From 68a03167a5d2be2b73196d6437a01fe5f069dff1 Mon Sep 17 00:00:00 2001
From: Nobuyoshi Nakada <nobu@ruby-lang.org>
Date: Thu, 31 Jul 2025 19:44:36 +0900
Subject: [PATCH] Suppress maybe-uninitialized warnings

---
 lib/mkmf.rb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/mkmf.rb b/lib/mkmf.rb
index 7ac4f916b8..d0974b0543 100644
--- a/lib/mkmf.rb
+++ b/lib/mkmf.rb
@@ -860,7 +860,7 @@ int main() {printf("%"PRI_CONFTEST_PREFIX"#{neg ? 'd' : 'u'}\\n", conftest_const
         v
       }
       unless strvars.empty?
-        prepare << "char " << strvars.map {|v| "#{v}[1024]"}.join(", ") << "; "
+        prepare << "char " << strvars.map {|v| %[#{v}[1024] = ""]}.join(", ") << "; "
       end
     when nil
       call = ""