6 files changed, 13 insertions, 11 deletions
diff --git a/doc/CMakeLists.txt b/doc/CMakeLists.txt
index 1d20a6075..af756a516 100644
--- a/doc/CMakeLists.txt
+++ b/doc/CMakeLists.txt
@@ -63,7 +63,7 @@ add_custom_target(
 )
 
 add_dependencies(doc-eigen-prerequisites all_snippets all_examples)
-# add_dependencies(doc-unsupported-prerequisites unsupported_snippets unsupported_examples)
+add_dependencies(doc-unsupported-prerequisites unsupported_snippets unsupported_examples)
 add_custom_target(doc ALL
   COMMAND doxygen Doxyfile-unsupported
   COMMAND doxygen
diff --git a/doc/snippets/MatrixBase_extract.cpp b/doc/snippets/MatrixBase_extract.cpp
index a5ccd7574..c96220f72 100644
--- a/doc/snippets/MatrixBase_extract.cpp
+++ b/doc/snippets/MatrixBase_extract.cpp
@@ -1,4 +1,6 @@
-#warning deprecated
+#ifndef _MSC_VER
+  #warning deprecated
+#endif
 /* deprecated
 Matrix3i m = Matrix3i::Random();
 cout << "Here is the matrix m:" << endl << m << endl;
diff --git a/doc/snippets/MatrixBase_marked.cpp b/doc/snippets/MatrixBase_marked.cpp
index f536773c9..f60712178 100644
--- a/doc/snippets/MatrixBase_marked.cpp
+++ b/doc/snippets/MatrixBase_marked.cpp
@@ -1,4 +1,6 @@
-#warning deprecated
+#ifndef _MSC_VER
+  #warning deprecated
+#endif
 /*
 Matrix3d m = Matrix3d::Zero();
 m.part<Eigen::UpperTriangular>().setOnes();
diff --git a/doc/snippets/MatrixBase_part.cpp b/doc/snippets/MatrixBase_part.cpp
index 81e66c4cd..d3e7f482e 100644
--- a/doc/snippets/MatrixBase_part.cpp
+++ b/doc/snippets/MatrixBase_part.cpp
@@ -1,4 +1,6 @@
-#warning deprecated
+#ifndef _MSC_VER
+  #warning deprecated
+#endif
 /*
 Matrix3d m = Matrix3d::Zero();
 m.part<Eigen::StrictlyUpperTriangular>().setOnes();
diff --git a/unsupported/doc/CMakeLists.txt b/unsupported/doc/CMakeLists.txt
index a50d07798..9e9ab9800 100644
--- a/unsupported/doc/CMakeLists.txt
+++ b/unsupported/doc/CMakeLists.txt
@@ -1,8 +1,4 @@
-
 set_directory_properties(PROPERTIES EXCLUDE_FROM_ALL TRUE)
 
-
-if(NOT MSVC)
-  add_subdirectory(examples)
-  add_subdirectory(snippets)
-endif(NOT MSVC)
+add_subdirectory(examples)
+add_subdirectory(snippets)
diff --git a/unsupported/doc/examples/MatrixExponential.cpp b/unsupported/doc/examples/MatrixExponential.cpp
index 86062e3a6..7dc2396df 100644
--- a/unsupported/doc/examples/MatrixExponential.cpp
+++ b/unsupported/doc/examples/MatrixExponential.cpp
@@ -4,7 +4,7 @@ using namespace Eigen;
 
 int main()
 {
-  const double pi = std::acos(-1);
+  const double pi = std::acos(-1.0);
 
   MatrixXd A(3,3);
   A << 0,    -pi/4, 0,