Add quirks needed for python install

--enable-python-eggs is required to provide correct version. But
otherwise does different thing than is required for python bindings
package. Rebuild python after installation of main package, because it
changed destination directory used later by install.

Related: rhbz#1419441

strongswan.spec

@@ -219,7 +219,7 @@ for Strongswan runtime configuration from perl applications.
     --enable-aesni \
 %endif
 %if %{with python3}
-    --enable-python-eggs \
+    PYTHON=%{python3} --enable-python-eggs \
 %endif
 %if %{with perl}
     --enable-perl-cpan \
@@ -240,8 +240,9 @@ pushd src/libcharon/plugins/vici
 
 %if %{with python3}
   pushd python
+    %make_build
     sed -e "s,/var/run/charon.vici,%{_rundir}/strongswan/charon.vici," -i vici/session.py
-    %py3_build
+    #py3_build
   popd
 %endif
 
@@ -261,6 +262,9 @@ popd
 pushd src/libcharon/plugins/vici
 %if %{with python3}
   pushd python
+    # TODO: --enable-python-eggs breaks our previous build. Do it now
+    # propose better way to upstream
+    %py3_build
     %py3_install
   popd
 %endif