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Message-ID: <38FC3461.A2390BFF@altavista.net>
Date: Tue, 18 Apr 2000 13:09:37 +0300
From: Maxim Sobolev <sobomax AT altavista DOT net>
Organization: Vega International Capital
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To: cygwin AT sourceware DOT cygnus DOT com
Subject: impure_ptr undefined again (-mno-cygwin)
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Hi,

I've just downloaded and installed brand new Cygwin toolkit using new
"setup.exe" method and found that we again ran into problem with messed Cygwin
and Mingw headers. My previously installed version did not exibit this
misbehaviour. When I'm trying to compile any program which using stderr I have:

----------- tst.c-------------
#include <stdio.h>

int main()
{
 fprintf(stderr, "this is a test\n");
 exit(0);
}
----------- tst.c-------------

bash-2.03$ gcc -mno-cygwin tst.c -o tst
C:\TEMP/cc4N5Qh5.o(.text+0x24):tst.c: undefined reference to `_impure_ptr'
collect2: ld returned 1 exit status

Following is output of gcc -v and mount:

bash-2.03$ gcc -v -mno-cygwin tst.c -o tst
Reading specs from /usr/lib/gcc-lib/i686-pc-cygwin/2.95.2/specs
gcc version 2.95.2 19991024 (release)
 /usr/lib/gcc-lib/i686-pc-cygwin/2.95.2/cpp.exe -lang-c -v -D__GNUC__=2
-D__GNUC
_MINOR__=95 -Di386 -D_WIN32 -DWINNT -D_X86_=1 -D__STDC__=1
-D__stdcall=__attribu
te__((__stdcall__)) -D__cdecl=__attribute__((__cdecl__))
-D__declspec(x)=__attri
bute__((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(i38
6) -remap -Acpu(i386) -Amachine(i386) -Di386 -D__i386 -D__i386__ -Di686
-Dpentiu
mpro -D__i686 -D__i686__ -D__pentiumpro -D__pentiumpro__ -iwithprefixbefore
../.
./../../i686-pc-cygwin/include/mingw32 -D__MINGW32__=0.2 tst.c
C:\TEMP/ccCdocEd.
i
GNU CPP version 2.95.2 19991024 (release) (80386, BSD syntax)
#include "..." search starts here:
#include <...> search starts here:
 /usr/lib/gcc-lib/i686-pc-cygwin/2.95.2/../../../../include
 /usr/lib/gcc-lib/i686-pc-cygwin/2.95.2/../../../../i686-pc-cygwin/include
 /usr/lib/gcc-lib/i686-pc-cygwin/2.95.2/include
 /usr/include
End of search list.
The following default directories have been omitted from the search path:
 /usr/lib/gcc-lib/i686-pc-cygwin/2.95.2/../../../../include/g++-3
End of omitted list.
 /usr/lib/gcc-lib/i686-pc-cygwin/2.95.2/cc1.exe C:\TEMP/ccCdocEd.i -quiet
-dumpb
ase tst.c -mno-cygwin -version -o C:\TEMP/ccF50KUA.s
GNU C version 2.95.2 19991024 (release) (i686-pc-cygwin) compiled by GNU C
versi
on 2.95.2 19991024 (release).
 /usr/lib/gcc-lib/i686-pc-cygwin/2.95.2/../../../../i686-pc-cygwin/bin/as.exe
-o
 C:\TEMP/cc4KjlO6.o C:\TEMP/ccF50KUA.s
 /usr/lib/gcc-lib/i686-pc-cygwin/2.95.2/collect2.exe -o tst.exe
/usr/lib/gcc-lib
/i686-pc-cygwin/2.95.2/../../../../i686-pc-cygwin/lib/crt1.o
-L/usr/lib/gcc-lib/
i686-pc-cygwin/2.95.2
-L/usr/lib/gcc-lib/i686-pc-cygwin/2.95.2/../../../../i686-
pc-cygwin/lib -L/usr/lib/gcc-lib/i686-pc-cygwin/2.95.2/../../..
C:\TEMP/cc4KjlO6
.o -lgcc -lmingw32 -lmoldname -lcrtdll -luser32 -lkernel32 -ladvapi32 -lshell32

-lgcc
C:\TEMP/cc4KjlO6.o(.text+0x24):tst.c: undefined reference to `_impure_ptr'
collect2: ld returned 1 exit status

bash-2.03$ mount
Device              Directory           Type         Flags
c:\Cygnus\cygwin-b20\H-i586-cygwin32\bin  /usr/bin            user
binmode
c:\Cygnus\cygwin-b20\H-i586-cygwin32\lib  /usr/lib            user
binmode
c:\Cygnus\cygwin-b20\H-i586-cygwin32  /                   user         binmode
c:\temp             /tmp                user         textmode

-Maxim
P.S. Please CC'ing replies to my e-mail since I doesn't subscribed to the list.


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