diff -Naur original/bladeenc/cygwin.h cygwin/bladeenc/cygwin.h
--- original/bladeenc/cygwin.h	1970-01-01 00:00:00.000000000 +0000
+++ cygwin/bladeenc/cygwin.h	2003-11-14 10:59:06.000000000 +0000
@@ -0,0 +1,6 @@
+#ifndef __CYGWIN_H
+#define __CYGWIN_H
+
+#define BE_CYGPAT 1  /* bladeenc -> cygwin - PATCH version, increases with new ones */
+
+#endif /* __CYGWIN_H */
diff -Naur original/bladeenc/bladesys.c cygwin/bladeenc/bladesys.c
--- original/bladeenc/bladesys.c	2001-05-08 12:11:54.000000000 +0000
+++ cygwin/bladeenc/bladesys.c	2003-09-23 15:53:52.000000000 +0000
@@ -189,7 +189,9 @@
 #endif
 
 
+
 #ifdef	UNIX_SYSTEM
+#ifdef	PRIO
 	pid_t					my_pid;
 	int						prio;
 
@@ -209,6 +211,8 @@
 	my_pid = getpid();
 	setpriority (PRIO_PROCESS, my_pid, prio);
 #endif
+#endif
+
 
 #if SYSTEM == AMIGA_WOS /* WarpOS. */
 
diff -Naur original/bladeenc/loop.c cygwin/bladeenc/loop.c
--- original/bladeenc/loop.c	2001-05-08 12:11:54.000000000 +0000
+++ cygwin/bladeenc/loop.c	2003-09-22 19:22:40.000000000 +0000
@@ -95,7 +95,7 @@
 
 
 
-#define		infinity				99999999
+#define		local_inf				999999
 
 
 
@@ -709,8 +709,8 @@
 
 	double					xmax, the_xmax;
 
-	the_lo_quant = -infinity;   /* "-infinity" */
-	the_hi_quant = -infinity;   /* the real maximum for high_quant is about +4 ! */
+	the_lo_quant = -local_inf;   /* "-infinity" */
+	the_hi_quant = -local_inf;   /* the real maximum for high_quant is about +4 ! */
 
 	the_xmax = -1.0;
 
@@ -719,8 +719,8 @@
 		xmax = xmax_l[sfb];
 		if (xmax == 0.0)
 		{
-			lo_quant_l[sfb] = -infinity;
-			hi_quant_l[sfb] = -infinity;
+			lo_quant_l[sfb] = -local_inf;
+			hi_quant_l[sfb] = -local_inf;
 		}
 		else
 		{
@@ -743,8 +743,8 @@
 			xmax = xmax_s[sfb][b];
 			if (xmax == 0.0)
 			{
-				lo_quant_s[sfb][b] = -infinity;
-				hi_quant_s[sfb][b] = -infinity;
+				lo_quant_s[sfb][b] = -local_inf;
+				hi_quant_s[sfb][b] = -local_inf;
 			}
 			else
 			{
@@ -885,7 +885,7 @@
 		partial_quantize ();
 #if ORG_BINARY_SEARCH || ORG_QUANTANF_INIT || CHECK_TJ_OVERFLOW
 		if (tjBitOverflow2)
-			bits = infinity;
+			bits = local_inf;
 		else
 			bits = count_bits ();
 #else
@@ -899,7 +899,7 @@
 			tjBitOverflow2 = FALSE;
 			quantize ();
 			if (tjBitOverflow2)
-				bits = infinity;
+				bits = local_inf;
 			else
 				bits = count_bits ();
 #else
@@ -950,7 +950,7 @@
 	counts the bits needed to code the scale factors (cod_info->part2_length)
 	and the compression index (cod_info->scalefac_compress).
 
-	If there is no suitable index, it returns "infinity".
+	If there is no suitable index, it returns "local_inf".
 */
 
 static	int				needed_bits_for_storing_scalefactors
@@ -1044,7 +1044,7 @@
 	}
 
 
-	cod_info->part2_length = infinity;
+	cod_info->part2_length = local_inf;
 
 	for (k = 0;  k < 16;  k++)
 	{
@@ -1732,7 +1732,7 @@
 		tjBitOverflow2 = FALSE;
 		quantize ();
 		if (tjBitOverflow2)
-			bits = infinity;
+			bits = local_inf;
 		else
 			bits = count_bits ();
 
@@ -1754,7 +1754,7 @@
 		tjBitOverflow2 = FALSE;
 		quantize ();
 		if (tjBitOverflow2)
-			bits = infinity;
+			bits = local_inf;
 		else
 			bits = count_bits ();
 #else
diff -Naur original/bladeenc/system.h cygwin/bladeenc/system.h
--- original/bladeenc/system.h	2001-05-08 12:11:54.000000000 +0000
+++ cygwin/bladeenc/system.h	2003-09-23 15:47:54.000000000 +0000
@@ -28,6 +28,10 @@
 	-	Added Andrea Vallinotto's Amiga WarpOS changes.
 	-	Added some more defines and cleaned up.
 
+	2003-09-23	Hannu E K Nevalainen
+	
+	- Added simple "autodetection" for Cygwin (www.cygwin.com)
+
 */
 
 #ifndef		__SYSTEM__
@@ -82,6 +86,10 @@
 #       define  	SYSTEM      MSDOS_DJGPP
 #	endif
 
+#	ifdef __CYGWIN__						/* www.cygwin.com, unix emulation layer for WinXX */
+#       define  	SYSTEM      UNIX_AUTOCONF
+#	endif
+
 #	if	defined(__dest_os) && (__dest_os == __mac_os)   /* defined in "ansi_prefix.mac.h" */
 #		define		SYSTEM		MAC_OS
 #	endif
@@ -267,6 +275,9 @@
 #	define			DIRECTORY_SEPARATOR		'/'
 #endif
 
+#ifdef __CYGWIN__						/* www.cygwin.com, unix emulation layer for WinXX */
+# undef PRIO								/* not correclty emulated? */
+#endif
 
 /*==== COMPILER SPECIFIC DEFINES ============================================ */
 /*
diff -Naur original/configure cygwin/configure
--- original/configure	2001-05-08 12:11:56.000000000 +0000
+++ cygwin/configure	2003-09-22 19:41:58.000000000 +0000
@@ -1064,7 +1064,7 @@
 int main() {
 
 #if BYTE_ORDER != BIG_ENDIAN
- not big endian
+ return 1; // not big endian
 #endif
 ; return 0; }
 EOF