Revert r289269 for now. After looking at share/zoneinfo/Makefile this could

potentially break non-root installs and we need a better solution, probably
by doing it differently when no UI is involved.

usr.sbin/tzsetup/tzsetup.c

@@ -40,7 +40,6 @@ __FBSDID("$FreeBSD$");
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
-#include <sysexits.h>
 #include <time.h>
 #include <unistd.h>
 
@@ -945,18 +944,23 @@ main(int argc, char **argv)
 	if (argc - optind > 1)
 		usage();
 
-	if (chrootenv != NULL) {
+	if (chrootenv == NULL) {
-		rv = chroot(chrootenv);
+		strcpy(path_zonetab, _PATH_ZONETAB);
-		if (rv != 0)
+		strcpy(path_iso3166, _PATH_ISO3166);
-			err(EX_OSERR, "chroot to %s", chrootenv);
+		strcpy(path_zoneinfo, _PATH_ZONEINFO);
+		strcpy(path_localtime, _PATH_LOCALTIME);
+		strcpy(path_db, _PATH_DB);
+		strcpy(path_wall_cmos_clock, _PATH_WALL_CMOS_CLOCK);
+	} else {
+		sprintf(path_zonetab, "%s/%s", chrootenv, _PATH_ZONETAB);
+		sprintf(path_iso3166, "%s/%s", chrootenv, _PATH_ISO3166);
+		sprintf(path_zoneinfo, "%s/%s", chrootenv, _PATH_ZONEINFO);
+		sprintf(path_localtime, "%s/%s", chrootenv, _PATH_LOCALTIME);
+		sprintf(path_db, "%s/%s", chrootenv, _PATH_DB);
+		sprintf(path_wall_cmos_clock, "%s/%s", chrootenv,
+		    _PATH_WALL_CMOS_CLOCK);
 	}
 
-	strcpy(path_zonetab, _PATH_ZONETAB);
-	strcpy(path_iso3166, _PATH_ISO3166);
-	strcpy(path_zoneinfo, _PATH_ZONEINFO);
-	strcpy(path_localtime, _PATH_LOCALTIME);
-	strcpy(path_db, _PATH_DB);
-	strcpy(path_wall_cmos_clock, _PATH_WALL_CMOS_CLOCK);
 
 	/* Override the user-supplied umask. */
 	(void)umask(S_IWGRP | S_IWOTH);