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From:	"Kazuhito Nakano" <KNAKANO AT jp DOT ibm DOT com>
To:	cygwin AT sourceware DOT cygnus DOT com
Message-ID:	<49256852.002DF38E.00@d22mta10.yamato.ibm.com>
Date:	Sat, 25 Dec 1999 17:13:40 +0900
Subject:	undefined reference to mallinfo() Error
Mime-Version:	1.0

I'm porting Unix program to Windows using both cygwin and gcc 2.95.2. I have
encounterd error at mallinfo().
Should  I give up using mallinfo() ? Or Is there a function in stead of
mallifo() ?

(input command)
gcc mem2.c
  ---> mem2.c: undefined reference to  mallinfo()

(more information)
gcc -v mem2.c

Reading specs from
//d/cygnus/cygwin-b20/h-i586-cygwin32/bin/../lib/gcc-lib/i586-cygwin32/2.95.2/specs
gcc version 2.95.2 19991024 (release)

//d/cygnus/cygwin-b20/h-i586-cygwin32/bin/../lib/gcc-lib/i586-cygwin32/2.95.2/cpp.exe

-lang-c -v -iprefix
//d/cygnus/cygwin-b20/h-i586-cygwin32/bin/../lib/gcc-lib/i586-cygwin32/2.95.2/
-D__GNUC__=2 -D__GNUC_MINOR__=95 -Di386 -D_WIN32 -DWINNT -D_X86_=1 -D__STDC__=1
-D__stdcall=__attribute__((__stdcall__)) -D__cdecl=__attribute__((__cdecl__))
-D__declspec(x)=__attribute__((x)) -D__i386__ -D_WIN32 -D__WINNT__ -D_X86_=1
-D__STDC__=1 -D__stdcall=__attribute__((__stdcall__))
-D__cdecl=__attribute__((__cdecl__)) -D__declspec(x)=__attribute__((x)) -D__i386
-D__WINNT -Asystem(winnt) -Acpu(i386) -Amachine(i386) -remap -Acpu(i386)
-Amachine(i386) -Di386 -D__i386 -D__i386__ -Di586 -Dpentium -D__i586 -D__i586__
-D__pentium -D__pentium__ -D__CYGWIN32__ -D__CYGWIN__ mem2.c E:\TEMP/ccGm1cAE.i
GNU CPP version 2.95.2 19991024 (release) (80386, BSD syntax)
#include "..." search starts here:
#include <...> search starts here:

//d/cygnus/cygwin-b20/h-i586-cygwin32/bin/../lib/gcc-lib/i586-cygwin32/2.95.2/../../../../../include

//d/cygnus/cygwin-b20/h-i586-cygwin32/bin/../lib/gcc-lib/i586-cygwin32/2.95.2/../../../../i586-cygwin32/include

//d/cygnus/cygwin-b20/h-i586-cygwin32/bin/../lib/gcc-lib/i586-cygwin32/2.95.2/include
 //d/cygnus/cygwin-b20/H-i586-cygwin32/i586-cygwin32/include
 .
End of search list.
The following default directories have been omitted from the search path:
 /sql/include

/Cygnus/cygwin-b20/H-i586-cygwin32/lib/gcc-lib/i586-cygwin32/2.95.2/../../../../../include/g++-3
 /usr/include
End of omitted list.

//d/cygnus/cygwin-b20/h-i586-cygwin32/bin/../lib/gcc-lib/i586-cygwin32/2.95.2/cc1.exe

E:\TEMP/ccGm1cAE.i -quiet -dumpbase mem2.c -version -o E:\TEMP/cc0qZnqd.s
GNU C version 2.95.2 19991024 (release) (i586-cygwin32) compiled by GNU C
version 2.95.2 19991024 (release).

//d/cygnus/cygwin-b20/h-i586-cygwin32/bin/../lib/gcc-lib/i586-cygwin32/2.95.2/../../../../i586-cygwin32/bin/as.exe

-o E:\TEMP/cceOWIyP.o E:\TEMP/cc0qZnqd.s

//d/cygnus/cygwin-b20/h-i586-cygwin32/bin/../lib/gcc-lib/i586-cygwin32/2.95.2/collect2.exe

//d/cygnus/cygwin-b20/h-i586-cygwin32/bin/../lib/gcc-lib/i586-cygwin32/2.95.2/../../../../i586-cygwin32/lib/crt0.o

-L//d/cygnus/cygwin-b20/h-i586-cygwin32/bin/../lib/gcc-lib/i586-cygwin32/2.95.2
-L//d/cygnus/cygwin-b20/h-i586-cygwin32/bin/../lib/gcc-lib
-L//d/cygnus/cygwin-b20/h-i586-cygwin32/bin/../lib/gcc-lib/i586-cygwin32/2.95.2/../../../../i586-cygwin32/lib

-L//d/cygnus/cygwin-b20/h-i586-cygwin32/bin/../lib/gcc-lib/i586-cygwin32/2.95.2/../../..

E:\TEMP/cceOWIyP.o -lgcc -lcygwin -luser32 -lkernel32 -ladvapi32 -lshell32 -lgcc
E:\TEMP/cceOWIyP.o(.text+0x77):mem2.c: undefined reference to `mallinfo'
collect2: ld returned 1 exit status


/***** memory allocatation test program (mem2.c) *****/
#include <stdio.h>
#include <malloc.h>

struct mallinfo minfo;

int main( int argc, char **argv )
{
  /*** malloc test program ***/
  int  i=1;
  char *ptr;

  do {
     ptr = (char *)malloc(i);

     if (ptr)
        free(ptr);

     minfo = mallinfo();
     printf("allocated size = <%d>\n", minfo.arena);

     i *=10;
  } while (ptr);

  return 0;
}

Regards:

Kazu Nakano



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