Thank you both for your quick responses, this makes the situation more clear. Is it possible to resolve the problems I am having compiling FlightGear using the method fred suggested? I have tried looking for a similar line in the FlightGear makefiles but can't find one?
Thanks again, Chris On Tue, 2010-08-03 at 14:01 -0500, Curtis Olson wrote: > Hi Chris, > > > I do understand the Debian policy of compiling all libraries as shared > libs, and understand there are many good reasons to have that policy. > However, simgear does not official support being compiled as shared > libs. From a practical standpoint, there really isn't much value in > this. The specific version of SimGear is *very* closely linked to the > specific version of FlightGear, and FlightGear can't run with > mismatched versions. Compiling C++ code into shared libraries can > become a bit snaky due to different name mangling rules between > compilers and even different versions of the same compiler. Very > likely FlightGear is the only application that will ever link to > simgear on a person's system. Developing two closely linked packages > where one is built as a shared lib can be a pain for a couple > different reasons. libtool can be a pain for a couple reasons too. I > realize none of this will cause Debian to want to change it's shared > library policy, but hopefully it shows that our logic isn't completely > random either. > > > FlightGear typically is not opposed to reasonable changes if it helps > someone somewhere without confusing or complicating the code, so if > there are easy, straightforward ways to untangle the interdependencies > you are encountering as shared libs, I don't think we'd flat rule > those out. However, our policy is that SimGear should be compiled as > a static lib, so we aren't going to completely restructure the code > and the build system to directly support building simgear as shared > libraries. > > Regards, > > Curt. > > > > On Tue, Aug 3, 2010 at 1:45 PM, Chris Baines wrote: > Hello, > > I am trying to update the SimGear package in Debian (from > 1.9.1 to > 2.0.0), I have packaged the current version of fgrun and plan > to upload > it, but it only compiles with SimGear (v2.0.0). > > The current Debian Maintainer is as far as I can tell not > active at the > moment, which is why I have ended up trying to upgrade the > package > myself. The Maintainer has included a makefile that takes the > static > libraries and makes them is to shared object libraries. > However these > libraries have circular dependencies that I cant seam to > solve. For > instance the following shared object libraries are > interdependent on > each other: > libsgprops <--> libsgmisc > libsgprops <--> libsgstructure > libsgmaterial <--> libsgutil > libsgtiming <--> libsgstructure > > This prevents me from compiling FlightGear with the package as > it errors > like: > > /usr/lib/gcc/i486-linux-gnu/4.4.5/../../../../lib/libsgstructure.so: > undefined reference to `SGTimeStamp::stamp()' > > Is this something you can help me with? > > Thanks, > > Chris > > > > > > ------------------------------------------------------------------------------ > The Palm PDK Hot Apps Program offers developers who use the > Plug-In Development Kit to bring their C/C++ apps to Palm for > a share > of $1 Million in cash or HP Products. Visit us here for more > details: > http://p.sf.net/sfu/dev2dev-palm > _______________________________________________ > Flightgear-devel mailing list > Flightgear-devel@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/flightgear-devel > > > > -- > Curtis Olson: http://baron.flightgear.org/~curt/ > > ------------------------------------------------------------------------------ > The Palm PDK Hot Apps Program offers developers who use the > Plug-In Development Kit to bring their C/C++ apps to Palm for a share > of $1 Million in cash or HP Products. Visit us here for more details: > http://p.sf.net/sfu/dev2dev-palm > _______________________________________________ Flightgear-devel mailing list > Flightgear-devel@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/flightgear-devel ------------------------------------------------------------------------------ The Palm PDK Hot Apps Program offers developers who use the Plug-In Development Kit to bring their C/C++ apps to Palm for a share of $1 Million in cash or HP Products. Visit us here for more details: http://p.sf.net/sfu/dev2dev-palm _______________________________________________ Flightgear-devel mailing list Flightgear-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/flightgear-devel
