Re: MinGW build broken with O_CLOEXEC undeclared

[Paul Eggert]

On 3/8/20 10:21 AM, martin rudalics wrote:
>  > Or maybe you are building outside of the source tree?  In that case, I
>  > don't know what you should do.
>
> I _am_ building out of the source tree.  How else could I obtain my -O3
> build on Windows I need for daily work and a -O0 build for debugging or
> my >= 7 toolkit builds on GNU/Linux?

Can you fix the problem by removing your build tree, and then creating an empty 
directory and running '../emacs/configure ...' again?

> make info-real info-dir
> make[1]: Entering directory `/c/emacs-git/trunk/dbg/lib'
> Makefile:39: *** Recursive variable `am__v_CC_' references itself (eventually).  Stop. 

You might be able to work around this via 'make AM_DEFAULT_VERBOSITY=1'. 
However, this would likely be treating the symptom not the problem.