Make sure code is only compiled if the appropriate subsystem is enabled

--HG--
extra : convert_revision : svn%3Ac70aab31-4412-0410-b14c-859654838e24/trunk%401642

src/timer/amigaos/SDL_systimer.c

@@ -21,6 +21,8 @@
 */
 #include "SDL_config.h"
 
+#ifdef SDL_TIMER_AMIGA
+
 #include <stdio.h>
 #include <time.h>
 #include <signal.h>
@@ -261,3 +263,5 @@ void SDL_SYS_StopTimer(void)
 {
 	return;
 }
+
+#endif /* SDL_TIMER_AMIGA */

src/timer/beos/SDL_systimer.c

@@ -21,6 +21,8 @@
 */
 #include "SDL_config.h"
 
+#ifdef SDL_TIMER_BEOS
+
 #include <be/kernel/OS.h>
 
 #include "SDL_thread.h"
@@ -89,3 +91,5 @@ void SDL_SYS_StopTimer(void)
 {
 	return;
 }
+
+#endif /* SDL_TIMER_BEOS */

src/timer/dc/SDL_systimer.c

@@ -21,6 +21,8 @@
 */
 #include "SDL_config.h"
 
+#ifdef SDL_TIMER_DC
+
 #include <kos.h>
 
 #include "SDL_thread.h"
@@ -94,3 +96,5 @@ void SDL_SYS_StopTimer(void)
 {
 	return;
 }
+
+#endif /* SDL_TIMER_DC */

src/timer/dummy/SDL_systimer.c

@@ -21,6 +21,8 @@
 */
 #include "SDL_config.h"
 
+#if defined(SDL_TIMER_DUMMY) || defined(SDL_TIMERS_DISABLED)
+
 #include "SDL_timer.h"
 #include "../SDL_timer_c.h"
 
@@ -85,3 +87,5 @@ void SDL_SYS_StopTimer(void)
 {
 	return;
 }
+
+#endif /* SDL_TIMER_DUMMY || SDL_TIMERS_DISABLED */

src/timer/epoc/SDL_systimer.cpp

@@ -19,6 +19,9 @@
     Sam Lantinga
     slouken@libsdl.org
 */
+#include "SDL_config.h"
+
+#ifdef SDL_TIMER_EPOC
 
 /*
     SDL_systimer.cpp
@@ -109,3 +112,5 @@ void SDL_SYS_StopTimer(void)
 }
 
 }; // extern "C"
+
+#endif /* SDL_TIMER_EPOC */

src/timer/macos/SDL_MPWtimer.c

@@ -21,6 +21,8 @@
 */
 #include "SDL_config.h"
 
+#ifdef SDL_TIMER_MACOS
+
 #include <Types.h>
 #include <Timer.h>
 #include <OSUtils.h>
@@ -146,3 +148,5 @@ void SDL_SYS_StopTimer(void)
 {
 	RmvTime((QElemPtr)&gExtendedTimerRec.tmTask);
 }
+
+#endif /* SDL_TIMER_MACOS */

src/timer/macos/SDL_systimer.c

@@ -21,6 +21,8 @@
 */
 #include "SDL_config.h"
 
+#ifdef SDL_TIMER_MACOS
+
 #include <Types.h>
 #include <Timer.h>
 #include <OSUtils.h>
@@ -172,3 +174,5 @@ void SDL_SYS_StopTimer(void)
 {
 	RmvTime((QElemPtr)&gExtendedTimerRec.tmTask);
 }
+
+#endif /* SDL_TIMER_MACOS */

src/timer/mint/SDL_systimer.c

@@ -21,6 +21,8 @@
 */
 #include "SDL_config.h"
 
+#ifdef SDL_TIMER_MINT
+
 /*
  *	TOS/MiNT timer driver
  *	based on vbl vector
@@ -151,3 +153,5 @@ void SDL_SYS_StopTimer(void)
 {
 	return;
 }
+
+#endif /* SDL_TIMER_MINT */

src/timer/os2/SDL_systimer.c

@@ -21,6 +21,8 @@
 */
 #include "SDL_config.h"
 
+#ifdef SDL_TIMER_OS2
+
 #define INCL_DOSMISC
 #define INCL_DOSERRORS
 #define INCL_DOSSEMAPHORES
@@ -222,4 +224,4 @@ void SDL_SYS_StopTimer(void)
         return;
 }
 
-
+#endif /* SDL_TIMER_OS2 */

src/timer/riscos/SDL_systimer.c

@@ -21,6 +21,8 @@
 */
 #include "SDL_config.h"
 
+#ifdef SDL_TIMER_RISCOS
+
 #include <stdio.h>
 #include <time.h>
 #include <sys/time.h>
@@ -227,3 +229,5 @@ void SDL_SYS_StopTimer(void)
 }
 
 #endif /* SDL_THREADS_DISABLED */
+
+#endif /* SDL_TIMER_RISCOS */

src/timer/unix/SDL_systimer.c

@@ -21,6 +21,8 @@
 */
 #include "SDL_config.h"
 
+#ifdef SDL_TIMER_UNIX
+
 #include <stdio.h>
 #include <sys/time.h>
 #include <signal.h>
@@ -234,3 +236,5 @@ void SDL_SYS_StopTimer(void)
 }
 
 #endif /* USE_ITIMER */
+
+#endif /* SDL_TIMER_UNIX */

src/timer/win32/SDL_systimer.c

@@ -21,6 +21,8 @@
 */
 #include "SDL_config.h"
 
+#ifdef SDL_TIMER_WIN32
+
 #define WIN32_LEAN_AND_MEAN
 #include <windows.h>
 #include <mmsystem.h>
@@ -155,3 +157,4 @@ void SDL_SYS_StopTimer(void)
 	return;
 }
 
+#endif /* SDL_TIMER_WIN32 */

src/timer/wince/SDL_systimer.c

@@ -21,6 +21,8 @@
 */
 #include "SDL_config.h"
 
+#ifdef SDL_TIMER_WINCE
+
 #define WIN32_LEAN_AND_MEAN
 #include <windows.h>
 #include <mmsystem.h>
@@ -192,3 +194,5 @@ void SDL_SYS_StopTimer(void)
 {
 	return;
 }
+
+#endif /* SDL_TIMER_WINCE */