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Workaround gcc unnamed type with no linkage error for c++98 standard

This commit is contained in:
William S Fulton 2024-09-04 18:57:05 +01:00
parent 6b0f545707
commit 886c6ff729
1 changed files with 8 additions and 1 deletions
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9
Examples/test-suite/friends_nested.i
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@ -118,12 +118,19 @@ namespace BB {
%inline %{
#if defined(SWIG)
#define STATIC_FOR_ANONYMOUS
#else
// For gcc in C++98 mode (at least) to avoid:
// error: unnamed type with no linkage used to declare variable ‘<unnamed class> instance’ with linkage
#define STATIC_FOR_ANONYMOUS static
#endif
struct BaseForAnon {
virtual ~BaseForAnon() {}
};
// Unnamed nested classes are ignored but were causing code that did not compile
class /*unnamed*/ : public BaseForAnon {
STATIC_FOR_ANONYMOUS class /*unnamed*/ : public BaseForAnon {
int member_var;
public:
friend int myfriend();