well as from outside.
[originally from svn r7963]
# It's separate from mkfiles.pl because it won't work (and isn't needed)
# on a non-Unix system.
+# It's nice to be able to run this from inside the unix subdir as
+# well as from outside.
+test -f unix.h && cd ..
+
# Track down automake's copy of install-sh
cp `aclocal --print-ac-dir | sed 's/aclocal$/automake/'`/install-sh unix/.
(cd unix && autoreconf && rm -rf aclocal.m4 autom4te.cache)