diff options
Diffstat (limited to 'include/ruby/internal/abi.h')
| -rw-r--r-- | include/ruby/internal/abi.h | 27 |
1 files changed, 20 insertions, 7 deletions
diff --git a/include/ruby/internal/abi.h b/include/ruby/internal/abi.h index 78ed4c1875..7ceb8c40b7 100644 --- a/include/ruby/internal/abi.h +++ b/include/ruby/internal/abi.h @@ -1,6 +1,8 @@ #ifndef RUBY_ABI_H #define RUBY_ABI_H +#ifdef RUBY_ABI_VERSION /* should match the definition in config.h */ + /* This number represents Ruby's ABI version. * * In development Ruby, it should be bumped every time an ABI incompatible @@ -19,26 +21,37 @@ * - Backwards compatible refactors. * - Editing comments. * - * In released versions of Ruby, this number should not be changed since teeny + * In released versions of Ruby, this number is not defined since teeny * versions of Ruby should guarantee ABI compatibility. */ -#define RUBY_ABI_VERSION 0 +#define RUBY_ABI_VERSION 3 /* Windows does not support weak symbols so ruby_abi_version will not exist * in the shared library. */ -#if defined(HAVE_FUNC_WEAK) && !defined(_WIN32) && !defined(__MINGW32__) -# define RUBY_DLN_CHECK_ABI 1 -#else -# define RUBY_DLN_CHECK_ABI 0 +#if defined(HAVE_FUNC_WEAK) && !defined(_WIN32) && !defined(__MINGW32__) && !defined(__CYGWIN__) +# define RUBY_DLN_CHECK_ABI #endif +#endif /* RUBY_ABI_VERSION */ + +#if defined(RUBY_DLN_CHECK_ABI) && !defined(RUBY_EXPORT) -#if RUBY_DLN_CHECK_ABI +# ifdef __cplusplus +extern "C" { +# endif RUBY_FUNC_EXPORTED unsigned long long __attribute__((weak)) ruby_abi_version(void) { +# ifdef RUBY_ABI_VERSION return RUBY_ABI_VERSION; +# else + return 0; +# endif +} + +# ifdef __cplusplus } +# endif #endif |