diff --git a/configure.ac b/configure.ac
index 23ec83af05..82f14de512 100644
--- a/configure.ac
+++ b/configure.ac
@@ -379,6 +379,7 @@ esac
 
 EFL_ATTRIBUTE_VECTOR
 EFL_ATTRIBUTE_ALWAYS_INLINE
+EFL_ENABLE_EO_API_SUPPORT
 
 EFL_LIBS="${EFL_LIBS}"
 EFL_CFLAGS="${EFL_CFLAGS}"
diff --git a/m4/efl_eo.m4 b/m4/efl_eo.m4
new file mode 100644
index 0000000000..08065ea2d6
--- /dev/null
+++ b/m4/efl_eo.m4
@@ -0,0 +1,12 @@
+dnl use: EFL_ENABLE_EO_API_SUPPORT
+AC_DEFUN([EFL_ENABLE_EO_API_SUPPORT],
+[
+  AC_DEFINE([EFL_EO_API_SUPPORT], [1], [Enable access to unstable EFL Eo API])
+])
+
+dnl use: EFL_DISABLE_LEGACY_API_SUPPORT
+AC_DEFUN([EFL_DISABLE_LEGACY_API_SUPPORT],
+[
+  AC_DEFINE([EFL_NOLEGACY_API_SUPPORT], [1], [Disable legacy EFL API])
+])
+