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[smart_holder] Introduce PYBIND11_SMART_HOLDER_DISABLE option. (#5348)

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* Step 1: Establish new `PYBIND11_SMART_HOLDER_ENABLED` macro, but only under include/pybind11/

At the stage `PYBIND11_HAS_INTERNALS_WITH_SMART_HOLDER_SUPPORT` and `PYBIND11_SMART_HOLDER_ENABLED` are still equivalent.

* Systematically replace all `PYBIND11_HAS_INTERNALS_WITH_SMART_HOLDER_SUPPORT` with `PYBIND11_SMART_HOLDER_ENABLED` under tests/ and ubench/

As at the previous stage, `PYBIND11_HAS_INTERNALS_WITH_SMART_HOLDER_SUPPORT` and `PYBIND11_SMART_HOLDER_ENABLED` are still equivalent.

* Introduce `PYBIND11_SMART_HOLDER_DISABLE` option.

* `#ifdef` out entire `wrap()` function to avoid `unused-parameter` warning-as-error under macos-13

```
/Users/runner/work/pybind11/pybind11/tests/test_class_sh_trampoline_basic.cpp:67:23: error: unused parameter 'm' [-Werror,-Wunused-parameter]
void wrap(py::module_ m, const char *py_class_name) {
                      ^
/Users/runner/work/pybind11/pybind11/tests/test_class_sh_trampoline_basic.cpp:67:38: error: unused parameter 'py_class_name' [-Werror,-Wunused-parameter]
void wrap(py::module_ m, const char *py_class_name) {
                                     ^
2 errors generated.
```
This commit is contained in:
Ralf W. Grosse-Kunstleve
2024-09-01 14:34:36 -07:00
committed by GitHub
parent a7b91e3326
commit bd8985aa0f
44 changed files with 123 additions and 103 deletions
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2
tests/test_class.cpp
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@@ -93,7 +93,7 @@ TEST_SUBMODULE(class_, m) {
struct ToBeHeldByUniquePtr {};
py::class_<ToBeHeldByUniquePtr, std::unique_ptr<ToBeHeldByUniquePtr>>(m, "ToBeHeldByUniquePtr")
.def(py::init<>());
#ifdef PYBIND11_HAS_INTERNALS_WITH_SMART_HOLDER_SUPPORT
#ifdef PYBIND11_SMART_HOLDER_ENABLED
m.def("pass_unique_ptr", [](std::unique_ptr<ToBeHeldByUniquePtr> &&) {});
#else
m.attr("pass_unique_ptr") = py::none();