Supported Android and Apple hardware has ARM SIMD capability

src/cpuinfo/SDL_cpuinfo.c

@@ -334,16 +334,20 @@ CPU_haveAltiVec(void)
 }
 
 #if !defined(__ARM_ARCH)
-static SDL_bool CPU_haveARMSIMD(void) { return 0; }
+static int
+CPU_haveARMSIMD(void)
+{
+	return 0;
+}
 
-#elif defined(__linux__)
+#elif defined(__LINUX__)
 #include <unistd.h>
 #include <sys/types.h>
 #include <sys/stat.h>
 #include <fcntl.h>
 #include <elf.h>
 
-static SDL_bool
+static int
 CPU_haveARMSIMD(void)
 {
     int arm_simd = 0;
@@ -368,11 +372,13 @@ CPU_haveARMSIMD(void)
 }
 
 #else
-static SDL_bool
+static int
 CPU_haveARMSIMD(void)
 {
-    #warning SDL_HasARMSIMD is not implemented for this ARM platform. Write me.
-    return 0;
+#if !defined(__ANDROID__) && !defined(__IPHONEOS__) && !defined(__TVOS__)
+#warning SDL_HasARMSIMD is not implemented for this ARM platform, defaulting to TRUE
+#endif
+    return 1;
 }
 #endif