diff options
Diffstat (limited to 'src/compat')
| -rw-r--r-- | src/compat/nanomsg/nn.h | 15 |
1 files changed, 9 insertions, 6 deletions
diff --git a/src/compat/nanomsg/nn.h b/src/compat/nanomsg/nn.h index 789aed3e..63431728 100644 --- a/src/compat/nanomsg/nn.h +++ b/src/compat/nanomsg/nn.h @@ -44,10 +44,9 @@ extern "C" { // clang-format off // NNG_DECL is used on declarations to deal with scope. -// For building Windows DLLs, it should be the appropriate -// __declspec(). (We recommend *not* building this library -// as a DLL, but instead linking it statically for your projects -// to minimize questions about link dependencies later.) +// For building Windows DLLs, it should be the appropriate __declspec(). +// For shared libraries with platforms that support hidden visibility, +// it should evaluate to __attribute__((visibility("default"))). #ifndef NN_DECL #if defined(_WIN32) && !defined(NNG_STATIC_LIB) #if defined(NNG_SHARED_LIB) @@ -56,8 +55,12 @@ extern "C" { #define NN_DECL __declspec(dllimport) #endif // NNG_SHARED_LIB #else -#define NN_DECL extern -#endif // _WIN32 && !NNG_STATIC_LIB +#if defined(NNG_SHARED_LIB) && defined(NNG_HIDDEN_VISIBILITY) +#define NN_DECL __attribute__((visibility("default"))) +#else +#define NN_DECL extern +#endif +#endif // _WIN32 && !NNG_STATIC_LIB #endif // NN_DECL #define AF_SP 1 |