https://issues.apache.org/bugzilla/show_bug.cgi?id=50578
Summary: Javac task failes when the "target" attribute is
specified as 1.1.
Product: Ant
Version: 1.8.2
Platform: PC
OS/Version: All
Status: NEW
Severity: normal
Priority: P2
Component: Core tasks
AssignedTo: [email protected]
ReportedBy: [email protected]
With Ant 1.8.2, Javac task failes when the "target" attribute is specified as
1.1 and source
attribute is not specified.
Exsample of build.xml.
------------------------------------------------------------------------
<?xml version="1.0"?>
<project default="compile">
<target name="compile">
<javac destdir = "classes" srcdir = "src" target = "1.1"/>
</target>
</project>
------------------------------------------------------------------------
Running the build.xml. (Version of javac is 1.6.0_22.)
------------------------------------------------------------------------
% ant
Buildfile: build.xml
compile:
[javac] build.xml:6: warning: 'includeantruntime' was not set, defaulting
to build.sysclasspath=last; set to false for repeatable builds
[javac] Compiling 1 source file to classes
[javac]
[javac] WARNING
[javac]
[javac] The -source switch defaults to 1.5 in JDK 1.5 and 1.6.
[javac] If you specify -target 1.2 you now must also specify -source 1.1.
[javac] Ant will implicitly add -source 1.1 for you. Please change your
build file.
[javac] javac: invalid source release: 1.1
[javac] Usage: javac <options> <source files>
[javac] use -help for a list of possible options
BUILD FAILED
build.xml:6: Compile failed; see the compiler error output for details.
------------------------------------------------------------------------
Please note that the target attribute value is shown as 1.2.
I investigated the problem: in
org.apache.tools.ant.taskdefs.compilers.DefaultCompilerAdapter,
setImplicitSourceSwitch method is in called as following.
setImplicitSourceSwitch(
(assumeJava15() || assumeJava16()) ? "1.5 in JDK 1.5 and 1.6" : "1.7 in JDK
1.7",
cmd,
s,
t);
But, setImplicitSourceSwitch method is declared as following.
private void setImplicitSourceSwitch(
String defaultDetails,
Commandline cmd,
String target,
String source)
Please note the orders of "target" and "source": the call above passes
parameters in wrong order.
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