# generate configure.ac with substituted git revision
sed -e "s/@REVISION@/${revision}/g" < "configure.ac.in" > "configure.ac"
+touch README # in case it doesn't exist
echo Running $ACLOCAL -I m4 ... && $ACLOCAL -I m4
echo Running $LIBTOOLIZE --force --copy ... && $LIBTOOLIZE --force --copy
echo Running $AUTOHEADER ... && $AUTOHEADER