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
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)
$(warning [$( )])
```
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
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
