andy pugh wrote:
>> In src/Makefile:30 is the following line:
>> MAKEFLAGS += --warn-undefined-variables
>> On Debian it apparently does not not do anything. However, on
>> Fedora(39), it keeps bugging me all the time with a lot of warnings.
>
> Have you looked to see if the warnings are genuine?
> (are the variables really undefined?)
Yes they are. Defining an empty environment variable and running make
shuts it up; like:
$ MATHSTUB= make
So these are undefined. Actually, some must be undefined for the
makefile to work. In line 29 it reads:
ifeq ($(origin KERNELRELEASE), undefined)
MAKEFLAGS += --warn-undefined-variables
endif
If you define KERNELRELEASE, even to empty, then you will not compile
anything userspace anymore. It seems to only want to do kernel modules,
I guess.
The MAKEFLAGS addition was added some 10 years ago to do something, but
I don't think it works as intended and annoys considerably.
Make version on Debian bookworm: 4.3
Make version on Fedora 39: 4.4.1
Running on Debian as:
$ make --warn-undefined-variables
will give you the whole list of warnings. Apparently, assigning to the
MAKEFLAGS variable inside the makefile has no effect on Debian.
And,... Sorry Andy, I hit the wrong button in reply.
--
Greetings Bertho
(disclaimers are disclaimed)
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