cmake: allow building the compiler standalone (AIE_INCLUDE_TESTS_AND_EXAMPLES) (#3319)

Co-authored-by: Erika Hunhoff <erika.hunhoff@amd.com>

Author: atassis

CMakeLists.txt

@@ -344,9 +344,18 @@ endif()
 
 
 # Last because each of these has its own CMakeLists.txt which reloads/re-finds LLVM, thus resettings globals.
-add_subdirectory(programming_examples)
-add_subdirectory(programming_guide)
-add_subdirectory(test)
+# The test/example/tutorial subdirectories' check-* lit targets depend on AIEPythonModules, so they
+# require the Python bindings. Gate them behind an option that is forced OFF when the bindings are
+# off (mirroring how AIE_ENABLE_BINDINGS_PYTHON itself is defined above), so the compiler can be
+# configured and built standalone with a single -DAIE_ENABLE_BINDINGS_PYTHON=OFF.
+cmake_dependent_option(AIE_INCLUDE_TESTS_AND_EXAMPLES
+       "Build the test/example/tutorial subdirectories (require the Python bindings)" ON
+       "AIE_ENABLE_BINDINGS_PYTHON" OFF)
+if(AIE_INCLUDE_TESTS_AND_EXAMPLES)
+  add_subdirectory(programming_examples)
+  add_subdirectory(programming_guide)
+  add_subdirectory(test)
+endif()
 add_subdirectory(cmake/modules)
 
 get_filename_component(COMPILER_DIRECTORY ${CMAKE_CXX_COMPILER} DIRECTORY)