From 1c4ab54d2591c497a48df7f800510db356f5607b Mon Sep 17 00:00:00 2001
From: Andrei Karas <akaras@inbox.ru>
Date: Thu, 29 Aug 2013 15:59:17 +0300
Subject: move SDL2 preprocessor checks into localconsts.h

also allow use SDL2 on broken systems where SDL2 is used/stored as SDL1.2.
---
 src/localconsts.h | 13 +++++++++++++
 src/main.cpp      | 10 ----------
 2 files changed, 13 insertions(+), 10 deletions(-)

diff --git a/src/localconsts.h b/src/localconsts.h
index 9eb34c328..ead9eb459 100644
--- a/src/localconsts.h
+++ b/src/localconsts.h
@@ -18,6 +18,19 @@
  *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
+#if SDL_VERSION_ATLEAST(2, 0, 0)
+#ifndef USE_SDL2
+#warning using SDL2 headers but configure set to use SDL1.2
+#warning please add configure flag --with-sdl2
+#define USE_SDL2
+#endif
+#else
+#ifdef USE_SDL2
+#error using SDL1.2 headers but configure set to use SDL2
+#error please remove configure flag --with-sdl2
+#endif
+#endif
+
 #if !defined(__GXX_EXPERIMENTAL_CXX0X__)
 #undef nullptr
 #define nullptr 0
diff --git a/src/main.cpp b/src/main.cpp
index 89738fa93..79b435faa 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -49,16 +49,6 @@
 
 #include <SDL_version.h>
 
-#if SDL_VERSION_ATLEAST(2, 0, 0)
-#ifndef USE_SDL2
-#error using SDL2 headers but configure set to use SDL1.2
-#endif
-#else
-#ifdef USE_SDL2
-#error using SDL1.2 headers but configure set to use SDL2
-#endif
-#endif
-
 #include "debug.h"
 
 char *selfName = nullptr;
-- 
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