3nids · Nov 3, 2026 · Nov 4, 2026 · Nov 4, 2026 · Nov 4, 2026 · Nov 4, 2026
diff --git a/ports/py-annotated-types/vcpkg.json b/ports/py-annotated-types/vcpkg.json
@@ -1,6 +1,7 @@
 {
   "name": "py-annotated-types",
   "version": "0.8.0",
+  "port-version": 1,
   "description": "Reusable constraints for Python types, using PEP 593 Annotated",
   "homepage": "https://github.com/pydantic/annotated-types",
   "license": null,
@@ -13,6 +14,7 @@
       "name": "py-setuptools",
       "host": true
     },
+    "python3",
     {
       "name": "vcpkg-python-scripts",
       "host": true

diff --git a/ports/py-certifi/vcpkg.json b/ports/py-certifi/vcpkg.json
@@ -1,6 +1,7 @@
 {
   "name": "py-certifi",
   "version-date": "2026-10-23",
+  "port-version": 1,
   "description": "A carefully curated collection of Root Certificates for validating the trustworthiness of SSL certificates while verifying the identity of TLS hosts.",
   "homepage": "https://github.com/certifi/python-certifi",
   "license": null,
@@ -10,6 +11,7 @@
       "name": "py-setuptools",
       "host": true
     },
+    "python3",
     {
       "name": "vcpkg-python-scripts",
       "host": true

diff --git a/ports/py-cppy/vcpkg.json b/ports/py-cppy/vcpkg.json
@@ -1,7 +1,7 @@
 {
   "name": "py-cppy",
   "version": "1.2.1",
-  "port-version": 1,
+  "port-version": 2,
   "description": "A collection of C++ headers which make it easier to write Python C extension modules",
   "homepage": "https://cppy.readthedocs.io/en/latest/",
   "license": "BSD-3-Clause",
@@ -10,6 +10,7 @@
       "name": "py-setuptools",
       "host": true
     },
+    "python3",
     {
       "name": "vcpkg-python-scripts",
       "host": true

diff --git a/ports/py-kiwisolver/vcpkg.json b/ports/py-kiwisolver/vcpkg.json
@@ -1,6 +1,7 @@
 {
   "name": "py-kiwisolver",
   "version": "1.5.1",
+  "port-version": 1,
   "description": "Efficient C++ implementation of the Cassowary constraint solving algorithm",
   "homepage": "https://kiwisolver.readthedocs.io/en/latest/",
   "license": null,
@@ -10,6 +11,7 @@
       "name": "py-setuptools",
       "host": true
     },
+    "python3",
     {
       "name": "vcpkg-python-scripts",
       "host": true

diff --git a/ports/py-packaging/vcpkg.json b/ports/py-packaging/vcpkg.json
@@ -1,10 +1,12 @@
 {
   "name": "py-packaging",
   "version": "26.3",
+  "port-version": 1,
   "description": "Core utilities for Python packages",
   "homepage": "https://packaging.pypa.io/",
   "license": "MIT",
   "dependencies": [
+    "python3",
     {
       "name": "vcpkg-python-scripts",
       "host": true

diff --git a/ports/py-pillow/vcpkg.json b/ports/py-pillow/vcpkg.json
@@ -1,6 +1,7 @@
 {
   "name": "py-pillow",
   "version": "13.0.0",
+  "port-version": 1,
   "description": "Python Imaging Library",
   "homepage": "https://python-pillow.org/",
   "license": null,
@@ -28,6 +29,7 @@
       "name": "pybind11",
       "host": true
     },
+    "python3",
     "tiff",
     {
       "name": "vcpkg-python-scripts",

diff --git a/ports/py-pyproject-metadata/vcpkg.json b/ports/py-pyproject-metadata/vcpkg.json
@@ -1,6 +1,7 @@
 {
   "name": "py-pyproject-metadata",
   "version": "0.12.1",
+  "port-version": 1,
   "description": "PEP 621 metadata parsing",
   "homepage": "https://pep621.readthedocs.io/",
   "license": "MIT",
@@ -9,6 +10,7 @@
       "name": "py-setuptools",
       "host": true
     },
+    "python3",
     {
       "name": "vcpkg-python-scripts",
       "host": true

diff --git a/ports/py-pyqt6-webengine/portfile.cmake b/ports/py-pyqt6-webengine/portfile.cmake
@@ -12,8 +12,9 @@ vcpkg_download_distfile(ARCHIVE
 vcpkg_extract_source_archive(SOURCE_PATH ARCHIVE "${ARCHIVE}")
 
 # https://www.riverbankcomputing.com/static/Docs/PyQt6/installation.html
+vcpkg_python_get_qmake(QMAKE)
 set(SIPBUILD_ARGS
-  "--qmake" "${CURRENT_INSTALLED_DIR}/tools/Qt6/bin/qmake${VCPKG_HOST_EXECUTABLE_SUFFIX}"
+  "--qmake" "${QMAKE}"
   "--api-dir" "${CURRENT_PACKAGES_DIR}/share/Qt6/qsci/api/python"
   "--verbose"
   "--no-make"

diff --git a/ports/py-pyqt6-webengine/vcpkg.json b/ports/py-pyqt6-webengine/vcpkg.json
@@ -1,6 +1,7 @@
 {
   "name": "py-pyqt6-webengine",
   "version": "6.11.0",
+  "port-version": 1,
   "description": "Python bindings for the Qt WebEngine framework",
   "homepage": "https://www.riverbankcomputing.com/software/pyqtwebengine/",
   "license": "GPL-3.0-only",

diff --git a/ports/py-pyqt6/portfile.cmake b/ports/py-pyqt6/portfile.cmake
@@ -10,9 +10,10 @@ vcpkg_from_pythonhosted(
 )
 
 # https://www.riverbankcomputing.com/static/Docs/PyQt6/installation.html
+vcpkg_python_get_qmake(QMAKE)
 set(SIPBUILD_ARGS
   "--confirm-license"
-  "--qmake" "${CURRENT_INSTALLED_DIR}/tools/Qt6/bin/qmake${VCPKG_HOST_EXECUTABLE_SUFFIX}"
+  "--qmake" "${QMAKE}"
   "--api-dir" "${CURRENT_PACKAGES_DIR}/share/Qt6/qsci/api/python"
   "--verbose"
   "--qt-shared"

diff --git a/ports/py-pyqt6/vcpkg.json b/ports/py-pyqt6/vcpkg.json
@@ -1,6 +1,7 @@
 {
   "name": "py-pyqt6",
   "version": "6.12.0",
+  "port-version": 1,
   "description": "Python bindings for the Qt cross platform application toolkit",
   "homepage": "https://www.riverbankcomputing.com/software/pyqt/",
   "dependencies": [

diff --git a/ports/py-qscintilla/portfile.cmake b/ports/py-qscintilla/portfile.cmake
@@ -15,8 +15,9 @@ vcpkg_extract_source_archive(
 
 file(RENAME "${SOURCE_PATH}/Python/pyproject-qt5.toml" "${SOURCE_PATH}/Python/pyproject.toml")
 
+vcpkg_python_get_qmake(QMAKE)
 set(SIPBUILD_ARGS
-    "--qmake" "${CURRENT_INSTALLED_DIR}/tools/Qt6/bin/qmake${VCPKG_HOST_EXECUTABLE_SUFFIX}"
+    "--qmake" "${QMAKE}"
     "--api-dir" "${CURRENT_PACKAGES_DIR}/share/Qt6/qsci/api/python"
     "--qsci-features-dir" "${SOURCE_PATH}/src/features"
     "--qsci-include-dir" "${CURRENT_INSTALLED_DIR}/${PYTHON3_SITE}/PyQt6/bindings"

diff --git a/ports/py-qscintilla/vcpkg.json b/ports/py-qscintilla/vcpkg.json
@@ -1,7 +1,7 @@
 {
   "name": "py-qscintilla",
   "version": "2.14.1",
-  "port-version": 2,
+  "port-version": 3,
   "description": "Python bindings for QScintilla, which is a port to Qt of the Scintilla editing component. Features syntax highlighting, code-completion and much more (Barebone build without python bindings (missing dependeny PyQt) and without QtDesigner plugin)",
   "homepage": "https://www.riverbankcomputing.com/software/qscintilla",
   "license": "GPL-3.0-or-later",

diff --git a/ports/py-scikit-build-core/vcpkg.json b/ports/py-scikit-build-core/vcpkg.json
@@ -1,6 +1,7 @@
 {
   "name": "py-scikit-build-core",
   "version": "1.1.2",
+  "port-version": 1,
   "description": "A next generation Python CMake adaptor and Python API for plugins",
   "homepage": "https://scikit-build-core.readthedocs.io/",
   "license": "Apache-2.0",
@@ -21,6 +22,7 @@
       "name": "py-setuptools-scm",
       "host": true
     },
+    "python3",
     {
       "name": "vcpkg-python-scripts",
       "host": true

diff --git a/ports/py-semantic-version/vcpkg.json b/ports/py-semantic-version/vcpkg.json
@@ -1,7 +1,7 @@
 {
   "name": "py-semantic-version",
   "version": "2.10.0",
-  "port-version": 1,
+  "port-version": 2,
   "description": "About Semantic version comparison for Python (see http://semver.org/)",
   "homepage": "https://python-markdown.github.io/",
   "license": "BSD-2-Clause",
@@ -10,6 +10,7 @@
       "name": "py-setuptools",
       "host": true
     },
+    "python3",
     {
       "name": "vcpkg-python-scripts",
       "host": true

diff --git a/ports/py-setuptools-scm/vcpkg.json b/ports/py-setuptools-scm/vcpkg.json
@@ -1,7 +1,7 @@
 {
   "name": "py-setuptools-scm",
   "version": "9.2.2",
-  "port-version": 3,
+  "port-version": 4,
   "description": "the blessed package to manage your versions by scm tags",
   "homepage": "https://github.com/pypa/setuptools_scm",
   "license": "MIT",
@@ -14,6 +14,7 @@
       "name": "py-setuptools",
       "host": true
     },
+    "python3",
     {
       "name": "vcpkg-get-python-packages",
       "host": true

diff --git a/ports/py-sip/vcpkg.json b/ports/py-sip/vcpkg.json
@@ -1,13 +1,15 @@
 {
   "name": "py-sip",
   "version": "6.17.2",
+  "port-version": 1,
   "description": "A tool that makes it easy to create Python bindings for C and C++ libraries",
   "homepage": "https://www.riverbankcomputing.com/software/sip",
   "dependencies": [
     {
       "name": "py-setuptools",
       "host": true
     },
+    "python3",
     {
       "name": "vcpkg-python-scripts",
       "host": true

diff --git a/ports/py-six/vcpkg.json b/ports/py-six/vcpkg.json
@@ -1,7 +1,7 @@
 {
   "name": "py-six",
   "version": "1.17.0",
-  "port-version": 1,
+  "port-version": 2,
   "description": "Python 2 and 3 compatibility library ",
   "homepage": "https://github.com/benjaminp/six",
   "license": null,
@@ -10,6 +10,7 @@
       "name": "py-setuptools",
       "host": true
     },
+    "python3",
     {
       "name": "vcpkg-python-scripts",
       "host": true

diff --git a/ports/py-tomli/vcpkg.json b/ports/py-tomli/vcpkg.json
@@ -1,11 +1,12 @@
 {
   "name": "py-tomli",
   "version": "2.0.1",
-  "port-version": 2,
+  "port-version": 3,
   "description": "A simple, correct Python build frontend ",
   "homepage": "https://github.com/hukkin/tomli",
   "license": "MIT",
   "dependencies": [
+    "python3",
     {
       "name": "vcpkg-python-scripts",
       "host": true

diff --git a/ports/py-typing-extensions/vcpkg.json b/ports/py-typing-extensions/vcpkg.json
@@ -1,6 +1,7 @@
 {
   "name": "py-typing-extensions",
   "version": "4.16.0",
+  "port-version": 1,
   "description": "Backported and experimental type hints for Python",
   "homepage": "https://github.com/python/typing_extensions",
   "license": null,
@@ -9,6 +10,7 @@
       "name": "py-setuptools",
       "host": true
     },
+    "python3",
     {
       "name": "vcpkg-python-scripts",
       "host": true

diff --git a/ports/py-typing-inspection/vcpkg.json b/ports/py-typing-inspection/vcpkg.json
@@ -1,6 +1,7 @@
 {
   "name": "py-typing-inspection",
   "version": "0.4.3",
+  "port-version": 1,
   "description": "Runtime typing introspection tools",
   "homepage": "https://github.com/pydantic/typing-inspection",
   "license": null,
@@ -9,6 +10,7 @@
       "name": "py-setuptools",
       "host": true
     },
+    "python3",
     {
       "name": "vcpkg-python-scripts",
       "host": true

diff --git a/ports/py-wheel/vcpkg.json b/ports/py-wheel/vcpkg.json
@@ -1,10 +1,12 @@
 {
   "name": "py-wheel",
   "version": "0.48.0",
+  "port-version": 1,
   "description": "The official binary distribution format for Python",
   "homepage": "https://github.com/pypa/wheel",
   "license": "MIT",
   "dependencies": [
+    "python3",
     {
       "name": "vcpkg-python-scripts",
       "host": true

diff --git a/ports/python3/portfile.cmake b/ports/python3/portfile.cmake
@@ -252,6 +252,9 @@ else()
     )
     if(VCPKG_TARGET_IS_OSX)
         list(APPEND OPTIONS "LIBS=-liconv -lintl")
+        # pipe2() is declared by the macOS 27 SDK but missing on older macOS; CPython 3.12 calls it unguarded,
+        # so os.pipe() (and subprocess) crashes with a NULL call when built with a newer SDK than the running OS.
+        list(APPEND OPTIONS "ac_cv_func_pipe2=no")
     endif()
 
     if("readline" IN_LIST FEATURES)
@@ -276,7 +279,15 @@ else()
 
     # The version of the build Python must match the version of the cross compiled host Python.
     # https://docs.python.org/3/using/configure.html#cross-compiling-options
-    if(VCPKG_CROSSCOMPILING)
+    if(VCPKG_CROSSCOMPILING AND VCPKG_TARGET_IS_OSX AND CMAKE_HOST_APPLE)
+        # macOS arm64 <-> x86_64: CPython's configure rejects "--host=x86_64-apple-darwin --build=aarch64-apple-darwin"
+        # ("cross build not supported"), but the target binaries run natively (Rosetta), so configure as a native build.
+        if(VCPKG_TARGET_ARCHITECTURE STREQUAL "x64")
+            set(VCPKG_MAKE_BUILD_TRIPLET "--host=x86_64-apple-darwin" "--build=x86_64-apple-darwin")
+        elseif(VCPKG_TARGET_ARCHITECTURE STREQUAL "arm64")
+            set(VCPKG_MAKE_BUILD_TRIPLET "--host=aarch64-apple-darwin" "--build=aarch64-apple-darwin")
+        endif()
+    elseif(VCPKG_CROSSCOMPILING)
         set(_python_for_build "${CURRENT_HOST_INSTALLED_DIR}/tools/python3/python${PYTHON_VERSION_MAJOR}.${PYTHON_VERSION_MINOR}")
         list(APPEND OPTIONS "--with-build-python=${_python_for_build}")
     endif()

diff --git a/ports/python3/vcpkg.json b/ports/python3/vcpkg.json
@@ -1,7 +1,7 @@
 {
   "name": "python3",
   "version": "3.12.11",
-  "port-version": 2,
+  "port-version": 3,
   "description": "The Python programming language",
   "homepage": "https://github.com/python/cpython",
   "license": "Python-2.0",

diff --git a/ports/vcpkg-python-scripts/vcpkg-port-config.cmake b/ports/vcpkg-python-scripts/vcpkg-port-config.cmake
@@ -6,4 +6,11 @@ set(PYTHON3_BASEDIR "${CURRENT_INSTALLED_DIR}/tools/python3")
 find_program(PYTHON3 NAMES python${PYTHON3_VERSION_MAJOR}.${PYTHON3_VERSION_MINOR} python${PYTHON3_VERSION_MAJOR} python PATHS "${PYTHON3_BASEDIR}" NO_DEFAULT_PATH)
 set(PYTHON3_SITEPACKAGES "${CURRENT_PACKAGES_DIR}/${PYTHON3_SITE}")
 
+if(VCPKG_CROSSCOMPILING AND NOT CURRENT_HOST_INSTALLED_DIR STREQUAL CURRENT_INSTALLED_DIR)
+    # The build tools (gpep517, installer, setuptools, wheel, ...) are host dependencies, but PYTHON3 is the
+    # target interpreter. They are pure Python, so let the target interpreter import them from the host tree.
+    # Only works if the target interpreter can run on the build machine (e.g. x64 under Rosetta).
+    vcpkg_host_path_list(APPEND ENV{PYTHONPATH} "${CURRENT_HOST_INSTALLED_DIR}/${PYTHON3_SITE}")
+endif()
+
 include("${CMAKE_CURRENT_LIST_DIR}/vcpkg_python_functions.cmake")
diff --git a/ports/vcpkg-python-scripts/vcpkg.json b/ports/vcpkg-python-scripts/vcpkg.json
@@ -1,7 +1,7 @@
 {
   "name": "vcpkg-python-scripts",
   "version-date": "2025-05-20",
-  "port-version": 2,
+  "port-version": 3,
   "documentation": "https://vcpkg.io/en/docs/README.html",
   "license": "MIT",
   "supports": "native",

diff --git a/ports/vcpkg-python-scripts/vcpkg_python_functions.cmake b/ports/vcpkg-python-scripts/vcpkg_python_functions.cmake
@@ -44,6 +44,28 @@ function(vcpkg_from_pythonhosted)
   set("${arg_OUT_SOURCE_PATH}" "${SOURCE_PATH}" PARENT_SCOPE)
 endfunction()
 
+# Returns the qmake to pass to sipbuild (--qmake). Normally that is the installed target qmake. When cross-compiling
+# the target qmake is not installed (Qt's qmake/moc/... come from the host tree), so generate a wrapper which runs the
+# host qmake against the target Qt, the same way vcpkg_qmake_configure does (-qtconf).
+function(vcpkg_python_get_qmake out_var)
+  set(target_qmake "${CURRENT_INSTALLED_DIR}/tools/Qt6/bin/qmake${VCPKG_TARGET_EXECUTABLE_SUFFIX}")
+  if(EXISTS "${target_qmake}")
+    set("${out_var}" "${target_qmake}" PARENT_SCOPE)
+    return()
+  endif()
+  set(host_qmake "${CURRENT_HOST_INSTALLED_DIR}/tools/Qt6/bin/qmake${VCPKG_HOST_EXECUTABLE_SUFFIX}")
+  set(qt_conf_template "${CURRENT_INSTALLED_DIR}/tools/Qt6/qt_release.conf")
+  if(NOT VCPKG_CROSSCOMPILING OR NOT EXISTS "${host_qmake}" OR NOT EXISTS "${qt_conf_template}" OR CMAKE_HOST_WIN32)
+    message(FATAL_ERROR "No usable qmake: '${target_qmake}' is missing and a host qmake wrapper cannot be generated.")
+  endif()
+  set(wrapper_dir "${CURRENT_BUILDTREES_DIR}/${TARGET_TRIPLET}-qmake")
+  file(MAKE_DIRECTORY "${wrapper_dir}")
+  configure_file("${qt_conf_template}" "${wrapper_dir}/qt.conf")
+  file(WRITE "${wrapper_dir}/qmake" "#!/bin/sh\nexec \"${host_qmake}\" -qtconf \"${wrapper_dir}/qt.conf\" \"$@\"\n")
+  file(CHMOD "${wrapper_dir}/qmake" PERMISSIONS OWNER_READ OWNER_WRITE OWNER_EXECUTE GROUP_READ GROUP_EXECUTE WORLD_READ WORLD_EXECUTE)
+  set("${out_var}" "${wrapper_dir}/qmake" PARENT_SCOPE)
+endfunction()
+
 function(vcpkg_python_build_wheel)
   cmake_parse_arguments(
     PARSE_ARGV 0