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Author Topic: SDL2 on mac  (Read 6598 times)

xinyiman

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SDL2 on mac
« on: December 26, 2021, 12:27:56 pm »
Hi everyone, I need to compile a project that uses sdl2s on mac. I downloaded the binaries from the link

https://www.libsdl.org/download-2.0.php

I copied the framework to / Library / Frameworks as explained in the readme.txt but it doesn't compile. Tells me:

Code: Pascal  [Select][+][-]
  1. Hint: (11030) Start of reading config file /fpcupdeluxe/installazioni/20210424_stabile/fpc/bin/x86_64-darwin/fpc.cfg
  2. Hint: (11031) End of reading config file /fpcupdeluxe/installazioni/20210424_stabile/fpc/bin/x86_64-darwin/fpc.cfg
  3. Free Pascal Compiler version 3.2.0-r45643 [2021/04/24] for x86_64
  4. Copyright (c) 1993-2020 by Florian Klaempfl and others
  5. (1002) Target OS: Darwin for x86_64
  6. (3104) Compiling trustInvaders.lpr
  7. (9001) Assembling (pipe) /Users/ngit/Downloads/TrustInvaders/lib/x86_64-darwin/trustInvaders.s
  8. (9015) Linking /Users/ngit/Downloads/TrustInvaders/bin/x86_64-darwin/trustInvaders
  9. Undefined symbols for architecture x86_64:
  10.   "_SDL_RenderDrawRect", referenced from:
  11.       _SDLGAMEENEMIES$_$TENEMY_$__$$_DRAW in sdlGameEnemies.o
  12.       _SHOTS$_$TEXPLOSION_$__$$_DRAW in Shots.o
  13.       _SHOTS$_$TSHOT_$__$$_DRAWSHOT in Shots.o
  14.   "_SDL_SetTextureColorMod", referenced from:
  15.       _SCNGAMEPLAY$_$TMENU_$__$$_DRAW in scnGamePlay.o
  16.       _SDLGAMEENEMIES$_$TENEMY_$__$$_DRAW in sdlGameEnemies.o
  17.       _SHOTS$_$TEXPLOSION_$__$$_DRAW in Shots.o
  18.   "_SDL_SetTextureBlendMode", referenced from:
  19.       _SCNMAINMENU$_$TMAINMENUSCENE_$__$$_DOONRENDER$PSDL_RENDERER in scnMainMenu.o
  20.       _SCNGAMEPLAY$_$TMENU_$__$$_DRAW in scnGamePlay.o
  21.   "_SDL_JoystickNameForIndex", referenced from:
  22.       _SDLENGINE$_$TENGINE_$__$$_DOCHECKDEVICES in sdlEngine.o
  23.   "_Mix_PauseMusic", referenced from:
  24.       _SDLGAMESOUND$_$TSOUNDMANAGER_$__$$_STOPMUSIC$LONGINT in sdlGameSound.o
  25.   "_Mix_PlayMusic", referenced from:
  26.       _SDLGAMESOUND$_$TSOUNDMANAGER_$__$$_PLAYMUSIC$LONGINT$LONGINT in sdlGameSound.o
  27.       _SDLGAMESOUND$_$TSOUNDMANAGER_$__$$_STOPMUSIC$LONGINT in sdlGameSound.o
  28.   "_Mix_LoadMUS", referenced from:
  29.       _SDLGAMESOUND$_$TSOUNDMANAGER_$__$$_LOADMUSIC$ANSISTRING$$LONGINT in sdlGameSound.o
  30.   "_Mix_FreeChunk", referenced from:
  31.       _SDLGAMESOUND$_$TSOUNDMANAGER_$__$$_DESTROY in sdlGameSound.o
  32.   "_SDL_JoystickOpen", referenced from:
  33.       _SDLENGINE$_$TENGINE_$__$$_DOCHECKDEVICES in sdlEngine.o
  34.   "_IMG_Load", referenced from:
  35.       _SDLGAMETEXTURE$_$TTEXTUREMANAGER_$__$$_LOADPNGTEXTURE$ANSISTRING$$TTEXTURE in sdlGameTexture.o
  36.   "_TTF_OpenFont", referenced from:
  37.       _SDLGAMETEXT$_$TFONTS_$__$$_LOADFONTS$ANSISTRING in sdlGameText.o
  38.   "_SDL_RenderPresent", referenced from:
  39.       _SDLENGINE$_$TENGINE_$__$$_DORENDER in sdlEngine.o
  40.   "_SDL_SetRenderDrawBlendMode", referenced from:
  41.       _SDLGAMETEXT$_$TTEXTMANAGER_$__$$_DRAW$ANSISTRING$LONGINT$LONGINT$TGAMEFONT in sdlGameText.o
  42.       _SDLGAMETEXT$_$TTEXTMANAGER_$__$$_DRAW$ANSISTRING$LONGINT$LONGINT$TGAMEFONT$BYTE in sdlGameText.o
  43.       _SCNINTRO$_$TINTROSCENE_$__$$_DOONRENDER$PSDL_RENDERER in scnIntro.o
  44.       _SCNMAINMENU$_$TMAINMENUSCENE_$__$$_DOONRENDER$PSDL_RENDERER in scnMainMenu.o
  45.       _SCNGAMEPLAY$_$TGAMEPLAYSCENE_$__$$_DRAWUI in scnGamePlay.o
  46.       _SCNGAMEPLAY$_$TMENU_$__$$_DRAW in scnGamePlay.o
  47.       _SDLPARTICLES$_$TEMITTER_$__$$_DRAW in sdlParticles.o
  48.       ...
  49.   "_SDL_SetTextureAlphaMod", referenced from:
  50.       _SDLGAMETEXT$_$TTEXTMANAGER_$__$$_DRAW$ANSISTRING$LONGINT$LONGINT$TGAMEFONT$BYTE in sdlGameText.o
  51.       _SCNINTRO$_$TINTROSCENE_$__$$_DOONRENDER$PSDL_RENDERER in scnIntro.o
  52.       _SCNMAINMENU$_$TMAINMENUSCENE_$__$$_DOONRENDER$PSDL_RENDERER in scnMainMenu.o
  53.       _SCNGAMEPLAY$_$TMENU_$__$$_DRAW in scnGamePlay.o
  54.       _SHOTS$_$TEXPLOSION_$__$$_DRAW in Shots.o
  55.   "_SDL_RenderCopy", referenced from:
  56.       _SDLGAMETEXT$_$TTEXTMANAGER_$__$$_DRAW$ANSISTRING$LONGINT$LONGINT$TGAMEFONT in sdlGameText.o
  57.       _SDLGAMETEXT$_$TTEXTMANAGER_$__$$_DRAW$ANSISTRING$LONGINT$LONGINT$TGAMEFONT$BYTE in sdlGameText.o
  58.       _SCNINTRO$_$TINTROSCENE_$__$$_DOONRENDER$PSDL_RENDERER in scnIntro.o
  59.       _SCNMAINMENU$_$TMAINMENUSCENE_$__$$_DOONRENDER$PSDL_RENDERER in scnMainMenu.o
  60.       _SCNGAMEPLAY$_$TGAMEPLAYSCENE_$__$$_DRAWUI in scnGamePlay.o
  61.       _SCNGAMEPLAY$_$TMENU_$__$$_DRAW in scnGamePlay.o
  62.       _SDLGAMEPLAYER$_$TPLAYER_$__$$_DRAW in sdlGamePlayer.o
  63.       ...
  64.   "_TTF_RenderUTF8_Blended", referenced from:
  65.       _SDLGAMETEXT$_$TGAMEFONTTEXTURELIST_$__$$_ADD$ANSISTRING$TGAMEFONT$$LONGINT in sdlGameText.o
  66.   "_Mix_PlayChannelTimed", referenced from:
  67.       _SDL2_MIXER_$$_MIX_PLAYCHANNEL$LONGINT$PMIX_CHUNK$LONGINT$$LONGINT in sdl2_mixer.o
  68.   "_SDL_CreateTextureFromSurface", referenced from:
  69.       _SDLGAMETEXT$_$TGAMEFONTTEXTURELIST_$__$$_ADD$ANSISTRING$TGAMEFONT$$LONGINT in sdlGameText.o
  70.       _SDLGAMETEXTURE$_$TTEXTUREMANAGER_$__$$_LOADPNGTEXTURE$ANSISTRING$$TTEXTURE in sdlGameTexture.o
  71.   "_SDL_FreeSurface", referenced from:
  72.       _SDLGAMETEXT$_$TGAMEFONTTEXTURELIST_$__$$_ADD$ANSISTRING$TGAMEFONT$$LONGINT in sdlGameText.o
  73.       _SDLGAMETEXTURE$_$TTEXTUREMANAGER_$__$$_LOADPNGTEXTURE$ANSISTRING$$TTEXTURE in sdlGameTexture.o
  74.   "_SDL_JoystickNumAxes", referenced from:
  75.       _SDLENGINE$_$TENGINE_$__$$_DOCHECKDEVICES in sdlEngine.o
  76.   "_IMG_Init", referenced from:
  77.       _SDLENGINE$_$TENGINE_$__$$_INITIALIZE$LONGINT$LONGINT$ANSISTRING in sdlEngine.o
  78.   "_SDL_DestroyTexture", referenced from:
  79.       _SDLGAMETEXT$_$TGAMEFONTTEXTURELIST_$__$$_DESTROY in sdlGameText.o
  80.   "_SDL_GetError", referenced from:
  81.       _SDLENGINE$_$TENGINE_$__$$_INITIALIZE$LONGINT$LONGINT$ANSISTRING in sdlEngine.o
  82.       _SDL2_IMAGE_$$_IMG_GETERROR$$PCHAR in sdl2_image.o
  83.       _SDL2_MIXER_$$_MIX_GETERROR$$PCHAR in sdl2_mixer.o
  84.       _SDL2_TTF_$$_TTF_GETERROR$$PCHAR in sdl2_ttf.o
  85.       _SDLGAMETEXT$_$TGAMEFONTTEXTURELIST_$__$$_ADD$ANSISTRING$TGAMEFONT$$LONGINT in sdlGameText.o
  86.       _SDLGAMETEXTURE$_$TTEXTUREMANAGER_$__$$_LOADPNGTEXTURE$ANSISTRING$$TTEXTURE in sdlGameTexture.o
  87.   "_SDL_RWFromFile", referenced from:
  88.       _SDL2_MIXER_$$_MIX_LOADWAV$PCHAR$$PMIX_CHUNK in sdl2_mixer.o
  89.   "_SDL_RenderCopyEx", referenced from:
  90.       _SCNINTRO$_$TINTROSCENE_$__$$_DOONRENDER$PSDL_RENDERER in scnIntro.o
  91.       _SCNMAINMENU$_$TMAINMENUSCENE_$__$$_DOONRENDER$PSDL_RENDERER in scnMainMenu.o
  92.       _SCNGAMEPLAY$_$TMENU_$__$$_DRAW in scnGamePlay.o
  93.       _SHOTS$_$TSHOT_$__$$_DRAWSHOT in Shots.o
  94.   "_Mix_LoadWAV_RW", referenced from:
  95.       _SDL2_MIXER_$$_MIX_LOADWAV$PCHAR$$PMIX_CHUNK in sdl2_mixer.o
  96.   "_SDL_GetTicks", referenced from:
  97.       _SDLENGINE$_$TENGINE_$__$$_RUN in sdlEngine.o
  98.       _SDLGAMEUTILS$_$TFPSCOUNTER_$__$$_RESET in sdlGameUtils.o
  99.       _SDLGAMEUTILS$_$TFPSCOUNTER_$__$$_INCREMENT in sdlGameUtils.o
  100.       _SDLSCENE$_$TSCENE_$__$$_DOONUPDATE$REAL in sdlScene.o
  101.       _SDLSCENE$_$TSCENE_$__$$_EXECUTEDELAYED$LONGWORD$TSCENEMETHOD in sdlScene.o
  102.       _SCNINTRO$_$TINTROSCENE_$__$$_CREATE$$TINTROSCENE in scnIntro.o
  103.       _SDLGAMEENEMIES$_$TENEMY_$__$$_UPDATE$REAL in sdlGameEnemies.o
  104.       ...
  105.   "_Mix_FreeMusic", referenced from:
  106.       _SDLGAMESOUND$_$TSOUNDMANAGER_$__$$_DESTROY in sdlGameSound.o
  107.       _SDLGAMESOUND$_$TSOUNDMANAGER_$__$$_FREEMUSIC$LONGINT in sdlGameSound.o
  108.   "_Mix_Quit", referenced from:
  109.       _SDLENGINE$_$TENGINE_$__$$_DESTROY in sdlEngine.o
  110.   "_SDL_Delay", referenced from:
  111.       _SDLENGINE$_$TENGINE_$__$$_RUN in sdlEngine.o
  112.   "_SDL_ShowCursor", referenced from:
  113.       _SDLENGINE$_$TENGINE_$__$$_HIDECURSOR in sdlEngine.o
  114.   "_SDL_RenderDrawLine", referenced from:
  115.       _SCNMAINMENU$_$TMAINMENUSCENE_$__$$_DOONRENDER$PSDL_RENDERER in scnMainMenu.o
  116.       _SCNGAMEPLAY$_$TGAMEPLAYSCENE_$__$$_DRAWUI in scnGamePlay.o
  117.       _SCNGAMEPLAY$_$TMENU_$__$$_DRAW in scnGamePlay.o
  118.   "_SDL_CreateWindow", referenced from:
  119.       _SDLENGINE$_$TENGINE_$__$$_INITIALIZE$LONGINT$LONGINT$ANSISTRING in sdlEngine.o
  120.   "_SDL_CreateRenderer", referenced from:
  121.       _SDLENGINE$_$TENGINE_$__$$_INITIALIZE$LONGINT$LONGINT$ANSISTRING in sdlEngine.o
  122.   "_IMG_Quit", referenced from:
  123.       _SDLENGINE$_$TENGINE_$__$$_DESTROY in sdlEngine.o
  124.   "_SDL_SetWindowTitle", referenced from:
  125.       _SDLENGINE$_$TENGINE_$__$$_ONFPSCOUNTERUPDATED$TFPSCOUNTER$WORD in sdlEngine.o
  126.   "_SDL_RenderFillRect", referenced from:
  127.       _SCNMAINMENU$_$TMAINMENUSCENE_$__$$_DOONRENDER$PSDL_RENDERER in scnMainMenu.o
  128.       _SCNGAMEPLAY$_$TGAMEPLAYSCENE_$__$$_DRAWUI in scnGamePlay.o
  129.       _SCNGAMEPLAY$_$TMENU_$__$$_DRAW in scnGamePlay.o
  130.       _STARTFIELD$_$TSTARFIELD_$__$$_DRAW in StartField.o
  131.       _SDLPARTICLES$_$TEMITTER_$__$$_DRAW in sdlParticles.o
  132.   "_SDL_Quit", referenced from:
  133.       _SDLENGINE$_$TENGINE_$__$$_DESTROY in sdlEngine.o
  134.   "_SDL_RenderClear", referenced from:
  135.       _SDLENGINE$_$TENGINE_$__$$_DORENDER in sdlEngine.o
  136.   "_SDL_Init", referenced from:
  137.       _SDLENGINE$_$TENGINE_$__$$_INITIALIZE$LONGINT$LONGINT$ANSISTRING in sdlEngine.o
  138.   "_Mix_OpenAudio", referenced from:
  139.       _SDLENGINE$_$TENGINE_$__$$_INITIALIZE$LONGINT$LONGINT$ANSISTRING in sdlEngine.o
  140.   "_SDL_DestroyRenderer", referenced from:
  141.       _SDLENGINE$_$TENGINE_$__$$_DESTROY in sdlEngine.o
  142.   "_TTF_Init", referenced from:
  143.       _SDLENGINE$_$TENGINE_$__$$_INITIALIZE$LONGINT$LONGINT$ANSISTRING in sdlEngine.o
  144.   "_SDL_DestroyWindow", referenced from:
  145.       _SDLENGINE$_$TENGINE_$__$$_DESTROY in sdlEngine.o
  146.   "_SDL_HasIntersection", referenced from:
  147.       _SDLGAMEOBJECTS$_$TGAMEOBJECT_$__$$_CHECKCOLLISIONS$TGAMEOBJECTLIST in sdlGameObjects.o
  148.       _SDLGAMEOBJECTS$_$TGAMEOBJECT_$__$$_CHECKCOLLISIONS$TGAMEOBJECT in sdlGameObjects.o
  149.   "_SDL_NumJoysticks", referenced from:
  150.       _SDLENGINE$_$TENGINE_$__$$_DOCHECKDEVICES in sdlEngine.o
  151.   "_SDL_JoystickNumButtons", referenced from:
  152.       _SDLENGINE$_$TENGINE_$__$$_DOCHECKDEVICES in sdlEngine.o
  153.   "_TTF_CloseFont", referenced from:
  154.       _SDLGAMETEXT$_$TFONTS_$__$$_DESTROY in sdlGameText.o
  155.   "_SDL_JoystickClose", referenced from:
  156.       _SDLENGINE$_$TENGINE_$__$$_DOCHECKDEVICES in sdlEngine.o
  157.   "_SDL_SetRenderDrawColor", referenced from:
  158.       _SDLENGINE$_$TENGINE_$__$$_DORENDER in sdlEngine.o
  159.       _SCNMAINMENU$_$TMAINMENUSCENE_$__$$_DOONRENDER$PSDL_RENDERER in scnMainMenu.o
  160.       _SCNGAMEPLAY$_$TGAMEPLAYSCENE_$__$$_DRAWUI in scnGamePlay.o
  161.       _SCNGAMEPLAY$_$TMENU_$__$$_DRAW in scnGamePlay.o
  162.       _STARTFIELD$_$TSTARFIELD_$__$$_DRAW in StartField.o
  163.       _SDLPARTICLES$_$TEMITTER_$__$$_DRAW in sdlParticles.o
  164.       _SDLGAMEENEMIES$_$TENEMY_$__$$_DRAW in sdlGameEnemies.o
  165.       ...
  166.   "_SDL_PollEvent", referenced from:
  167.       _SDLENGINE$_$TENGINE_$__$$_DOHANDLEEVENTS in sdlEngine.o
  168.   "_SDL_JoystickNumBalls", referenced from:
  169.       _SDLENGINE$_$TENGINE_$__$$_DOCHECKDEVICES in sdlEngine.o
  170. ld: symbol(s) not found for architecture x86_64
  171. An error occurred while linking
  172. Error: (9013) Error while linking
  173. Fatal: (10026) There were 1 errors compiling module, stopping
  174. Fatal: (1018) Compilation aborted
  175. Error: /fpcupdeluxe/installazioni/20210424_stabile/fpc/bin/x86_64-darwin/ppcx64 returned an error exitcode
  176.  

Why?
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Lazarus: 2.1.0
FPC: 3.3.1

howardpc

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Re: SDL2 on mac
« Reply #1 on: December 26, 2021, 12:44:32 pm »
In your .lpr do you have something like the following?
Code: Pascal  [Select][+][-]
  1. {$ifdef darwin}
  2. {$linkframework SDL2}
  3. {$linkframework SDL2_mixer}// add these and others as required by the routines you use
  4. // e.g. {$linkframework SDL2_ttf}
  5. // e.g. {$linkframework SDL2_image}
  6. {$endif}
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xinyiman

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Re: SDL2 on mac
« Reply #2 on: December 30, 2021, 07:32:13 pm »
Thanks for the tip. Now when I compile it tells me:

ld: framework not found SDL2

But as I said above, I'm sure I have the framework on my mac.
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trev

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Re: SDL2 on mac
« Reply #3 on: December 30, 2021, 10:23:05 pm »
You need to tell the linker where to look for the SDL2 framework.

On the fpc command line add: OPT="-XR/path/to/sdl2_framework"

Or in an .fpc.cfg file in your home directory:

#include /private/etc/fpc.cfg
-XR/path/to/sdl2_framework
« Last Edit: January 04, 2022, 01:59:59 am by trev »
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xinyiman

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Re: SDL2 on mac
« Reply #4 on: January 03, 2022, 09:37:20 pm »
Ok, I created .fp.cfg file

Code: Pascal  [Select][+][-]
  1. #include /private/etc/fpc.cfg
  2. -XR/Library/Frameworks/SDL2.framework

In "Project options"->"Configuration and target"-> check "Use other configuration files to compilator (@) " + "/Users/ngit/.fp.cfg"

When I compile return this

Code: Pascal  [Select][+][-]
  1. Compila il progetto, Destinazione: /Users/ngit/Downloads/TrustInvaders/bin/x86_64-darwin/trustInvaders: Codice di uscita 1, Errori: 1, suggerimenti: 6
  2. Hint: Start of reading config file /fpcupdeluxe/installazioni/20210424_stabile/fpc/bin/x86_64-darwin/fpc.cfg
  3. Hint: End of reading config file /fpcupdeluxe/installazioni/20210424_stabile/fpc/bin/x86_64-darwin/fpc.cfg
  4. Hint: Start of reading config file /Users/ngit/.fp.cfg
  5. Hint: Start of reading config file /private/etc/fpc.cfg
  6. Hint: End of reading config file /private/etc/fpc.cfg
  7. Hint: End of reading config file /Users/ngit/.fp.cfg
  8. Verbose: Free Pascal Compiler version 3.2.0-r45643 [2021/04/24] for x86_64
  9. Verbose: Copyright (c) 1993-2020 by Florian Klaempfl and others
  10. Verbose: Target OS: Darwin for x86_64
  11. Verbose: Compiling trustInvaders.lpr
  12. Verbose: Assembling (pipe) /Users/ngit/Downloads/TrustInvaders/lib/x86_64-darwin/trustInvaders.s
  13. Verbose: Linking /Users/ngit/Downloads/TrustInvaders/bin/x86_64-darwin/trustInvaders
  14. Debug: ld: library not found for -lobjc
  15. An error occurred while linking
  16. Error: Error while linking
  17. Verbose: There were 1 errors compiling module, stopping
  18. Verbose: Compilation aborted
  19. Verbose: /fpcupdeluxe/installazioni/20210424_stabile/fpc/bin/x86_64-darwin/ppcx64 returned an error exitcode
  20.  
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trev

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Re: SDL2 on mac
« Reply #5 on: January 03, 2022, 10:04:52 pm »
.fp.cfg should have been .fpc.cfg, but I sent you down the wrong path anyway. Sorry.

Try this: In the Lazarus Project Options > Tools > Options - Compilation and Linking, add -F/path/to/sdl_framework to the "Pass options to linker..." (do not include the -k it is included automatically). The linker should then find the SDL framework.
« Last Edit: January 03, 2022, 10:16:31 pm by trev »
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xinyiman

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Re: SDL2 on mac
« Reply #6 on: January 09, 2022, 05:14:25 pm »
Quote from: trev on January 03, 2022, 10:04:52 pm
.fp.cfg should have been .fpc.cfg, but I sent you down the wrong path anyway. Sorry.

Try this: In the Lazarus Project Options > Tools > Options - Compilation and Linking, add -F/path/to/sdl_framework to the "Pass options to linker..." (do not include the -k it is included automatically). The linker should then find the SDL framework.
did not solve. any other ideas ?!
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trev

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Re: SDL2 on mac
« Reply #7 on: January 09, 2022, 10:31:26 pm »
Quote from: xinyiman on January 09, 2022, 05:14:25 pm
did not solve. any other ideas ?!

I tested it (not for SDL but for something else) so it should work.

Compile with -va (Project Options > Tools > Options - Verbosity) and copy the log from the messages window into TextEdit and check where it is looking for the SDL framework and compare that to where the SDL framework is located.
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