Index: configure.ac
==================================================================
--- configure.ac
+++ configure.ac
@@ -19,10 +19,18 @@
 
 	AC_SUBST(MAP_LDFLAGS, ['-Wl,-Map,$@.map'])
 ])
 
 AC_CANONICAL_HOST
+
+case "$host_os" in
+	msdosdjgpp*)
+		enable_shared="no"
+		enable_threads="no"
+		enable_sockets="no"
+		;;
+esac
 
 AC_LANG([Objective C])
 AC_PROG_OBJC([clang gcc])
 AC_PROG_OBJCPP
 AC_PROG_LN_S