CMake: Add option to select Python SABI

jschueller · Jan 14, 2025 · cc69009 · cc69009
1 parent 0a3d468
commit cc69009
Showing 1 changed file with 9 additions and 6 deletions.
diff --git a/CMakeLists.txt b/CMakeLists.txt
@@ -549,14 +549,17 @@ if (BUILD_PYTHON)
     endif ()
   endif ()
 
-  if (CMAKE_VERSION VERSION_LESS 3.26)
+  if (CMAKE_VERSION VERSION_LESS 3.18)
     find_package (Python 3.6 COMPONENTS Interpreter Development)
-  else ()
-    find_package (Python 3.6 COMPONENTS Interpreter Development.Module Development.SABIModule)
-  endif ()
-
-  if (NOT TARGET Python::Module)
     include (TargetLinkLibrariesWithDynamicLookup)
+  else ()
+    option (USE_PYTHON_SABI "Use Python stable ABI" OFF)
+    if (USE_PYTHON_SABI AND CMAKE_VERSION VERSION_GREATER_EQUAL 3.26)
+      find_package (Python 3.6 COMPONENTS Interpreter Development.SABIModule)
+      add_library (Python::Module ALIAS Python::SABIModule)
+    else ()
+      find_package (Python 3.6 COMPONENTS Interpreter Development.Module)
+    endif ()
   endif ()
 
   if (Python_FOUND)