From 3829cc2f86c8b93d4530da639fa1072e40e89eaa Mon Sep 17 00:00:00 2001
From: Vincent Richard <vincent@vincent-richard.net>
Date: Fri, 8 Feb 2013 14:24:20 +0100
Subject: [PATCH] Link with "ws2_32" library on Windows, if available.

---
 CMakeLists.txt | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index eec42d65..e11601af 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -19,6 +19,7 @@ INCLUDE(cmake/Utils.cmake)
 INCLUDE(CheckFunctionExists)
 INCLUDE(CheckSymbolExists)
 INCLUDE(CheckTypeSize)
+INCLUDE(CheckLibraryExists)
 
 
 # CMake configuration
@@ -568,6 +569,25 @@ CHECK_FUNCTION_EXISTS(localtime_s VMIME_HAVE_LOCALTIME_S)
 CHECK_FUNCTION_EXISTS(localtime_r VMIME_HAVE_LOCALTIME_R)
 
 
+##############################################################################
+# Windows-specific checks
+
+IF(WIN32)
+
+	# Winsock
+	CHECK_LIBRARY_EXISTS("ws2_32" getch "${CMAKE_LIBRARY_PATH}" VMIME_HAVE_LIBWS2_32)
+
+	IF(VMIME_HAVE_LIBWS2_32)
+		TARGET_LINK_LIBRARIES(
+			${VMIME_LIBRARY_NAME}
+			${TARGET_LINK_LIBRARIES}
+			"ws2_32"
+		)
+	ENDIF()
+
+ENDIF()
+
+
 ##############################################################################
 # POSIX-specific checks