[CMake] cmake config.h

[Rolf Eike Beer]

> ~/build/config.h:245:5: error: missing binary operator before token "1"
>
> ############
> line 245 is this line
> #if HAVE_EXTENDED_PRECISION_REGISTERS
>
> Si I am perplexed   where this  '1' came from or indeed which '1' is being
> referred to

You probably have named your CMake variable this way, too. CMake replaced
the name of the variable in the template with the value of the variable.

You should go read about @ONLY and #cmakedefine to get your config.h.in
safe for these type of errors.

Eike