--- Lun 8/6/09, Gustavo Seabra ha scritto: > Da: Gustavo Seabra > Oggetto: [1.7] output redirection problems with gfortran > A: cygwin@cygwin.com > Data: Lunedì 8 giugno 2009, 15:28 > Hi All, > > I'm having a strange problem with gfortran here. I am > trying to run a > simple configure program, but it chokes on the fortran > compilation. > The test program it uses is very simple: > > $ cat testp.f > program testf > write(6,*) 'testing a Fortran > program' > end program testf > > It is being compiled with: > > $ gfortran -O0 -fno-second-underscore -o testp testp.f > > and it generates the executable "testp.exe": > > $ ./testp > testing a Fortran program > > The problem comes in the testing. If I try to redirect this > output to > pretty much anything, I get nothing: > > $ ./testp | /bin/grep Fortran > $ > > (It returns nothing.) I also tried changing the compiler > options to > remove the -fno-second-underscore or the -O0 options, with > no changes. > > The same happens if I try to redirect the output to a file, > or try to > tee the output: to a file, i.e., in both cases I only get > empty files: > $ ./testp >& testp.out > $ cat testp.out > $ > > or > > $ ./testp 2>&1 | tee testp.out > $ cat testp.out > $ > > I attached the output of cygcheck -s -v -r in this > message. Here are > some more details about the gfortran version being used: > > $ gfortran --version > GNU Fortran (GCC) 4.3.2 20080827 (beta) 2 [SNIP]
> > Gustavo Seabra Hi Gustavo, we already noticed such fault and it is on the "long" list of Dave Korn to look for. http://thread.gmane.org/gmane.os.cygwin/104875/focus=104963 I suspect it is more 1.7 related than gfortran related as the test program is working on cygwin-1.5. Regards Marco -- Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple Problem reports: http://cygwin.com/problems.html Documentation: http://cygwin.com/docs.html FAQ: http://cygwin.com/faq/