diff --git a/doomsday/cmake/Directories.cmake b/doomsday/cmake/Directories.cmake
index 6a62c6fbee..4d06e23460 100644
--- a/doomsday/cmake/Directories.cmake
+++ b/doomsday/cmake/Directories.cmake
@@ -28,7 +28,7 @@ else ()
     set (DE_CONFIGURATION_TYPES ${CMAKE_BUILD_TYPE})
 endif ()
 
-if (UNIX AND NOT APPLE)
+if (UNIX AND NOT (APPLE OR CYGWIN))
     set (UNIX_LINUX YES)
     include (GNUInstallDirs)
 endif()
diff --git a/doomsday/cmake/FindFMOD.cmake b/doomsday/cmake/FindFMOD.cmake
index d3bf11d371..a3426c8ed8 100644
--- a/doomsday/cmake/FindFMOD.cmake
+++ b/doomsday/cmake/FindFMOD.cmake
@@ -2,8 +2,11 @@ set (FMOD_DIR "" CACHE PATH "Location of the FMOD Programmer's API SDK")
 
 set (_oldPath ${FMOD_FMOD_H})
 
+# We may need to clean up the provided path.
+deng_clean_path (fmodRoot ${FMOD_DIR})
+
 find_file (FMOD_FMOD_H api/lowlevel/inc/fmod.h
-    PATHS "${FMOD_DIR}"
+    PATHS "${fmodRoot}"
     HINTS ENV DENG_DEPEND_PATH
     PATH_SUFFIXES "FMOD" "FMOD Programmers API" "FMOD Studio API Windows"
     NO_DEFAULT_PATH
diff --git a/doomsday/cmake/FindSDL2Libs.cmake b/doomsday/cmake/FindSDL2Libs.cmake
index 07c8de2bf5..246740dc7f 100644
--- a/doomsday/cmake/FindSDL2Libs.cmake
+++ b/doomsday/cmake/FindSDL2Libs.cmake
@@ -16,22 +16,30 @@ if (TARGET SDL2)
     return ()
 endif ()
 
-if (PKG_CONFIG_FOUND AND (NOT IOS) AND (NOT CYGWIN))
+if (PKG_CONFIG_FOUND AND (NOT CYGWIN OR IOS))
+    # The Unix Way: use pkg-config to find the SDL2 libs installed on system.
     if (NOT TARGET SDL2)
         add_pkgconfig_interface_library (SDL2 OPTIONAL sdl2)
         add_pkgconfig_interface_library (SDL2_mixer OPTIONAL SDL2_mixer)
     endif ()
 
 elseif (WIN32 OR CYGWIN)
-    # Try to locate SDL2 from the local system (assuming Windows).
+    deng_clean_path (sdlRoot ${SDL2_DIR})
+    # This is Windows, so we'll use the Windows SDL2 libraries that the user has 
+    # installed in FMOD_DIR. Note that Cygwin also uses the native SDL2 libraries
+    # and *not* the Cygwin ones, which would presumably have an X11 dependency.
     set (_oldPath ${SDL2_LIBRARY})
     if (CYGWIN)
-        # Assume it has been set manually.
-        set (SDL2_LIBRARY ${SDL2_DIR}/lib/${DE_ARCH}/SDL2.lib)
+       if (SDL2_DIR STREQUAL "")
+           message (FATAL_ERROR "SDL2_DIR must be set in Cygwin")
+       endif ()
+       # Assume it has been set manually.
+       set (SDL2_LIBRARY ${sdlRoot}/lib/${DE_ARCH}/SDL2.lib)
+       message (STATUS ${SDL2_LIBRARY})
     else ()
-        file (GLOB _hints ${SDL2_DIR}/SDL2* $ENV{DENG_DEPEND_PATH}/SDL2*)
+        file (GLOB _hints ${sdlRoot}/SDL2* $ENV{DENG_DEPEND_PATH}/SDL2*)
         find_library (SDL2_LIBRARY SDL2
-            PATHS ${SDL2_DIR}
+            PATHS ${sdlRoot}
             HINTS ${_hints} ENV DENG_DEPEND_PATH
             PATH_SUFFIXES lib/${DE_ARCH} lib
         )
@@ -47,7 +55,7 @@ elseif (WIN32 OR CYGWIN)
     # Define the target.
     add_library (SDL2 INTERFACE)
     if (CYGWIN)
-        target_link_libraries(SDL2 INTERFACE ${SDL2_DIR}/lib/${DE_ARCH}/SDL2main.lib)
+        target_link_libraries(SDL2 INTERFACE ${sdlRoot}/lib/${DE_ARCH}/SDL2main.lib)
     endif ()
     target_link_libraries (SDL2 INTERFACE ${SDL2_LIBRARY})
 
@@ -62,15 +70,19 @@ elseif (WIN32 OR CYGWIN)
     deng_install_library (${_libDir}/SDL2.dll)
 
     # Also attempt to locate SLD2_mixer.
+    deng_clean_path (sdlMixerDir ${SDL2_MIXER_DIR})
     set (_oldPath ${SDL_MIXER_LIBRARY})
     if (CYGWIN)
-        set (SDL2_MIXER_LIBRARY ${SDL2_MIXER_DIR}/lib/${DE_ARCH}/SDL2_mixer.lib)
+        if (SDL2_MIXER_DIR STREQUAL "")
+            message (FATAL_ERROR "SDL2_MIXER_DIR must be set in Cygwin")
+        endif ()
+        set (SDL2_MIXER_LIBRARY ${sdlMixerDir}/lib/${DE_ARCH}/SDL2_mixer.lib)
     else ()
-        file (GLOB _hints ${SDL2_DIR}/SDL2_mixer* ${SDL2_MIXER_DIR}/SDL2_mixer*
+        file (GLOB _hints ${sdlRoot}/SDL2_mixer* ${sdlMixerDir}/SDL2_mixer*
               $ENV{DENG_DEPEND_PATH}/SDL2_mixer*
         )
         find_library (SDL2_MIXER_LIBRARY SDL2_mixer
-            PATHS ${SDL2_DIR} ${SDL2_MIXER_DIR}
+            PATHS ${sdlRoot} ${sdlMixerDir}
             HINTS ${_hints} ENV DENG_DEPEND_PATH
             PATH_SUFFIXES lib/${DE_ARCH} lib
         )
diff --git a/doomsday/cmake/Macros.cmake b/doomsday/cmake/Macros.cmake
index 8be539a185..a46fab45d5 100644
--- a/doomsday/cmake/Macros.cmake
+++ b/doomsday/cmake/Macros.cmake
@@ -440,7 +440,7 @@ macro (deng_deploy_library target name)
         install (TARGETS ${target} EXPORT ${name}
             RUNTIME DESTINATION bin COMPONENT libs
             LIBRARY DESTINATION ${DE_INSTALL_LIB_DIR} COMPONENT libs
-            ARCHIVE DESTINATION lib COMPONENT sdk
+            ARCHIVE DESTINATION ${DE_INSTALL_LIB_DIR} COMPONENT sdk
         )
         install (EXPORT ${name} DESTINATION ${DE_INSTALL_CMAKE_DIR}/${name}
             FILE ${name}-config.cmake
@@ -454,6 +454,7 @@ macro (deng_deploy_library target name)
         if (NOT APPLE)
             # When the SDK is disabled, only the runtime binary is installed.
             install (TARGETS ${target}
+                RUNTIME DESTINATION bin COMPONENT libs
                 LIBRARY DESTINATION ${DE_INSTALL_LIB_DIR} COMPONENT libs
             )
         endif ()
@@ -774,7 +775,7 @@ endfunction (deng_install_tool)
 # Not applicable to macOS because libraries are not installed but instead
 # bundled with the applicatino.
 macro (deng_install_library library)
-    if (UNIX_LINUX AND NOT CYGWIN)
+    if (UNIX_LINUX)
         string (REGEX REPLACE "(.*)\\.so" "\\1-*.so" versioned ${library})
         file (GLOB _links ${library}.* ${versioned})
         install (FILES ${library} ${_links}
@@ -891,3 +892,16 @@ function (deng_link_libraries target visibility)
     endforeach (name)
     target_link_libraries (${target} ${visibility} ${libTargets})
 endfunction (deng_link_libraries)
+
+macro (deng_clean_path outvar)
+    if (${ARGC} GREATER 1)
+        set (${outvar} ${ARGV1})
+        if (CYGWIN)
+            execute_process (COMMAND cygpath -u ${ARGV1}
+                OUTPUT_VARIABLE ${outvar}
+                OUTPUT_STRIP_TRAILING_WHITESPACE)
+        endif ()
+    else ()
+        set (${outVar} "")
+    endif ()
+endmacro ()
diff --git a/doomsday/cmake/PlatformCygwin.cmake b/doomsday/cmake/PlatformCygwin.cmake
index 3b45bd212e..96b1128165 100755
--- a/doomsday/cmake/PlatformCygwin.cmake
+++ b/doomsday/cmake/PlatformCygwin.cmake
@@ -3,11 +3,9 @@ include (PlatformGenericUnix)
 set (DE_PLATFORM_SUFFIX windows)
 set (DE_AMETHYST_PLATFORM WIN32)
 
-# if (NOT CYGWIN)
-#     set (DE_INSTALL_DATA_DIR   "data")
-#     set (DE_INSTALL_DOC_DIR    "doc")
-#     set (DE_INSTALL_LIB_DIR    "bin")
-# endif ()
+# set (DE_INSTALL_DATA_DIR "data")
+set (DE_INSTALL_DOC_DIR "doc")
+#set (DE_INSTALL_LIB_DIR "bin")
 
 add_definitions (
     -D__USE_BSD
diff --git a/doomsday/libs/gamekit/libs/GameConfig.cmake b/doomsday/libs/gamekit/libs/GameConfig.cmake
index f460697bd3..0c2de744b8 100644
--- a/doomsday/libs/gamekit/libs/GameConfig.cmake
+++ b/doomsday/libs/gamekit/libs/GameConfig.cmake
@@ -105,9 +105,10 @@ macro (deng_add_gamelib target)
 
     # if (NOT APPLE)
     install (TARGETS ${target}
-        EXPORT ${target} 
-        DESTINATION ${DE_INSTALL_LIB_DIR}
-        LIBRARY DESTINATION ${DE_INSTALL_LIB_DIR} 
+        EXPORT ${target}
+        RUNTIME DESTINATION bin
+        LIBRARY DESTINATION ${DE_INSTALL_LIB_DIR}
+        ARCHIVE DESTINATION ${DE_INSTALL_LIB_DIR}
         COMPONENT libs
     )
     install (EXPORT ${target}