Tweak for no-libio-install

[Alexandre Oliva]

On Feb 23, 2000, Chip Salzenberg <chip@valinux.com> wrote:

>     for f in $(MACRO); do something; done
> When $(MACRO) is empty, this expands to:
>     for f in ; do something; done
> This is a Bourne shell syntax error.  (Or at least bash thinks so.)

Yup.  The portable construct, used in automake, is:

list='$(MACRO)'; for f in $$list; do \

-- 
Alexandre Oliva     http://www.ic.unicamp.br/~oliva/     Enjoy Guaraná
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