--- /dev/null
+--- a/libc/sysdeps/linux/arm/bits/uClibc_arch_features.h
++++ b/libc/sysdeps/linux/arm/bits/uClibc_arch_features.h
+@@ -38,4 +38,8 @@
+ /* define if target supports IEEE signed zero floats */
+ #define __UCLIBC_HAVE_SIGNED_ZERO__
+
++#ifdef __ARM_EABI__
++# define __UCLIBC_TRUNCATE64_HAS_4_ARGS__
++#endif
++
+ #endif /* _BITS_UCLIBC_ARCH_FEATURES_H */