Re: inconditional alloca.h inclusion in sed-4.1.5

[Paul Eggert]

Juan Manuel Guerrero <address@hidden> writes:

> This configure script cleanly detects that no alloca.h is availabe
> in djgpp's libc but for some reason in regex_internal.h alloca.h is
> inconditionaly included.

This sounds similar to the bug with sed 4.1.5 on RH6.2 reported in
<http://lists.gnu.org/archive/html/bug-gnu-utils/2006-02/msg00010.html>,
in that the fix should be similar.  If sed were changed to use the
gnulib regex module, sed would get working support for alloca.h
automatically, even on hosts that do not have alloca.h.  That is
because in gnulib, the regex module depends on the alloca module.