diff --git a/CMakeLists.txt b/CMakeLists.txt
index cea7e048..f883b30e 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -32,6 +32,12 @@ endif(${GIT_RESULT} EQUAL 0)
 set(CMAKE_INSTALL_PREFIX ${TRIQS_PATH})
 
 add_subdirectory(fortran/dmftproj) 
+
+# Add the compiling options (-D... ) for C++
+message(STATUS "TRIQS : Adding compilation flags detected by the library (C++11/14, libc++, etc...) ")
+add_definitions(${TRIQS_CXX_DEFINITIONS})
+
+add_subdirectory(c++)
 add_subdirectory(python)
 add_subdirectory(shells)
 add_subdirectory(test)
diff --git a/c++/CMakeLists.txt b/c++/CMakeLists.txt
new file mode 100644
index 00000000..30655944
--- /dev/null
+++ b/c++/CMakeLists.txt
@@ -0,0 +1 @@
+add_subdirectory(plovasp/atm)