Non portable CONFIG_SITE definition

[Doru Carastan]

Gary's patch never made it in the 1.4 release. It is needed on Cygwin
too. All test files using 

CONFIG_SITE=/dev/null/config/site ${CONFIG_SHELL-/bin/sh} ...

are failing miserably on Cygwin. Please consider changing it to
something like 

CONFIG_SITE=/tmp/libtool 

or 

CONFIG_SITE=/tmp/$0

noinst-link.test fails to remove hell.exe on Cygwin. This patch is
fixing that.

echo "removing libhello.la and hell from ../demo"
# Kludge: "rm -f libhello.la hell" doesn't remove hell.exe on Cygwin
# Putting "rm -f libhello.la address@hidden@" in a noinst-link.test.in
# and mentioning the file in configure.in's AC_OUTPUT statement a better
way to do it.
rm -f libhello.la hell.*


This narrows the failing tests from 17 to 8 in a Cygwin 1.3.2 system.


Regards,
Doru Carastan