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h2/build.bat

@@ -3,4 +3,4 @@ if exist bin/org/h2/build/Build.class goto buildOK
 if not exist bin mkdir bin
 javac -sourcepath src/tools -d bin src/tools/org/h2/build/*.java
 :buildOK
-java -cp "bin;target;%JAVA_HOME%/lib/tools.jar" org.h2.build.Build %1
\ No newline at end of file
+java -cp "bin;%JAVA_HOME%/lib/tools.jar;target" org.h2.build.Build %1
\ No newline at end of file

h2/build.sh

+#! /bin/sh
+if [ -z "$JAVA_HOME" ] ; then
+  echo "Error: JAVA_HOME is not defined."
+  exit 1
+fi
+if [ ! -f "bin/org/h2/build/Build.class" ] ; then
+  if [ ! -d "bin" ] ; then
+    md bin
+  fi
+  javac -sourcepath src/tools -d bin src/tools/org/h2/build/*.java
+fi
+java -cp "bin:$JAVA_HOME/lib/tools.jar:target" org.h2.build.Build $@