If I recall correctly, dynamic linking/shared library support is not yet available for OSX, as the Industrial Haskell Group does not have any knowledge of OSX (but is willing to pay someone who does to do the work).
2010/1/4 Jean-Denis Koeck <jdko...@gmail.com>: > Hello, > I'm using the following cabal file to build a shared library with ghc: > > Build-Type: Simple > Executable libmylibrary.dll > If os(windows) > CPP-Options: -DWIN32 > Extensions: ForeignFunctionInterface > Build-Depends: ... > Main-Is: libmylibrary.hs > Ghc-Options: -W --make -no-hs-main -optl-shared -optl-s -O2 > > The resulting library is called from a C++ graphical user interface (using > Qt), > which worked great so far on Windows and Linux. > > However, the compilation fails on MacOS X: > > Undefined symbols: > "_ZCMain_main_closure", referenced from: > _ZCMain_main_closure$non_lazy_ptr in libHSrts.a(Main.o) > "___stginit_ZCMain", referenced from: > ___stginit_ZCMain$non_lazy_ptr in libHSrts.a(Main.o) > ld: symbol(s) not found > collect2: ld returned 1 exit status > > I don't know much about shared libraries, even less about them on MacOS X :( > Any idea ? > > Jean-Denis Koeck > > _______________________________________________ > Haskell-Cafe mailing list > Haskell-Cafe@haskell.org > http://www.haskell.org/mailman/listinfo/haskell-cafe > > -- Ivan Lazar Miljenovic ivan.miljeno...@gmail.com IvanMiljenovic.wordpress.com Joan Crawford - "I, Joan Crawford, I believe in the dollar. Everything I earn, I spend." - http://www.brainyquote.com/quotes/authors/j/joan_crawford.html _______________________________________________ Haskell-Cafe mailing list Haskell-Cafe@haskell.org http://www.haskell.org/mailman/listinfo/haskell-cafe