diff options
| -rw-r--r-- | mesonbuild/cmake/interpreter.py | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/mesonbuild/cmake/interpreter.py b/mesonbuild/cmake/interpreter.py index 548acb1..c6bcbdf 100644 --- a/mesonbuild/cmake/interpreter.py +++ b/mesonbuild/cmake/interpreter.py @@ -841,6 +841,7 @@ class CMakeInterpreter: root_cb.lines += [assign(run_script_var, function('find_program', [[run_script]], {'required': True}))] # Add the targets + processing = [] processed = {} name_map = {} @@ -854,6 +855,11 @@ class CMakeInterpreter: res_var = processed[tgt_name]['tgt'] return id_node(res_var) if res_var else None + def detect_cycle(tgt: Union[ConverterTarget, ConverterCustomTarget]) -> None: + if tgt.name in processing: + raise CMakeException('Cycle in CMake inputs/dependencies detected') + processing.append(tgt.name) + def resolve_ctgt_ref(ref: CustomTargetReference) -> BaseNode: tgt_var = extract_tgt(ref) if len(ref.ctgt.outputs) == 1: @@ -862,6 +868,8 @@ class CMakeInterpreter: return indexed(tgt_var, ref.index) def process_target(tgt: ConverterTarget): + detect_cycle(tgt) + # First handle inter target dependencies link_with = [] objec_libs = [] # type: List[IdNode] @@ -990,6 +998,7 @@ class CMakeInterpreter: # commands in order. This additionally allows setting the working # directory. + detect_cycle(tgt) tgt_var = tgt.name # type: str def resolve_source(x: Any) -> Any: |