* added define to compile crt statically with msvc

CMakeLists.txt

@@ -75,6 +75,19 @@ IF(ACGL_COMPILE_WITH_QT)
     SET(LIBRARIES ${LIBRARIES} ${QT_LIBRARIES})
 ENDIF()
 
+# static linking for MSVC
+IF(ACGL_STATIC_RUNTIME_ENV)
+if(MSVC)
+        foreach(flag
+                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()
+        endforeach()
+    endif()
+ENDIF()
+
 ################################################################################
 # Final Definition
 ################################################################################