--- jmorecfg.h.orig	Thu Jun 12 03:18:52 2003
+++ jmorecfg.h	Thu Jun 12 03:21:25 2003
@@ -290,8 +290,11 @@
 #define IDCT_SCALING_SUPPORTED	    /* Output rescaling via IDCT? */
 #undef  UPSAMPLE_SCALING_SUPPORTED  /* Output rescaling at upsample stage? */
 #define UPSAMPLE_MERGING_SUPPORTED  /* Fast path for sloppy upsampling? */
+/* Can't use these with RGB_PIXELSIZE != 3 */
+#if 0
 #define QUANT_1PASS_SUPPORTED	    /* 1-pass color quantization? */
 #define QUANT_2PASS_SUPPORTED	    /* 2-pass color quantization? */
+#endif
 
 /* more capability options later, no doubt */
 
@@ -311,10 +314,30 @@
  *    can't use color quantization if you change that value.
  */
 
-#define RGB_RED		0	/* Offset of Red in an RGB scanline element */
+#include <sys/types.h>
+#if defined(__BYTE_ORDER) && !defined(BYTE_ORDER)
+#define BYTE_ORDER __BYTE_ORDER
+#endif
+#if defined(__LITTLE_ENDIAN) && !defined(LITTLE_ENDIAN)
+#define LITTLE_ENDIAN __LITTLE_ENDIAN
+#endif
+#if defined(__BIG_ENDIAN) && !defined(BIG_ENDIAN)
+#define BIG_ENDIAN __BIG_ENDIAN
+#endif
+
+#if BYTE_ORDER == BIG_ENDIAN
+#define RGB_RED		1	/* Offset of Red in an RGB scanline element */
+#define RGB_GREEN	2	/* Offset of Green */
+#define RGB_BLUE	3	/* Offset of Blue */
+#elif BYTE_ORDER == LITTLE_ENDIAN
+#define RGB_RED		2	/* Offset of Red in an RGB scanline element */
 #define RGB_GREEN	1	/* Offset of Green */
-#define RGB_BLUE	2	/* Offset of Blue */
-#define RGB_PIXELSIZE	3	/* JSAMPLEs per RGB scanline element */
+#define RGB_BLUE	0	/* Offset of Blue */
+#else
+#error Cannot figure out endianness
+#endif
+
+#define RGB_PIXELSIZE	4	/* JSAMPLEs per RGB scanline element */
 
 
 /* Definitions for speed-related optimizations. */