I had the same problem before (on OSX too). The cause was that I was trying to load 32bits libraries running 64bits factor. When I recompiled factor for 32bits the libraries loaded fine.
On Tue, Jul 14, 2009 at 10:37 PM, Glenn Tarcea<[email protected]> wrote: > Hi, > > I had some working alien code that I haven't touched in a while. I'm > back at it getting it to compile and trying to test it. Unfortunately > I can't get Factor to recognize my DLL libraries. Is there something > that has changed with the way the libraries should be built/recognized > on MacOSX? > > For example, the following library used to load: > > /usr/local/BerkeleyDB.4.5/lib/libdb-4.5.dylib > > If I run "file" on it I get: > libdb-4.5.dylib: Mach-O dynamically linked shared library i386 > > However, if I do the following: > > "/usr/local/BerkeleyDB.4.5/lib/libdb-4.5.dylib" dlopen dll-valid? > I always get false. > > I tried loading a very simple library that I created myself to test > things. The c code is: > > int myfunc() > { > return 53 ; > } > > > I build it as: > cc -fno-common -c tester.c > cc -dynamiclib -install_name tester.dylib -o tester.dylib tester.o > > My FFI Interface is: > ======== > USING: alien alien.libraries alien.syntax combinators kernel system ; > > IN: berkeleydb.ffitest > > << "tester" { > { [ os winnt? ] [ "libdb.dll" "stdcall" ] } > { [ os macosx? ] [ "/usr/local/ffitest/tester.dylib" "cdecl" add- > library ] } > { [ os unix? ] [ "libbdb.so" "cdecl" ] } > [ "OS Not supported" throw ] > } cond >> > > LIBRARY: tester > > FUNCTION: int myfunc ( ) ; > ============ > > Factor won't recognize this library either (with dlopen and dll- > valid?). Nor will it execute the myfunc word, instead it always > complains that a symbol or library is missing (which makes sense since > it doesn't seem to recognize tester.dylib as a valid library). > > If I just link an C program with the library, it will run (program is > not statically linked). > > Thanks, > > Glenn > > V. Glenn Tarcea > [email protected] > > > ------------------------------------------------------------------------------ > Enter the BlackBerry Developer Challenge > This is your chance to win up to $100,000 in prizes! For a limited time, > vendors submitting new applications to BlackBerry App World(TM) will have > the opportunity to enter the BlackBerry Developer Challenge. See full prize > details at: http://p.sf.net/sfu/Challenge > _______________________________________________ > Factor-talk mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/factor-talk > ------------------------------------------------------------------------------ Enter the BlackBerry Developer Challenge This is your chance to win up to $100,000 in prizes! For a limited time, vendors submitting new applications to BlackBerry App World(TM) will have the opportunity to enter the BlackBerry Developer Challenge. See full prize details at: http://p.sf.net/sfu/Challenge _______________________________________________ Factor-talk mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/factor-talk
