installation problems in mac machine

[Matthew Knepley]

On Mon, Dec 21, 2009 at 3:33 PM, Dominik Szczerba <dominik at itis.ethz.ch>wrote:

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> Matthew Knepley wrote:
> > On Mon, Dec 21, 2009 at 3:20 PM, Dominik Szczerba <dominik at itis.ethz.ch
> > <mailto:dominik at itis.ethz.ch>> wrote:
> >
> > With sudo you gain administrative rights (still depends on the actual
> > sudoers config) - in principle you can harm your system by mistake (sudo
> >  rm -fr /usr/lib/* ...). That is why it is normally not allowed on large
> > multiuser systems. It should be possible to use any non-system software
> > without it.
> >
> >
> >> Installation is almost always done with root permission. If you want to
> >> be pendatic,
> >> you can create other users for specific tasks, like the webserver, but
> >> you STILL
> >> sudo to that user.
>
> - From Wikipedia:
>
> "The sudo (...) command is a program for some Unix and Unix-like
> computer operating systems that allows users to run programs with the
> security privileges of another user (normally the superuser, a.k.a. root)."
>
> If "another user" is the superuser (which it often is in popular linux
> distros) if you are lucky you can render your system non-bootable (if
> you are not you can lose data).
>
> I strongly discourage anybody using superuser for compilation - or God
> forbid - entrusting oneself to installation scripts of 3rd party
> programs on critical systems [*].
>

So if its own Wikipedia, it must be correct. This is silly. Using sudo for
installation
is standard. If you do not want to do it, don't.

  Matt


> Dominik
>
> [*] General attitude, not just Petsc.
>
> >
> >>    Matt
> >
> >
> > Dominik
> >
> >
> > Matthew Knepley wrote:
> >> On Mon, Dec 21, 2009 at 3:13 PM, Dominik Szczerba
> > <dominik at itis.ethz.ch <mailto:dominik at itis.ethz.ch>
> >> <mailto:dominik at itis.ethz.ch <mailto:dominik at itis.ethz.ch>>> wrote:
> >
> >> Why use sudo in the first place?
> >> I am not a mac user, but normally on unix sudo is the last thing you
> >> want to use during everyday work (provided that you are at all allowed
> >> to use it).
> >
> >
> >>> Not sure why you would think that. In fact, sudo is the safe way
> > to do
> >>> things
> >>> and recommended for everyday usage.
> >
> >>>   Matt
> >
> >
> >> Dominik
> >
> >> Satish Balay wrote:
> >>> Perhaps 'sudo' is not proegating PETSC_DIR,PETSC_ARCH variables
> >>> properly?
> >
> >>> Try 'sudo /bin/bash' and do the whole install in that shell.
> >
> >>> BTW: you have a typo with PETSC_ARCH further down..  And we recommend
> >>> using COPTFLAGS, FOPTFLAGS --with-debugging=0 for optimziation
> > builds.
> >
> >>> Satish
> >
> >>> On Mon, 21 Dec 2009, hxie at umn.edu <mailto:hxie at umn.edu>
> > <mailto:hxie at umn.edu <mailto:hxie at umn.edu>> wrote:
> >
> >>>> Hi,
> >>>>
> >>>> My operation system is Mac OS X 10.6.2. I unzip the petsc under
> >>>> /usr/local/petsc-3.0.0-p10.
> >>>> I use the following to configure petsc.
> >>>> -------
> >>>> sudo ./config/configure.py --CFLAGS=-O3 --FFLAGS=-O3
> >>>> --with-mpi-dir=/usr/local/mpich2-1.2.1 --with-fortran
> > --with-shared=0
> >>>> --with-fc=gfortran
> >>>> -------
> >>>>
> >>>> And I run the following commands:
> >>>> ----
> >>>> export PETS_ARCH=darwin10.2.0-c-debug;
> >>>> PETSC_DIR=/usr/local/petsc-3.0.0-p10; export PETSC_DIR
> >>>> ----
> >>>>
> >>>> When I run " sudo make all", it gives some errors:
> >>>> -----
> >>>> makefile:15: /conf/base: No such file or directory
> >>>> makefile:16: /conf/test: No such file or directory
> >>>> make: *** No rule to make target `/conf/test'.  Stop.
> >>>> -----
> >>>>
> >>>> It seems it cannot find the PETSC_DIR. (I use x11. "echo $SHELL"
> > gets
> >>>> "/bin/bash")
> >>>> Do I need to add "PETSC_DIR = /usr/local/petsc-3.0.0-p10" in the
> >> makefile
> >>>> file? Thanks.
> >>>>
> >>>> Bests,
> >>>> Hui
> >>>>
> >>>>
> >>>>
> >>>>
> >
> >
> >
> >> --
> >> What most experimenters take for granted before they begin their
> >> experiments is infinitely more interesting than any results to which
> >> their experiments lead.
> >> -- Norbert Wiener
> >
>
> > --
> > What most experimenters take for granted before they begin their
> > experiments is infinitely more interesting than any results to which
> > their experiments lead.
> > -- Norbert Wiener
>
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-- 
What most experimenters take for granted before they begin their experiments
is infinitely more interesting than any results to which their experiments
lead.
-- Norbert Wiener
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