This actually does what I want:
<?xml version="1.0" encoding="UTF-8"?>
<project name="test" default="t" basedir=".">
<path id="p">
<fileset dir="a"/>
<fileset dir="b"/>
</path>
<target name="t">
<javac srcdir="." sourcepathref="p"/>
</target>
</project>
The problem is that I don’t really want to specify srcdir, but if I leave it
out, the build fails (see below).
I would need to create a fake directory to use as srcdir to be sure that I
don’t accidentally compile unwanted sources.
Apache Ant(TM) version 1.10.14 compiled on August 16 2023
Trying the default build file: build.xml
Buildfile: /Users/alan/testAnt1/build.xml
Detected Java version: 21 in:
/Library/Java/JavaVirtualMachines/jdk-21.0.1.jdk/Contents/Home
Detected OS: Mac OS X
parsing buildfile /Users/alan/testAnt1/build.xml with URI =
file:/Users/alan/testAnt1/build.xml
Project base dir set to: /Users/alan/testAnt1
parsing buildfile
jar:file:/Users/alan/.ant/lib/vbuilder-ant-uber-1.0-SNAPSHOT.jar!/org/apache/tools/ant/antlib.xml
with URI =
jar:file:/Users/alan/.ant/lib/vbuilder-ant-uber-1.0-SNAPSHOT.jar!/org/apache/tools/ant/antlib.xml
from a zip file
parsing buildfile
jar:file:/usr/local/ant/lib/ant.jar!/org/apache/tools/ant/antlib.xml with URI =
jar:file:/usr/local/ant/lib/ant.jar!/org/apache/tools/ant/antlib.xml from a zip
file
Build sequence for target(s) `t' is [t]
Complete build sequence is [t, ]
t:
BUILD FAILED
/Users/alan/testAnt1/build.xml:11: either srcdir or modulesourcepath attribute
must be set!
at org.apache.tools.ant.taskdefs.Javac.checkParameters(Javac.java:1309)
at org.apache.tools.ant.taskdefs.Javac.execute(Javac.java:1080)
at org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:299)
at
java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
at java.base/java.lang.reflect.Method.invoke(Method.java:580)
at
org.apache.tools.ant.dispatch.DispatchUtils.execute(DispatchUtils.java:99)
at org.apache.tools.ant.Task.perform(Task.java:350)
at org.apache.tools.ant.Target.execute(Target.java:449)
at org.apache.tools.ant.Target.performTasks(Target.java:470)
at org.apache.tools.ant.Project.executeSortedTargets(Project.java:1401)
at org.apache.tools.ant.Project.executeTarget(Project.java:1374)
at
org.apache.tools.ant.helper.DefaultExecutor.executeTargets(DefaultExecutor.java:41)
at org.apache.tools.ant.Project.executeTargets(Project.java:1264)
at org.apache.tools.ant.Main.runBuild(Main.java:818)
at org.apache.tools.ant.Main.startAnt(Main.java:223)
at org.apache.tools.ant.launch.Launcher.run(Launcher.java:284)
at org.apache.tools.ant.launch.Launcher.main(Launcher.java:101)
Total time: 0 seconds
> On Dec 19, 2023, at 10:17 PM, Jaikiran Pai <jaiki...@apache.org> wrote:
>
> Hello Alan,
>
> It's hard to say what's going on. Do you have a build file (or a snippet) to
> show what issue you are running into?
>
> Which version of Java and Ant is this showing up on?
>
> -Jaikiran
>
> On 18/12/23 1:44 am, Alan Snyder wrote:
>> I know of a couple of ways to run javac on more than one source tree.
>>
>> One way is to use nested src elements.
>>
>> Another way is like this:
>>
>> srcdir="${src}:${src2}”
>>
>> I would like to generalize this solution to a dynamicly determined list of
>> source trees.
>>
>> I thought that I could use srcpath for this purpose, but the task would fail
>> if srcdir was not specified or it did not identify a valid directory.
>> That restriction defeats my purpose.
>>
>> Is there a solution?
>>
>> Is the inability to use srcpath by itself a bug?
>>
>> Thank you.
>>
>>
>> ---------------------------------------------------------------------
>> To unsubscribe, e-mail: user-unsubscr...@ant.apache.org
>> For additional commands, e-mail: user-h...@ant.apache.org
>>
>
> ---------------------------------------------------------------------
> To unsubscribe, e-mail: user-unsubscr...@ant.apache.org
> For additional commands, e-mail: user-h...@ant.apache.org
>
