Currently you need to:
1 ) use <ac:var unset="yes" name="destdir"/>
2) use the invent new property based on macro instance trick:
<property name="@{module}-destdir"
value="${workdir}/WEB-INF/classes/com/solbright/@{param1}/servlet"/>
<mkdir dir="[EMAIL PROTECTED]"/>
<javac srcdir="@{module}"
destdir="[EMAIL PROTECTED]"/>
for ant 1.8.0, we are considering implementing a "local" property:
<local name="destdir"/> <!-- makes a local property called
"destdir" -->
<property name="destdir"
value="${workdir}/WEB-INF/classes/com/solbright/@{param1}/servlet"/>
<mkdir dir="$destdir}"/>
<javac srcdir="@{module}"
destdir="${destdir}"/>
Peter
On 8/31/07, David Weintraub <[EMAIL PROTECTED]> wrote:
> Okay,
>
> I've got a quick question. Once a property is set, it can never be
> overridden. (Actually, you can use the AntContrib task 'variable' to
> do this, but...)
>
> I am defining a Maco that looks like this:
>
> <macrodef name="compile">
> <attribute name="module"/>
> <sequential>
> <property name="destdir"
>
> value="${workdir}/WEB-INF/classes/com/solbright/@{param1}/servlet"/>
>
> <mkdir dir="${destdir}"/>
> <javac srcdir="@{module}"
> destdir="${destdir}"/>
> </sequential>
> <macrodef>
>
> When I call the Macro the first time, the property "destdir" will be
> set to the correct value, and everything will be fine.
>
> However, on the second call, the property "destdir" won't be reset
> since you cannot change the value of a property once it is set. The
> files will be built in the wrong place.
>
> How can I get around this issue? I could simply put my destination
> directory in every place, but that means if I change something, I have
> to hunt down all the places where it was set, and change it there. Is
> there a way I can have the property be unset after the macro is
> called?
>
> --
> David Weintraub
> [EMAIL PROTECTED]
>
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