From e7b1ca8eceb8ee49f6e561a05e73d3de4850d775 Mon Sep 17 00:00:00 2001
From: Ozkan Sezer <sezeroz@gmail.com>
Date: Thu, 1 Oct 2026 23:56:40 +0300
Subject: [PATCH] os2: add gcc-compatible debug_os2 macros

---
 CMakeLists.txt         |  1 +
 src/core/os2/SDL_os2.h | 10 +++++++++-
 2 files changed, 10 insertions(+), 1 deletion(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index a749a25190..3b77a65b23 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -2818,6 +2818,7 @@ elseif(PS2)
 
 elseif(OS2)
   list(APPEND EXTRA_CFLAGS "-DOS2EMX_PLAIN_CHAR")
+  #list(APPEND EXTRA_CFLAGS "-DOS2DEBUG=2")
 
   file(GLOB CORE_SOURCES ${SDL2_SOURCE_DIR}/src/core/os2/*.c)
   list(APPEND SOURCE_FILES ${CORE_SOURCES})
diff --git a/src/core/os2/SDL_os2.h b/src/core/os2/SDL_os2.h
index 6268ca3674..76e09b785c 100644
--- a/src/core/os2/SDL_os2.h
+++ b/src/core/os2/SDL_os2.h
@@ -24,7 +24,7 @@
 #include "SDL_log.h"
 #include "SDL_stdinc.h"
 
-#ifdef OS2DEBUG
+#if defined(OS2DEBUG) && defined(__WATCOMC__)
 #if (OS2DEBUG-0 >= 2)
 # define debug_os2(s,...) SDL_LogDebug(SDL_LOG_CATEGORY_APPLICATION,    \
                                  __func__ "(): " ##s,      ##__VA_ARGS__)
@@ -32,6 +32,14 @@
 # define debug_os2(s,...) printf(__func__ "(): " ##s "\n", ##__VA_ARGS__)
 #endif
 
+#elif defined(OS2DEBUG) && defined(__GNUC__)
+#if (OS2DEBUG-0 >= 2)
+# define debug_os2(s,...) SDL_LogDebug(SDL_LOG_CATEGORY_APPLICATION,    \
+                                 "%s(): " s, __func__,     ##__VA_ARGS__)
+#else
+# define debug_os2(s,...) printf("%s(): " s "\n", __func__,##__VA_ARGS__)
+#endif
+
 #else /* no debug */
 
 # define debug_os2(s,...) do {} while (0)