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Diffstat (limited to 'libc/sysdeps/linux/powerpc/bits/endian.h')
-rw-r--r--libc/sysdeps/linux/powerpc/bits/endian.h35
1 files changed, 32 insertions, 3 deletions
diff --git a/libc/sysdeps/linux/powerpc/bits/endian.h b/libc/sysdeps/linux/powerpc/bits/endian.h
index 43b54a35d..2a079347d 100644
--- a/libc/sysdeps/linux/powerpc/bits/endian.h
+++ b/libc/sysdeps/linux/powerpc/bits/endian.h
@@ -1,8 +1,37 @@
-/* powerpc is big endian */
+/* Copyright (C) 1997, 1998 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+/* PowerPC can be little or big endian. Hopefully gcc will know... */
#ifndef _ENDIAN_H
# error "Never use <bits/endian.h> directly; include <endian.h> instead."
#endif
-#define __BYTE_ORDER __BIG_ENDIAN
-
+#if defined __BIG_ENDIAN__ || defined _BIG_ENDIAN
+# if defined __LITTLE_ENDIAN__ || defined _LITTLE_ENDIAN
+# error Both BIG_ENDIAN and LITTLE_ENDIAN defined!
+# endif
+# define __BYTE_ORDER __BIG_ENDIAN
+#else
+# if defined __LITTLE_ENDIAN__ || defined _LITTLE_ENDIAN
+# define __BYTE_ORDER __LITTLE_ENDIAN
+# else
+# warning Cannot determine current byte order, assuming big-endian.
+# define __BYTE_ORDER __BIG_ENDIAN
+# endif
+#endif