msvc optional linking mode

.gitignore

@@ -1,3 +1,5 @@
 .vs/*
+.vscode/*
 build/*
-CMakeLists.txt.user
+CMakeSettings.json
+CMakeLists.txt.user

CMakeLists.txt

@@ -18,6 +18,33 @@ elseif(CMAKE_CXX_COMPILER_ID MATCHES "MSVC")
     endif()
 endif()
 
+#
+# linking mode
+#
+
+if(MSVC)
+    option(USE_MSVC_RUNTIME_LIBRARY_DLL "Use MSVC runtime library DLL" OFF)
+    if(NOT USE_MSVC_RUNTIME_LIBRARY_DLL)
+        foreach(flag CMAKE_C_FLAGS
+                     CMAKE_C_FLAGS_DEBUG
+                     CMAKE_C_FLAGS_RELEASE
+                     CMAKE_C_FLAGS_MINSIZEREL
+                     CMAKE_C_FLAGS_RELWITHDEBINFO
+                     CMAKE_CXX_FLAGS
+                     CMAKE_CXX_FLAGS_DEBUG
+                     CMAKE_CXX_FLAGS_RELEASE
+                     CMAKE_CXX_FLAGS_MINSIZEREL
+                     CMAKE_CXX_FLAGS_RELWITHDEBINFO)
+            if(${flag} MATCHES "/MD")
+                string(REGEX REPLACE "/MD" "/MT" ${flag} "${${flag}}")
+            endif()
+            if(${flag} MATCHES "/MDd")
+                string(REGEX REPLACE "/MDd" "/MTd" ${flag} "${${flag}}")
+            endif()
+        endforeach()
+    endif()
+endif()
+
 #
 # e2d sources
 #
@@ -108,7 +135,8 @@ endif(APPLE)
 set(E2D_INCLUDE_DIRS
     ${CMAKE_CURRENT_SOURCE_DIR}/headers)
 
-get_directory_property(E2D_PARENT_DIRECTORY PARENT_DIRECTORY)
+get_directory_property(E2D_PARENT_DIRECTORY
+    PARENT_DIRECTORY)
 if(E2D_PARENT_DIRECTORY)
     set(E2D_LIBRARIES ${E2D_LIBRARIES} PARENT_SCOPE)
     set(E2D_INCLUDE_DIRS ${E2D_INCLUDE_DIRS} PARENT_SCOPE)