--- rpm-4.0.2/lib/rpmlib.h~	Sun May 26 07:47:04 2002
+++ rpm-4.0.2/lib/rpmlib.h	Sun May 26 07:55:51 2002
@@ -320,6 +320,7 @@
     RPMFILE_GHOST	= (1 << 6),	/*!< from %%ghost */
     RPMFILE_LICENSE	= (1 << 7),	/*!< from %%license */
-    RPMFILE_README	= (1 << 8)	/*!< from %%readme */
+    RPMFILE_README	= (1 << 8),	/*!< from %%readme */
+    RPMFILE_EXCLUDE	= (1 << 9)	/*!< from %%exclude */
 } rpmfileAttrs;
 #define	RPMFILE_MULTILIB_SHIFT		9
 #define	RPMFILE_MULTILIB(N)		((N) << RPMFILE_MULTILIB_SHIFT)
--- rpm-4.0.2/build/files.c~	Sun May 26 07:47:04 2002
+++ rpm-4.0.2/build/files.c	Sun May 26 08:19:18 2002
@@ -685,6 +685,7 @@
 	{ "%dir",	0 },	/* XXX why not RPMFILE_DIR? */
 	{ "%doc",	RPMFILE_DOC },
 	{ "%ghost",	RPMFILE_GHOST },
+	{ "%exclude",	RPMFILE_EXCLUDE },
 	{ "%readme",	RPMFILE_README },
 	{ "%license",	RPMFILE_LICENSE },
 	{ "%multilib",	0 },
@@ -986,12 +987,20 @@
     clp = *cpioList = xmalloc(sizeof(**cpioList) * fl->fileListRecsUsed);
 
     for (flp = fl->fileList, count = fl->fileListRecsUsed; count > 0; flp++, count--) {
-	if ((count > 1) && !strcmp(flp->fileURL, flp[1].fileURL)) {
-	    rpmError(RPMERR_BADSPEC, _("File listed twice: %s\n"),
-		flp->fileURL);
-	    fl->processingFailed = 1;
-	}
+	if ((count > 1) && !strcmp(flp->fileURL, flp[1].fileURL)) {
+	    if (!((flp->flags | flp[1].flags) & RPMFILE_EXCLUDE)) {
+	        rpmError(RPMERR_BADSPEC, _("File listed twice: %s\n"),
+	    	    flp->fileURL);
+	        fl->processingFailed = 1;
+	    } else {
+		flp->flags |= RPMFILE_EXCLUDE;
+		flp[1].flags |= RPMFILE_EXCLUDE;
+	    }
+	}
 
+	/* Skip files that were marked with %exclude. */
+	if (flp->flags & RPMFILE_EXCLUDE) continue;
+	
 	if (flp->flags & RPMFILE_MULTILIB_MASK)
 	    multiLibMask |=
 		(1 << ((flp->flags & RPMFILE_MULTILIB_MASK))