More portable handling of "(W)". Something strange is going on with

the compat builds; added debug statements.

scripts/xenofarm.sh

@@ -49,11 +49,13 @@ do
 done
 
 if $compat
-then :
+then
+    echo bad: this is a compat build
 else
     rm -rf r
     mkdir r
     exec > r/shlog.txt 2>&1
+    echo good: this is not a compat build
 fi
 
 VERS=`echo lyskom-server*tar.gz|sed s/lyskom-server-//|sed s/.tar.gz//`
@@ -255,7 +257,7 @@ timeecho Collecting results
 # Check for warnings
 if test -f r/make.pass
 then
-    grep -i 'warning\|(w)' r/makelog.txt \
+    egrep -i 'warning|\(w\)' r/makelog.txt \
     | grep -v regex\\.c \
     > r/makewarn.txt
     if test `wc -l < r/makewarn.txt` -gt 0