ICU-9365 Fix endianness detection for sparc based systems

X-SVN-Rev: 31971

diff --git a/icu4c/source/common/unicode/platform.h b/icu4c/source/common/unicode/platform.h
index bc88a95e6c7783effff40e6f8dc91add42d4624e..c737a57570d743d04aee53bfb594bcf9fbbfc891 100644 (file)
--- a/icu4c/source/common/unicode/platform.h
+++ b/icu4c/source/common/unicode/platform.h
@@ -352,6 +352,9 @@
 #elif defined(_PA_RISC1_0) || defined(_PA_RISC1_1) || defined(_PA_RISC2_0)
     /* HPPA do not appear to predefine any endianness macros. */
 #   define U_IS_BIG_ENDIAN 1
+#elif defined(sparc) || defined(__sparc) || defined(__sparc__)
+    /* Some sparc based systems (e.g. Linux) do not predefine any endianness macros. */
+#   define U_IS_BIG_ENDIAN 1
 #else
 #   define U_IS_BIG_ENDIAN 0
 #endif