Compiling regex-posix on Windows
fox at ucw.cz
Fri Mar 26 08:20:38 EDT 2010
I had a similar problem, ghc 6.12.1, windows 32bit, posix-regex-0.94.1
from hackage. I used libregex.a (and corresponding dll) from Mingw.
My problem was that I could not link an application which imported
I was able to solve it by modifying a line
in package.conf.d/regex-posix-0.94.1blahblah to
(do not forget to ghc-pkg recache after that :)
When I tried importing Text.Regex.Posix in ghci now, it works.
I know adding a line to file in package.conf.d id not The Right Way, it
can be probably fixed in the .cabal file, but I just wanted a quick fix.
Does it work for you?
> Hi all,
> The only problem stalling the release of the Windows installer for the
> new Haskell Platform is the bug in regex-posix. It compiles fine
> (using the libregex.a library from MinGW), but
> fails at runtime with the following error:
> Prelude> import Text.Regex.Posix
> Prelude Text.Regex.Posix> "bar" =~ "(foo|bar)" ::Bool
> Loading package array-0.3.0.0 ... linking ... done.
> Loading package bytestring-0.9.1.5 ... linking ... done.
> Loading package containers-0.3.0.0 ... linking ... done.
> Loading package mtl-188.8.131.52 ... linking ... done.
> Loading package regex-base-0.93.1 ... linking ... done.
> Loading package regex-posix-0.94.1 ... linking ... <interactive>: E:\Program Fil
> es (x86)\Haskell\regex-posix-0.94.1\ghc-6.12.1\HSregex-posix-0.94.1.o: unknown s
> ymbol `_regerror'
> : unable to load package `regex-posix-0.94.1'
> Prelude Text.Regex.Posix>
> Unfortunately, Chris, the maintainer, doesn't have access to a Windows
> machine with GHC currently, and therefore can't help me.
> I'd appreciate any pointers on how to fix this.
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