configure.ac: Introduce AC_C_BIGENDIAN_CROSS for WORDS_BIGENDIAN.

2004-09-22  Andreas Tobler  <a.tobler@schweiz.ch>

	* configure.ac: Introduce AC_C_BIGENDIAN_CROSS for WORDS_BIGENDIAN.
	* configure: Regenerate.
	* include/config.h.in: Likewise.
	* jni/gtk-peer/gtkpeer.h (SWAPU32): Introduce macro to swap pixels.
	* jni/gtk-peer/gnu_java_awt_peer_gtk_GtkImagePainter.c: Moved SWAPU32
	macro to gtkpeer.h.
	* jni/gtk-peer/gnu_java_awt_peer_gtk_GdkGraphics2D.c
	(Java_gnu_java_awt_peer_gtk_GdkGraphics2D_getImagePixels): Convert
	pixels from  0xBBGGRRAA to 0xAARRGGBB only on Little Endian
	architectures.
	* jni/gtk-peer/gnu_java_awt_peer_gtk_GdkPixbufDecoder.c (area_updated):
	Likewise.

From-SVN: r87889

libjava/include/config.h.in

@@ -1,5 +1,8 @@
 /* include/config.h.in.  Generated from configure.ac by autoheader.  */
 
+/* 1234 = LIL_ENDIAN, 4321 = BIGENDIAN */
+#undef BYTEORDER
+
 /* Define to one of `_getb67', `GETB67', `getb67' for Cray-2 and Cray-YMP
    systems. This function is required for `alloca.c' support on those systems.
    */
@@ -351,6 +354,10 @@
 /* Define to 1 if you have the file `AC_File'. */
 #undef HAVE__PROC_SELF_EXE
 
+/* Define if the host machine stores words of multi-word integers in
+   big-endian order. */
+#undef HOST_WORDS_BIG_ENDIAN
+
 /* Define as const if the declaration of iconv() needs const. */
 #undef ICONV_CONST
 
@@ -441,6 +448,9 @@
 /* Version number of package */
 #undef VERSION
 
+/* whether byteorder is bigendian */
+#undef WORDS_BIGENDIAN
+
 /* Define to 1 if the X Window System is missing or not being used. */
 #undef X_DISPLAY_MISSING