Index: xinstall.c
===================================================================
--- xinstall.c	(revision 211522)
+++ xinstall.c	(working copy)
@@ -83,6 +83,7 @@
 gid_t gid;
 uid_t uid;
 int dobackup, docompare, dodir, dopreserve, dostrip, nommap, safecopy, verbose;
+int dotold = 0;
 mode_t mode = S_IRWXU | S_IRGRP | S_IXGRP | S_IROTH | S_IXOTH;
 const char *suffix = BACKUP_SUFFIX;
 
@@ -110,7 +111,7 @@
 
 	iflags = 0;
 	group = owner = NULL;
-	while ((ch = getopt(argc, argv, "B:bCcdf:g:Mm:o:pSsv")) != -1)
+	while ((ch = getopt(argc, argv, "B:bCcdf:g:Mm:o:pSsvT")) != -1)
 		switch((char)ch) {
 		case 'B':
 			suffix = optarg;
@@ -158,6 +159,9 @@
 		case 's':
 			dostrip = 1;
 			break;
+		case 'T':
+			dotold = 1;
+			break;
 		case 'v':
 			verbose = 1;
 			break;
@@ -756,9 +760,15 @@
  		}
 
 	if ((gid != (gid_t)-1 || uid != (uid_t)-1) && chown(path, uid, gid))
-		warn("chown %u:%u %s", uid, gid, path);
+		if (dotold)
+			err(1,"chown %u:%u %s", uid, gid, path);
+		else
+			warn("chown %u:%u %s", uid, gid, path);
 	if (chmod(path, mode))
-		warn("chmod %o %s", mode, path);
+		if (dotold)
+			err(1,"chmod %o %s", mode, path);
+		else
+			warn("chmod %o %s", mode, path);
 }
 
 /*
@@ -769,11 +779,11 @@
 usage()
 {
 	(void)fprintf(stderr,
-"usage: install [-bCcpSsv] [-B suffix] [-f flags] [-g group] [-m mode]\n"
+"usage: install [-bCcpSsvT] [-B suffix] [-f flags] [-g group] [-m mode]\n"
 "               [-o owner] file1 file2\n"
-"       install [-bCcpSsv] [-B suffix] [-f flags] [-g group] [-m mode]\n"
+"       install [-bCcpSsvT] [-B suffix] [-f flags] [-g group] [-m mode]\n"
 "               [-o owner] file1 ... fileN directory\n"
-"       install -d [-v] [-g group] [-m mode] [-o owner] directory ...\n");
+"       install -d [-Tv] [-g group] [-m mode] [-o owner] directory ...\n");
 	exit(EX_USAGE);
 	/* NOTREACHED */
 }
Index: install.1
===================================================================
--- install.1	(revision 211522)
+++ install.1	(working copy)
@@ -40,7 +40,7 @@
 .Nd install binaries
 .Sh SYNOPSIS
 .Nm
-.Op Fl bCcMpSsv
+.Op Fl bCcMpSsTv
 .Op Fl B Ar suffix
 .Op Fl f Ar flags
 .Op Fl g Ar group
@@ -48,7 +48,7 @@
 .Op Fl o Ar owner
 .Ar file1 file2
 .Nm
-.Op Fl bCcMpSsv
+.Op Fl bCcMpSsTv
 .Op Fl B Ar suffix
 .Op Fl f Ar flags
 .Op Fl g Ar group
@@ -57,7 +57,7 @@
 .Ar file1 ... fileN directory
 .Nm
 .Fl d
-.Op Fl v
+.Op Fl Tv
 .Op Fl g Ar group
 .Op Fl m Ar mode
 .Op Fl o Ar owner
@@ -160,6 +160,10 @@
 See below for how
 .Nm
 can be instructed to use another program to strip binaries.
+.It Fl T
+do what it's told to do. If modes can't be set, fail with an error code.
+.Nm
+normally just warns if it can't set owner or mode and does not set an error code.
 .It Fl v
 Cause
 .Nm