build: configure rsyslog at run-time, not build-time

Signed-off-by: Alessandro Rubini <rubini@gnudd.com>

build/scripts/wrs_build_wraprootfs

@@ -47,14 +47,6 @@ rm -rf $TMPFS/dev
 (cd $TMPFS && tar xzf $DEVTAR)
 (cd $TMPFS && ln -fs sbin/init .)
 
-if [ "$CONFIG_REMOTE_SYSLOG_UDP" = "y" ]; then
-    sed -i 's/@@remote-host/@remote-host/' $TMPFS/etc/rsyslog.conf
-fi
-if [ ! -z "$CONFIG_REMOTE_SYSLOG_SERVER" ]; then
-    sed -i '/remote-host/ s/^##//' $TMPFS/etc/rsyslog.conf
-    sed -i 's/remote-host/$CONFIG_REMOTE_SYSLOG_SERVER/' $TMPFS/etc/rsyslog.conf
-fi
-
 # Fix SNMP values: for all not-empty configs remove commend and replace value
 cfgfile="$TMPFS/wr/etc/snmpd.conf"
 set | grep CONFIG_SNMP | sed 's/=/ /' | while read varname value; do

userspace/rootfs_override/wr/bin/apply_dot-config

@@ -47,5 +47,15 @@ if [ ! -z "$CONFIG_DNS_SERVER" ]; then
 fi
 copy_conf /etc/resolv.conf /usr/etc/resolv.conf
 
+# rsyslog.conf is created from a template file, and busybox sed has -i
+cp /usr/etc/rsyslog.conf.in $T
+if [ "$CONFIG_REMOTE_SYSLOG_UDP" = "y" ]; then
+    sed -i 's/@@remote-host/@remote-host/' $T
+fi
+if [ ! -z "$CONFIG_REMOTE_SYSLOG_SERVER" ]; then
+    sed -i '/remote-host/ s/^##//' $T
+    sed -i "s/remote-host/$CONFIG_REMOTE_SYSLOG_SERVER/" $T
+fi
+copy_conf /etc/rsyslog.conf /usr/etc/rsyslog.conf