Undefined symbol during linking
On OSX, using GHC 7.6.3 and the package recursion-schemes 3.0.0.2, the following code causes the compiler to emit an error about undefined symbols.
Code:
import Data.Functor.Foldable
x = project 1 :: Integer
main = x `seq` return ()Error:
λ ~/ ghc test.hs
Linking test ...
Undefined symbols for architecture x86_64:
"_Main_x_closure", referenced from:
_Main_main_info in test.o
_Main_main_srt in test.o
ld: symbol(s) not found for architecture x86_64
collect2: ld returned 1 exit statusTrac metadata
| Trac field | Value |
|---|---|
| Version | 7.6.3 |
| Type | Bug |
| TypeOfFailure | OtherFailure |
| Priority | normal |
| Resolution | Unresolved |
| Component | Compiler |
| Test case | |
| Differential revisions | |
| BlockedBy | |
| Related | |
| Blocking | |
| CC | |
| Operating system | Unknown/Multiple |
| Architecture | Unknown/Multiple |
