disable i686 and s390x again (still fail test suite). Also add -fPIC which seems required to get the library compiled on armv7hl.

eccodes.spec

@@ -90,9 +90,9 @@ Obsoletes:      grib_api < %{final_grib_api_version}
 %endif
 
 # as explained in bugzilla #1562066
-#ExcludeArch: i686
+ExcludeArch: i686
 # as explained in bugzilla #1562076
-#ExcludeArch: s390x
+ExcludeArch: s390x
 # as explained in bugzilla #1562084
 #ExcludeArch: armv7hl
 
@@ -229,6 +229,11 @@ chmod 644 AUTHORS LICENSE
 #     export FCFLAGS="%%{build_fflags} -fallow-argument-mismatch"
 # defining the -DCMAKE_Fortran_FLAGS for camke is required to let it compile.
 
+# added -DCMAKE_Fortran_FLAGS="-fPIC"
+# because the koji build crashes with the error that it needs this setting
+# when I try to build for armv7hl (other archs do not complain ......)
+# I have no idea what causes this difference in behaviour.
+
 %cmake3 -DINSTALL_LIB_DIR=%{_lib} \
         -DENABLE_ECCODES_OMP_THREADS=ON \
         -DENABLE_EXTRA_TESTS=ON \
@@ -240,6 +245,7 @@ chmod 644 AUTHORS LICENSE
         -DECCODES_SOVERSION=%{so_version} \
         -DECCODES_SOVERSION_F90=%{so_version_f90} \
         -DCMAKE_Fortran_FLAGS="-fallow-argument-mismatch" \
+        -DCMAKE_Fortran_FLAGS="-fPIC" \
         -DENABLE_PYTHON=OFF
 
 # note the final '..' is no longer needed to the cmake3 call.