$NetBSD: patch-Makefile.libretro,v 1.2 2022/09/17 11:53:42 nia Exp $

Do not force -O2.

--- Makefile.libretro.orig	2022-09-01 18:13:56.000000000 +0000
+++ Makefile.libretro
@@ -772,8 +772,8 @@ ifneq (,$(findstring msvc,$(platform)))
    CFLAGS   += -MT
    CXXFLAGS += -MT
 endif
-   CFLAGS   += -O2 -DNDEBUG
-   CXXFLAGS += -O2 -DNDEBUG
+   CFLAGS   += -DNDEBUG
+   CXXFLAGS += -DNDEBUG
 endif
 
 ifeq ($(SHARED_LIBVORBIS),)