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-rw-r--r--include/ruby/ruby.h9
1 files changed, 9 insertions, 0 deletions
diff --git a/include/ruby/ruby.h b/include/ruby/ruby.h
index 8947549f55..b6039fb366 100644
--- a/include/ruby/ruby.h
+++ b/include/ruby/ruby.h
@@ -958,6 +958,15 @@ rb_special_const_p(VALUE obj)
static char *dln_libs_to_be_linked[] = { EXTLIB, 0 };
#endif
+#if (defined(__APPLE__) || defined(__NeXT__)) && defined(__MACH__)
+/* to link startup code with ObjC support */
+#define RUBY_GLOBAL_SETUP static void objcdummyfunction(void) {objc_msgSend();}
+#else
+#define RUBY_GLOBAL_SETUP
+#endif
+
+void ruby_sysinit(int *, char ***);
+
#define RUBY_VM 1 /* YARV */
#define HAVE_NATIVETHREAD
int is_ruby_native_thread(void);