Remove SAPI_ENABLE_CLANG_TOOL option

The Clang tool header generator is now always used by default, and the Python3 fallback for header generation has been removed.

PiperOrigin-RevId: 907599771
Change-Id: I7dfa69499f09ca1432c1119d02b068404a1694f6

Author: cblichmann

cmake/SapiDeps.cmake

@@ -100,18 +100,11 @@ endif()
 
 find_package(Threads REQUIRED)
 
-if(SAPI_ENABLE_CLANG_TOOL)
-  # If unset (the default), CMake will build the tool first and add it as a
-  # dependency.
-  set(SAPI_CLANG_TOOL_EXECUTABLE "" CACHE FILEPATH
-    "Path to the Clang tool based header generator"
-  )
-else()
-  # Find Python 3 and add its location to the cache so that its available in
-  # the add_sapi_library() macro in embedding projects.
-  find_package(Python3 COMPONENTS Interpreter REQUIRED)
-  set(SAPI_PYTHON3_EXECUTABLE "${Python3_EXECUTABLE}" CACHE INTERNAL "" FORCE)
-endif()
+# If unset (the default), CMake will build the tool first and add it as a
+# dependency.
+set(SAPI_CLANG_TOOL_EXECUTABLE "" CACHE FILEPATH
+  "Path to the Clang tool based header generator"
+)
 
 # Undo global changes
 if(_sapi_saved_BUILD_TESTING)

cmake/SapiOptions.cmake

@@ -52,7 +52,6 @@ option(SAPI_BUILD_TESTING
 # Disabled by default, as this will download a lot of extra content.
 option(SAPI_CONTRIB_BUILD_TESTING "Build tests for sandboxes in 'contrib'" OFF)
 
-option(SAPI_ENABLE_CLANG_TOOL "Use the Clang tool header generator" ON)
 option(SAPI_ENABLE_CLANG_TOOL_STATIC
   "Link the Clang libraries statically into the tool" OFF
 )

sandboxed_api/CMakeLists.txt

@@ -16,7 +16,7 @@ add_subdirectory(tools/filewrapper)
 add_subdirectory(sandbox2)
 add_subdirectory(tests)
 add_subdirectory(util)
-if(SAPI_ENABLE_CLANG_TOOL AND NOT SAPI_CLANG_TOOL_EXECUTABLE)
+if(NOT SAPI_CLANG_TOOL_EXECUTABLE)
   add_subdirectory(tools/clang_generator)
 endif()
 add_subdirectory(examples)