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PSP-Programming.com Forums > PSP > C/C++ Help > Problem compiling code
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ps7sdk
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« on: June 09, 2011, 10:57:12 AM »
Could anyone say what is the problem with my code?
main.cpp
Code:
#include <pspkernel.h>
#include <pspdebug.h>
#include <pspgu.h>
#include <stdlib.h>
#include <stdio.h>
#include <math.h>
#include <pspdisplay.h>
#include <malloc.h>
#include <SDL/SDL.h>
PSP_MODULE_INFO("Hello World", 0, 1, 1);
/* Exit callback */
int exit_callback(int arg1, int arg2, void *common)
{
          sceKernelExitGame();
          return 0;
}

/* Callback thread */
int CallbackThread(SceSize args, void *argp)
{
          int cbid;

          cbid = sceKernelCreateCallback("Exit Callback", exit_callback, NULL);
          sceKernelRegisterExitCallback(cbid);

          sceKernelSleepThreadCB();

          return 0;
}

/* Sets up the callback thread and returns its thread id */
int SetupCallbacks(void)
{
          int thid = 0;

          thid = sceKernelCreateThread("update_thread", CallbackThread, 0x11, 0xFA0, 0, 0);
          if(thid >= 0)
  {
                    sceKernelStartThread(thid, 0, 0);
          }

          return thid;
}


int main( int argc, char* args[] )
{ 
  pspDebugScreenInit();
  SetupCallbacks();
  //The images
  SDL_Surface* hello = NULL;
  SDL_Surface* screen = NULL;
  //Start SDL
  SDL_Init( SDL_INIT_EVERYTHING );
  //Set up screen
  screen = SDL_SetVideoMode( 320, 240, 32, SDL_SWSURFACE );
  //Load image
  hello = SDL_LoadBMP( "psp.bmp" );
  //Apply image to screen
  SDL_BlitSurface( hello, NULL, screen, NULL );
  //Update Screen
  SDL_Flip( screen );
  //Pause
  SDL_Delay( 2000 );
  //Free the loaded image
  SDL_FreeSurface( hello );
  //Quit SDL
  SDL_Quit();
  sceKernelSleepThread();
  return 0;
}


Makefile
Code:
TARGET = main
OBJS = main.o
INCDIR =
CFLAGS = -G0 -Wall
CXXFLAGS = $(CFLAGS) -fno-exceptions -fno-rtti
ASFLAGS = $(CFLAGS)

LIBDIR =
LDFLAGS =
LIBS= -lpspgum -lpspgu -lm -lsdl

EXTRA_TARGETS = EBOOT.PBP
PSP_EBOOT_TITLE = SDL Sample

PSPSDK=$(shell psp-config --pspsdk-path)
include $(PSPSDK)/lib/build.mak

doing "make" in command prompt give me a nice(!?) error.
Code:

Microsoft Windows XP [Version 5.1.2600]
(C) Copyright 1985-2001 Microsoft Corp.

C:\SDL_PSP>make
psp-gcc -I. -IC:/pspdev/psp/sdk/include -G0 -Wall -D_PSP_FW_VERSION=150  -L. -LC
:/pspdev/psp/sdk/lib   main.o -lpspgum -lpspgu -lm -lsdl -lpspdebug -lpspdisplay
 -lpspge -lpspctrl -lpspsdk -lc -lpspnet -lpspnet_inet -lpspnet_apctl -lpspnet_r
esolver -lpsputility -lpspuser -lpspkernel -o main.elf
c:/pspdev/bin/../lib/gcc/psp/4.3.5/../../../../psp/lib\libsdl.a(SDL_pspaudio.o):
 In function `PSPAUD_CloseAudio':
src/audio/psp/SDL_pspaudio.c:134: undefined reference to `sceAudioChRelease'
c:/pspdev/bin/../lib/gcc/psp/4.3.5/../../../../psp/lib\libsdl.a(SDL_pspaudio.o):
 In function `PSPAUD_PlayAudio':
src/audio/psp/SDL_pspaudio.c:120: undefined reference to `sceAudioOutputPannedBl
ocking'
src/audio/psp/SDL_pspaudio.c:118: undefined reference to `sceAudioOutputBlocking
'
c:/pspdev/bin/../lib/gcc/psp/4.3.5/../../../../psp/lib\libsdl.a(SDL_pspaudio.o):
 In function `PSPAUD_OpenAudio':
src/audio/psp/SDL_pspaudio.c:194: undefined reference to `sceAudioChReserve'
c:/pspdev/bin/../lib/gcc/psp/4.3.5/../../../../psp/lib\libsdl.a(SDL_pspvideo.o):
 In function `PSP_GuStretchBlit':
src/video/psp/SDL_pspvideo.c:629: undefined reference to `sceGuStart'
src/video/psp/SDL_pspvideo.c:630: undefined reference to `sceGuEnable'
src/video/psp/SDL_pspvideo.c:631: undefined reference to `sceGuTexMode'
src/video/psp/SDL_pspvideo.c:632: undefined reference to `sceGuTexFunc'
src/video/psp/SDL_pspvideo.c:633: undefined reference to `sceGuTexFilter'
src/video/psp/SDL_pspvideo.c:634: undefined reference to `sceGuTexImage'
src/video/psp/SDL_pspvideo.c:635: undefined reference to `sceGuTexSync'
src/video/psp/SDL_pspvideo.c:672: undefined reference to `sceGuDrawArray'
src/video/psp/SDL_pspvideo.c:639: undefined reference to `sceGuGetMemory'
src/video/psp/SDL_pspvideo.c:647: undefined reference to `sceGuTexImage'
src/video/psp/SDL_pspvideo.c:649: undefined reference to `sceGuTexSync'
src/video/psp/SDL_pspvideo.c:676: undefined reference to `sceGuFinish'
c:/pspdev/bin/../lib/gcc/psp/4.3.5/../../../../psp/lib\libsdl.a(SDL_pspvideo.o):
 In function `PSP_FlipHWSurface':
src/video/psp/SDL_pspvideo.c:558: undefined reference to `sceGuSwapBuffers'
src/video/psp/SDL_pspvideo.c:551: undefined reference to `sceGuSync'
src/video/psp/SDL_pspvideo.c:558: undefined reference to `sceGuSwapBuffers'
c:/pspdev/bin/../lib/gcc/psp/4.3.5/../../../../psp/lib\libsdl.a(SDL_pspvideo.o):
 In function `PSP_GuUpdateRects':
src/video/psp/SDL_pspvideo.c:734: undefined reference to `sceGuSync'
src/video/psp/SDL_pspvideo.c:734: undefined reference to `sceGuSync'
c:/pspdev/bin/../lib/gcc/psp/4.3.5/../../../../psp/lib\libsdl.a(SDL_pspvideo.o):
 In function `PSP_FillHWRect':
src/video/psp/SDL_pspvideo.c:688: undefined reference to `sceGuStart'
src/video/psp/SDL_pspvideo.c:690: undefined reference to `sceGuGetMemory'
src/video/psp/SDL_pspvideo.c:697: undefined reference to `sceGuDrawBuffer'
src/video/psp/SDL_pspvideo.c:701: undefined reference to `sceGuColor'
src/video/psp/SDL_pspvideo.c:702: undefined reference to `sceGuDrawArray'
src/video/psp/SDL_pspvideo.c:704: undefined reference to `sceGuDrawBuffer'
src/video/psp/SDL_pspvideo.c:706: undefined reference to `sceGuFinish'
src/video/psp/SDL_pspvideo.c:707: undefined reference to `sceGuSync'
c:/pspdev/bin/../lib/gcc/psp/4.3.5/../../../../psp/lib\libsdl.a(SDL_pspvideo.o):
 In function `HWAccelBlit':
src/video/psp/SDL_pspvideo.c:587: undefined reference to `sceGuStart'
src/video/psp/SDL_pspvideo.c:589: undefined reference to `sceGuCopyImage'
src/video/psp/SDL_pspvideo.c:595: undefined reference to `sceGuFinish'
src/video/psp/SDL_pspvideo.c:599: undefined reference to `sceGuSync'
c:/pspdev/bin/../lib/gcc/psp/4.3.5/../../../../psp/lib\libsdl.a(SDL_pspvideo.o):
 In function `PSP_SetColors':
src/video/psp/SDL_pspvideo.c:759: undefined reference to `sceGuStart'
src/video/psp/SDL_pspvideo.c:760: undefined reference to `sceGuClutLoad'
src/video/psp/SDL_pspvideo.c:761: undefined reference to `sceGuFinish'
src/video/psp/SDL_pspvideo.c:762: undefined reference to `sceGuSync'
c:/pspdev/bin/../lib/gcc/psp/4.3.5/../../../../psp/lib\libsdl.a(SDL_pspvideo.o):
 In function `PSP_VideoQuit':
src/video/psp/SDL_pspvideo.c:777: undefined reference to `sceGuTerm'
c:/pspdev/bin/../lib/gcc/psp/4.3.5/../../../../psp/lib\libsdl.a(SDL_pspvideo.o):
 In function `PSP_SetVideoMode':
src/video/psp/SDL_pspvideo.c:250: undefined reference to `sceGuInit'
src/video/psp/SDL_pspvideo.c:251: undefined reference to `sceGuStart'
src/video/psp/SDL_pspvideo.c:252: undefined reference to `sceGuDispBuffer'
src/video/psp/SDL_pspvideo.c:257: undefined reference to `sceGuDrawBuffer'
src/video/psp/SDL_pspvideo.c:259: undefined reference to `sceGuClear'
src/video/psp/SDL_pspvideo.c:260: undefined reference to `sceGuOffset'
src/video/psp/SDL_pspvideo.c:261: undefined reference to `sceGuViewport'
src/video/psp/SDL_pspvideo.c:262: undefined reference to `sceGuScissor'
src/video/psp/SDL_pspvideo.c:263: undefined reference to `sceGuEnable'
src/video/psp/SDL_pspvideo.c:264: undefined reference to `sceGuFrontFace'
src/video/psp/SDL_pspvideo.c:266: undefined reference to `sceGuFinish'
src/video/psp/SDL_pspvideo.c:267: undefined reference to `sceGuSync'
src/video/psp/SDL_pspvideo.c:270: undefined reference to `sceGuDisplay'
src/video/psp/SDL_pspvideo.c:254: undefined reference to `sceGuClutMode'
src/video/psp/SDL_pspvideo.c:255: undefined reference to `sceGuDrawBuffer'
c:/pspdev/bin/../lib/gcc/psp/4.3.5/../../../../psp/lib\libsdl.a(SDL_pspevents.o)
: In function `PSP_EventQuit':
src/video/psp/SDL_pspevents.c:274: undefined reference to `pspIrKeybFinish'
c:/pspdev/bin/../lib/gcc/psp/4.3.5/../../../../psp/lib\libsdl.a(SDL_pspevents.o)
: In function `PSP_EventInit':
src/video/psp/SDL_pspevents.c:247: undefined reference to `pspIrKeybInit'
src/video/psp/SDL_pspevents.c:249: undefined reference to `pspIrKeybOutputMode'
c:/pspdev/bin/../lib/gcc/psp/4.3.5/../../../../psp/lib\libsdl.a(SDL_pspevents.o)
: In function `PSP_PumpEvents':
src/video/psp/SDL_pspevents.c:112: undefined reference to `pspIrKeybReadinput'
c:/pspdev/bin/../lib/gcc/psp/4.3.5/../../../../psp/lib\libsdl.a(SDL_pspevents.o)
: In function `EventUpdate':
src/video/psp/SDL_pspevents.c:71: undefined reference to `sceHprmPeekCurrentKey'

make: *** [main.elf] Error 1

C:\SDL_PSP>

Errr Evil or Very Mad Evil or Very Mad Crying or Very sad Crying or Very sad Crying or Very sad.....That was my first helloworld SDL for PSP.Plz help me.
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mowglisanu

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« Reply #1 on: June 09, 2011, 12:17:08 PM »
You're missing a bunch of libs in your makefile and the ones you have are out of order.
I suggest using sdl-config
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« Reply #2 on: June 14, 2011, 01:16:25 AM »
Here is my updated main.cpp
Code:
#include <pspkernel.h>
#include <pspdebug.h>
#include <pspgu.h>
#include <stdlib.h>
#include <stdio.h>
#include <math.h>
#include <pspdisplay.h>
#include <malloc.h>
#include <SDL/SDL.h>

/* Exit callback */
int exit_callback(int arg1, int arg2, void *common)
{
          sceKernelExitGame();
          return 0;
}

/* Callback thread */
int CallbackThread(SceSize args, void *argp)
{
          int cbid;

          cbid = sceKernelCreateCallback("Exit Callback", exit_callback, NULL);
          sceKernelRegisterExitCallback(cbid);

          sceKernelSleepThreadCB();

          return 0;
}

/* Sets up the callback thread and returns its thread id */
int SetupCallbacks(void)
{
          int thid = 0;

          thid = sceKernelCreateThread("update_thread", CallbackThread, 0x11, 0xFA0, 0, 0);
          if(thid >= 0)
  {
                    sceKernelStartThread(thid, 0, 0);
          }

          return thid;
}


int main(int argc, char *args[])
{ 
  pspDebugScreenInit();
  SetupCallbacks();
  //The images
  SDL_Surface* hello = NULL;
  SDL_Surface* screen = NULL;
  //Start SDL
  SDL_Init( SDL_INIT_EVERYTHING );
  //Set up screen
  screen = SDL_SetVideoMode( 320, 240, 32, SDL_SWSURFACE );
  //Load image
  hello = SDL_LoadBMP( "psp.bmp" );
  //Apply image to screen
  SDL_BlitSurface( hello, NULL, screen, NULL );
  //Update Screen
  SDL_Flip( screen );
  //Pause
  SDL_Delay( 2000 );
  //Free the loaded image
  SDL_FreeSurface( hello );
  //Quit SDL
  SDL_Quit();
  sceKernelSleepThread();
  return 0;
}


And the makefile updated as well
Code:
TARGET = main.cpp
OBJS = main.o
INCDIR =
PSPSDK = C:/pspsdk/psp/sdk
CFLAGS += $(shell $(PSPBIN)/sdl-config --cflags)
CXXFLAGS = $(CFLAGS) -fno-exceptions -fno-rtti
ASFLAGS = $(CFLAGS)

LIBDIR =
LDFLAGS =


EXTRA_TARGETS = EBOOT.PBP
PSP_EBOOT_TITLE = SDL Sample

PSPSDK=$(shell psp-config --pspsdk-path)

PSPBIN = $(PSPSDK)/../bin
CFLAGS += $(shell $(PSPBIN)/sdl-config --cflags)
LIBS += $(shell $(PSPBIN)/sdl-config --libs)
include $(PSPSDK)/lib/build.mak

And the error
Code:
/usr/local/pspdev/psp/lib/libSDLmain.a(SDL_psp_main.o): In function `main':
psp/SDL_psp_main.c:86: undefined reference to `SDL_main'
collect2: ld returned 1 exit status
make: *** [main.cpp.elf] Error 1

Any idea why makefile does not find sdl_main?How I gonna do with it?
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mowglisanu

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« Reply #3 on: June 14, 2011, 02:49:02 PM »
You don't have an SDL_main, rename your main to SDL_main
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