spec/ruby/optional/capi/ext: support ruby < 3

RBIMPL_WARNING_PUSH is a 3.0 feature.  Rubyspec OTOH has to support 2.x.

1 files changed, 15 insertions, 7 deletions

diff --git a/spec/ruby/optional/capi/ext/object_spec.c b/spec/ruby/optional/capi/ext/object_spec.c
index eae2446976..05ce44508d 100644
--- a/spec/ruby/optional/capi/ext/object_spec.c
+++ b/spec/ruby/optional/capi/ext/object_spec.c
@@ -151,19 +151,27 @@ static VALUE object_specs_rb_obj_method(VALUE self, VALUE obj, VALUE method) {
   return rb_obj_method(obj, method);
 }
 
-
-RBIMPL_WARNING_PUSH()
-#if RBIMPL_HAS_WARNING("-Wdeprecated-declarations") || RBIMPL_COMPILER_SINCE(GCC, 4, 6, 0)
-/* GCC 4.5 introduced __attribute__((__deprecated__)) */
-/* GCC 4.6 introduced #pragma GCC diagnostic push */
-RBIMPL_WARNING_IGNORED(-Wdeprecated-declarations)
+#if defined(__GNUC__) && (__GNUC__ > 5 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 6))
+# pragma GCC diagnostic push
+# pragma GCC diagnostic ignored "-Wdeprecated-declarations"
+#elif defined(__clang__) && defined(__has_warning)
+# if __has_warning("-Wdeprecated-declarations")
+#  pragma clang diagnostic push
+#  pragma clang diagnostic ignored "-Wdeprecated-declarations"
+# endif
 #endif
 
 static VALUE object_spec_rb_obj_taint(VALUE self, VALUE obj) {
   return rb_obj_taint(obj);
 }
 
-RBIMPL_WARNING_POP()
+#if defined(__GNUC__) && (__GNUC__ > 5 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 6))
+# pragma GCC diagnostic pop
+#elif defined(__clang__) && defined(__has_warning)
+# if __has_warning("-Wdeprecated-declarations")
+#  pragma clang diagnostic pop
+# endif
+#endif
 
 static VALUE so_require(VALUE self) {
   rb_require("fixtures/foo");