CMake: improve MIGRATE_MODULE subdir matching to handle nested paths (e.g., Lts/Proxies/TrainingAreaBase)\n\nInclude subdirectories when MIGRATE_MODULE contains the subdir as a path component so nested module selection works.\n\nCo-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

CMakeLists.txt

@@ -343,7 +343,15 @@ function(NGL_ADD_SUBDIR_GUARDED subdir)
     # also compare basenames so MIGRATE_MODULE=Lts/DDS matches subdir 'DDS' when called from Lts
     get_filename_component(_mig_base "${_mig}" NAME)
     get_filename_component(_sub_base "${_sub}" NAME)
-    if(_mig MATCHES "^${_sub}(/|$)" OR _sub MATCHES "^${_mig}(/|$)" OR _mig_base STREQUAL _sub OR _sub_base STREQUAL _mig)
+    # If MIGRATE_MODULE either starts with the subdir, equals it, contains it as a path component,
+    # or the basename matches, include the subdir. This makes nested paths like
+    # 'Lts/Proxies/TrainingAreaBase' include both 'Lts' and its child 'Proxies'.
+    if(_mig MATCHES "^${_sub}(/|$)" \
+       OR _sub MATCHES "^${_mig}(/|$)" \
+       OR _mig MATCHES ".*/${_sub}(/|$)" \
+       OR _sub MATCHES ".*/${_mig}(/|$)" \
+       OR _mig_base STREQUAL _sub \
+       OR _sub_base STREQUAL _mig)
       message(STATUS "Including subdir ${subdir} because MIGRATE_MODULE=${MIGRATE_MODULE}")
       add_subdirectory(${subdir})
     else()