Add Microsoft Windows support.

Update issue 62
Status: Feedback
Gleen, I slightly modified your patches to better stick with the style of the
rest of the project,  Can you please confirm that it does not break?

PR:		Issue 62
Submitted by:	glenn.ergeerts

CMakeLists.txt

@@ -0,0 +1,56 @@
+# $Id$
+project(libfreefare C)
+cmake_minimum_required(VERSION 2.6)
+
+set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} "${CMAKE_SOURCE_DIR}/cmake/modules/")
+
+add_definitions("-std=c99")
+
+find_package(LIBNFC REQUIRED)
+find_package(OpenSSL REQUIRED)
+
+IF(WIN32)
+  configure_file(${CMAKE_CURRENT_SOURCE_DIR}/cmake/config_windows.h.cmake ${CMAKE_CURRENT_SOURCE_DIR}/config.h)
+  include_directories(${CMAKE_CURRENT_SOURCE_DIR}/contrib/win32)
+  find_library(WINSOCK_LIB libws2_32.a)
+  set(LIBS ${LIBS} ${WINSOCK_LIB})
+ENDIF(WIN32)
+
+if(MINGW)
+  # force MinGW-w64 in 32bit mode
+  add_definitions("-m32")
+  set(CMAKE_SHARED_LINKER_FLAGS -m32)
+  set(CMAKE_EXE_LINKER_FLAGS -m32)
+endif(MINGW)
+
+message("CMAKE_C_FLAGS: " ${CMAKE_C_FLAGS})
+message("CMAKE_SHARED_LINKER_FLAGS: " ${CMAKE_SHARED_LINKER_FLAGS})
+
+include_directories(${LIBNFC_INCLUDE_DIRS} ${OPENSSL_INCLUDE_DIR} ${CMAKE_CURRENT_SOURCE_DIR})
+set(LIBS ${LIBS} ${LIBNFC_LIBRARIES} ${OPENSSL_LIBRARIES})
+
+if(NOT DEFINED CMAKE_INSTALL_PREFIX)
+  message("CMAKE_INSTALL_PREFIX not defined")
+  set(CMAKE_INSTALL_PREFIX "c:/projects/EVENT/install") # TODO
+endif(NOT DEFINED CMAKE_INSTALL_PREFIX)
+
+if(DEFINED CMAKE_INSTALL_LIBDIR)
+  set(libdir ${CMAKE_INSTALL_LIBDIR})
+else(DEFINED CMAKE_INSTALL_LIBDIR)
+  set(CMAKE_INSTALL_LIBDIR lib)
+  set(libdir ${CMAKE_INSTALL_PREFIX}/${CMAKE_INSTALL_LIBDIR})
+endif(DEFINED CMAKE_INSTALL_LIBDIR)
+
+if(DEFINED INCLUDE_INSTALL_DIR)
+  set(includedir ${INCLUDE_INSTALL_DIR})
+else(DEFINED INCLUDE_INSTALL_DIR)
+  set(INCLUDE_INSTALL_DIR include)
+  set(includedir ${CMAKE_INSTALL_PREFIX}/${INCLUDE_INSTALL_DIR})
+endif(DEFINED INCLUDE_INSTALL_DIR)
+
+if(NOT DEFINED SHARE_INSTALL_PREFIX)
+  set(SHARE_INSTALL_PREFIX share)
+endif(NOT DEFINED SHARE_INSTALL_PREFIX)
+
+add_subdirectory(libfreefare)
+add_subdirectory(examples)