-AUTOCONF="${AUTOCONFPATH}autoconf"
-ACLOCAL="${AUTOMAKEPATH}aclocal"
-AUTOMAKE="${AUTOMAKEPATH}automake"
-AUTORECONF="${AUTOCONFPATH}autoreconf"
+# If you didn't set AUTOCONFPATH and AUTOMAKEPATH, you can also set the
+# variables AUTOCONF, ACLOCAL, AUTOMAKE, AUTORECONF individually.
+if test -z "${AUTOCONF}" || test -n "${AUTOCONFPATH}"; then
+ AUTOCONF="${AUTOCONFPATH}autoconf"
+fi
+if test -z "${ACLOCAL}" || test -n "${AUTOMAKEPATH}"; then
+ ACLOCAL="${AUTOMAKEPATH}aclocal"
+fi
+if test -z "${AUTOMAKE}" || test -n "${AUTOMAKEPATH}"; then
+ AUTOMAKE="${AUTOMAKEPATH}automake"
+fi
+if test -z "${AUTORECONF}" || test -n "${AUTOCONFPATH}"; then
+ AUTORECONF="${AUTOCONFPATH}autoreconf"
+fi