(Noob) compiling/linking and anything else questions

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Raziel

Posted on: 2018/9/3 18:16 #1

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Help...

I already shifted around the libraries of SDL_image, but it seems to be something else i'm missing, probably something to do with -lsmpeg, because if i leave that one out i only get error message about smpeg missing, but none else.
So, what am i missing here?


gmake -f Makefile_amigaos4 

g++ -athread=native -Wl,--no-keep-memory -L/sdk/local/newlib/lib -o D20_amigaos4 Dice.o EquipScreen.o Game.o Graphics.o Inventory.o Items.o MainGame.o MapEditor.o Money.o Screen.o SelectionScreen.o ShopScreen.o Sprites.o startScreen.o utilities.o `sdl-config --static-libs` -lSDL -lSDL_ttf -lfreetype -lSDL_image -ltiff -ljpeg -lpng -lwebp -lSDL_mixer -lvorbisfile -lvorbis -logg -lflac -lsmpeg -lmikmod -lmodplug -lpthread -lz

/SDK/local/newlib/lib/libSDL_mixer.a(mixer.o): In function `Mix_LoadWAV_RW':

/home/salass00/Development/Projects/Libraries/SDL_mixer-1.2.12/mixer.c:588: undefined reference to `SDL_LoadWAV_RW'

/SDK/local/newlib/lib/libSDL_mixer.a(mixer.o): In function `mix_channels':

/home/salass00/Development/Projects/Libraries/SDL_mixer-1.2.12/mixer.c:345: undefined reference to `SDL_MixAudio'

/home/salass00/Development/Projects/Libraries/SDL_mixer-1.2.12/mixer.c:369: undefined reference to `SDL_MixAudio'

/SDK/local/newlib/lib/libSDL_mixer.a(wavestream.o): In function `WAVStream_PlaySome':

/home/salass00/Development/Projects/Libraries/SDL_mixer-1.2.12/wavestream.c:210: undefined reference to `SDL_MixAudio'

/home/salass00/Development/Projects/Libraries/SDL_mixer-1.2.12/wavestream.c:221: undefined reference to `SDL_MixAudio'

/SDK/local/newlib/lib/libSDL_mixer.a(music_ogg.o): In function `OGG_playAudio':

/home/salass00/Development/Projects/Libraries/SDL_mixer-1.2.12/music_ogg.c:191: undefined reference to `SDL_MixAudio'

/SDK/local/newlib/lib/libSDL_mixer.a(music_flac.o):/home/salass00/Development/Projects/Libraries/SDL_mixer-1.2.12/music_flac.c:512: more undefined references to `SDL_MixAudio' follow

/SDK/local/newlib/lib/libsmpeg.a(MPEGvideo.o): In function `MPEGvideo::SetDisplayRegion(int, int, int, int)':

/Work/smpeg-0.4.5+cvs20030824.orig/video/MPEGvideo.cpp:503: undefined reference to `SDL_FreeYUVOverlay'

/Work/smpeg-0.4.5+cvs20030824.orig/video/MPEGvideo.cpp:504: undefined reference to `SDL_CreateYUVOverlay'

/SDK/local/newlib/lib/libsmpeg.a(MPEGvideo.o): In function `MPEGvideo::SetDisplay(SDL_Surface*, SDL_mutex*, void (*)(SDL_Surface*, int, int, unsigned int, unsigned int))':

/Work/smpeg-0.4.5+cvs20030824.orig/video/MPEGvideo.cpp:438: undefined reference to `SDL_FreeYUVOverlay'

/Work/smpeg-0.4.5+cvs20030824.orig/video/MPEGvideo.cpp:440: undefined reference to `SDL_CreateYUVOverlay'

/SDK/local/newlib/lib/libsmpeg.a(MPEGvideo.o): In function `~MPEGvideo':

/Work/smpeg-0.4.5+cvs20030824.orig/video/MPEGvideo.cpp:222: undefined reference to `SDL_FreeYUVOverlay'

/Work/smpeg-0.4.5+cvs20030824.orig/video/MPEGvideo.cpp:222: undefined reference to `SDL_FreeYUVOverlay'

/Work/smpeg-0.4.5+cvs20030824.orig/video/MPEGvideo.cpp:222: undefined reference to `SDL_FreeYUVOverlay'

/SDK/local/newlib/lib/libsmpeg.a(gdith.o): In function `MPEGvideo::DisplayFrame(vid_stream*)':

/Work/smpeg-0.4.5+cvs20030824.orig/video/gdith.cpp:292: undefined reference to `SDL_LockYUVOverlay'

/Work/smpeg-0.4.5+cvs20030824.orig/video/gdith.cpp:354: undefined reference to `SDL_DisplayYUVOverlay'

/Work/smpeg-0.4.5+cvs20030824.orig/video/gdith.cpp:359: undefined reference to `SDL_UnlockYUVOverlay'

gmake: *** [D20_amigaos4] Error 1

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salass00

Re: (Noob) compiling/linking and anything else questions

Posted on: 2018/9/3 19:48 #2

Just can't stay away

@Raziel

Move -lSDL so that it comes after -lSDL_mixer and -lsmpeg (I would suggest just before -lpthread).

Raziel

Re: (Noob) compiling/linking and anything else questions

Posted on: 2018/9/3 20:41 #3

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@salass00

Thank you

That worked, but why?
In every other port i tried (not that much, but still) -lSDL has to be on the first position or else some stuff in the code won't use SDL.

btw: Using -lsmpeg2 still don't work (but i'm not sure if -lsmpeg2 is just an update to -lsmpeg or meant to be used with SDL2

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jabirulo

Re: (Noob) compiling/linking and anything else questions

Posted on: 2018/9/3 23:26 #4

Just can't stay away

Not sure, but IIRC some ports/sources I have here position of link libraries are important (dependencies) as salass00 pointed.

LDFLAGS = -mcrt=newlib -lSDL_image -lpng -ljpeg -lz -lSDLmain -lSDL -lauto -lpthread -lm -lSDL_mixer -lsmpeg -lvorbisfile -lvorbis -logg -lstdc++ -lSDL

salass00

Re: (Noob) compiling/linking and anything else questions

Posted on: 2018/9/4 8:01 #5

Just can't stay away

@Raziel

It's because the linker works from left to right and links in only those parts of static libraries that are needed to satisfy undefined references at that time. Both libSDL_mixer and libsmpeg need to use some functions from libSDL, but because it was linked before these libs the linker didn't know to link those needed parts.

Also libsmpeg2 is for libSDL2 only as you already guessed.

Raziel

Re: (Noob) compiling/linking and anything else questions

Posted on: 2018/9/4 8:07 #6

Home away from home

@salass00

I see, have to adapt my *personal* logic to that then

Thank you

@jabirulo

Thank you

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Raziel

c++11 to_string supported?

Posted on: 2018/9/13 8:36 #7

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I'm using a bleeding edge build of gcc (adtools build 8.1.0) 8.1.0 and was under the impression it supportes c++11.

Now i'm trying to port some SDL2 example and it keeps throwing me this error


g++ -Wall -Wextra -g `sdl2-config --cflags --static-libs` -std=c++11   -c -o Utils.o Utils.cpp

Utils.cpp: In function 'std::__cxx11::string Utils::intToString(int)':

Utils.cpp:58:14: error: 'to_string' is not a member of 'std'

  return std::to_string(num);

              ^~~~~~~~~

Utils.cpp: In function 'int Utils::stringToInt(std::__cxx11::string)':

Utils.cpp:64:14: error: 'stoi' is not a member of 'std'

  return std::stoi(text);

              ^~~~

gmake: *** [Utils.o] Error 1

This is what i added to the Utils.cpp file, because it was missing, though it didn't make a difference


#include "Utils.hpp"

#include <time.h> //__amigaos4__

#include <string> //__amigaos4__

#include <sstream>   // sstream

#include <algorithm> // find_if

#include <utility>   // C++11

#include <random>    // C++11

and the makefile part


CXXFLAGS    = -Wall -Wextra -g `sdl2-config --cflags --static-libs` -std=c++11

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BSzili

Re: (Noob) compiling/linking and anything else questions

Posted on: 2018/9/13 11:41 #8

Quite a regular

This is just a shot in the dark, but have you tried -std=gnu++11 instead of -std=c++11? The missing thing above might be part of the GNU extensions, not available in strict ANSI C mode.

This is just like television, only you can see much further.

Raziel

Re: (Noob) compiling/linking and anything else questions

Posted on: 2018/9/13 11:56 #9

Home away from home

@BSzili

Yes, i should have mentioned it, this was one of the "fixes" i found on stackoverflow, but the error is still the same.


g++ -Wall -Wextra -g `sdl2-config --cflags --static-libs` -std=gnu++11   -c -o Utils.o Utils.cpp

Utils.cpp: In function 'std::__cxx11::string Utils::intToString(int)':

Utils.cpp:58:14: error: 'to_string' is not a member of 'std'

  return std::to_string(num);

              ^~~~~~~~~

Utils.cpp: In function 'int Utils::stringToInt(std::__cxx11::string)':

Utils.cpp:64:14: error: 'stoi' is not a member of 'std'

  return std::stoi(text);

              ^~~~

gmake: *** [Utils.o] Error 1

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Raziel

Re: (Noob) compiling/linking and anything else questions

Posted on: 2018/9/13 14:05 #10

Home away from home

Can projects, that rely on CMake, be also built using a manually created makefile or does CMake alter something that prevents that?

EDIT: To answer my own qiuestion...yes, they can.

Edited by Raziel on 2018/9/13 15:19:22

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Raziel

Re: (Noob) compiling/linking and anything else questions

Posted on: 2018/10/8 8:15 #11

Home away from home

@all

Another question, this time AHI related:

I'm trying to port something that outputs sound through AHI.
While it works, the output volume is so darn low that i can barely hear a thing (in the normal WB/AHI/Sound volume setting im using everything else is fine)

I don't know much about AHI, so if anyone could tell me how i can up the volume i'd be grateful

This is the piece of code where AHI is set up:


#define BUFFERSIZE (4 << 10)



static struct MsgPort *AHImp = NULL;

static struct AHIRequest *AHIReq[2] = { NULL, NULL };

static int active = 0;

static int8_t *AHIBuf[2] = { NULL, NULL };



#define open_audio_output open_ahi_output

static int write_ahi_output(int8_t *output_data, int output_size);

static void close_ahi_output(void);



static int open_ahi_output(void) {

    AHImp = CreateMsgPort();

    if (AHImp) {

        AHIReq[0] = (struct AHIRequest *) CreateIORequest(AHImp, sizeof(struct AHIRequest));

        if (AHIReq[0]) {

            AHIReq[0]->ahir_Version = 4;

            AHIReq[1] = (struct AHIRequest *) AllocVec(sizeof(struct AHIRequest), MEMF_PUBLIC);

            if (AHIReq[1]) {

                if (!OpenDevice(AHINAME, AHI_DEFAULT_UNIT, (struct IORequest *)AHIReq[0], 0)) {

                    /*AHIReq[0]->ahir_Std.io_Message.mn_Node.ln_Pri = 0;*/

                    AHIReq[0]->ahir_Std.io_Command = CMD_WRITE;

                    AHIReq[0]->ahir_Std.io_Data = NULL;

                    AHIReq[0]->ahir_Std.io_Offset = 0;

                    AHIReq[0]->ahir_Frequency = rate;

                    AHIReq[0]->ahir_Type = AHIST_S16S;/* 16 bit stereo */

                    AHIReq[0]->ahir_Volume = 0x10000;

                    AHIReq[0]->ahir_Position = 0x8000;

                    CopyMem(AHIReq[0], AHIReq[1], sizeof(struct AHIRequest));



                    AHIBuf[0] = (int8_t *) AllocVec(BUFFERSIZE, MEMF_PUBLIC | MEMF_CLEAR);

                    if (AHIBuf[0]) {

                        AHIBuf[1] = (int8_t *) AllocVec(BUFFERSIZE, MEMF_PUBLIC | MEMF_CLEAR);

                        if (AHIBuf[1]) {

                            send_output = write_ahi_output;

                            close_output = close_ahi_output;

                            pause_output = pause_output_nop;

                            resume_output = resume_output_nop;

                            return (0);

                        }

                    }

                }

            }

        }

    }



    close_ahi_output();

    fprintf(stderr, "ERROR: Unable to open AHI output\r\n");

    return (-1);

}

What i've learned so far is that
AHIReq[0]->ahir_Volume = 0x10000;
sets the volume to 100%...but that doesn't help.

I assume this piece of code sends the output to a channel i haven't found how to alter the WB volume level of yet, but that's just a wild guess.

I played with the frequency and Type setting, to no avail.

There is no AHI_SetVol() in the code which i could alter.

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Raziel

Re: (Noob) compiling/linking and anything else questions

Posted on: 2018/10/8 19:40 #12

Home away from home

Nevermind the AHI question, seems to have been a setting mixup on my platform

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