Updated external dependencies

.gitignore

@@ -1,7 +1,9 @@
+/ext/bin
 /ext/boost
+/ext/glfw
+/ext/GSL
 /ext/SFML
 /ext/tbb
-/ext/glfw
 
 /ide/msvc2015/HourglassII/x64
 /ide/msvc2015/HourglassII/HourglassII/x64

ext/ExternalDependencies.txt

@@ -2,19 +2,9 @@
 HourglassII depends on the following libraries:
 
 Boost version 1.68.0 -- http://www.boost.org/users/history/version_1_68_0.html
-SFML version 2.5.0 -- http://www.sfml-dev.org/download.php
-Threading Building Blocks version 2018 Update 5 -- http://threadingbuildingblocks.org
-
-These libraries must be compiled and placed in the following directory structure within the ext/ directory.
-
-boost/
-  lib/
-  include/
-SFML/
-  lib/
-  include/
-tbb/
-  lib/
-  include/
-
-Platform specific notes (including descriptions of the additional dependencies required by some platforms) are available in the `<PlatformName>ExternalDependencies.txt` files in this directory.
+SFML version 2.5.1 -- http://www.sfml-dev.org/download.php
+Threading Building Blocks version 2019 Update 4 -- http://threadingbuildingblocks.org
+OpenALSoft 1.19.1 -- https://github.com/kcat/openal-soft/releases/tag/openal-soft-1.19.1
+GLFW 3.2.1 -- https://www.glfw.org/download.html
+GSL 7d78b743e43ecba06ca47426d03d9d16076dec16 -- https://github.com/Microsoft/GSL/
+Vulkan (LunarG Vulkan SDK 1.1.101.0) -- https://vulkan.lunarg.com/sdk/home

unitysrc/CMakeLists.txt

@@ -5,7 +5,7 @@ cmake_minimum_required (VERSION 3.12)
 set(CXXGSL_INCLUDE_DIRS "" CACHE FILEPATH "The location of the C++ Guidelines Support Library headers")
 
 set(SFML_STATIC_LIBRARIES TRUE)
-find_package(SFML 2.5 COMPONENTS graphics audio REQUIRED)
+find_package(SFML 2.5.1 COMPONENTS graphics audio REQUIRED)
 
 set(Boost_USE_STATIC_LIBS ON)
 set(Boost_USE_MULTITHREADED ON)