SPECS/python3.11-numpy.spec

@@ -61,6 +61,13 @@ Requires:       python%{python3_pkgversion}-numpy%{?_isa} = %{version}-%{release
 Requires:       python%{python3_pkgversion}-devel
 Provides:       python%{python3_pkgversion}-f2py = %{version}-%{release}
 
+# Require alternatives version that implements the --keep-foreign flag
+Requires(postun): alternatives >= 1.19.1-1
+# python3.11 installs the alternatives master symlink to which we attach a slave
+Requires: python%{python3_pkgversion}
+Requires(post): python%{python3_pkgversion}
+Requires(postun): python%{python3_pkgversion}
+
 %description -n python%{python3_pkgversion}-numpy-f2py
 This package includes a version of f2py that works properly with NumPy.
 
@@ -99,6 +106,9 @@ rm f2py
 rm f2py3
 popd &> /dev/null
 
+# All ghost files controlled by alternatives need to exist for the files
+# section check to succeed
+touch %{buildroot}%{_bindir}/f2py3
 
 # distutils from setuptools don't have the patch that was created to avoid standard runpath here
 # we strip it manually instead
@@ -120,6 +130,19 @@ export PYTHONPATH=%{buildroot}%{python3_sitearch}
 %{__python3} runtests.py -v --no-build -- -ra -k 'not test_ppc64_ibm_double_double128 %{?ix86_k}'
 %endif
 
+%post -n python%{python3_pkgversion}-numpy-f2py
+alternatives --add-slave python3 %{_bindir}/python%{python3_version} \
+    %{_bindir}/f2py3 \
+    f2py3 \
+    %{_bindir}/f2py%{python3_version}
+
+%postun -n python%{python3_pkgversion}-numpy-f2py
+# Do this only during uninstall process (not during update)
+if [ $1 -eq 0 ]; then
+   alternatives --keep-foreign --remove-slave python3 %{_bindir}/python%{python3_version} \
+       f2py3
+fi
+
 
 %files -n python%{python3_pkgversion}-numpy
 %license LICENSE.txt
@@ -152,6 +175,7 @@ export PYTHONPATH=%{buildroot}%{python3_sitearch}
 
 %files -n python%{python3_pkgversion}-numpy-f2py
 %{_bindir}/f2py%{python3_pkgversion}
+%ghost %{_bindir}/f2py3
 %{python3_sitearch}/%{modname}/f2py