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Scala compiler error: unknown option: '-dd'
Scala compiler -help gives more information
Usage: scalac <options | source files>
where possible options include:
-doc Generate documentation
-g Generate debugging info
-nowarn Generate no warnings
-noassert Generate no assertions and assumptions
-verbose Output messages about what the compiler is doing
-classpath <path> Specify where to find user class files
-sourcepath <path> Specify where to find input source files
-bootclasspath <path> Override location of bootstrap class files
-extdirs <dirs> Override location of installed extensions
-d <directory> Specify where to place generated class files
-encoding <encoding> Specify character encoding used by source files
-windowtitle <windowtitle> Specify window title of generated HTML documentation
-documenttitle <documenttitle> Specify document title of generated HTML documentation
-target:<target> Specify which backend to use (jvm-1.5,jvm-1.4,msil,cldc)
-migrate Assist in migrating from Scala version 1.0
-debug Output debugging messages
-statistics Print compiler statistics
-explaintypes Explain type errors in more detail
-resident Compiler stays resident, files to compile are read from standard input
-uniqid Print identifiers with unique names (debugging option)
-printtypes Print tree types (debugging option)
-prompt Display a prompt after each error (debugging option)
-noimports Compile without any implicit imports
-nopredefs Compile without any implicit predefined values
-skip:<phase> Skip <phase>
-check:<phase> Check the tree at start of <phase>
-print:<phase> Print out program after <phase>
-printer:<printer> Printer to use (text,html)
-printfile <file> Specify file in which to print trees
-graph:<phase> Graph the program after <phase>
-browse:<phase> Browse the abstract syntax tree after <phase>
-stop:<phase> Stop after phase <phase>
-log:<phase> Log operations in <phase>
-version Print product version and exit
-help Print a synopsis of standard options
-Xinline Perform inlining when possible
-Xcloselim Perform closure elimination
-Xdce Perform dead code elimination
-Xshowcls <class> Show class info
-Xshowobj <object> Show object info
-Xshowicode Print the generated ICode
-Xgadt enable gadt for classes
-Xlinearizer:<Xlinearizer> Linearizer to use (normal,dfs,rpo)
-Xgenerics Use generic Java types
one error found
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