chore(cmake): simplify Python ABI detection for Windows cross-compilation and add status messages

Author: StarHeartHunt

CMakeLists.txt

@@ -8,19 +8,17 @@ set(ARK_FBS_FLATBUFFERS_SOURCE_DIR "" CACHE PATH
 set(CMAKE_CXX_STANDARD 14)
 set(CMAKE_CXX_STANDARD_REQUIRED ON)
 
-# CMake >= 3.30 excludes free-threaded Python (gil_disabled) from FindPython by
-# default. scikit-build-core fails to pass this flag in Windows cross-compile
-# scenarios (e.g. AMD64 host building ARM64 cp314t wheels), so the library is
-# looked up as python314.lib instead of python314t.lib. Detect via SKBUILD_SOABI
-# (set by scikit-build-core before CMake runs) and opt in explicitly.
-if(DEFINED SKBUILD_SOABI)
-  string(REGEX MATCH "[0-9]+t[-.]" _is_free_threaded "${SKBUILD_SOABI}")
-  if(_is_free_threaded)
-    set(Python_FIND_ABI "ANY" "ANY" "ANY" "ON")
-  endif()
-  unset(_is_free_threaded)
+# CMake excludes free-threaded Python from the default ABI search. On Windows
+# cross-compilation, that leads FindPython to look for pythonXY.lib instead of
+# pythonXYt.lib for cp3xyt targets. Allow either ABI and let FindPython choose
+# the matching interpreter/development pair.
+if(WIN32)
+  set(Python_FIND_ABI "ANY" "ANY" "ANY" "ANY")
 endif()
 
+message(STATUS "SKBUILD_SOABI=${SKBUILD_SOABI}")
+message(STATUS "Python_FIND_ABI=${Python_FIND_ABI}")
+
 set(PYBIND11_FINDPYTHON ON)
 find_package(pybind11 CONFIG REQUIRED)