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From: "Bruce Rosen" <rosen AT oingo DOT com>
To: <cygwin AT sourceware DOT cygnus DOT com>
Cc: "Bruce Rosen"@delorie.com
Subject: G++ compiling with -mno-cygwin and mingw libraries doesn't link
Date: Tue, 8 Aug 2000 18:39:05 -0700
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I solved my problem of memory allocation beyond 128 meg of memory by using
the -mno-cygwin G++ flag.  So the program below compiles and executes
properly with
    g++ -mno-cygwin a.cpp

#include <string.h>
int sleep(int a);
int main()
{
char *p;
#define SIZE 450000000
        p = new char[SIZE];
        memset(p, 0, SIZE);
}

However, when I augment it with C++ cout statements (below), I cannot get it
to
link. I get errors to undefined references. I downloaded the mingw libraries
and include files
and while this helps, I still get link errors.

#include <stdlib.h>
#include <iostream>
#include <string.h>
int main()
{
char *p ;
#define SIZE 450000000
        p = new char[SIZE];
        memset(p, 0, SIZE );
        cout << p[244] << endl;
}

 Any help would be appreciated.
    Bruce

g++  -mno-cygwin -I/usr/local/mingw/include test.cpp  -L/usr/local/mingw/lib
>& err

/usr/local/mingw/lib/libstdc++.a(iostream.o)(.text+0x2990): multiple
definition
of `ostream::operator<<(ostream &(*)(ostream &))'
/tmp/ccfOFFUm.o(.text$__ls__7ostreamPFR7ostream_R7ostream+0x0):test.cpp:
first d
efined here
/usr/local/mingw/lib/libstdc++.a(iostream.o)(.text+0x1d70): multiple
definition
of `_IO_ostream_withassign type_info function'
/tmp/ccfOFFUm.o(.text$__tf22_IO_ostream_withassign+0x0):test.cpp: first
defined
here
/usr/local/mingw/lib/libstdc++.a(iostream.o)(.text+0x1eac): multiple
definition
of `_IO_istream_withassign type_info function'
/tmp/ccfOFFUm.o(.text$__tf22_IO_istream_withassign+0x0):test.cpp: first
defined
here
/usr/local/mingw/lib/libstdc++.a(iostream.o)(.text+0x22f4): multiple
definition
of `iostream type_info function'
/tmp/ccfOFFUm.o(.text$__tf8iostream+0x0):test.cpp: first defined here
/usr/local/mingw/lib/libstdc++.a(iostream.o)(.text+0x28ac): multiple
definition
of `istream type_info function'
/tmp/ccfOFFUm.o(.text$__tf7istream+0x0):test.cpp: first defined here
 I 'm running cygwin on a WINNT PIII machine with 785 meg of memory
 here are the G++ parameters:

 /bin/../lib/gcc-lib/i686-pc-cygwin/2.95.2/cpp.exe -lang-c -v -iprefix
/bin/../l
ib/gcc-lib/i686-pc-cygwin/2.95.2/ -D__GNUC__=2 -D__GNUC_MINOR__=95 -Di386 -D
_X86
=1 -D__STDC__=1 -D__stdcall=__attribute__((__stdcall__)) -D__cdecl=__attribu
te__
((__cdecl__)) -D__declspec(x)=__attribute__((x)) -D__i386__ -D_X86=1 -D__STD
C__=
1 -D__stdcall=__attribute__((__stdcall__)) -D__cdecl=__attribute__((__cdecl_
_))
-D__declspec(x)=__attribute__((x)) -D__i386 -Asystem(winnt) -Acpu(i386) -Ama
chin
e(i386) -remap -Acpu(i386) -Amachine(i386) -Di386 -D__i386 -D__i386__ -Di686
 -Dp
entiumpro -D__i686 -D__i686__ -D__pentiumpro -D__pentiumpro__ -D__CYGWIN32__
 -D_
_CYGWIN__ -Dunix -D_WIN32 -DWINNT --help help-dummy /tmp/ccgw0dun.i
GNU CPP version 2.95.2 19991024 (release-2) (80386, BSD syntax)


 /bin/../lib/gcc-lib/i686-pc-cygwin/2.95.2/collect2.exe -Bdynamic --help
/usr/li
b/gcc-lib/i686-pc-cygwin/2.95.2/../../../../i686-pc-cygwin/lib/crt0.o -L/bin
/../
lib/gcc-lib/i686-pc-cygwin/2.95.2 -L/bin/../lib/gcc-lib -L/usr/lib/gcc-lib/i
686-
pc-cygwin/2.95.2 -L/usr/lib/gcc-lib/i686-pc-cygwin/2.95.2/../../../../i686-p
c-cy
gwin/lib
/tmp/ccCJG2dS.o -lstdc++ -lgcc -lcygwin -luser32 -lkernel32 -ladvapi32
-lshell32 -lgcc


    Any help would be appreciated.
    thanks
    bruce
Here is the cygcheck output:

cygcheck

Cygnus Win95/NT Configuration Diagnostics
Current System Time: Mon Aug 07 12:19:10 2000

WinNT Ver 4.0 build 1381 Service Pack 4

Path:
        .
        /usr/local/bin
        /bin
        /WINNT/system32
        /WINNT
        /Program Files/Mt

SysDir: C:\WINNT\System32
WinDir: C:\WINNT

HOME = `/WINNT/Profiles/rosen/Desktop'
MAKE_MODE = `unix'
PWD = `/WINNT/Profiles/rosen/Desktop/cyg'
USER = `administrator'

Use `-r' to scan registry

a:  fd           N/A    N/A
c:  hd  NTFS    4000Mb  95% CP CS UN PA FC
d:  cd  CDFS     498Mb 100%    CS              TIPSTER_VOL_1
e:  hd  NTFS   10660Mb  19% CP CS UN PA FC
x:  net NTFS   16159Mb  73% CP CS UN PA FC

C:\\bin  /usr/bin  user    binmode
C:\\lib  /usr/lib  user    binmode
C:    /        user    binmode

Found: C:\bin\bash.exe
Found: \bin\bash.exe
Found: C:\bin\cat.exe
Found: \bin\cat.exe
Found: C:\bin\cpp.exe
Found: \bin\cpp.exe
Found: C:\bin\find.exe
Found: \bin\find.exe
Found: C:\bin\gcc.exe
Found: \bin\gcc.exe
Found: C:\bin\gdb.exe
Found: \bin\gdb.exe
Found: C:\bin\ld.exe
Found: \bin\ld.exe
Found: C:\bin\ls.exe
Found: \bin\ls.exe
Found: C:\bin\make.exe
Found: \bin\make.exe
Found: C:\bin\sh.exe
Found: \bin\sh.exe

   83k 2000/06/11 C:\bin\cygitcl30.dll
   35k 2000/06/11 C:\bin\cygitk30.dll
  402k 2000/06/11 C:\bin\cygtcl80.dll
    5k 2000/06/11 C:\bin\cygtclpip80.dll
   10k 2000/06/11 C:\bin\cygtclreg80.dll
 639k 2000/06/11 C:\bin\cygtk80.dll
 587k 2000/03/01 C:\bin\cygwin1.dll
   Cygwin DLL version info:
       dll major: 1001
       dll minor: 0
       dll epoch: 19
       dll bad signal mask: 19005
       dll old termios: 00005
       api major: 0
       api minor: 17
       shared data: 3
       dll identifier: cygwin1
       mount registry: 2
       cygnus registry name: Cygnus Solutions
       cygwin registry name: Cygwin
       program options name: Program Options
       cygwin mount registry name: mounts v2
       build date: Wed Mar 1 00:15:19 EST 2000
       snapshot date: 2000-02-29-23:55-EST
       shared id: cygwin1S3-2000-03-01 00:15:19

Bruce Rosen, Ph.D.
Chief Scientist, Oingo Inc
10474 Santa Monica Bl.
Los Angeles, CA 90025
Phone: (310) 446 8162
E-mail: rosen AT oingo DOT com
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