Android: fix compilation error of SDL_cpuinfo.c on android-r13b (bug 4365)
diff --git a/src/cpuinfo/SDL_cpuinfo.c b/src/cpuinfo/SDL_cpuinfo.c
index 1d14420..8412b52 100644
--- a/src/cpuinfo/SDL_cpuinfo.c
+++ b/src/cpuinfo/SDL_cpuinfo.c
@@ -67,6 +67,13 @@
#ifndef AT_HWCAP
#define AT_HWCAP 16
#endif
+#ifndef AT_PLATFORM
+#define AT_PLATFORM 15
+#endif
+/* Prevent compilation error when including elf.h would also try to define AT_* as an enum */
+#ifndef AT_NULL
+#define AT_NULL 0
+#endif
#ifndef HWCAP_NEON
#define HWCAP_NEON (1 << 12)
#endif