mingw-libjpeg-turbo/libjpeg-turbo-match-autoconf-behavior.patch

--- libjpeg-turbo-1.4.2/win/jconfig.h.in.orig	2016-05-10 17:10:15.359564444 +0200
+++ libjpeg-turbo-1.4.2/win/jconfig.h.in	2016-05-10 17:11:10.705555543 +0200
@@ -18,13 +18,13 @@
 
 #define BITS_IN_JSAMPLE  @BITS_IN_JSAMPLE@      /* use 8 or 12 */
 
-#define HAVE_UNSIGNED_CHAR
-#define HAVE_UNSIGNED_SHORT
+#define HAVE_UNSIGNED_CHAR 1
+#define HAVE_UNSIGNED_SHORT 1
 /* #define void char */
 /* #define const */
 #undef __CHAR_UNSIGNED__
-#define HAVE_STDDEF_H
-#define HAVE_STDLIB_H
+#define HAVE_STDDEF_H 1
+#define HAVE_STDLIB_H 1
 #undef NEED_BSD_STRINGS
 #undef NEED_SYS_TYPES_H
 #undef NEED_FAR_POINTERS	/* we presume a 32-bit flat memory model */
@@ -34,7 +34,7 @@
 #ifndef __RPCNDR_H__		/* don't conflict if rpcndr.h already read */
 typedef unsigned char boolean;
 #endif
-#define HAVE_BOOLEAN		/* prevent jmorecfg.h from redefining it */
+#define HAVE_BOOLEAN 1		/* prevent jmorecfg.h from redefining it */
 
 /* Define "INT32" as int, not long, per Windows custom */
 #if !(defined(_BASETSD_H_) || defined(_BASETSD_H))   /* don't conflict if basetsd.h already read */