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From bugzi...@apache.org
Subject DO NOT REPLY [Bug 32948] New: - javac task passes -source option to javac 1.2/1.1 which does not support -source option
Date Wed, 05 Jan 2005 06:42:08 GMT
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http://issues.apache.org/bugzilla/show_bug.cgi?id=32948

           Summary: javac task passes -source option to javac 1.2/1.1 which
                    does not support -source option
           Product: Ant
           Version: 1.7Alpha (nightly)
          Platform: PC
        OS/Version: Windows XP
            Status: NEW
          Severity: normal
          Priority: P3
         Component: Core tasks
        AssignedTo: dev@ant.apache.org
        ReportedBy: hirano-s@aist.go.jp


Thanks for your efforts.

Problem:

Javac 1.1, 1.2 and 1.3 don't support -source option.
The javac task passes -source option to javac when compiler="javac1.2" or 
compiler="javac1.1" with fork="yes" and executable="/path/javac".
According to the manual, even with fork="yes", it should not pass -source 
option.

Here is an example which should succeed, but fails actually.

  <javac srcdir="." source="1.3" compiler="javac1.2" fork="yes"
    executable="/path/javac"/>

  will generate an error message like;

    javac: -source is an invalid option.

Cause:

DefaultCompilerAdoptor.setupModernJavacCommandlineSwitches() called from 
JavacExternal.java passes -source when !assumeJava13().

Resolution:

That should be !assumeJava13() && !assumeJava12() && !assumeJava11().

Patch and Test:

I'll attach a patch to the CVS HEAD and a test build file which works fine 
with all JDK versions.
Note that the modification does not affect to any other java compilers such as 
Jikes and GCJ.

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