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    Please do not post a support request without first reading and following the advice in https://retropie.org.uk/forum/topic/3/read-this-first

    After the last update of Retropie for RP4 - Could not successfully build lr-flycast

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    lr-flycasterror build
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    • DarksaviorD
      Darksavior @BuZz
      last edited by

      @BuZz It builds but games won't run. I tried a few other games with the same results.

      Executing: /opt/retropie/emulators/retroarch/bin/retroarch -L /opt/retropie/libretrocores/lr-flycast/flycast_libretro.so </dev/null --config /opt/retropie/configs/dreamcast/retroarch.cfg "/home/pi/RetroPie/roms/dreamcast/Marvel vs. Capcom 2.chd" --appendconfig /dev/shm/retroarch.cfg
      /opt/retropie/supplementary/runcommand/runcommand.sh: line 1247:  3665 Bus error               /opt/retropie/emulators/retroarch/bin/retroarch -L /opt/retropie/libretrocores/lr-flycast/flycast_libretro.so --config /opt/retropie/configs/dreamcast/retroarch.cfg "/home/pi/RetroPie/roms/dreamcast/Marvel vs. Capcom 2.chd" --appendconfig /dev/shm/retroarch.cfg < /dev/null```
      BuZzB 1 Reply Last reply Reply Quote 0
      • BuZzB
        BuZz administrators @Darksavior
        last edited by

        @Darksavior it was ok here. But I'll retest in case I messed up. Rpi4 right?

        To help us help you - please make sure you read the sticky topics before posting - https://retropie.org.uk/forum/topic/3/read-this-first

        DarksaviorD 1 Reply Last reply Reply Quote 0
        • DarksaviorD
          Darksavior @BuZz
          last edited by Darksavior

          @BuZz Yes, I'll rebuild again just in case. My only mod to building is -j4 if it matters.

          BuZzB 1 Reply Last reply Reply Quote 0
          • BuZzB
            BuZz administrators @Darksavior
            last edited by

            @Darksavior it shouldn't if it built without failure. Maybe sure any overclocking is disabled also. I just rebuilt it here with a fresh checkout but not tested as I have another large compile job I'm waiting to finish first.

            To help us help you - please make sure you read the sticky topics before posting - https://retropie.org.uk/forum/topic/3/read-this-first

            1 Reply Last reply Reply Quote 0
            • BuZzB
              BuZz administrators
              last edited by BuZz

              I fixed an issue with the linking stage (the core is set to do link time optimisation), but it wasn't passing the processor flags which gave loads of warnings as it was linking with -march=armv6 . Technically this should improve things though. Possibly even performance (although I'm unsure as I'm unfamiliar with lto). Before it threw up lots of warnings about deprecated arm code, which does point to the the final binary not being optimised for armv8. So if anything performance should be better.

              I just tested with ikaruga and it worked fine here. Your error looks like it may be due to unstable overclock. I've seen similar errors before.

              To help us help you - please make sure you read the sticky topics before posting - https://retropie.org.uk/forum/topic/3/read-this-first

              DarksaviorD 1 Reply Last reply Reply Quote 0
              • DarksaviorD
                Darksavior @BuZz
                last edited by Darksavior

                @BuZz I found the problem. Chd seems to be broken. None of my chd's work. I tested the gdi version of the same game and it works. I also tried a cdi game and that works. I'll rebuild again with your new changes.

                Redream loads my chd's just fine so the games work.

                BuZzB 2 Replies Last reply Reply Quote 0
                • BuZzB
                  BuZz administrators @Darksavior
                  last edited by

                  @Darksavior maybe another recent change broke CHD. Please email me a link to a test file (see my profile for email), and I'll work out when it broke, or if my change caused it.

                  To help us help you - please make sure you read the sticky topics before posting - https://retropie.org.uk/forum/topic/3/read-this-first

                  1 Reply Last reply Reply Quote 0
                  • BuZzB
                    BuZz administrators @Darksavior
                    last edited by BuZz

                    @Darksavior no new changes since you last built. That was a change I did earlier. Sorry for confusion, was just detailing what I changed earlier apart from rolling back the code a few commits.

                    To help us help you - please make sure you read the sticky topics before posting - https://retropie.org.uk/forum/topic/3/read-this-first

                    DarksaviorD 1 Reply Last reply Reply Quote 0
                    • DarksaviorD
                      Darksavior @BuZz
                      last edited by Darksavior

                      @BuZz Sorry for the delay. Sent. I don't remember when I last built flycast that worked with chd. It was either earlier this week or last week.
                      Looks like it just got reported as a problem: https://github.com/libretro/flycast/issues/816

                      BuZzB 2 Replies Last reply Reply Quote 0
                      • BuZzB
                        BuZz administrators @Darksavior
                        last edited by

                        @Darksavior that's good in a way as it means I didn't break it :-)

                        I'll bisect it and maybe roll back/revert whatever broke it until it's fixed upstream.

                        To help us help you - please make sure you read the sticky topics before posting - https://retropie.org.uk/forum/topic/3/read-this-first

                        1 Reply Last reply Reply Quote 2
                        • BuZzB
                          BuZz administrators @Darksavior
                          last edited by BuZz

                          @Darksavior I didn't manage to build a revision that worked with a Dreamcast CHD (didn't try Naomi). Some older revisions didn't crash but just didn't recognise it. I'll revisit this but best bet is to wait for upstream to fix the various issues for now I guess.

                          To help us help you - please make sure you read the sticky topics before posting - https://retropie.org.uk/forum/topic/3/read-this-first

                          1 Reply Last reply Reply Quote 0
                          • S
                            SartreFan
                            last edited by

                            Had the same issue with lr-Flycast and runncommand log points to line 1247 of the runcommand but it seems unrelated. I did notice this on line 1227:

                            if [[ "$(ps -o comm= -p $(ps -o ppid= -p $PPID))" != "emulationstatio" ]]; then
                            

                            Is that supposed to be "emulationstation" instead of "emulationstatio"?

                            BuZzB 1 Reply Last reply Reply Quote 0
                            • BuZzB
                              BuZz administrators @SartreFan
                              last edited by

                              @SartreFan that's unrelated (and the missing n is intentional).

                              To help us help you - please make sure you read the sticky topics before posting - https://retropie.org.uk/forum/topic/3/read-this-first

                              T hostolisH 2 Replies Last reply Reply Quote 1
                              • T
                                tackett1980 @BuZz
                                last edited by

                                @BuZz

                                Im having the same problem just tried it.

                                BuZzB 1 Reply Last reply Reply Quote 0
                                • BuZzB
                                  BuZz administrators @tackett1980
                                  last edited by

                                  @tackett1980 which problem? Please be specific and provide information. This thread has had discussion about more than one issue.

                                  To help us help you - please make sure you read the sticky topics before posting - https://retropie.org.uk/forum/topic/3/read-this-first

                                  1 Reply Last reply Reply Quote 0
                                  • D
                                    davidgrohl Banned
                                    last edited by

                                    I installed 4.5.13 and tryied install lr-flycast. I get error while compiling: flycast_libretro.so not found.

                                    mituM T 2 Replies Last reply Reply Quote 0
                                    • mituM
                                      mitu Global Moderator @davidgrohl
                                      last edited by

                                      @davidgrohl Did you update youre RetroPie-Setup script ? Please do so and then re-try to install again - a binary install should be available also.

                                      1 Reply Last reply Reply Quote 0
                                      • T
                                        tackett1980 @davidgrohl
                                        last edited by

                                        @davidgrohl

                                        This is the same error I get. My retropie script was updated before I tried it too.

                                        1 Reply Last reply Reply Quote 0
                                        • BuZzB
                                          BuZz administrators
                                          last edited by BuZz

                                          Can't help without a build log and information about your set up.

                                          To help us help you - please make sure you read the sticky topics before posting - https://retropie.org.uk/forum/topic/3/read-this-first

                                          1 Reply Last reply Reply Quote 0
                                          • R
                                            rejesterd
                                            last edited by

                                            Just noting that I was able to update flycast from source just a moment ago. No build errors this time.

                                            D 1 Reply Last reply Reply Quote 0
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