Added option for MSVC static runtime library.

CMakeLists.txt

@@ -15,6 +15,8 @@ option(BUILD_SHARED_LIBS "Build shared libraries" OFF)
 
 find_package(OpenGL REQUIRED)
 
+option(USE_MSVC_RUNTIME_LIBRARY_DLL "Use MSVC runtime library DLL" ON)
+
 #--------------------------------------------------------------------
 # Enable all warnings on GCC, regardless of OS
 #--------------------------------------------------------------------
@@ -54,6 +56,17 @@ if (_GLFW_WIN32_WGL)
     list(APPEND glfw_INCLUDE_DIRS ${OPENGL_INCLUDE_DIR})
     list(APPEND glfw_LIBRARIES ${OPENGL_gl_LIBRARY})
 
+    if (NOT USE_MSVC_RUNTIME_LIBRARY_DLL)
+        foreach(flag_var CMAKE_C_FLAGS CMAKE_C_FLAGS_DEBUG CMAKE_C_FLAGS_RELEASE CMAKE_C_FLAGS_MINSIZEREL CMAKE_C_FLAGS_RELWITHDEBINFO)
+            if(${flag_var} MATCHES "/MD")
+                string(REGEX REPLACE "/MD" "/MT" ${flag_var} "${${flag_var}}")
+            endif(${flag_var} MATCHES "/MD")
+            if(${flag_var} MATCHES "/MDd")
+                string(REGEX REPLACE "/MDd" "/MTd" ${flag_var} "${${flag_var}}")
+            endif(${flag_var} MATCHES "/MDd")
+        endforeach(flag_var)
+    endif(NOT USE_MSVC_RUNTIME_LIBRARY_DLL)
+
     set(_GLFW_NO_DLOAD_WINMM ${BUILD_SHARED_LIBS})
 
     if (BUILD_SHARED_LIBS)