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-rw-r--r--test/endian.h8
1 files changed, 8 insertions, 0 deletions
diff --git a/test/endian.h b/test/endian.h
new file mode 100644
index 00000000..d6e121f4
--- /dev/null
+++ b/test/endian.h
@@ -0,0 +1,8 @@
+#if defined(__ppc__) || defined(__PPC__) || defined(__ARMEB__)
+#define ARCH_BIG_ENDIAN
+#elif defined(__i386__) || defined(__x86_64__) || defined(__ARMEL__) \
+ || defined(__riscv) || defined(__aarch64__) || defined(__K1C__)
+#undef ARCH_BIG_ENDIAN
+#else
+#error "unknown endianness"
+#endif