From d58a6339a97b55ff952f2b104f3ec5650b20e707 Mon Sep 17 00:00:00 2001
From: "Erlend E. Aasland" <erlend@python.org>
Date: Mon, 12 May 2025 14:33:37 -0400
Subject: [PATCH] gh-132983: Fix zstd compiler warning about unused function
 mt_continue_should_break()

---
 Modules/_zstd/compressor.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/Modules/_zstd/compressor.c b/Modules/_zstd/compressor.c
index f794acbc19cfc7..97693fd043efb2 100644
--- a/Modules/_zstd/compressor.c
+++ b/Modules/_zstd/compressor.c
@@ -486,11 +486,13 @@ compress_impl(ZstdCompressor *self, Py_buffer *data,
     return NULL;
 }
 
+#ifdef Py_DEBUG
 static inline int
 mt_continue_should_break(ZSTD_inBuffer *in, ZSTD_outBuffer *out)
 {
     return in->size == in->pos && out->size != out->pos;
 }
+#endif
 
 static PyObject *
 compress_mt_continue_impl(ZstdCompressor *self, Py_buffer *data)