I got some strange make errors about resetting jobserver mode etc.
Long story short, after some debugging I found the reason:
I use an optional wrapper for make which I invoke via an environment
variable which I (plausbly) named MAKE_COMMAND. To my surprise, I
found that recursive makes using $(M
Follow-up Comment #8, bug#65273 (group make):
[comment #3 comment #3:]
> The problem is that (a) there is no way to create a variable name
containing, or consisting of, whitespace
Sure there is:
Makefile:
```
SPACE :=
SPACE := $(SPACE) $(SPACE)
$(SPACE) := $(SPACE)
$(warning [$( )])
```
Output:
Follow-up Comment #7, bug#65273 (group make):
[comment #6 comment #6:]
> Leaving these checks disabled by default is not a good solution since the
very people who need this help most, will not benefit from them.
I agree. It took me a while to understand some of the GNU Make extensions a
few years
Follow-up Comment #6, bug#65273 (group make):
I mean, there IS a reasonable way to get the same effect; I showed one
possibility in my response. Yes, it looks slightly different but the result
is the same and there are no warnings. Alternatively the Emacs makefiles
could disable these new warnin
