Jose Sousa wrote:
> hi!
> i'm trying for the first time with YAGARTO tollchain, but when i use
> fuctions like sprintf, strncpy...i get an error message like:
>
> C:\Documents and
> Settings\Israel\workspace\demo2106_blink_flash/main.c:63: undefined
> reference to `memcpy'
> C:\Documents and
> Settings\Israel\workspace\demo2106_blink_flash/main.c:64: undefined
> reference to `strncpy'.

-lc given als linker-paramter?

Give the complete output of the build-process including the paramters
passed to the tools. And try to avoid blanks in pathes (like
Documents[blank]and...) may cause problems.

Martin Thomas wrote:
> Jose Sousa wrote:
>> hi!
>> i'm trying for the first time with YAGARTO tollchain, but when i use
>> fuctions like sprintf, strncpy...i get an error message like:
>>
>> C:\Documents and
>> Settings\Israel\workspace\demo2106_blink_flash/main.c:63: undefined
>> reference to `memcpy'
>> C:\Documents and
>> Settings\Israel\workspace\demo2106_blink_flash/main.c:64: undefined
>> reference to `strncpy'.
>
> -lc given als linker-paramter?
>
> Give the complete output of the build-process including the paramters
> passed to the tools. And try to avoid blanks in pathes (like
> Documents[blank]and...) may cause problems.

----------------------------------------------------------------------

Hi Martin, thanks for reply. Here goes my makefile, main.c and the
output.

Current makefile:


NAME   = demo2106_blink_flash

CC      = arm-elf-gcc
LD      = arm-elf-ld  -v
AR      = arm-elf-ar
AS      = arm-elf-as
CP      = arm-elf-objcopy
OD    = arm-elf-objdump

CFLAGS  = -I./ -c -fno-common -O0 -g
AFLAGS  = -ahls -mapcs-32 -o crt.o

LFLAGS +=  -L'C:\Program Files\yagarto\lib\gcc\arm-elf\4.1.1\' -lgcc -lc


LFLAGS  += -Map main.map -T  demo2106_blink_flash.cmd
CPFLAGS = -O binary
ODFLAGS  = -x --syms

all: test

clean:
  -rm crt.lst main.lst crt.o main.o main.out main.bin main.hex main.map
main.dmp

test: main.out
  @ echo "...copying"
  $(CP) $(CPFLAGS) main.out main.hex
  $(CP) $(CPFLAGS) main.out main.bin
  $(OD) $(ODFLAGS) main.out > main.dmp

main.out: crt.o main.o demo2106_blink_flash.cmd
  @ echo "..linking"
  $(LD) $(LFLAGS) -o main.out  crt.o main.o

crt.o: crt.s
  @ echo ".assembling"
  $(AS) $(AFLAGS) crt.s > crt.lst

main.o: main.c
  @ echo ".compiling"
  $(CC) $(CFLAGS) main.c


---------------------------------------------
Console; Output
---------------------------------------------

make -k all
.compiling
arm-elf-gcc   -I./ -c -fno-common -O0 -g  main.c
..linking
arm-elf-ld  -v    -L'C:\Program Files\yagarto\lib\gcc\arm-elf\4.1.1\'
-lgcc -lc -Map main.map -T  demo2106_blink_flash.cmd   -o main.out
crt.o main.o
GNU ld version 2.17
main.o: In function `main':
C:\Documents and
Settings\Israel\workspace\demo2106_blink_flash/main.c:64: undefined
reference to `memcpy'
C:\Documents and
Settings\Israel\workspace\demo2106_blink_flash/main.c:65: undefined
reference to `strncpy'
C:\Documents and
Settings\Israel\workspace\demo2106_blink_flash/main.c:66: undefined
reference to `puts'
make: *** [main.out] Error 1
make: Target `all' not remade because of errors.


---------------------------------------------
Partial code (main.c):
---------------------------------------------

/**********************************************************
                  Header files
 **********************************************************/
#include "LPC210x.h"
#include <stdio.h>
#include "stdio.h"
#include "string.h"

/**********************************************************
                  Global Variables
 **********************************************************/
int    q;        // global uninitialized variable
int    r;        // global uninitialized variable
int    s;        // global uninitialized variable

short  h = 2;      // global initialized variable
short  i = 3;      // global initialized variable
char  j = 6;      // global initialized variable




/**********************************************************
                       MAIN
**********************************************************/

int  main (void) {

  int    j;                    // loop counter (stack variable)
  static int    a,b,c;              // static uninitialized variables
  static  char  d;                // static uninitialized variables
  static int    w = 1;              // static initialized variable
  static long  x = 5;                // static initialized variable
  static  char  y = 0x04;            // static initialized variable
  static int    z = 7;              // static initialized variable
  const  char  *pText = "The Rain in Spain";
  char str[24];
  char str1[24];



  // Initialize the system
  Initialize();

  // set io pins for led P0.7
  IODIR |= 0x00000080;  // pin P0.7 is an output, everything else is
input after reset
  IOSET =  0x00000080;  // led off
  IOCLR =  0x00000080;  // led on



  sprintf(str, "Ola! \n");
  strncpy(str1,str,20);
  printf("Olá\n");

  // endless loop to toggle the red  LED P0.7
  while (1) {

    for (j = 0; j < 5000000; j++ );    // wait 500 msec
    IOSET = 0x00000080;           // red led off
    for (j = 0; j < 5000000; j++ );    // wait 500 msec
    IOCLR = 0x00000080;           // red led on
  }
}



Thanks for attention.