diff -r d3e0f51e3821 -r d51e263e607b mrtg/mrtg.spec
--- a/mrtg/mrtg.spec	Sun Apr 05 01:38:50 2009 +0200
+++ b/mrtg/mrtg.spec	Mon Apr 06 12:42:11 2009 +0200
@@ -32,7 +32,7 @@
 Group:        Monitoring
 License:      GPL
 Version:      2.16.2
-Release:      20090404
+Release:      20090405
 
 #   list of sources
 Source0:      http://oss.oetiker.ch/mrtg/pub/mrtg-%{version}.tar.gz
@@ -65,6 +65,7 @@
     %setup -q
     %{l_shtool} subst \
         -e 's;mrtg2";mrtg";g' \
+        -e "s;/usr\(/bin/perl\);%{l_prefix}\1;" \
         bin/*
 
 %build
@@ -116,3 +117,8 @@
 %clean
     rm -rf $RPM_BUILD_ROOT
 
+%preun
+    #   remove log files before erasing
+    [ $1 -eq 0 ] || exit 0
+    rm -f $RPM_INSTALL_PREFIX/var/mrtg/.log* >/dev/null 2>&1 || true
+