On Tue, Aug 2, 2011 at 9:18 AM, Ryan Harter <ryanjhar...@gmail.com> wrote:
> Those of you that are regulars on the list probably recognize me by now. > I've been working on getting Etoile compiled for a while now. I've talked > to Greg at GNUstep about the same issues on their side, the high barrier to > entry that is, and he agreed that it was an issue and suggested that I > mention something here. > > I don't want to just complain, and I certainly don't want to give the > impression that I don't think you guys are doing some really cool things, as > that wouldn't be very productive. That's why I've been taking detailed > notes the whole way through so I can attempt to write (or add to the > existing) documentation with version numbers, compile flags, etc, to make > the process easier for others. Eventually I'd like to get past that and > into helping out on the Frameworks/Apps. > > I've been following the instructions on the web site, and learning lots of > required minor tweaks along the way, but still need some help on two main > issues. > > *First of all*, and this could be that I have some weird version of sudo, > the -E flag on sudo doesn't seem to work for me. I get complaints about > GNUstep tools not being in my path. That's not a big deal, I just open a > new terminal, sudo -i, source the GNUstep scripts, and leave it up for all > of my 'make install's. > > man sudo shows: > > -E The -E (preserve environment) option will override the > env_reset option in sudoers(5)). > It is only available when either the matching command > has the SETENV tag or the setenv > option is set in sudoers(5). > > Perhaps I don't hav the setenv option set in sudoers, I'll check later. > > *Secondly*, I've installed GNUstep and libobjc2 exactly as instructed > (several times). I've compiled and installed GNUstep make, compiled and > installed libobjc2, recompiled and installed GNUstep make so that it builds > with libobjc2, then compiled and installed the rest of the GNUstep > components. I've even tried recompiling and installing llvm/clang after > having libobjc2 installed. Still, once I get to running make in Etoile, I > get through most projects, then I get this: > > Making all for subproject bindings... > Compiling file poppler_objc.m ... > g++: poppler_objc.m: Objective-C compiler not installed on this system > make[5]: *** [obj/bindings.obj/poppler_objc.m.o] Error 1 > make[4]: *** [internal-subproject-all_] Error 2 > make[3]: *** [bindings.all.subproject.variables] Error 2 > make[2]: *** [PopplerKit.all.framework.variables] Error 2 > make[1]: *** [internal-all] Error 2 > make: *** [internal-all] Error 2 > > I'm not sure why clang thinks there isn't an Objective C compiler > installed. Is that even clang? I noticed the line starts with g++. Do I > have to set an environment variable, in addition to CC, to tell the system > to use clang instead of g++ as well? > I did find that "export CXX=clang" fixes this issue. It looks like g++ was still being used for poppler. Now, I'm running into issues with Melodie: Linking app Melodie ... clang: warning: argument unused during compilation: '-shared-libgcc' /home/ryan/Etoile/Build/libMediaKit.so: undefined reference to `av_seek_frame' /home/ryan/Etoile/Build/libMediaKit.so: undefined reference to `av_open_input_file' /home/ryan/Etoile/Build/libMediaKit.so: undefined reference to `av_read_frame' /home/ryan/Etoile/Build/libMediaKit.so: undefined reference to `av_close_input_file' /home/ryan/Etoile/Build/libMediaKit.so: undefined reference to `avcodec_decode_audio3' /home/ryan/Etoile/Build/libMediaKit.so: undefined reference to `av_find_stream_info' /home/ryan/Etoile/Build/libMediaKit.so: undefined reference to `av_register_all' /home/ryan/Etoile/Build/libMediaKit.so: undefined reference to `avcodec_open' /home/ryan/Etoile/Build/libMediaKit.so: undefined reference to `dump_format' /home/ryan/Etoile/Build/libMediaKit.so: undefined reference to `avcodec_find_decoder' /home/ryan/Etoile/Build/libMediaKit.so: undefined reference to `av_free_packet' clang: error: linker command failed with exit code 1 (use -v to see invocation) make[6]: *** [Melodie.app/./Melodie] Error 1 I'm guessing this is related to the version of ffmpeg (libavcodec/libavformat) I'm using. I've installed version 0.7.2 since "It contains almost all features and bugfixes of 0.8.1 while being compatible with the 0.6 ABI and API." I think I'll try an older version and see if that fixes it. > > I was briefly able to get past this, but somewhere in my recompiling the > workaround escaped me. So much for my detailed notes :) > > Thanks again for all of your help, > Ryan >
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