Update Visual Studio build instructions

.travis.yml

@@ -11,8 +11,8 @@ env:
     # to boost's .tar.gz.
     - LCOV_ROOT=$HOME/lcov
     - GDB_ROOT=$HOME/gdb
-    - BOOST_ROOT=$HOME/boost_1_60_0
-    - BOOST_URL='http://sourceforge.net/projects/boost/files/boost/1.60.0/boost_1_60_0.tar.gz'
+    - BOOST_ROOT=$HOME/boost_1_66_0
+    - BOOST_URL='http://sourceforge.net/projects/boost/files/boost/1.66.0/boost_1_66_0.tar.gz'
 
 # Travis is timing out on Trusty.  So, for now, use Precise.  July 2017
 dist: precise

Builds/CMake/CMakeFuncs.cmake

@@ -357,6 +357,12 @@ macro(use_boost)
       if(NOT Boost_FOUND)
         message(WARNING "Boost directory found, but not all components. May not be able to build.")
       endif()
+	  if(MSVC14)
+	    # VS2017 with boost <= 1.66.0 requires a flag to suppress warnings
+		if(NOT Boost_VERSION VERSION_GREATER 106600)
+			add_definitions(-DBOOST_CONFIG_SUPPRESS_OUTDATED_MESSAGE)
+		endif()
+	  endif()
       include_directories(SYSTEM ${Boost_INCLUDE_DIRS})
       link_directories(${Boost_LIBRARY_DIRS})
     else()
@@ -383,9 +389,13 @@ macro(use_openssl openssl_min)
   endif()
 
   if (WIN32)
-    if (DEFINED ENV{OPENSSL_ROOT})
-      include_directories($ENV{OPENSSL_ROOT}/include)
-      link_directories($ENV{OPENSSL_ROOT}/lib)
+	if ((NOT DEFINED OPENSSL_ROOT) AND (DEFINED ENV{OPENSSL_ROOT}))
+        set(OPENSSL_ROOT $ENV{OPENSSL_ROOT})
+    endif()
+    file(TO_CMAKE_PATH "${OPENSSL_ROOT}" OPENSSL_ROOT)
+    if (DEFINED OPENSSL_ROOT)
+      include_directories(${OPENSSL_ROOT}/include)
+      link_directories(${OPENSSL_ROOT}/lib)
     endif()
   else()
     if (static)