THRIFT-4081: appveyor retooling - added mingw64 build as a second job to the CI build process

This closes #1205
diff --git a/build/cmake/DefineOptions.cmake b/build/cmake/DefineOptions.cmake
index c2bc717..93fe2c0 100644
--- a/build/cmake/DefineOptions.cmake
+++ b/build/cmake/DefineOptions.cmake
@@ -40,7 +40,7 @@
 # and enables the library if all are found. This means the default is to build as
 # much as possible but leaving out libraries if their dependencies are not met.
 
-CMAKE_DEPENDENT_OPTION(WITH_BOOST_STATIC "Build with Boost static link library" OFF "NOT MSVC" ON)
+option(WITH_BOOST_STATIC "Build with Boost static link library" OFF)
 set(Boost_USE_STATIC_LIBS ${WITH_BOOST_STATIC})
 if (NOT WITH_BOOST_STATIC)
     add_definitions(-DBOOST_ALL_DYN_LINK)
@@ -194,16 +194,13 @@
 message(STATUS " Library features:")
 message(STATUS "  Build shared libraries:                     ${WITH_SHARED_LIB}")
 message(STATUS "  Build static libraries:                     ${WITH_STATIC_LIB}")
-message(STATUS "  Build with ZLIB support:                    ${WITH_ZLIB}")
-message(STATUS "  Build with libevent support:                ${WITH_LIBEVENT}")
-message(STATUS "  Build with Qt4 support:                     ${WITH_QT4}")
-message(STATUS "  Build with Qt5 support:                     ${WITH_QT5}")
-message(STATUS "  Build with OpenSSL support:                 ${WITH_OPENSSL}")
+message(STATUS "  Build with Boost static link library:       ${WITH_BOOST_STATIC}")
 message(STATUS "  Build with Boost thread support:            ${WITH_BOOSTTHREADS}")
 message(STATUS "  Build with C++ std::thread support:         ${WITH_STDTHREADS}")
-message(STATUS "  Build with Boost static link library:       ${WITH_BOOST_STATIC}")
-if(MSVC)
-    message(STATUS "    - Enabled for Visual C++")
-endif()
+message(STATUS "  Build with libevent support:                ${WITH_LIBEVENT}")
+message(STATUS "  Build with OpenSSL support:                 ${WITH_OPENSSL}")
+message(STATUS "  Build with Qt4 support:                     ${WITH_QT4}")
+message(STATUS "  Build with Qt5 support:                     ${WITH_QT5}")
+message(STATUS "  Build with ZLIB support:                    ${WITH_ZLIB}")
 message(STATUS "----------------------------------------------------------")
 endmacro(PRINT_CONFIG_SUMMARY)