https://bugs.gentoo.org/939544
https://github.com/grpc/grpc/issues/37731
https://github.com/grpc/grpc/pull/37741

From 18a89be44d54e8c8bd614f1cee626d1db598a45a Mon Sep 17 00:00:00 2001
From: alto-ruby <altorubys@gmail.com>
Date: Mon, 16 Sep 2024 17:33:04 -0700
Subject: [PATCH] fix incompatible pointer type of
 grpc_compression_algorithm_name

--- a/src/ruby/ext/grpc/rb_compression_options.c
+++ b/src/ruby/ext/grpc/rb_compression_options.c
@@ -296,7 +296,7 @@ VALUE grpc_rb_compression_options_level_value_to_name_internal(
  * Fails if the enum value is invalid. */
 VALUE grpc_rb_compression_options_algorithm_value_to_name_internal(
     grpc_compression_algorithm internal_value) {
-  char* algorithm_name = NULL;
+  const char* algorithm_name = NULL;
 
   if (!grpc_compression_algorithm_name(internal_value, &algorithm_name)) {
     rb_raise(rb_eArgError, "Failed to convert algorithm value to name");