Re: CFT: snmalloc as libc malloc

On 12/02/2023 22:32, Mark Millard wrote:
> I'll note that include/c++/v1/stddef.h uses:
> 
> #include_next <stddef.h>
> 
> That in turn causes a stddef.h to be found that is
> from later in the search list (not earlier or the
> same file again).
> 
> As for the include ordering, this leads to
> . . ./include/c++/v1 needing to be before the
> directory for the matching normal C header(s) that
> C++ is(are) trying to include.
> 
> There are implications for recursive include
> handling during #include_next processing (just the
> tail of the search list is used as I understand).

I hit a problem with this related to the msun headers, which was fixed 
in the diff by changing the include from libc to:

CFLAGS+= --include-directory-after ${SRCTOP}/lib/msun/src

This may also be necessary for other headers if the way that the libc / 
libc++ headers are included has changed.

David