X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~yarrgweb/git?p=jarrg-ian.git;a=blobdiff_plain;f=jpctb;h=e04b95682e39124f03c11e7540da67341a9448bc;hp=8b61ed8942f655246b9ac7ff42cea09c40f7655a;hb=3e215518c4173eeb037f7b6247513a980636fb6d;hpb=afbe2cc2cc040e051ee1f55be352db0bf319a8e1

diff --git a/jpctb b/jpctb
index 8b61ed8..e04b956 100755
--- a/jpctb
+++ b/jpctb
@@ -24,7 +24,7 @@
 
 
 usage () { cat <<END
-usage: .../jpctb /path/to/dir/with/PCTB*.jar /path/to/yohoho/yohoho [...]
+usage: .../jpctb /path/to/yohoho/yohoho [...]
 END
 }
 
@@ -73,12 +73,17 @@ fi
 
 yppdir="${yohoho%/*}"
 
+openjdk=/usr/lib/jvm/java-6-openjdk
+
 if [ -x "$yppdir/java/bin/java" ]; then
 	javadir="$yppdir/java"
 elif [ x"$JAVA_HOME" != x ] && [ -x "$JAVA_HOME/bin/java" ]; then
 	javadir="$JAVA_HOME"
+elif [ -x $openjdk/bin/java ]; then
+	javadir=$openjdk
 else
-	fail "could not find java runtime system"
+	fail "could not find java runtime system
+ please check that $yppdir/java points to your Java installation"
 fi
 
 case "$javadir" in