ghc --make -no-hs-main -o fails
This is a very special case, I admit, but anyway:
I use
ghc --make -no-hs-main Haskell.hs c.o -o program
to link a program, where c.o is a c object file
defining main, and it calls functions in Haskell.hs. I
want it to link correctly. However ghc complains:
Warning: output was redirected with -o, but no output
will be generated because there is no Main module.
This is even though there is the flag -no-hs-main.
If i create a dummy Main module like this:
module Main where
import Haskell
main = undefined
and do
ghc --make -no-hs-main Main.hs c.o -o program
the program compiles and work fine.
Since there is this workaround I don't think it's a
serious bug, because it's a rare case, but I thought
you'd want to know anyway.
Trac metadata
Trac field |
Value |
Version |
5.04.2 |
Type |
Bug |
TypeOfFailure |
OtherFailure |
Priority |
normal |
Resolution |
ResolvedFixed |
Component |
Driver |
Test case |
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Differential revisions |
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BlockedBy |
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Related |
|
Blocking |
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CC |
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Operating system |
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Architecture |
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