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Fixed bug 3517 - Compiler warnings with gcc -Wstrict-prototypes

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felix

Compiling even a simple SDL2 'hello world' program with gcc -Wstrict-prototypes (GCC 6.2.1) results in warnings like:

/usr/include/SDL2/SDL_gamecontroller.h:143:1: attention : function declaration isn't a prototype [-Wstrict-prototypes]
 extern DECLSPEC int SDLCALL SDL_GameControllerNumMappings();
 ^~~~~~

It seems there is a missing 'void' between the parentheses.
This commit is contained in:
Sam Lantinga
2016-12-26 02:12:21 -08:00
parent 9492492d5f
commit b4e069e7f8
18 changed files with 19 additions and 19 deletions
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4
include/SDL_atomic.h
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@@ -159,8 +159,8 @@ void _ReadWriteBarrier(void);
#elif defined(__ARM_ARCH_6__) || defined(__ARM_ARCH_6J__) || defined(__ARM_ARCH_6K__) || defined(__ARM_ARCH_6T2__) || defined(__ARM_ARCH_6Z__) || defined(__ARM_ARCH_6ZK__)
#ifdef __thumb__
/* The mcr instruction isn't available in thumb mode, use real functions */
extern DECLSPEC void SDLCALL SDL_MemoryBarrierRelease();
extern DECLSPEC void SDLCALL SDL_MemoryBarrierAcquire();
extern DECLSPEC void SDLCALL SDL_MemoryBarrierRelease(void);
extern DECLSPEC void SDLCALL SDL_MemoryBarrierAcquire(void);
#else
#define SDL_MemoryBarrierRelease() __asm__ __volatile__ ("mcr p15, 0, %0, c7, c10, 5" : : "r"(0) : "memory")
#define SDL_MemoryBarrierAcquire() __asm__ __volatile__ ("mcr p15, 0, %0, c7, c10, 5" : : "r"(0) : "memory")