ok, I am doing a little debugging : the numpy error message comes from
numpy/distutils/fcompiler/__init__.py in the new_fcompiler function.
This function seems to be called with plat=None and compiler=gfortran.
As plat=None, the first thing that this method function does is
plat=os.name.... I checked separately on another shell, and there is
no question that os.name returns 'posix' on my machine.....
So 2 questions :
1) why is the pair (posix,gfortran) not a viable configuration, and
where is this list of possible confs defined?
2) Why is new_fcompiler called with plat=None, and what should it be
for my FC7 system?

Johann

On Jan 4, 1:22 pm, mabshoff <[EMAIL PROTECTED]
dortmund.de> wrote:
> On Jan 4, 10:14 pm, Johannct <[EMAIL PROTECTED]> wrote:
>
> Hi,
>
> > hello,
> > having root priviledge I went ahead and did : ln -s /usr/lib/
> > libgfortran.so.1 /usr/lib/libgfortran.so
> > It fixes the problem in the sense that I am now back to square one,
> > with the initial numpy build failure :
>
> Ok, but you also see if it works with the new fortran.spkg and without
> the link? I tested the new spkg in a Debian box, but libgfortran.so is
> in /usr/lib, so I am not 100% sure that it will work. But it should
> since the location of libgfortran.so on RedHat/FC is not in
> LD_LIBRARY_PATH per default.
>
>
>
> > running install
> > running build
> > running config_cc
> > unifing config_cc, config, build_clib, build_ext, build commands --
> > compiler options
> > running config_fc
> > unifing config_fc, config, build_clib, build_ext, build commands --
> > fcompiler options
> > running build_src
> > building py_modules sources
> > building extension "numpy.core.multiarray" sources
> > Generating build/src.linux-i686-2.5/numpy/core/config.h
> > error: don't know how to compile Fortran code on platform 'posix' with
> > 'gfortran' compiler. Supported compilers are:
> > intelem,absoft,compaq,ibm,sun,lahey,sage_fortran,pg,hpux,intele,gnu95,intelv,g95,compaqv,mips,vast,nag,none,intel,f,gnu,intelev)
> > Error building numpy.
> > Try setting SAGE_ATLAS to the directory that contains lib/libatlas.a ?
>
> > real    0m0.966s
> > user    0m0.560s
> > sys     0m0.169s
> > sage: An error occurred while installing numpy-20071020-1.0.3.1.p3
> > Please email sage-develhttp://groups.google.com/group/sage-devel
> > explaining the problem and send the relevant part of
> > of /data1/sources/sage-2.9.1.1/install.log.  Describe your computer,
> > operating system, etc.
> > If you want to try to fix the problem, yourself *don't* just cd to
> > /data1/sources/sage-2.9.1.1/spkg/build/numpy-20071020-1.0.3.1.p3 and
> > type 'make'.
> > Instead type "/data1/sources/sage-2.9.1.1/sage -sh"
> > in order to set all environment variables correctly, then cd to
> > /data1/sources/sage-2.9.1.1/spkg/build/numpy-20071020-1.0.3.1.p3
> > (When you are done debugging, you can type "exit" to leave the
> > subshell.)
> > make[1]: *** [installed/numpy-20071020-1.0.3.1.p3] Error 1
> > make[1]: Leaving directory `/data1/sources/sage-2.9.1.1/spkg'
>
> > So now that it agrees to pick up gfortran, as the fortran compiler, it
> > messes up the platform....
>
> Yeah, that sucks. Any chance you can provide any of us with a shell to
> hunt this down? The current situation is like poking around in the
> dark with one arm tied behind your back ;)
>
>
>
> > best,
> > Johann
>
> > On Jan 4, 1:06 pm, "William Stein" <[EMAIL PROTECTED]> wrote:
>
> > > On Jan 4, 2008 12:58 PM, mabshoff
>
> > > <[EMAIL PROTECTED]> wrote:
>
> > > > On Jan 4, 9:52 pm, Johannct <[EMAIL PROTECTED]> wrote:
> > > > > fresh rebuild from a vanilla source, LD_LIBRARY_PATH, PYTHONPATH
> > > > > etc... unsetenved, and using make and *not* make -j2 and using
> > > > > SAGE_FORTRAN set to gfortran, I still stumble :
>
> > > > > make[3]: `libcblas.so' is up to date.
> > > > > make[3]: Leaving directory `/data1/sources/sage-2.9.1.1/spkg/build/
> > > > > atlas-3.8.p6/ATLAS-build/lib'
> > > > > make[2]: Leaving directory `/data1/sources/sage-2.9.1.1/spkg/build/
> > > > > atlas-3.8.p6/ATLAS-build/lib'
> > > > > make[2]: Entering directory `/data1/sources/sage-2.9.1.1/spkg/build/
> > > > > atlas-3.8.p6/ATLAS-build'
> > > > > mkdir -p /data1/sources/sage-2.9.1.1/local/include/atlas
> > > > > chmod 0755 /data1/sources/sage-2.9.1.1/local/include/atlas
> > > > > make -f Make.top install_inc 
> > > > > INSTdir=/data1/sources/sage-2.9.1.1/local/
> > > > > include
> > > > > make[3]: Entering directory `/data1/sources/sage-2.9.1.1/spkg/build/
> > > > > atlas-3.8.p6/ATLAS-build'
> > > > > cp /data1/sources/sage-2.9.1.1/spkg/build/atlas-3.8.p6/ATLAS-build/../
> > > > > src/ATLAS//include/cblas.h /data1/sources/sage-2.9.1.1/local/include/.
> > > > > cp /data1/sources/sage-2.9.1.1/spkg/build/atlas-3.8.p6/ATLAS-build/../
> > > > > src/ATLAS//include/clapack.h /data1/sources/sage-2.9.1.1/local/
> > > > > include/.
> > > > > chmod 0644 /data1/sources/sage-2.9.1.1/local/include/cblas.h /data1/
> > > > > sources/sage-2.9.1.1/local/include/clapack.h
> > > > > cp /data1/sources/sage-2.9.1.1/spkg/build/atlas-3.8.p6/ATLAS-build/
> > > > > include/* /data1/sources/sage-2.9.1.1/local/include/atlas/.
> > > > > chmod 0644 /data1/sources/sage-2.9.1.1/local/include/atlas/*
> > > > > make[3]: Leaving directory `/data1/sources/sage-2.9.1.1/spkg/build/
> > > > > atlas-3.8.p6/ATLAS-build'
> > > > > make -f Make.top install_lib 
> > > > > INSTdir=/data1/sources/sage-2.9.1.1/local/
> > > > > lib
> > > > > make[3]: Entering directory `/data1/sources/sage-2.9.1.1/spkg/build/
> > > > > atlas-3.8.p6/ATLAS-build'
> > > > > cp 
> > > > > /data1/sources/sage-2.9.1.1/spkg/build/atlas-3.8.p6/ATLAS-build/lib/
> > > > > libatlas.a /data1/sources/sage-2.9.1.1/local/lib/.
> > > > > cp 
> > > > > /data1/sources/sage-2.9.1.1/spkg/build/atlas-3.8.p6/ATLAS-build/lib/
> > > > > libcblas.a /data1/sources/sage-2.9.1.1/local/lib/.
> > > > > cp 
> > > > > /data1/sources/sage-2.9.1.1/spkg/build/atlas-3.8.p6/ATLAS-build/lib/
> > > > > liblapack.a /data1/sources/sage-2.9.1.1/local/lib/.
> > > > > chmod 0644 /data1/sources/sage-2.9.1.1/local/lib/libatlas.a  /data1/
> > > > > sources/sage-2.9.1.1/local/lib/liblapack.a \
> > > > >                    /data1/sources/sage-2.9.1.1/local/lib/libcblas.a
> > > > > cp 
> > > > > /data1/sources/sage-2.9.1.1/spkg/build/atlas-3.8.p6/ATLAS-build/lib/
> > > > > libf77blas.a /data1/sources/sage-2.9.1.1/local/lib/.
> > > > > chmod 0644 /data1/sources/sage-2.9.1.1/local/lib/libf77blas.a
> > > > > cp 
> > > > > /data1/sources/sage-2.9.1.1/spkg/build/atlas-3.8.p6/ATLAS-build/lib/
> > > > > libptcblas.a /data1/sources/sage-2.9.1.1/local/lib/.
> > > > > cp: cannot stat `/data1/sources/sage-2.9.1.1/spkg/build/atlas-3.8.p6/
> > > > > ATLAS-build/lib/libptcblas.a': No such file or directory
> > > > > make[3]: [install_lib] Error 1 (ignored)
> > > > > cp 
> > > > > /data1/sources/sage-2.9.1.1/spkg/build/atlas-3.8.p6/ATLAS-build/lib/
> > > > > libptf77blas.a /data1/sources/sage-2.9.1.1/local/lib/.
> > > > > cp: cannot stat `/data1/sources/sage-2.9.1.1/spkg/build/atlas-3.8.p6/
> > > > > ATLAS-build/lib/libptf77blas.a': No such file or directory
> > > > > make[3]: [install_lib] Error 1 (ignored)
> > > > > chmod 0644 /data1/sources/sage-2.9.1.1/local/lib/libptcblas.a /data1/
> > > > > sources/sage-2.9.1.1/local/lib/libptf77blas.a
> > > > > chmod: cannot access `/data1/sources/sage-2.9.1.1/local/lib/
> > > > > libptcblas.a': No such file or directory
> > > > > chmod: cannot access `/data1/sources/sage-2.9.1.1/local/lib/
> > > > > libptf77blas.a': No such file or directory
> > > > > make[3]: [install_lib] Error 1 (ignored)
> > > > > cp 
> > > > > /data1/sources/sage-2.9.1.1/spkg/build/atlas-3.8.p6/ATLAS-build/lib/
> > > > > libatlas.so /data1/sources/sage-2.9.1.1/local/lib/.
> > > > > cp 
> > > > > /data1/sources/sage-2.9.1.1/spkg/build/atlas-3.8.p6/ATLAS-build/lib/
> > > > > libcblas.so /data1/sources/sage-2.9.1.1/local/lib/.
> > > > > cp 
> > > > > /data1/sources/sage-2.9.1.1/spkg/build/atlas-3.8.p6/ATLAS-build/lib/
> > > > > libf77blas.so /data1/sources/sage-2.9.1.1/local/lib/.
> > > > > cp 
> > > > > /data1/sources/sage-2.9.1.1/spkg/build/atlas-3.8.p6/ATLAS-build/lib/
> > > > > liblapack.so /data1/sources/sage-2.9.1.1/local/lib/.
> > > > > chmod 0644 /data1/sources/sage-2.9.1.1/local/lib/libatlas.so /data1/
> > > > > sources/sage-2.9.1.1/local/lib/liblapack.so \
> > > > >                      /data1/sources/sage-2.9.1.1/local/lib/
> > > > > libcblas.so /data1/sources/sage-2.9.1.1/local/lib/libcblas.so
> > > > > make[3]: Leaving directory `/data1/sources/sage-2.9.1.1/spkg/build/
> > > > > atlas-3.8.p6/ATLAS-build'
> > > > > make[2]: Leaving directory `/data1/sources/sage-2.9.1.1/spkg/build/
> > > > > atlas-3.8.p6/ATLAS-build'
> > > > > ld -L/data1/sources/sage-2.9.1.1/local/lib -shared -soname
> > > > > liblapack.so -o liblapack.so --whole-archive liblapack.a --no-whole-
> > > > > archive -lc -lm -lgfortran
> > > > > ld: cannot find -lgfortran
> > > > > ld -L/data1/sources/sage-2.9.1.1/local/lib -shared -soname
> > > > > libf77blas.so -o libf77blas.so --whole-archive libf77blas.a 
> > > > > --no-whole-
> > > > > archive -lc -lm -lgfortran
> > > > > ld: cannot find -lgfortran
>
> > > > Hi,
>
> > > > that is a known bug that ought to be fixed in 2.9.2 (out in a couple
> > > > hours). You can download
>
> > > >http://sage.math.washington.edu/home/jkantor/spkgs/fortran-20071120.p...
>
> > > > and drop it into spkg/standard - then run make again and the problem
> > > > should go away.
>
> > > I don't think the above spkg actually fixes the problem, as you'll
> > > probably find out
> > > if you try it.
>
> > > Something that Kate suggested is to symlink:
>
> > > /usr/lib/gcc/i386-redhat-linux/4.1.2/libgfortran.so to 
> > > $SAGE_ROOT/local/lib/
>
> I don't like that solution too much, but it seems to be like a last
> resort solution. It also requires that the user known where
> libgfortran.so is located since the location varies by distribution
> and even compiler release.
>
> Cheers,
>
> Michael
>
> > > i.e., cd to SAGE_ROOT/local/lib/ and type
>
> > >   ln - s  /usr/lib/gcc/i386-redhat-linux/4.1.2/libgfortran.so .
>
> > > Please report back if this does/doesn't work for you.  It worked for Kate.
>
> > > We are going to add an environement variable for 2.9.2 so the above 
> > > symlink
> > > can be created automatically during the SAGE build.
>
> > > Thanks!
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