+if USE_INCLUDED_HUNSPELL
+HUNSPELL = hunspell
+endif
+
+if USE_INCLUDED_MYTHES
+MYTHES = mythes
+endif
+
+if USE_INCLUDED_ICONV
+ICONV = libiconv
+endif
+
+if USE_INCLUDED_ZLIB
+ZLIB = zlib
+endif
+
+SUBDIRS = $(BOOST) $(HUNSPELL) $(MYTHES) $(ICONV) $(ZLIB)