atlas: link with libgfortran from buildout

component/libatlas/buildout.cfg

@@ -33,6 +33,8 @@ install_cmd =
   patch -p1 <${skip-throttle-check.patch:location}/${skip-throttle-check.patch:filename}
   mkdir -p $BLDdir
   cd $BLDdir
+  export F77LIB=${gcc-fortran:location}/lib64/libgfortran.so.3
+  export LD_PRELOAD=$F77LIB
   $SRCdir/configure -b 64 \
         --prefix=${:location} \
         --with-netlib-lapack-tarfile=${:location}__compile__/lapack-${:lapack_version}.tgz \
@@ -40,9 +42,12 @@ install_cmd =
         -C if ${gcc-fortran:location}/bin/gfortran \
         --shared
 
+  #-Ss f77lib `${gcc-fortran:location}/bin/gfortran --print-file-name=libgfortran.so` \
+
   make build    # tune & build lib
   make check    # sanity check correct answer
   make ptcheck  # sanity check parallel
   make time     # check if lib is fast
   make install  # copy libs to install dir 
+update_cmd = ${:install_cmd}