I attach here more detailed information. The -o option does not work either. Victor $ ls copiemaxnum.f copiemaxnum.o maxnum.f maxnumexe.exe test.f90 vmarian@pc56 ~/fortran/exercitiicurs $ gfortran -o testexe test.f90 vmarian@pc56 ~/fortran/exercitiicurs $ ls copiemaxnum.f copiemaxnum.o maxnum.f maxnumexe.exe test.f90 vmarian@pc56 ~/fortran/exercitiicurs $ gfortran -v Using built-in specs. Target: i686-pc-cygwin Configured with: ../gcc-4.1.1-src/gcc-4.1.1/configure --enable- Thread model: single gcc version 4.1.1 vmarian@pc56 ~/fortran/exercitiicurs $ cat test.f90 program test write(*,*)'test' end vmarian@pc56 ~/fortran/exercitiicurs $ vmarian@pc56 ~/fortran/exercitiicurs $ gfortran -o testexe test.f90 vmarian@pc56 ~/fortran/exercitiicurs $ ls copiemaxnum.f copiemaxnum.o maxnum.f maxnumexe.exe test.f90 --- Steve Kargl <sgk@xxxxxxxxxxxxxxxxxxxxxxxxxxxx> wrote: > On Sun, Oct 21, 2007 at 12:03:14PM -0700, victor > marian wrote: > > > > I run gfortran under cygwin and I am trying to use > the > > -c option, but it doesn't work. > > For example: > > gfortran -c test.f90 > > doesn't return any result (it should return > test.o). > > What should I do? > > You should consider actually providing sufficient > information that would permit someone to provide > some help. Missing in your report is > 1) version info for gfortran. > 2) contents of test.f90 (hint test.o may not be > produced for an invalid program). > 3) was there any output to the console? > > -- > Steve > __________________________________________________ Do You Yahoo!? Tired of spam? Yahoo! Mail has the best spam protection around http://mail.yahoo.com