I filed a ticket for this issue: http://ghc.haskell.org/trac/ghc/ticket/8414
-Andi On Sat, Oct 5, 2013 at 11:56 AM, Andreas Voellmy <[email protected]>wrote: > Christiaan suggested that I try cabal installing > "--disable-library-vanilla" which I combined with --enable-shared. It > almost works. It causes ghc to only create the dynamic libraries. However, > ghc-pkg register fails with the error: > > /usr/local/bin/ghc-pkg update - --global --user > --package-db=dist/package.conf.inplace > cabal: TestLib-0.1.0.0: cannot find libHSTestLib-0.1.0.0.a on library path > (use --force to override) > Failed to install TestLib-0.1.0.0 > > It seems that ghc-pkg thinks that we must have the .a files to register > the package. (I scanned the ghc-pkg source and it looks like checkHSLib is > where this check happens.) > > So, is the check in ghc-pkg really correct? I.e. the package would be > unusable without the .a file? Or would this be OK, so we really should > change ghc-pkg? > > -Andi > > > > > On Fri, Oct 4, 2013 at 6:35 PM, Andreas Voellmy <[email protected] > > wrote: > >> Hi all, >> >> Is it possible to have a Haskell package that only includes a dynamic >> library and .dyn_hi files? I.e. it would omit the .o and .a files? I tried >> building a library using cabal and --enable-shared. It still includes the >> .o and .a files. >> >> Will builds with "-dynamic" and loading modules in ghci work correctly if >> I just delete the .o and .a files? I did a few experiments and it seems to >> work OK, although it seems that things break if I delete the .hi files, >> even though I'd expect only the .dyn_hi files would be used. >> >> -Andi >> > >
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