# MD

Tells the linker to search for unresolved references in a multithreaded, dynamic-link run-time library.

## Syntax

Linux: | None

macOS: | None

Windows: | /MD /MDd

## Arguments

None

## Default

OFF | The linker searches for unresolved references in a multi-threaded, static run-time library.

## Description

This option tells the linker to search for unresolved references in a multithreaded, dynamic-link (DLL) run-time library. You can also specify /MDd, where d indicates a debug version.

This option is processed by the compiler, which adds directives to the compiled object file that are processed by the linker.

## IDE Equivalent

Visual Studio: Code Generation > Runtime Library

Eclipse: None

Xcode: None

## Alternate Options

None

Parent topic: Linking or Linker Options