Re: missing alloc.h

[Jim Meyering]

Steven J Abner <address@hidden> wrote:
...
> I downloaded coreutils for chmod code.
> I used configure to obtain config.h.
> checking for working alloca.h... no
> checking for alloca... yes
>
> In chmod.c      #include "system.h"
> In system.h     #include <alloca.h>
>
> If I use the makefile will it create alloca.h?

A configure-time test determines whether it is needed.
If so, a rule in lib/Makefile creates alloca.h from alloca_.h.

> I am using project builder to create chmod for examination of the needed

Can't you use the generated Makefiles?
If you use some other build system, you'll have to ensure
the compiler gets of all the required `-I DIR' options.

> size of mode_t. Apple defines 16bits. I don't actually need to
> install, but may later
> use coreutils as a viable upgrade. I also note that glibc-2.3 does
> have alloc.h.
> Is glibc-2.3 a prerequesite?

No.