GHC panic due to bindnow linker flag
As explained in #10458 our haskell-opencv library failed to build on NixOS-16.09 due to its recently introduced hardening features. Specifically the problem is that NixOS is setting the -z bindnow linker flag which causes the build to fail with:
...
[33 of 64] Compiling OpenCV.Internal.Core.Types.Mat ( src/OpenCV/Internal/Core/Types/Mat.hs, dist/build/OpenCV/Internal/Core/Types/Mat.o )
<no location info>: error:
ghc: panic! (the 'impossible' happened)
(GHC version 8.0.1 for x86_64-unknown-linux):
Loading temp shared object failed: /run/user/1001/ghc8697_0/libghc_200.so: undefined symbol: inline_c_OpenCV_Internal_Exception_1_2402dbf3aea4f7f79392b71ed42618962a22e9aaFortunately this flag can be disabled so I'm now able to build the library successfully. However, it would be nice if GHC is able to work around this.
Trac metadata
| Trac field | Value |
|---|---|
| Version | 8.0.1 |
| Type | Bug |
| TypeOfFailure | OtherFailure |
| Priority | low |
| Resolution | Unresolved |
| Component | Compiler |
| Test case | |
| Differential revisions | |
| BlockedBy | |
| Related | |
| Blocking | |
| CC | |
| Operating system | |
| Architecture |