[Haskell-cafe] Panic loading network on windows (GHC 7.6.1)
nominolo at googlemail.com
Sat Oct 6 22:26:16 CEST 2012
Just to explain what's going on. It looks like you are compiling a
module that uses template haskell, which in turn relies on GHCi bits.
In particular, GHCi has a custom linker for loading compiled code.
This linker is very fragile and tends to break whenever the platform
GCC/linker changes. Similar issues happen a lot on OS X, because Apple
tends to change their library formats on most major releases.
The only workaround I can think of is to avoid using GHCi or Template
Haskell, but I understand that's usually very tricky (especially if
one of the dependencies uses TH).
On 6 October 2012 09:57, Henk-Jan van Tuyl <hjgtuyl at chello.nl> wrote:
> On Fri, 05 Oct 2012 17:31:49 +0200, JP Moresmau <jpmoresmau at gmail.com>
>> Hello, I've installed Cabal and cabal-install 1.16 (which required
>> network) on a new GHC 7.6.1 install and everything went well, except
>> now when building a package requiring network I get:
>> Loading package network-188.8.131.52 ... ghc.exe: Unknown PEi386 section name
>> $4' (while processing: c:/ghc/ghc-7.6.1/mingw/lib\libws2_32.a)
>> ghc.exe: panic! (the 'impossible' happened)
>> (GHC version 7.6.1 for i386-unknown-mingw32):
>> loadArchive "c:/ghc/ghc-7.6.1/mingw/lib\\libws2_32.a": failed
> It's a GHC bug and will be solved in GHC 7.6.2, according to:
> Henk-Jan van Tuyl
> Haskell programming
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