Define BYTE_ORDER in <sys/byteorder.h> as on UnixWare 1.1

From-SVN: r6804

1 files changed, 40 insertions, 0 deletions

diff --git a/gcc/fixinc.svr4 b/gcc/fixinc.svr4
index ae60d463a1c..de73ffc6075 100755
--- a/gcc/fixinc.svr4
+++ b/gcc/fixinc.svr4
@@ -1375,6 +1375,9 @@ fi
 cd ${ORIG_DIR}
 
 echo 'Replacing <sys/byteorder.h>'
+if [ \! -d $LIB/sys ]; then
+  mkdir $LIB/sys
+fi
 rm -f ${LIB}/sys/byteorder.h
 cat <<'__EOF__' >${LIB}/sys/byteorder.h
 #ifndef _SYS_BYTEORDER_H
@@ -1396,6 +1399,14 @@ cat <<'__EOF__' >${LIB}/sys/byteorder.h
 #error You lose!  This file is only useful with GNU compilers.
 #endif
 
+#ifndef __BYTE_ORDER__
+/* Byte order defines.  These are as defined on UnixWare 1.1, but with
+   double underscores added at the front and back.  */
+#define __LITTLE_ENDIAN__   1234
+#define __BIG_ENDIAN__      4321
+#define __PDP_ENDIAN__      3412
+#endif
+
 #ifdef __GNUC__
 #define __STATIC static
 #else
@@ -1411,6 +1422,10 @@ __STATIC __inline__ unsigned short ntohs (unsigned int);
 
 #if defined (__i386__)
 
+#ifndef __BYTE_ORDER__
+#define __BYTE_ORDER__ __LITTLE_ENDIAN__
+#endif
+
 /* Convert a host long to a network long.  */
 
 /* We must use a new-style function definition, so that this will also
@@ -1441,6 +1456,10 @@ htons (unsigned int __arg)
        || defined (__ns32k__) || defined (__vax__)		\
        || defined (__spur__) || defined (__arm__))
 
+#ifndef __BYTE_ORDER__
+#define __BYTE_ORDER__ __LITTLE_ENDIAN__
+#endif
+
 /* For other little-endian machines, using C code is just as efficient as
    using assembly code.  */
 
@@ -1472,6 +1491,10 @@ htons (unsigned int __arg)
 
 #else /* must be a big-endian machine */
 
+#ifndef __BYTE_ORDER__
+#define __BYTE_ORDER__ __BIG_ENDIAN__
+#endif
+
 /* Convert a host long to a network long.  */
 
 __STATIC __inline__ unsigned long
@@ -1509,6 +1532,23 @@ ntohs (unsigned int __arg)
 
 #undef __STATIC
 
+__EOF__
+
+if [ -r ${INPUT}/sys/byteorder.h ]; then
+  if grep BYTE_ORDER ${INPUT}/sys/byteorder.h >/dev/null 2>/dev/null; then
+    cat <<'__EOF__' >>${LIB}/sys/byteorder.h
+#ifndef BYTE_ORDER
+#define LITTLE_ENDIAN __LITTLE_ENDIAN__
+#define BIG_ENDIAN __BIG_ENDIAN__
+#define PDP_ENDIAN __PDP_ENDIAN__
+#define BYTE_ORDER __BYTE_ORDER__
+#endif
+
+__EOF__
+  fi
+fi
+
+cat <<'__EOF__' >>${LIB}/sys/byteorder.h
 #endif /* !defined (_SYS_BYTEORDER_H) */
 __EOF__