patch 8.1.0704: building with Ruby 2.6 gives compiler warnings
Problem: Building with Ruby 2.6 gives compiler warnings.
Solution: Define a stub for rb_ary_detransient. (Ozaki Kiichi, closes #3779)
diff --git a/src/if_ruby.c b/src/if_ruby.c
index 34fc0ed..c2a2ec3 100644
--- a/src/if_ruby.c
+++ b/src/if_ruby.c
@@ -124,7 +124,7 @@
#endif
#if defined(DYNAMIC_RUBY_VER) && DYNAMIC_RUBY_VER >= 26
-# define rb_ary_detransient (*dll_rb_ary_detransient)
+# define rb_ary_detransient rb_ary_detransient_stub
#endif
#include <ruby.h>
@@ -549,6 +549,13 @@
# endif
# endif
+# if defined(DYNAMIC_RUBY_VER) && DYNAMIC_RUBY_VER >= 26
+void rb_ary_detransient_stub(VALUE x)
+{
+ dll_rb_ary_detransient(x);
+}
+# endif
+
static HINSTANCE hinstRuby = NULL; /* Instance of ruby.dll */
/*