diff options
| -rw-r--r-- | gmodule/gmodule.c | 12 | ||||
| -rw-r--r-- | gmodule/gmodule.h | 4 |
2 files changed, 12 insertions, 4 deletions
diff --git a/gmodule/gmodule.c b/gmodule/gmodule.c index f02dbbca5..a5da99179 100644 --- a/gmodule/gmodule.c +++ b/gmodule/gmodule.c @@ -167,9 +167,15 @@ /** * G_MODULE_EXPORT: * - * Used to declare functions exported by modules. This is a no-op on Linux - * and Unices, but when compiling for Windows, it marks a symbol to be - * exported from the library or executable being built. + * Used to declare functions exported by libraries or modules. + * + * When compiling for Windows, it marks the symbol as `dllexport`. + * + * When compiling for Linux and Unices, it marks the symbol as having `default` + * visibility. This is no-op unless the code is being compiled with a + * non-default + * [visibility flag](https://gcc.gnu.org/onlinedocs/gcc/Code-Gen-Options.html#index-fvisibility-1260) + * such as `hidden`. */ /** diff --git a/gmodule/gmodule.h b/gmodule/gmodule.h index 194fa6e69..aa98f00d2 100644 --- a/gmodule/gmodule.h +++ b/gmodule/gmodule.h @@ -35,7 +35,9 @@ G_BEGIN_DECLS #define G_MODULE_IMPORT extern #ifdef G_PLATFORM_WIN32 # define G_MODULE_EXPORT __declspec(dllexport) -#else /* !G_PLATFORM_WIN32 */ +#elif __GNUC__ >= 4 +# define G_MODULE_EXPORT __attribute__((visibility("default"))) +#else /* !G_PLATFORM_WIN32 && __GNUC__ < 4 */ # define G_MODULE_EXPORT #endif /* !G_PLATFORM_WIN32 */ |