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[common.h] Mark another entry point as "unused".

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For rationale, see #2241, eeb1044818af5b70761deae602c49eba439164dc;
there is a second entry point function defined by the PYBIND11_MODULE
macro that also needs to be annotated as unused.
This commit is contained in:
Thomas Köppe 2020-06-03 13:51:40 +01:00 committed by Wenzel Jakob
parent c776e9ef93
commit 1e14930dfc
1 changed files with 10 additions and 8 deletions
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18
include/pybind11/detail/common.h
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@ -185,9 +185,10 @@
#define PYBIND11_STR_TYPE ::pybind11::str
#define PYBIND11_BOOL_ATTR "__bool__"
#define PYBIND11_NB_BOOL(ptr) ((ptr)->nb_bool)
// Providing a separate declaration to make Clang's -Wmissing-prototypes happy
// Providing a separate declaration to make Clang's -Wmissing-prototypes happy.
// See comment for PYBIND11_MODULE below for why this is marked "maybe unused".
#define PYBIND11_PLUGIN_IMPL(name) \
extern "C" PYBIND11_EXPORT PyObject *PyInit_##name(); \
extern "C" PYBIND11_MAYBE_UNUSED PYBIND11_EXPORT PyObject *PyInit_##name(); \
extern "C" PYBIND11_EXPORT PyObject *PyInit_##name()
#else
@ -211,13 +212,14 @@
#define PYBIND11_STR_TYPE ::pybind11::bytes
#define PYBIND11_BOOL_ATTR "__nonzero__"
#define PYBIND11_NB_BOOL(ptr) ((ptr)->nb_nonzero)
// Providing a separate PyInit decl to make Clang's -Wmissing-prototypes happy
// Providing a separate PyInit decl to make Clang's -Wmissing-prototypes happy.
// See comment for PYBIND11_MODULE below for why this is marked "maybe unused".
#define PYBIND11_PLUGIN_IMPL(name) \
static PyObject *pybind11_init_wrapper(); \
extern "C" PYBIND11_EXPORT void init##name(); \
extern "C" PYBIND11_EXPORT void init##name() { \
(void)pybind11_init_wrapper(); \
} \
static PyObject *pybind11_init_wrapper(); \
extern "C" PYBIND11_MAYBE_UNUSED PYBIND11_EXPORT void init##name(); \
extern "C" PYBIND11_EXPORT void init##name() { \
(void)pybind11_init_wrapper(); \
} \
PyObject *pybind11_init_wrapper()
#endif