A palpable bug, thank you. Workaround: don't use -O2 when
compiling Offside. It'll be fixed in 5.02.2
Simon
| -Original Message-
| From: Ian Lynagh [mailto:[EMAIL PROTECTED]]
| Sent: 28 December 2001 23:13
| To: [EMAIL PROTECTED]
| Subject: "Failed to find interface decl for `Offside.a1'" with -O2
|
|
|
| Hi guys,
|
| I'm afraid I haven't got a simple test case for this one.
|
| ghc is giving me the error
| Failed to find interface decl for `Offside.a1'
| in a rather large program. I have shown how to reproduce the
| problem below (indenting the output). The code, compiled as
| shown below, is at http://c93.keble.ox.ac.uk/~ian/igl-0.0.8-b1.tar.gz
|
| $ hmake -ghc Project -package lang -O2
| ghc -package lang -O2 -c -o Tokens.o Tokens.lhs
| ghc -package lang -O2 -c -o Tree.o Tree.lhs
| ghc -package lang -O2 -c -o Subject.o Subject.lhs
| ghc -package lang -O2 -c -o PPTeX.o PPTeX.lhs
| ghc -package lang -O2 -c -o Position.o Position.lhs
| ghc -package lang -O2 -c -o Either.o Either.lhs
| ghc -package lang -O2 -c -o PCbase.o PCbase.lhs
| ghc -package lang -O2 -c -o PC.o PC.lhs
| ghc -package lang -O2 -c -o Parser.o Parser.lhs
| ghc -package lang -O2 -c -o Mangle.o Mangle.lhs
| ghc -package lang -O2 -c -o Sort.o Sort.lhs
| ghc -package lang -O2 -c -o FiniteMap.o FiniteMap.lhs
| ghc -package lang -O2 -c -o IA.o IA.lhs
| ghc -package lang -O2 -c -o Offside.o Offside.lhs
|
| Offside.lhs:116: Warning: Pattern match(es) are overlapped
| In the definition of `step': step _ pos [] _ = ...
| ghc -package lang -O2 -c -o Scanner.o Scanner.lhs
| ghc -package lang -O2 -c -o Args.o Args.lhs
| ghc -package lang -O2 -c -o Project.o Project.lhs
|
| Project.lhs:4:
| Failed to find interface decl for `Offside.a1'
| from module `Offside'
|
| Project.lhs:4:
| Failed to find interface decl for `Offside.a3'
| from module `Offside'
| $ ghc -package lang -O -c -o Project.o Project.lhs
|
| Project.lhs:4:
| Failed to find interface decl for `Offside.a1'
| from module `Offside'
|
| Project.lhs:4:
| Failed to find interface decl for `Offside.a3'
| from module `Offside'
| $ ghc -package lang -c -o Project.o Project.lhs
| $
|
|
| Thanks
| Ian
|
|
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