Update cmake options.

v2_0_cpp_configure.md

@@ -1,4 +1,4 @@
-# configuration
+# configuration (preprocessor macro)
 
 ## MSGPACK_USE_BOOST (since 1.2.0)
 Default value: not defined
@@ -67,3 +67,28 @@ In C, a stack of unpack context is implemented as a std::vector. MSGPACK_EMBED_S
 
 #### C
 In C, a stack of unpack context is implemented as an array. MSGPACK_EMBED_STACK_SIZE means the limit of the composite level. If N >= MSGPACK_EMBED_STACK_SIZE unpacking functions return parse error.
+
+
+# configuration (cmake)
+
+## MSGPACK_BUILD_EXAMPLES 
+Default value: ON
+Build examples or not.
+
+## MSGPACK_BUILD_TESTS 
+Default value: If gtest is found then ON, otherwise OFF.
+Build tests or not.
+
+## MSGPACK_GEN_COVERAGE 
+Default value: OFF
+Generate coverage or not.
+
+## MSGPACK_CXX11 (C++ only)
+Default value: OFF
+Use C++11 or not.
+
+## MSGPACK_CXX17 (C++ only)
+Default value: OFF
+Use C++17 or not.
+
+