[vcpkg-toolchain] Improvements; add VCPKG_CHAINLOAD_TOOLCHAIN_FILE

4 files changed, 219 insertions, 193 deletions

diff --git a/ports/butteraugli/CMakeLists.txt b/ports/butteraugli/CMakeLists.txt
index 3bd8a6c37..0b5373c5a 100644
--- a/ports/butteraugli/CMakeLists.txt
+++ b/ports/butteraugli/CMakeLists.txt
@@ -1,29 +1,19 @@
 cmake_minimum_required(VERSION 3.8.0)
-project(butteraugli)
+project(butteraugli CXX)
 
+set(CMAKE_WINDOWS_EXPORT_ALL_SYMBOLS ON)
+add_compile_options(-D_CRT_SECURE_NO_WARNINGS -DNOMINMAX)
 if(MSVC)
-  add_compile_options(/W3 /wd4005 /wd4996 /wd4018 -D_CRT_SECURE_NO_WARNINGS -DNOMINMAX)
+  add_compile_options(/W3 /wd4005 /wd4996 /wd4018)
 endif()
 
-
-
 find_package(JPEG REQUIRED)
 find_package(PNG REQUIRED)
 
-include_directories("."  ${JPEG_INCLUDE_DIR} ${PNG_INCLUDE_DIRS})
-
-if(BUILD_SHARED_LIBS)
-  set(CMAKE_WINDOWS_EXPORT_ALL_SYMBOLS ON)
-endif()
-
+include_directories(".")
 
 add_library(butteraugli_lib butteraugli/butteraugli.cc)
 
-add_executable(butteraugli butteraugli/butteraugli_main.cc)
-
-target_link_libraries(butteraugli butteraugli_lib ${JPEG_LIBRARIES} ${PNG_LIBRARIES})
-
-
 install(
   TARGETS butteraugli_lib
   RUNTIME DESTINATION bin
@@ -32,6 +22,10 @@ install(
 )
 
 if(NOT DISABLE_INSTALL_TOOLS)
+  add_executable(butteraugli butteraugli/butteraugli_main.cc)
+  target_include_directories(butteraugli PRIVATE ${JPEG_INCLUDE_DIR} ${PNG_INCLUDE_DIRS})
+  target_link_libraries(butteraugli PRIVATE butteraugli_lib ${JPEG_LIBRARIES} ${PNG_LIBRARIES})
+
   install (
     TARGETS butteraugli
     RUNTIME DESTINATION tools/butteraugli
diff --git a/ports/libjpeg-turbo/portfile.cmake b/ports/libjpeg-turbo/portfile.cmake
index d1138dbbf..a5d09fda2 100644
--- a/ports/libjpeg-turbo/portfile.cmake
+++ b/ports/libjpeg-turbo/portfile.cmake
@@ -16,12 +16,12 @@ vcpkg_find_acquire_program(NASM)
 get_filename_component(NASM_EXE_PATH ${NASM} DIRECTORY)
 set(ENV{PATH} "$ENV{PATH};${NASM_EXE_PATH}")
 
-if (VCPKG_LIBRARY_LINKAGE STREQUAL dynamic)
-    set(BUILD_STATIC OFF)
-    set(NOT_BUILD_STATIC ON)
+if(VCPKG_LIBRARY_LINKAGE STREQUAL "dynamic")
+    set(ENABLE_STATIC OFF)
+    set(ENABLE_SHARED ON)
 else()
-    set(BUILD_STATIC ON)
-    set(NOT_BUILD_STATIC OFF)
+    set(ENABLE_STATIC ON)
+    set(ENABLE_SHARED OFF)
 endif()
 
 if(VCPKG_TARGET_ARCHITECTURE STREQUAL "arm")
@@ -32,9 +32,8 @@ vcpkg_configure_cmake(
     SOURCE_PATH ${SOURCE_PATH}
     PREFER_NINJA
     OPTIONS
-        -DENABLE_STATIC=${BUILD_STATIC}
-        -DENABLE_SHARED=${NOT_BUILD_STATIC}
-        -DWITH_CRT_DLL=ON
+        -DENABLE_STATIC=${ENABLE_STATIC}
+        -DENABLE_SHARED=${ENABLE_SHARED}
         -DENABLE_EXECUTABLES=OFF
         -DINSTALL_DOCS=OFF
         ${LIBJPEGTURBO_SIMD}
diff --git a/scripts/buildsystems/vcpkg.cmake b/scripts/buildsystems/vcpkg.cmake
index d8c7ee6b8..19fc99af7 100644
--- a/scripts/buildsystems/vcpkg.cmake
+++ b/scripts/buildsystems/vcpkg.cmake
@@ -1,156 +1,175 @@
 # Mark variables as used so cmake doesn't complain about them
-set(CMAKE_TOOLCHAIN_FILE ${CMAKE_TOOLCHAIN_FILE})
-if(NOT VCPKG_TOOLCHAIN)
-    if(CMAKE_GENERATOR_PLATFORM MATCHES "^[Ww][Ii][Nn]32$")
+mark_as_advanced(CMAKE_TOOLCHAIN_FILE)
+
+if(VCPKG_CHAINLOAD_TOOLCHAIN_FILE)
+    include("${VCPKG_CHAINLOAD_TOOLCHAIN_FILE}")
+endif()
+
+if(VCPKG_TOOLCHAIN)
+    return()
+endif()
+
+get_property( _CMAKE_IN_TRY_COMPILE GLOBAL PROPERTY IN_TRY_COMPILE )
+if( _CMAKE_IN_TRY_COMPILE )
+    include( "${CMAKE_CURRENT_SOURCE_DIR}/../vcpkg.config.cmake" OPTIONAL )
+endif()
+
+if(VCPKG_TARGET_TRIPLET)
+elseif(CMAKE_GENERATOR_PLATFORM MATCHES "^[Ww][Ii][Nn]32$")
+    set(_VCPKG_TARGET_TRIPLET_ARCH x86)
+elseif(CMAKE_GENERATOR_PLATFORM MATCHES "^[Xx]64$")
+    set(_VCPKG_TARGET_TRIPLET_ARCH x64)
+elseif(CMAKE_GENERATOR_PLATFORM MATCHES "^[Aa][Rr][Mm]$")
+    set(_VCPKG_TARGET_TRIPLET_ARCH arm)
+else()
+    if(CMAKE_GENERATOR MATCHES "^Visual Studio 14 2015 Win64$")
+        set(_VCPKG_TARGET_TRIPLET_ARCH x64)
+    elseif(CMAKE_GENERATOR MATCHES "^Visual Studio 14 2015 ARM$")
+        set(_VCPKG_TARGET_TRIPLET_ARCH arm)
+    elseif(CMAKE_GENERATOR MATCHES "^Visual Studio 14 2015$")
         set(_VCPKG_TARGET_TRIPLET_ARCH x86)
-    elseif(CMAKE_GENERATOR_PLATFORM MATCHES "^[Xx]64$")
+    elseif(CMAKE_GENERATOR MATCHES "^Visual Studio 15 2017 Win64$")
         set(_VCPKG_TARGET_TRIPLET_ARCH x64)
-    elseif(CMAKE_GENERATOR_PLATFORM MATCHES "^[Aa][Rr][Mm]$")
+    elseif(CMAKE_GENERATOR MATCHES "^Visual Studio 15 2017 ARM")
         set(_VCPKG_TARGET_TRIPLET_ARCH arm)
+    elseif(CMAKE_GENERATOR MATCHES "^Visual Studio 15 2017")
+        set(_VCPKG_TARGET_TRIPLET_ARCH x86)
     else()
-        if(CMAKE_GENERATOR MATCHES "^Visual Studio 14 2015 Win64$")
+        find_program(_VCPKG_CL cl)
+        if(_VCPKG_CL MATCHES "amd64/cl.exe$" OR _VCPKG_CL MATCHES "x64/cl.exe$")
             set(_VCPKG_TARGET_TRIPLET_ARCH x64)
-        elseif(CMAKE_GENERATOR MATCHES "^Visual Studio 14 2015 ARM$")
+        elseif(_VCPKG_CL MATCHES "arm/cl.exe$")
             set(_VCPKG_TARGET_TRIPLET_ARCH arm)
-        elseif(CMAKE_GENERATOR MATCHES "^Visual Studio 14 2015$")
-            set(_VCPKG_TARGET_TRIPLET_ARCH x86)
-        elseif(CMAKE_GENERATOR MATCHES "^Visual Studio 15 2017 Win64$")
-            set(_VCPKG_TARGET_TRIPLET_ARCH x64)
-        elseif(CMAKE_GENERATOR MATCHES "^Visual Studio 15 2017 ARM")
-            set(_VCPKG_TARGET_TRIPLET_ARCH arm)
-        elseif(CMAKE_GENERATOR MATCHES "^Visual Studio 15 2017")
+        elseif(_VCPKG_CL MATCHES "bin/cl.exe$" OR _VCPKG_CL MATCHES "x86/cl.exe$")
             set(_VCPKG_TARGET_TRIPLET_ARCH x86)
         else()
-            find_program(_VCPKG_CL cl)
-            if(_VCPKG_CL MATCHES "amd64/cl.exe$" OR _VCPKG_CL MATCHES "x64/cl.exe$")
-                set(_VCPKG_TARGET_TRIPLET_ARCH x64)
-            elseif(_VCPKG_CL MATCHES "arm/cl.exe$")
-                set(_VCPKG_TARGET_TRIPLET_ARCH arm)
-            elseif(_VCPKG_CL MATCHES "bin/cl.exe$" OR _VCPKG_CL MATCHES "x86/cl.exe$")
-                set(_VCPKG_TARGET_TRIPLET_ARCH x86)
-            else()
-                message(FATAL_ERROR "Unable to determine target architecture.")
-            endif()
+            message(FATAL_ERROR "Unable to determine target architecture.")
         endif()
     endif()
+endif()
 
-    if(CMAKE_SYSTEM_NAME STREQUAL "WindowsStore" OR CMAKE_SYSTEM_NAME STREQUAL "WindowsPhone")
-        set(_VCPKG_TARGET_TRIPLET_PLAT uwp)
-    else()
-        set(_VCPKG_TARGET_TRIPLET_PLAT windows)
-    endif()
+if(CMAKE_SYSTEM_NAME STREQUAL "WindowsStore" OR CMAKE_SYSTEM_NAME STREQUAL "WindowsPhone")
+    set(_VCPKG_TARGET_TRIPLET_PLAT uwp)
+else()
+    set(_VCPKG_TARGET_TRIPLET_PLAT windows)
+endif()
 
-    set(VCPKG_TARGET_TRIPLET ${_VCPKG_TARGET_TRIPLET_ARCH}-${_VCPKG_TARGET_TRIPLET_PLAT} CACHE STRING "Vcpkg target triplet (ex. x86-windows)")
-    set(_VCPKG_TOOLCHAIN_DIR ${CMAKE_CURRENT_LIST_DIR})
+set(VCPKG_TARGET_TRIPLET ${_VCPKG_TARGET_TRIPLET_ARCH}-${_VCPKG_TARGET_TRIPLET_PLAT} CACHE STRING "Vcpkg target triplet (ex. x86-windows)")
+set(_VCPKG_TOOLCHAIN_DIR ${CMAKE_CURRENT_LIST_DIR})
 
-    #Detect .vcpkg-root to figure VCPKG_ROOT_DIR
-    SET(_VCPKG_ROOT_DIR_CANDIDATE ${CMAKE_CURRENT_LIST_DIR})
-    while(IS_DIRECTORY ${_VCPKG_ROOT_DIR_CANDIDATE} AND NOT EXISTS "${_VCPKG_ROOT_DIR_CANDIDATE}/.vcpkg-root")
-        get_filename_component(_VCPKG_ROOT_DIR_TEMP ${_VCPKG_ROOT_DIR_CANDIDATE} DIRECTORY)
-        if (_VCPKG_ROOT_DIR_TEMP STREQUAL _VCPKG_ROOT_DIR_CANDIDATE) # If unchanged, we have reached the root of the drive
-            message(FATAL_ERROR "Could not find .vcpkg-root")
-        else()
-            SET(_VCPKG_ROOT_DIR_CANDIDATE ${_VCPKG_ROOT_DIR_TEMP})
-        endif()
-    endwhile()
-    set(_VCPKG_ROOT_DIR ${_VCPKG_ROOT_DIR_CANDIDATE})
-    set(_VCPKG_INSTALLED_DIR ${_VCPKG_ROOT_DIR}/installed)
-
-    if(CMAKE_BUILD_TYPE MATCHES "^Debug$" OR NOT DEFINED CMAKE_BUILD_TYPE)
-        list(APPEND CMAKE_PREFIX_PATH
-            ${_VCPKG_INSTALLED_DIR}/${VCPKG_TARGET_TRIPLET}/debug
-        )
-        list(APPEND CMAKE_LIBRARY_PATH
-            ${_VCPKG_INSTALLED_DIR}/${VCPKG_TARGET_TRIPLET}/debug/lib/manual-link
-        )
+# Detect .vcpkg-root to figure VCPKG_ROOT_DIR
+set(_VCPKG_ROOT_DIR_CANDIDATE ${CMAKE_CURRENT_LIST_DIR})
+while(IS_DIRECTORY ${_VCPKG_ROOT_DIR_CANDIDATE} AND NOT EXISTS "${_VCPKG_ROOT_DIR_CANDIDATE}/.vcpkg-root")
+    get_filename_component(_VCPKG_ROOT_DIR_TEMP ${_VCPKG_ROOT_DIR_CANDIDATE} DIRECTORY)
+    if (_VCPKG_ROOT_DIR_TEMP STREQUAL _VCPKG_ROOT_DIR_CANDIDATE) # If unchanged, we have reached the root of the drive
+        message(FATAL_ERROR "Could not find .vcpkg-root")
+    else()
+        SET(_VCPKG_ROOT_DIR_CANDIDATE ${_VCPKG_ROOT_DIR_TEMP})
     endif()
+endwhile()
+set(_VCPKG_ROOT_DIR ${_VCPKG_ROOT_DIR_CANDIDATE})
+set(_VCPKG_INSTALLED_DIR ${_VCPKG_ROOT_DIR}/installed)
+
+if(CMAKE_BUILD_TYPE MATCHES "^Debug$" OR NOT DEFINED CMAKE_BUILD_TYPE)
     list(APPEND CMAKE_PREFIX_PATH
-        ${_VCPKG_INSTALLED_DIR}/${VCPKG_TARGET_TRIPLET}
+        ${_VCPKG_INSTALLED_DIR}/${VCPKG_TARGET_TRIPLET}/debug
     )
     list(APPEND CMAKE_LIBRARY_PATH
-        ${_VCPKG_INSTALLED_DIR}/${VCPKG_TARGET_TRIPLET}/lib/manual-link
+        ${_VCPKG_INSTALLED_DIR}/${VCPKG_TARGET_TRIPLET}/debug/lib/manual-link
     )
+endif()
+list(APPEND CMAKE_PREFIX_PATH
+    ${_VCPKG_INSTALLED_DIR}/${VCPKG_TARGET_TRIPLET}
+)
+list(APPEND CMAKE_LIBRARY_PATH
+    ${_VCPKG_INSTALLED_DIR}/${VCPKG_TARGET_TRIPLET}/lib/manual-link
+)
 
-    set(Boost_COMPILER "-vc140")
+set(Boost_COMPILER "-vc140")
 
-    if (NOT DEFINED CMAKE_SYSTEM_VERSION)
-        include(${_VCPKG_ROOT_DIR}/scripts/cmake/vcpkg_get_windows_sdk.cmake)
-        # This is used as an implicit parameter for vcpkg_get_windows_sdk
-        set(VCPKG_ROOT_DIR ${_VCPKG_ROOT_DIR})
-        vcpkg_get_windows_sdk(WINDOWS_SDK_VERSION)
-        unset(VCPKG_ROOT_DIR)
-        set(CMAKE_SYSTEM_VERSION ${WINDOWS_SDK_VERSION})
-    endif()
+if (NOT DEFINED CMAKE_SYSTEM_VERSION)
+    include(${_VCPKG_ROOT_DIR}/scripts/cmake/vcpkg_get_windows_sdk.cmake)
+    # This is used as an implicit parameter for vcpkg_get_windows_sdk
+    set(VCPKG_ROOT_DIR ${_VCPKG_ROOT_DIR})
+    vcpkg_get_windows_sdk(WINDOWS_SDK_VERSION)
+    unset(VCPKG_ROOT_DIR)
+    set(CMAKE_SYSTEM_VERSION ${WINDOWS_SDK_VERSION} CACHE STRING "Windows SDK version")
+endif()
 
-    file(TO_CMAKE_PATH "$ENV{PROGRAMFILES}" _programfiles)
-    set(CMAKE_SYSTEM_IGNORE_PATH
-        "${_programfiles}/OpenSSL"
-        "${_programfiles}/OpenSSL-Win32"
-        "${_programfiles}/OpenSSL-Win64"
-        "${_programfiles}/OpenSSL-Win32/lib/VC"
-        "${_programfiles}/OpenSSL-Win64/lib/VC"
-        "${_programfiles}/OpenSSL-Win32/lib/VC/static"
-        "${_programfiles}/OpenSSL-Win64/lib/VC/static"
-        "C:/OpenSSL/"
-        "C:/OpenSSL-Win32/"
-        "C:/OpenSSL-Win64/"
-        "C:/OpenSSL-Win32/lib/VC"
-        "C:/OpenSSL-Win64/lib/VC"
-        "C:/OpenSSL-Win32/lib/VC/static"
-        "C:/OpenSSL-Win64/lib/VC/static"
-    )
+file(TO_CMAKE_PATH "$ENV{PROGRAMFILES}" _programfiles)
+set(CMAKE_SYSTEM_IGNORE_PATH
+    "${_programfiles}/OpenSSL"
+    "${_programfiles}/OpenSSL-Win32"
+    "${_programfiles}/OpenSSL-Win64"
+    "${_programfiles}/OpenSSL-Win32/lib/VC"
+    "${_programfiles}/OpenSSL-Win64/lib/VC"
+    "${_programfiles}/OpenSSL-Win32/lib/VC/static"
+    "${_programfiles}/OpenSSL-Win64/lib/VC/static"
+    "C:/OpenSSL/"
+    "C:/OpenSSL-Win32/"
+    "C:/OpenSSL-Win64/"
+    "C:/OpenSSL-Win32/lib/VC"
+    "C:/OpenSSL-Win64/lib/VC"
+    "C:/OpenSSL-Win32/lib/VC/static"
+    "C:/OpenSSL-Win64/lib/VC/static"
+)
 
-    set(CMAKE_PROGRAM_PATH ${CMAKE_PROGRAM_PATH} ${_VCPKG_INSTALLED_DIR}/${VCPKG_TARGET_TRIPLET}/tools)
-    file(GLOB _VCPKG_TOOLS_DIRS ${_VCPKG_INSTALLED_DIR}/${VCPKG_TARGET_TRIPLET}/tools/*)
-    foreach(_VCPKG_TOOLS_DIR ${_VCPKG_TOOLS_DIRS})
-        if(IS_DIRECTORY ${_VCPKG_TOOLS_DIR})
-            set(CMAKE_PROGRAM_PATH ${CMAKE_PROGRAM_PATH} ${_VCPKG_TOOLS_DIR})
-        endif()
-    endforeach()
-
-    option(VCPKG_APPLOCAL_DEPS "Automatically copy dependencies into the output directory for executables." ON)
-    function(add_executable name)
-        _add_executable(${ARGV})
-        list(FIND ARGV "IMPORTED" IMPORTED_IDX)
-        list(FIND ARGV "ALIAS" ALIAS_IDX)
-        if(IMPORTED_IDX EQUAL -1 AND ALIAS_IDX EQUAL -1)
-            if(VCPKG_APPLOCAL_DEPS)
-                add_custom_command(TARGET ${name} POST_BUILD
-                    COMMAND powershell -noprofile -executionpolicy Bypass -file ${_VCPKG_TOOLCHAIN_DIR}/msbuild/applocal.ps1
-                        -targetBinary $<TARGET_FILE:${name}>
-                        -installedDir "${_VCPKG_INSTALLED_DIR}/${VCPKG_TARGET_TRIPLET}$<$<CONFIG:Debug>:/debug>/bin"
-                        -OutVariable out
-                )
-            endif()
-            set_target_properties(${name} PROPERTIES VS_USER_PROPS do_not_import_user.props)
-            set_target_properties(${name} PROPERTIES VS_GLOBAL_VcpkgEnabled false)
-        endif()
-    endfunction()
-
-    function(add_library name)
-        _add_library(${ARGV})
-        list(FIND ARGV "IMPORTED" IMPORTED_IDX)
-        list(FIND ARGV "INTERFACE" INTERFACE_IDX)
-        list(FIND ARGV "ALIAS" ALIAS_IDX)
-        if(IMPORTED_IDX EQUAL -1 AND INTERFACE_IDX EQUAL -1 AND ALIAS_IDX EQUAL -1)
-            set_target_properties(${name} PROPERTIES VS_USER_PROPS do_not_import_user.props)
-            set_target_properties(${name} PROPERTIES VS_GLOBAL_VcpkgEnabled false)
-        endif()
-    endfunction()
+set(CMAKE_PROGRAM_PATH ${CMAKE_PROGRAM_PATH} ${_VCPKG_INSTALLED_DIR}/${VCPKG_TARGET_TRIPLET}/tools)
+file(GLOB _VCPKG_TOOLS_DIRS ${_VCPKG_INSTALLED_DIR}/${VCPKG_TARGET_TRIPLET}/tools/*)
+foreach(_VCPKG_TOOLS_DIR ${_VCPKG_TOOLS_DIRS})
+    if(IS_DIRECTORY ${_VCPKG_TOOLS_DIR})
+        set(CMAKE_PROGRAM_PATH ${CMAKE_PROGRAM_PATH} ${_VCPKG_TOOLS_DIR})
+    endif()
+endforeach()
 
-    macro(find_package name)
-        if(name STREQUAL "Boost")
-            unset(Boost_USE_STATIC_LIBS)
+option(VCPKG_APPLOCAL_DEPS "Automatically copy dependencies into the output directory for executables." ON)
+function(add_executable name)
+    _add_executable(${ARGV})
+    list(FIND ARGV "IMPORTED" IMPORTED_IDX)
+    list(FIND ARGV "ALIAS" ALIAS_IDX)
+    if(IMPORTED_IDX EQUAL -1 AND ALIAS_IDX EQUAL -1)
+        if(VCPKG_APPLOCAL_DEPS)
+            add_custom_command(TARGET ${name} POST_BUILD
+                COMMAND powershell -noprofile -executionpolicy Bypass -file ${_VCPKG_TOOLCHAIN_DIR}/msbuild/applocal.ps1
+                    -targetBinary $<TARGET_FILE:${name}>
+                    -installedDir "${_VCPKG_INSTALLED_DIR}/${VCPKG_TARGET_TRIPLET}$<$<CONFIG:Debug>:/debug>/bin"
+                    -OutVariable out
+            )
         endif()
-        _find_package(${ARGV})
-    endmacro()
+        set_target_properties(${name} PROPERTIES VS_USER_PROPS do_not_import_user.props)
+        set_target_properties(${name} PROPERTIES VS_GLOBAL_VcpkgEnabled false)
+    endif()
+endfunction()
 
-    set(VCPKG_TOOLCHAIN ON)
-endif()
+function(add_library name)
+    _add_library(${ARGV})
+    list(FIND ARGV "IMPORTED" IMPORTED_IDX)
+    list(FIND ARGV "INTERFACE" INTERFACE_IDX)
+    list(FIND ARGV "ALIAS" ALIAS_IDX)
+    if(IMPORTED_IDX EQUAL -1 AND INTERFACE_IDX EQUAL -1 AND ALIAS_IDX EQUAL -1)
+        set_target_properties(${name} PROPERTIES VS_USER_PROPS do_not_import_user.props)
+        set_target_properties(${name} PROPERTIES VS_GLOBAL_VcpkgEnabled false)
+    endif()
+endfunction()
+
+macro(find_package name)
+    if(name STREQUAL "Boost")
+        unset(Boost_USE_STATIC_LIBS)
+    endif()
+    _find_package(${ARGV})
+endmacro()
 
-set(_UNUSED ${CMAKE_TOOLCHAIN_FILE})
+set(VCPKG_TOOLCHAIN ON)
 set(_UNUSED ${CMAKE_ERROR_ON_ABSOLUTE_INSTALL_DESTINATION})
 set(_UNUSED ${CMAKE_EXPORT_NO_PACKAGE_REGISTRY})
 set(_UNUSED ${CMAKE_FIND_PACKAGE_NO_PACKAGE_REGISTRY})
 set(_UNUSED ${CMAKE_FIND_PACKAGE_NO_SYSTEM_PACKAGE_REGISTRY})
 set(_UNUSED ${CMAKE_INSTALL_SYSTEM_RUNTIME_LIBS_SKIP})
+
+if(NOT _CMAKE_IN_TRY_COMPILE)
+    file(TO_CMAKE_PATH "${VCPKG_CHAINLOAD_TOOLCHAIN_FILE}" _chainload_file)
+    file(WRITE "${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/vcpkg.config.cmake"
+        "set(VCPKG_TARGET_TRIPLET \"${VCPKG_TARGET_TRIPLET}\" CACHE STRING \"\")\n"
+        "set(VCPKG_APPLOCAL_DEPS \"${VCPKG_APPLOCAL_DEPS}\" CACHE STRING \"\")\n"
+        "set(VCPKG_CHAINLOAD_TOOLCHAIN_FILE \"${_chainload_file}\" CACHE STRING \"\")\n")
+endif()
\ No newline at end of file
diff --git a/scripts/cmake/vcpkg_configure_cmake.cmake b/scripts/cmake/vcpkg_configure_cmake.cmake
index bfb6a19fd..b979245aa 100644
--- a/scripts/cmake/vcpkg_configure_cmake.cmake
+++ b/scripts/cmake/vcpkg_configure_cmake.cmake
@@ -61,37 +61,39 @@ function(vcpkg_configure_cmake)
         set(GENERATOR ${_csc_GENERATOR})
     elseif(_csc_PREFER_NINJA AND NOT VCPKG_CMAKE_SYSTEM_NAME STREQUAL "WindowsStore" AND NOT _csc_HOST_ARCHITECTURE STREQUAL "x86")
         set(GENERATOR "Ninja")
-    elseif(VCPKG_CMAKE_SYSTEM_NAME STREQUAL "WindowsStore" AND TRIPLET_SYSTEM_ARCH MATCHES "x86" AND VCPKG_PLATFORM_TOOLSET MATCHES "v140")
+    elseif(VCPKG_CMAKE_SYSTEM_NAME STREQUAL "WindowsStore" AND VCPKG_TARGET_ARCHITECTURE MATCHES "x86" AND VCPKG_PLATFORM_TOOLSET MATCHES "v140")
         set(GENERATOR "Visual Studio 14 2015")
-    elseif(VCPKG_CMAKE_SYSTEM_NAME STREQUAL "WindowsStore" AND TRIPLET_SYSTEM_ARCH MATCHES "x64" AND VCPKG_PLATFORM_TOOLSET MATCHES "v140")
+    elseif(VCPKG_CMAKE_SYSTEM_NAME STREQUAL "WindowsStore" AND VCPKG_TARGET_ARCHITECTURE MATCHES "x64" AND VCPKG_PLATFORM_TOOLSET MATCHES "v140")
         set(GENERATOR "Visual Studio 14 2015 Win64")
-    elseif(VCPKG_CMAKE_SYSTEM_NAME STREQUAL "WindowsStore" AND TRIPLET_SYSTEM_ARCH MATCHES "arm" AND VCPKG_PLATFORM_TOOLSET MATCHES "v140")
+    elseif(VCPKG_CMAKE_SYSTEM_NAME STREQUAL "WindowsStore" AND VCPKG_TARGET_ARCHITECTURE MATCHES "arm" AND VCPKG_PLATFORM_TOOLSET MATCHES "v140")
         set(GENERATOR "Visual Studio 14 2015 ARM")
-    elseif(TRIPLET_SYSTEM_ARCH MATCHES "x86" AND VCPKG_PLATFORM_TOOLSET MATCHES "v140")
+    elseif(VCPKG_TARGET_ARCHITECTURE MATCHES "x86" AND VCPKG_PLATFORM_TOOLSET MATCHES "v140")
         set(GENERATOR "Visual Studio 14 2015")
-    elseif(TRIPLET_SYSTEM_ARCH MATCHES "x64" AND VCPKG_PLATFORM_TOOLSET MATCHES "v140")
+    elseif(VCPKG_TARGET_ARCHITECTURE MATCHES "x64" AND VCPKG_PLATFORM_TOOLSET MATCHES "v140")
         set(GENERATOR "Visual Studio 14 2015 Win64")
-    elseif(TRIPLET_SYSTEM_ARCH MATCHES "arm" AND VCPKG_PLATFORM_TOOLSET MATCHES "v140")
+    elseif(VCPKG_TARGET_ARCHITECTURE MATCHES "arm" AND VCPKG_PLATFORM_TOOLSET MATCHES "v140")
         set(GENERATOR "Visual Studio 14 2015 ARM")
 
-    elseif(VCPKG_CMAKE_SYSTEM_NAME STREQUAL "WindowsStore" AND TRIPLET_SYSTEM_ARCH MATCHES "x86" AND VCPKG_PLATFORM_TOOLSET MATCHES "v141")
+    elseif(VCPKG_CMAKE_SYSTEM_NAME STREQUAL "WindowsStore" AND VCPKG_TARGET_ARCHITECTURE MATCHES "x86" AND VCPKG_PLATFORM_TOOLSET MATCHES "v141")
         set(GENERATOR "Visual Studio 15 2017")
-    elseif(VCPKG_CMAKE_SYSTEM_NAME STREQUAL "WindowsStore" AND TRIPLET_SYSTEM_ARCH MATCHES "x64" AND VCPKG_PLATFORM_TOOLSET MATCHES "v141")
+    elseif(VCPKG_CMAKE_SYSTEM_NAME STREQUAL "WindowsStore" AND VCPKG_TARGET_ARCHITECTURE MATCHES "x64" AND VCPKG_PLATFORM_TOOLSET MATCHES "v141")
         set(GENERATOR "Visual Studio 15 2017 Win64")
-    elseif(VCPKG_CMAKE_SYSTEM_NAME STREQUAL "WindowsStore" AND TRIPLET_SYSTEM_ARCH STREQUAL "arm" AND VCPKG_PLATFORM_TOOLSET MATCHES "v141")
+    elseif(VCPKG_CMAKE_SYSTEM_NAME STREQUAL "WindowsStore" AND VCPKG_TARGET_ARCHITECTURE STREQUAL "arm" AND VCPKG_PLATFORM_TOOLSET MATCHES "v141")
         set(GENERATOR "Visual Studio 15 2017 ARM")
-    elseif(VCPKG_CMAKE_SYSTEM_NAME STREQUAL "WindowsStore" AND TRIPLET_SYSTEM_ARCH STREQUAL "arm64" AND VCPKG_PLATFORM_TOOLSET MATCHES "v141")
+    elseif(VCPKG_CMAKE_SYSTEM_NAME STREQUAL "WindowsStore" AND VCPKG_TARGET_ARCHITECTURE STREQUAL "arm64" AND VCPKG_PLATFORM_TOOLSET MATCHES "v141")
         set(GENERATOR "Visual Studio 15 2017")    
         set(ARCH "ARM64")
-    elseif(TRIPLET_SYSTEM_ARCH MATCHES "x86" AND VCPKG_PLATFORM_TOOLSET MATCHES "v141")
+    elseif(VCPKG_TARGET_ARCHITECTURE MATCHES "x86" AND VCPKG_PLATFORM_TOOLSET MATCHES "v141")
         set(GENERATOR "Visual Studio 15 2017")
-    elseif(TRIPLET_SYSTEM_ARCH MATCHES "x64" AND VCPKG_PLATFORM_TOOLSET MATCHES "v141")
+    elseif(VCPKG_TARGET_ARCHITECTURE MATCHES "x64" AND VCPKG_PLATFORM_TOOLSET MATCHES "v141")
         set(GENERATOR "Visual Studio 15 2017 Win64")
-    elseif(TRIPLET_SYSTEM_ARCH STREQUAL "arm" AND VCPKG_PLATFORM_TOOLSET MATCHES "v141")
+    elseif(VCPKG_TARGET_ARCHITECTURE STREQUAL "arm" AND VCPKG_PLATFORM_TOOLSET MATCHES "v141")
         set(GENERATOR "Visual Studio 15 2017 ARM")
-    elseif(TRIPLET_SYSTEM_ARCH STREQUAL "arm64" AND VCPKG_PLATFORM_TOOLSET MATCHES "v141")
+    elseif(VCPKG_TARGET_ARCHITECTURE STREQUAL "arm64" AND VCPKG_PLATFORM_TOOLSET MATCHES "v141")
         set(GENERATOR "Visual Studio 15 2017")
         set(ARCH "ARM64")
+    else()
+        message(FATAL_ERROR "Unable to determine appropriate generator for: ${VCPKG_CMAKE_SYSTEM_NAME}-${VCPKG_TARGET_ARCHITECTURE}-${VCPKG_PLATFORM_TOOLSET}")
     endif()
     
     # If we use Ninja, make sure it's on PATH
@@ -104,15 +106,18 @@ function(vcpkg_configure_cmake)
     file(REMOVE_RECURSE ${CURRENT_BUILDTREES_DIR}/${TARGET_TRIPLET}-rel ${CURRENT_BUILDTREES_DIR}/${TARGET_TRIPLET}-dbg)
 
     if(DEFINED VCPKG_CMAKE_SYSTEM_NAME)
-        list(APPEND _csc_OPTIONS -DCMAKE_SYSTEM_NAME=${VCPKG_CMAKE_SYSTEM_NAME})
+        list(APPEND _csc_OPTIONS "-DCMAKE_SYSTEM_NAME=${VCPKG_CMAKE_SYSTEM_NAME}")
     endif()
     if(DEFINED VCPKG_CMAKE_SYSTEM_VERSION)
-        list(APPEND _csc_OPTIONS -DCMAKE_SYSTEM_VERSION=${VCPKG_CMAKE_SYSTEM_VERSION})
+        list(APPEND _csc_OPTIONS "-DCMAKE_SYSTEM_VERSION=${VCPKG_CMAKE_SYSTEM_VERSION}")
     endif()
-    if(DEFINED VCPKG_LIBRARY_LINKAGE AND VCPKG_LIBRARY_LINKAGE STREQUAL dynamic)
+
+    if(VCPKG_LIBRARY_LINKAGE STREQUAL "dynamic")
         list(APPEND _csc_OPTIONS -DBUILD_SHARED_LIBS=ON)
-    elseif(DEFINED VCPKG_LIBRARY_LINKAGE AND VCPKG_LIBRARY_LINKAGE STREQUAL static)
+    elseif(VCPKG_LIBRARY_LINKAGE STREQUAL "static")
         list(APPEND _csc_OPTIONS -DBUILD_SHARED_LIBS=OFF)
+    else()
+        message(FATAL_ERROR "Invalid setting for VCPKG_LIBRARY_LINKAGE: \"${VCPKG_LIBRARY_LINKAGE}\". It must be \"static\" or \"dynamic\"")
     endif()
 
     if((NOT DEFINED VCPKG_CXX_FLAGS_DEBUG AND NOT DEFINED VCPKG_C_FLAGS_DEBUG) OR
@@ -131,10 +136,45 @@ function(vcpkg_configure_cmake)
         message(FATAL_ERROR "You must set both the VCPKG_CXX_FLAGS and VCPKG_C_FLAGS")
     endif()
 
+    if(VCPKG_CHAINLOAD_TOOLCHAIN_FILE)
+        list(APPEND _csc_OPTIONS "-DVCPKG_CHAINLOAD_TOOLCHAIN_FILE=${VCPKG_CHAINLOAD_TOOLCHAIN_FILE}")
+    else()
+        set(VCPKG_CXX_FLAGS " /DWIN32 /D_WINDOWS /W3 /utf-8 /GR /EHsc /MP ${VCPKG_CXX_FLAGS}")
+        set(VCPKG_C_FLAGS " /DWIN32 /D_WINDOWS /W3 /utf-8 /MP ${VCPKG_C_FLAGS}")
+        if(VCPKG_CRT_LINKAGE STREQUAL "dynamic")
+            list(APPEND _csc_OPTIONS_DEBUG
+                "-DCMAKE_CXX_FLAGS_DEBUG=/D_DEBUG /MDd /Z7 /Ob0 /Od /RTC1 ${VCPKG_CXX_FLAGS_DEBUG}"
+                "-DCMAKE_C_FLAGS_DEBUG=/D_DEBUG /MDd /Z7 /Ob0 /Od /RTC1 ${VCPKG_C_FLAGS_DEBUG}"
+            )
+            list(APPEND _csc_OPTIONS_RELEASE
+                "-DCMAKE_CXX_FLAGS_RELEASE=/MD /O2 /Oi /Gy /DNDEBUG /Z7 ${VCPKG_CXX_FLAGS_RELEASE}"
+                "-DCMAKE_C_FLAGS_RELEASE=/MD /O2 /Oi /Gy /DNDEBUG /Z7 ${VCPKG_C_FLAGS_RELEASE}"
+            )
+        elseif(VCPKG_CRT_LINKAGE STREQUAL "static")
+            list(APPEND _csc_OPTIONS_DEBUG
+                "-DCMAKE_CXX_FLAGS_DEBUG=/D_DEBUG /MTd /Z7 /Ob0 /Od /RTC1 ${VCPKG_CXX_FLAGS_DEBUG}"
+                "-DCMAKE_C_FLAGS_DEBUG=/D_DEBUG /MTd /Z7 /Ob0 /Od /RTC1 ${VCPKG_C_FLAGS_DEBUG}"
+            )
+            list(APPEND _csc_OPTIONS_RELEASE
+                "-DCMAKE_CXX_FLAGS_RELEASE=/MT /O2 /Oi /Gy /DNDEBUG /Z7 ${VCPKG_CXX_FLAGS_RELEASE}"
+                "-DCMAKE_C_FLAGS_RELEASE=/MT /O2 /Oi /Gy /DNDEBUG /Z7 ${VCPKG_C_FLAGS_RELEASE}"
+            )
+        else()
+            message(FATAL_ERROR "Invalid setting for VCPKG_CRT_LINKAGE: \"${VCPKG_CRT_LINKAGE}\". It must be \"static\" or \"dynamic\"")
+        endif()
+
+        list(APPEND _csc_OPTIONS_RELEASE
+            "-DCMAKE_SHARED_LINKER_FLAGS_RELEASE=/DEBUG /INCREMENTAL:NO /OPT:REF /OPT:ICF ${VCPKG_LINKER_FLAGS}"
+            "-DCMAKE_EXE_LINKER_FLAGS_RELEASE=/DEBUG /INCREMENTAL:NO /OPT:REF /OPT:ICF ${VCPKG_LINKER_FLAGS}"
+        )
+        list(APPEND _csc_OPTIONS
+            "-DCMAKE_CXX_FLAGS=${VCPKG_CXX_FLAGS}"
+            "-DCMAKE_C_FLAGS=${VCPKG_C_FLAGS}"
+        )
+    endif()
+
     list(APPEND _csc_OPTIONS
         "-DVCPKG_TARGET_TRIPLET=${TARGET_TRIPLET}"
-        "-DCMAKE_CXX_FLAGS= /DWIN32 /D_WINDOWS /W3 /utf-8 /GR /EHsc /MP ${VCPKG_CXX_FLAGS}"
-        "-DCMAKE_C_FLAGS= /DWIN32 /D_WINDOWS /W3 /utf-8 /MP ${VCPKG_C_FLAGS}"
         "-DCMAKE_EXPORT_NO_PACKAGE_REGISTRY=ON"
         "-DCMAKE_FIND_PACKAGE_NO_PACKAGE_REGISTRY=ON"
         "-DCMAKE_FIND_PACKAGE_NO_SYSTEM_PACKAGE_REGISTRY=ON"
@@ -151,32 +191,6 @@ function(vcpkg_configure_cmake)
         )
     endif()
 
-    if(DEFINED VCPKG_CRT_LINKAGE AND VCPKG_CRT_LINKAGE STREQUAL dynamic)
-        list(APPEND _csc_OPTIONS_DEBUG
-            "-DCMAKE_CXX_FLAGS_DEBUG=/D_DEBUG /MDd /Z7 /Ob0 /Od /RTC1 ${VCPKG_CXX_FLAGS_DEBUG}"
-            "-DCMAKE_C_FLAGS_DEBUG=/D_DEBUG /MDd /Z7 /Ob0 /Od /RTC1 ${VCPKG_C_FLAGS_DEBUG}"
-        )
-        list(APPEND _csc_OPTIONS_RELEASE
-            "-DCMAKE_CXX_FLAGS_RELEASE=/MD /O2 /Oi /Gy /DNDEBUG /Z7 ${VCPKG_CXX_FLAGS_RELEASE}"
-            "-DCMAKE_C_FLAGS_RELEASE=/MD /O2 /Oi /Gy /DNDEBUG /Z7 ${VCPKG_C_FLAGS_RELEASE}"
-        )
-
-    elseif(DEFINED VCPKG_CRT_LINKAGE AND VCPKG_CRT_LINKAGE STREQUAL static)
-        list(APPEND _csc_OPTIONS_DEBUG
-            "-DCMAKE_CXX_FLAGS_DEBUG=/D_DEBUG /MTd /Z7 /Ob0 /Od /RTC1 ${VCPKG_CXX_FLAGS_DEBUG}"
-            "-DCMAKE_C_FLAGS_DEBUG=/D_DEBUG /MTd /Z7 /Ob0 /Od /RTC1 ${VCPKG_C_FLAGS_DEBUG}"
-        )
-        list(APPEND _csc_OPTIONS_RELEASE
-            "-DCMAKE_CXX_FLAGS_RELEASE=/MT /O2 /Oi /Gy /DNDEBUG /Z7 ${VCPKG_CXX_FLAGS_RELEASE}"
-            "-DCMAKE_C_FLAGS_RELEASE=/MT /O2 /Oi /Gy /DNDEBUG /Z7 ${VCPKG_C_FLAGS_RELEASE}"
-        )
-    endif()
-
-    list(APPEND _csc_OPTIONS_RELEASE
-        "-DCMAKE_SHARED_LINKER_FLAGS_RELEASE=/DEBUG /INCREMENTAL:NO /OPT:REF /OPT:ICF ${VCPKG_LINKER_FLAGS}"
-        "-DCMAKE_EXE_LINKER_FLAGS_RELEASE=/DEBUG /INCREMENTAL:NO /OPT:REF /OPT:ICF ${VCPKG_LINKER_FLAGS}"
-    )
-
     message(STATUS "Configuring ${TARGET_TRIPLET}-rel")
     file(MAKE_DIRECTORY ${CURRENT_BUILDTREES_DIR}/${TARGET_TRIPLET}-rel)
     vcpkg_execute_required_process(