2 files changed, 13 insertions, 3 deletions
diff --git a/ports/boost-thread/portfile.cmake b/ports/boost-thread/portfile.cmake
index 17c620ec4..f16abdf67 100644
--- a/ports/boost-thread/portfile.cmake
+++ b/ports/boost-thread/portfile.cmake
@@ -8,7 +8,10 @@ vcpkg_from_github(
     HEAD_REF master
 )
 
-include(${CURRENT_INSTALLED_DIR}/share/boost-build/boost-modular-build.cmake)
+if(NOT DEFINED CURRENT_HOST_INSTALLED_DIR)
+    message(FATAL_ERROR "boost-thread requires a newer version of vcpkg in order to build.")
+endif()
+include(${CURRENT_HOST_INSTALLED_DIR}/share/boost-build/boost-modular-build.cmake)
 boost_modular_build(
     SOURCE_PATH ${SOURCE_PATH}
     BOOST_CMAKE_FRAGMENT "${CMAKE_CURRENT_LIST_DIR}/b2-options.cmake"
diff --git a/ports/boost-thread/vcpkg.json b/ports/boost-thread/vcpkg.json
index 5cc1d3b32..be64e494b 100644
--- a/ports/boost-thread/vcpkg.json
+++ b/ports/boost-thread/vcpkg.json
@@ -1,6 +1,7 @@
 {
   "name": "boost-thread",
   "version-string": "1.75.0",
+  "port-version": 1,
   "description": "Boost thread module",
   "homepage": "https://github.com/boostorg/thread",
   "dependencies": [
@@ -8,7 +9,10 @@
     "boost-assert",
     "boost-atomic",
     "boost-bind",
-    "boost-build",
+    {
+      "name": "boost-build",
+      "host": true
+    },
     "boost-chrono",
     "boost-concept-check",
     "boost-config",
@@ -24,7 +28,10 @@
     "boost-io",
     "boost-lexical-cast",
     "boost-math",
-    "boost-modular-build-helper",
+    {
+      "name": "boost-modular-build-helper",
+      "host": true
+    },
     "boost-move",
     "boost-optional",
     "boost-predef",