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    C Extension on OSX crashes SU

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    • thomthomT Offline
      thomthom
      last edited by

      @driven said:

      I can't require /TT_Hampster from TT_Hampster.bundle, I need a load ruby or something,

      TT_Hamster.bundle instead of TT_Hampster.bundle would help...
      ...or was that just a typo in the post?

      Thomas Thomassen — SketchUp Monkey & Coding addict
      List of my plugins and link to the CookieWare fund

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      • D Offline
        driven
        last edited by

        a typo in the post, but I just spotted

        >> require "/Users/thomas/Sketchup Plugins/Vertex Edit/CExt/TT_Hamster"

        to be on the safe side shouldn't your path be
        >> require "/Library/Application\ Support/Google\ SketchUp\ 7/SketchUp/Plugins/Vertex Edit/CExt/TT_Hamster"

        I know some plugins run from other folders quite happily, but for SU it can be a problem...

        just a thought

        john

        learn from the mistakes of others, you may not live long enough to make them all yourself...

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        • thomthomT Offline
          thomthom
          last edited by

          From the IRB it should work regardless.

          @driven said:

          I know some plugins run from other folders quite happily, but for SU it can be a problem...

          Yes, all depending on how they locate their files. My plugin uses the path to the loading .rb as base to determine the subfolders. Works fine on PC.
          I set it up in an isolated folder for development, with the development folder added to the include path.

          But it is strange that you can't even load it from IRB...

          Thomas Thomassen — SketchUp Monkey & Coding addict
          List of my plugins and link to the CookieWare fund

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          • D Offline
            driven
            last edited by

            @thomthom said:

            But it is strange that you can't even load it from IRB...

            I'm not very familiar with IRB, so it probably my error.
            maybe you could give me more specific instruction...

            when I unzip d/l file I put "TT_Hamster.bundle" into my SU plugins folder

            in SU Ruby Console I run your .rb code and get

            > require 'mkmf'
            create_makefile("TT_Hamster")
            Error; #<LoadError; (eval);507;in `require'; no such file to load -- mkmf>
            (eval);507
            (eval);507
            

            so, what am I doing wrong??
            john

            learn from the mistakes of others, you may not live long enough to make them all yourself...

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            • thomthomT Offline
              thomthom
              last edited by

              I'm confused - are you using the SU Ruby Console or the IRB to test it?

              > require 'mkmf'
              Ohhh - now I see. That bit is what I used to compile the extension.

              TT_Hamster.bundle is the compiled result of that.
              You should only need to
              require "TT_Hamster" - this assumes that TT_Hamster.bundle is in the current working directory.

              Thomas Thomassen — SketchUp Monkey & Coding addict
              List of my plugins and link to the CookieWare fund

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              • M Offline
                macumber
                last edited by

                I checked and have a similar problem. I have only been testing my extension in SketchUp on Windows and IRB on Windows/Mac. I'm going to look into it too and will post anything I find here.

                Dan

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                • AdamBA Offline
                  AdamB
                  last edited by

                  @thomthom said:

                  I'm confused - are you using the SU Ruby Console or the IRB to test it?

                  > require 'mkmf'
                  Ohhh - now I see. That bit is what I used to compile the extension.

                  TT_Hamster.bundle is the compiled result of that.
                  You should only need to
                  require "TT_Hamster" - this assumes that TT_Hamster.bundle is in the current working directory.

                  You have to link as a flat namespace otherwise it won't work on OSX.

                  LDSHARED = cc -dynamic -bundle -undefined suppress -flat_namespace

                  Developer of LightUp Click for website

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                  • thomthomT Offline
                    thomthom
                    last edited by

                    👍

                    I don't know at all what that line actually do, but I replaced what was generated by the extconf.rb file:
                    LDSHARED = cc -arch ppc -arch i386 -pipe -bundle -undefined dynamic_lookup

                    Using that line you posted and everything worked great!

                    I need to work out what it is this does. And how this make system works. I could not even recompile without erasing an .o file that was also generated last time I ran make. ❓ 😳

                    Thank you very much Adam! I owe you a cookie!

                    Thomas Thomassen — SketchUp Monkey & Coding addict
                    List of my plugins and link to the CookieWare fund

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                    • thomthomT Offline
                      thomthom
                      last edited by

                      I notice the old line had something in it, -arch ppc - would that have made it compatible with PPC macs?
                      I have an old G4 Mac Mini as well as the Intel Mac. Can I compile on the Intel mac in a manner so that the extension will run on both systems?

                      Thomas Thomassen — SketchUp Monkey & Coding addict
                      List of my plugins and link to the CookieWare fund

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                      • AdamBA Offline
                        AdamB
                        last edited by

                        You'll need to add:

                        "-arch i386 -arch ppc"

                        to CFLAGS and DLDFLAGS

                        This will make the Mac compiler build your code for both PowerPC and Intel CPUs.

                        Developer of LightUp Click for website

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                        • thomthomT Offline
                          thomthom
                          last edited by

                          Thanks! 👍

                          How did you work out that flat namespace is needed for SU Ruby? Since it isn't needed for when you use the normal Ruby?

                          Thomas Thomassen — SketchUp Monkey & Coding addict
                          List of my plugins and link to the CookieWare fund

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                          • thomthomT Offline
                            thomthom
                            last edited by

                            I guess it'd be worth compiling this info into a how-to article...

                            Thomas Thomassen — SketchUp Monkey & Coding addict
                            List of my plugins and link to the CookieWare fund

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                            • N Offline
                              nikus_knx
                              last edited by

                              @thomthom said:

                              I guess it'd be worth compiling this info into a how-to article...

                              Did you do this? I can't found it...

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                              • thomthomT Offline
                                thomthom
                                last edited by

                                @nikus_knx said:

                                @thomthom said:

                                I guess it'd be worth compiling this info into a how-to article...

                                Did you do this? I can't found it...

                                I got a Hello World project tutorial over at BitBucket:
                                https://bitbucket.org/thomthom/sketchup-ruby-c-extension

                                SCF thread related to the tutorial:
                                http://forums.sketchucation.com/viewtopic.php?f=180&t=41077

                                Thomas Thomassen — SketchUp Monkey & Coding addict
                                List of my plugins and link to the CookieWare fund

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