Hi,

I am running OpenSUSE 11.1 and had problems with the last binaries (or
at least, that's what I am assuming for the moment), so I want to
build
sage from source.  I checked all dependencies given on

http://www.sagemath.org/doc/installation/source.html

Still, ``make'' fails and the first warning -- along with the request
to
report it -- is given below.

configure: WARNING: complex.h: present but cannot be compiled
configure: WARNING: complex.h:     check for missing prerequisite
headers?
configure: WARNING: complex.h: see the Autoconf documentation
configure: WARNING: complex.h:     section "Present But Cannot Be
Compiled"
configure: WARNING: complex.h: proceeding with the preprocessor's
result
configure: WARNING: complex.h: in the future, the compiler will take
precedence
configure: WARNING:     ## ------------------------------------------
##
configure: WARNING:     ## Report this to sage-devel@googlegroups.com
##
configure: WARNING:     ## ------------------------------------------
##
checking for complex.h... yes
checking whether we are using the GNU Fortran compiler... (cached) yes
checking whether gfortran accepts -g... (cached) yes
checking for Fortran flag needed to allow free-form source... -ffree-
form
configure: Your Fortran compiler accepts free-format source code
configure: which older F77 compilers do not. This does not 100%
configure: guarantee your compiler is suitable for building SAGE
configure: but it probably is.
configure: You are trying to use gcc but not g++
configure: error: The mixing of GNU and non-GNU compilers is not
permitted
ERROR: You do not have all of the prerequisites needed to build Sage
from source.  See the errors above.

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