--- rpm-4.4.2/lib/transaction.c.prefer32	2007-04-25 12:10:25.000000000 +0100
+++ rpm-4.4.2/lib/transaction.c	2007-04-25 12:38:32.000000000 +0100
@@ -122,6 +122,7 @@ static int handleInstInstalledFiles(cons
 	/*@modifies ts, fi, rpmGlobalMacroContext, fileSystem, internalState @*/
 {
     uint_32 tscolor = rpmtsColor(ts);
+    uint_32 prefcolor = rpmtsPrefColor(ts);
     uint_32 otecolor, tecolor;
     uint_32 oFColor, FColor;
     const char * altNEVR = NULL;
@@ -199,11 +200,11 @@ static int handleInstInstalledFiles(cons
 	    /* Resolve file conflicts to prefer Elf64 (if not forced). */
 	    if (tscolor != 0 && FColor != 0 && FColor != oFColor)
 	    {
-		if (oFColor & 0x2) {
+		if (oFColor & prefcolor) {
 		    fi->actions[fileNum] = FA_SKIPCOLOR;
 		    rConflicts = 0;
 		} else
-		if (FColor & 0x2) {
+		if (FColor & prefcolor) {
 		    fi->actions[fileNum] = FA_CREATE;
 		    rConflicts = 0;
 		}
@@ -458,6 +459,7 @@ static void handleOverlappedFiles(const 
     if (fi != NULL)
     while ((i = rpmfiNext(fi)) >= 0) {
 	uint_32 tscolor = rpmtsColor(ts);
+	uint_32 prefcolor = rpmtsPrefColor(ts);
 	uint_32 oFColor, FColor;
 	struct fingerPrint_s * fiFps;
 	int otherPkgNum, otherFileNum;
@@ -570,19 +572,19 @@ assert(otherFi != NULL);
 		rConflicts = reportConflicts;
 		/* Resolve file conflicts to prefer Elf64 (if not forced) ... */
 		if (tscolor != 0) {
-		    if (FColor & 0x2) {
-			/* ... last Elf64 file is installed ... */
+		    if (FColor & prefcolor) {
+			/* ... last file of preferred colour is installed ... */
 			if (!XFA_SKIPPING(fi->actions[i])) {
 			    /* XXX static helpers are order dependent. Ick. */
 			    if (strcmp(fn, "/usr/sbin/libgcc_post_upgrade")
 			     && strcmp(fn, "/usr/sbin/glibc_post_upgrade"))
-				otherFi->actions[otherFileNum] = FA_SKIP;
+				otherFi->actions[otherFileNum] = FA_SKIPCOLOR;
 			}
 			fi->actions[i] = FA_CREATE;
 			rConflicts = 0;
 		    } else
-		    if (oFColor & 0x2) {
-			/* ... first Elf64 file is installed ... */
+		    if (oFColor & prefcolor) {
+			/* ... first file of preferred colour is installed ... */
 			if (XFA_SKIPPING(fi->actions[i]))
 			    otherFi->actions[otherFileNum] = FA_CREATE;
 			fi->actions[i] = FA_SKIPCOLOR;
--- rpm-4.4.2/lib/rpmts.c.prefer32	2005-02-13 03:12:03.000000000 +0000
+++ rpm-4.4.2/lib/rpmts.c	2007-04-25 12:37:45.000000000 +0100
@@ -1475,6 +1475,11 @@ uint_32 rpmtsSetColor(rpmts ts, uint_32 
     return ocolor;
 }
 
+uint_32 rpmtsPrefColor(rpmts ts)
+{
+    return (ts != NULL ? ts->prefcolor : 0);
+}
+
 rpmop rpmtsOp(rpmts ts, rpmtsOpX opx)
 {
     rpmop op = NULL;
@@ -1554,6 +1559,7 @@ rpmts rpmtsCreate(void)
     ts->delta = 5;
 
     ts->color = rpmExpandNumeric("%{?_transaction_color}");
+    ts->prefcolor = rpmExpandNumeric("%{?_prefer_color}")?:2;
 
     ts->numRemovedPackages = 0;
     ts->allocedRemovedPackages = ts->delta;
--- rpm-4.4.2/lib/rpmts.h.prefer32	2005-01-04 16:35:05.000000000 +0000
+++ rpm-4.4.2/lib/rpmts.h	2007-04-25 12:33:39.000000000 +0100
@@ -309,6 +309,7 @@ struct rpmts_s {
     int_32 tid;			/*!< Transaction id. */
 
     uint_32 color;		/*!< Transaction color bits. */
+    uint_32 prefcolor;		/*!< Preferred file color. */
 
     rpmVSFlags vsflags;		/*!< Signature/digest verification flags. */
 
@@ -983,6 +984,14 @@ uint_32 rpmtsColor(rpmts ts)
 	/*@*/;
 
 /**
+ * Retrieve prefered file color
+ * @param ts		transaction set
+ * @return		color bits
+ */
+uint_32 rpmtsPrefColor(rpmts ts)
+	/*@*/;
+
+/**
  * Set color bits of transaction set.
  * @param ts		transaction set
  * @param color		new color bits