Message-ID: <64736.91417.qm@web25006.mail.ukl.yahoo.com>
Date: Sat, 14 Mar 2009 07:31:41 +0000 (GMT)
From: Marco Atzeri <marco_atzeri@yahoo.it>
Subject: Re: [ANNOUNCEMENT] Updated: experimental package: gcc4-4.3.2-2
To: cygwin@cygwin.com, Dave Korn <dave.korn.cygwin@googlemail.com>
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--- Sab 14/3/09, Dave Korn ha scritto:

> Da: Dave Korn=20
> Oggetto: Re: [ANNOUNCEMENT] Updated: experimental package: gcc4-4.3.2-2
> A:=20
> Data: Sabato 14 marzo 2009, 07:56
> Marco Atzeri wrote:
>=20
> > it seems a 1.7 specific fault. On cygwin 1.5 it works;
> I never checked
> > before :-(
>=20
> =C2=A0 Odd!=C2=A0 It fails for me on both.=C2=A0 (You did
> update gcc-4 on *both* your
> installations, right?)
>=20
yes

$ uname -a
CYGWIN_NT-5.1 ITQMOZCAS2NB007 1.5.25(0.156/4/2) 2008-06-12 19:34 i686 Cygwin

$ cygcheck -c -d |grep fortran
gcc4-fortran                   4.3.2-2
libgfortran3                   4.3.2-2

$cygcheck ./conftest-15.exe
.\conftest-15.exe
  C:\cygwin\bin\cygwin1.dll
    C:\WINDOWS\system32\ADVAPI32.DLL
      C:\WINDOWS\system32\ntdll.dll
      C:\WINDOWS\system32\KERNEL32.dll
      C:\WINDOWS\system32\RPCRT4.dll
  C:\cygwin\bin\cyggcc_s-1.dll
  C:\cygwin\bin\cyggfortran-3.dll

$ ./conftest-15.exe > conftest.out ; cat conftest.out=20
 SUCCESS

$ uname -a=20
CYGWIN_NT-5.1 ITQMOZCAS2NB007 1.7.0(0.206/5/3) 2009-03-11 14:08 i686 Cygwin

cygcheck -c -d |grep fortran
gcc4-fortran                   4.3.2-2
libgfortran3                   4.3.2-2

$ cygcheck ./conftest-17.exe
C:\cygwin2\pub\programs\fortran\conftest-17.exe
  C:\cygwin2\bin\cygwin1.dll
    C:\WINDOWS\system32\ADVAPI32.DLL
      C:\WINDOWS\system32\ntdll.dll
      C:\WINDOWS\system32\KERNEL32.dll
      C:\WINDOWS\system32\RPCRT4.dll
  C:\cygwin2\bin\cyggcc_s-1.dll
  C:\cygwin2\bin\cyggfortran-3.dll

$ ./conftest-17.exe > conftest.out ; cat conftest.out=20

So I can reproduce it only on cygwin-1.7.


> > is it possible that Cygwin-1.7 is fooled by the not
> like-C standard output
> > ?
> >=20
> > "GFORTRAN_STDOUT_UNIT=E2=80=94Unit number for standard
> output
> >=20
> > This environment variable can be used to select the
> unit number
> > preconnected to standard output. This must be a
> positive integer. The
> > default value is 6. "
>=20
> =C2=A0 I'm not sure.=C2=A0 From what I've studied so far of
> libgfortran/io, I think the
> fortran "unit" numbers are mapped to, rather than directly
> equivalent to, unix
> fds.=C2=A0 It might be a libgfortran bug, or it may even
> not; there could be some
> interaction in the cygwin dll between DLL unload and stdio
> shutdown during the
> exit sequence that fails to flush the stream properly, for
> example.=C2=A0 Still
> investigating.
>=20
> =C2=A0 =C2=A0 cheers,
> =C2=A0 =C2=A0 =C2=A0 DaveK
>=20


Regards
Marco


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