Keep early owned CMake targets inside the licence gate

CMakeLists.txt

@@ -20,13 +20,17 @@ project(DesktopPlatform VERSION 0.1.0 LANGUAGES C CXX)
 option(ARCFORGES_BUILD_TESTS "Build native ABI smoke tests" ON)
 option(ARCFORGES_BUILD_FUZZERS "Build Clang libFuzzer ABI boundary targets" OFF)
 if(ARCFORGES_BUILD_TESTS)
+    get_property(_arcforges_targets_before_ctest DIRECTORY PROPERTY BUILDSYSTEM_TARGETS)
     include(CTest)
+    get_property(_arcforges_ctest_targets DIRECTORY PROPERTY BUILDSYSTEM_TARGETS)
+    # Exempt only targets created by CTest, including when owned targets precede it.
+    if(_arcforges_targets_before_ctest)
+        list(REMOVE_ITEM _arcforges_ctest_targets ${_arcforges_targets_before_ctest})
+    endif()
+    set_property(DIRECTORY PROPERTY ARCFORGES_EXTERNAL_TARGETS "${_arcforges_ctest_targets}")
     enable_testing()
 endif()
 
-# CTest creates dashboard utility targets; record those before adding owned targets.
-get_property(_arcforges_ctest_targets DIRECTORY PROPERTY BUILDSYSTEM_TARGETS)
-set_property(DIRECTORY PROPERTY ARCFORGES_EXTERNAL_TARGETS "${_arcforges_ctest_targets}")
 include(eng/cmake/LicenceBoundary.cmake)
 add_subdirectory(native)
 cmake_language(DEFER CALL arcforges_verify_native_licences)

docs/licence-boundary.md

@@ -31,10 +31,12 @@ dirty state, targets and configure-time link expressions in
 `artifacts/cmake/<rid>/<profile>/licence-boundary.json`. Imported dependencies keep
 their own licences; CTest's generated utility targets are identified separately.
 The existing native-stage audit still verifies the actual third-party binary,
-notice and source closure. Declaration checks do not replace it.
+notice and source closure. Declaration checks do not replace it. Only targets created
+by the CTest module are exempt; owned targets added before it still require declarations,
+with both native-test settings covered by a regression using the actual root CMake file.
 
 CI requires both operating systems' source/managed checks and the Windows native
-IDE/CMake reports before packaging. Ten negative/positive test groups include real
+IDE/CMake reports before packaging. Eleven negative/positive test groups include real
 MSBuild global overrides, real CMake target changes and malformed reference graphs.
 The current Design exports are refreshed to the same accepted baseline; glossary
 content and forbidden-alias digests are unchanged.

eng/test_licence_boundary.py

@@ -126,6 +126,24 @@ def test_actual_cmake_rejects_missing_or_overridden_target(self):
             self.write('CMakeLists.txt', source + addition + '\n')
             self.assertIn('AFL001', self.run_tool('cmake', '-S', '.', '-B', directory, success=False))
 
+    def test_real_root_does_not_exempt_owned_targets_before_ctest(self):
+        source = (policy.ROOT / 'CMakeLists.txt').read_text(encoding='utf-8')
+        source = source.replace('LANGUAGES C CXX', 'LANGUAGES NONE')
+        source = source.replace('include(eng/cmake/LicenceBoundary.cmake)',
+                                f'include("{(policy.ROOT / "eng/cmake/LicenceBoundary.cmake").as_posix()}")')
+        source = source.replace('add_subdirectory(native)',
+                                'add_custom_target(registered)\narcforges_declare_target_licence(registered)')
+        source = source.replace('option(ARCFORGES_BUILD_TESTS',
+                                'add_custom_target(early_unregistered)\noption(ARCFORGES_BUILD_TESTS')
+        self.write('CMakeLists.txt', source)
+        self.write('toolchain.cmake', '# Empty toolchain for a LANGUAGES NONE policy fixture.\n')
+        for enabled in ('ON', 'OFF'):
+            output = self.run_tool('cmake', '-S', '.', '-B', 'ctest-' + enabled,
+                '-DARCFORGES_NATIVE_PROFILE=runtime-shared', '-DVCPKG_TARGET_TRIPLET=fixture',
+                '-DCMAKE_TOOLCHAIN_FILE=' + str(self.root / 'toolchain.cmake'),
+                '-DARCFORGES_BUILD_TESTS=' + enabled, success=False)
+            self.assertIn('AFL001: missing or incorrect native target licence: early_unregistered', output)
+
 
 if __name__ == '__main__':
     unittest.main()