fix: use PYBIND11_EXPORT_EXCEPTION

Author: henryiii

include/pybind11/detail/common.h

@@ -89,6 +89,16 @@
 #  endif
 #endif
 
+// Exceptions can't be marked with __declspec(dllexport) in MinGW
+#if !defined(PYBIND11_EXPORT)
+#  ifdef __MINGW32__
+#    define PYBIND11_EXPORT_EXCEPTION
+#  else
+#    define PYBIND11_EXPORT_EXCEPTION PYBIND11_EXPORT
+#  endif
+#endif
+
+
 #if defined(_MSC_VER)
 #  define PYBIND11_NOINLINE __declspec(noinline)
 #else
@@ -735,12 +745,6 @@ using expand_side_effects = bool[];
 
 PYBIND11_NAMESPACE_END(detail)
 
-#ifdef __MINGW32__
-#  pragma push_macro("PYBIND11_EXPORT")
-#  undef PYBIND11_EXPORT
-#  define PYBIND11_EXPORT
-#endif
-
 #if defined(_MSC_VER)
 #  pragma warning(push)
 #  pragma warning(disable: 4275) // warning C4275: An exported class was derived from a class that wasn't exported. Can be ignored when derived from a STL class.
@@ -757,7 +761,7 @@ class PYBIND11_EXPORT builtin_exception : public std::runtime_error {
 #endif
 
 #define PYBIND11_RUNTIME_EXCEPTION(name, type) \
-    class PYBIND11_EXPORT name : public builtin_exception { public: \
+    class PYBIND11_EXPORT_EXCEPTION name : public builtin_exception { public: \
         using builtin_exception::builtin_exception; \
         name() : name("") { } \
         void set_error() const override { PyErr_SetString(type, what()); } \
@@ -773,10 +777,6 @@ PYBIND11_RUNTIME_EXCEPTION(import_error, PyExc_ImportError)
 PYBIND11_RUNTIME_EXCEPTION(cast_error, PyExc_RuntimeError) /// Thrown when pybind11::cast or handle::call fail due to a type casting error
 PYBIND11_RUNTIME_EXCEPTION(reference_cast_error, PyExc_RuntimeError) /// Used internally
 
-#ifdef __MINGW32__
-#  pragma pop_macro("PYBIND11_EXPORT")
-#endif
-
 [[noreturn]] PYBIND11_NOINLINE inline void pybind11_fail(const char *reason) { throw std::runtime_error(reason); }
 [[noreturn]] PYBIND11_NOINLINE inline void pybind11_fail(const std::string &reason) { throw std::runtime_error(reason); }
 

include/pybind11/pytypes.h

@@ -319,12 +319,6 @@ PYBIND11_NAMESPACE_BEGIN(detail)
 inline std::string error_string();
 PYBIND11_NAMESPACE_END(detail)
 
-#ifdef __MINGW32__
-#  pragma push_macro("PYBIND11_EXPORT")
-#  undef PYBIND11_EXPORT
-#  define PYBIND11_EXPORT
-#endif
-
 #if defined(_MSC_VER)
 #  pragma warning(push)
 #  pragma warning(disable: 4275 4251) // warning C4275: An exported class was derived from a class that wasn't exported. Can be ignored when derived from a STL class.
@@ -333,7 +327,7 @@ PYBIND11_NAMESPACE_END(detail)
 /// thrown to propagate python-side errors back through C++ which can either be caught manually or
 /// else falls back to the function dispatcher (which then raises the captured error back to
 /// python).
-class PYBIND11_EXPORT error_already_set : public std::runtime_error {
+class PYBIND11_EXPORT_EXCEPTION error_already_set : public std::runtime_error {
 public:
     /// Constructs a new exception from the current Python error indicator, if any.  The current
     /// Python error indicator will be cleared.
@@ -388,10 +382,6 @@ class PYBIND11_EXPORT error_already_set : public std::runtime_error {
 #  pragma warning(pop)
 #endif
 
-#ifdef __MINGW32__
-#  pragma pop_macro("PYBIND11_EXPORT")
-#endif
-
 /** \defgroup python_builtins _
     Unless stated otherwise, the following C++ functions behave the same
     as their Python counterparts.