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-rw-r--r--firmware/include/bitarray.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/firmware/include/bitarray.h b/firmware/include/bitarray.h
index 4777ccb6a4..a1e7a3fd58 100644
--- a/firmware/include/bitarray.h
+++ b/firmware/include/bitarray.h
@@ -44,6 +44,7 @@
44/** Iterators **/ 44/** Iterators **/
45#include "config.h" 45#include "config.h"
46#include <stdint.h> 46#include <stdint.h>
47#include <limits.h>
47 48
48#if (defined(CPU_ARM) && ARM_ARCH >= 5) || UINT32_MAX < UINT_MAX 49#if (defined(CPU_ARM) && ARM_ARCH >= 5) || UINT32_MAX < UINT_MAX
49#define __BITARRAY_CTZ(wval) __builtin_ctz(wval) 50#define __BITARRAY_CTZ(wval) __builtin_ctz(wval)