Build: allow to build only py2 rpms for fedora

This is more or less for testing purposes of py2/py3 compatibility

Reviewed-By: Stanislav Laznicka <slaznick@redhat.com>

BUILD.txt

@@ -36,6 +36,11 @@ It may be possible to do a simple make install but this has not been
 well-tested. Additional work is done in pre/post install scripts in the ipa
 spec file.
 
+To build only python2 packages on fedora following steps are required:
+$ autoreconf -i
+$ ./configure
+$ make rpms RPMBUILD_OPTS="--define 'with_python3 0'"
+
 Developing plugins
 ------------------
 

Makefile.am

@@ -122,7 +122,7 @@ rpms: $(VERSION_UPDATE_TARGET)
 	$(MAKE) _rpms-body
 
 _rpms-body: _rpms-prep
-	rpmbuild --define "_topdir $(RPMBUILD)" -ba $(top_builddir)/$(PACKAGE).spec
+	rpmbuild --define "_topdir $(RPMBUILD)" -ba $(top_builddir)/$(PACKAGE).spec  $(RPMBUILD_OPTS)
 	cp $(RPMBUILD)/RPMS/*/*$$(cat $(top_builddir)/.version)*.rpm $(top_builddir)/dist/rpms/
 	cp $(RPMBUILD)/SRPMS/*$$(cat $(top_builddir)/.version)*.src.rpm $(top_builddir)/dist/srpms/
 	rm -f rm -f $(top_builddir)/.version
@@ -131,7 +131,7 @@ srpms: $(VERSION_UPDATE_TARGET)
 	$(MAKE) _srpms-body
 
 _srpms-body: _rpms-prep
-	rpmbuild --define "_topdir $(RPMBUILD)" -bs $(top_builddir)/$(PACKAGE).spec
+	rpmbuild --define "_topdir $(RPMBUILD)" -bs $(top_builddir)/$(PACKAGE).spec $(RPMBUILD_OPTS)
 	cp $(RPMBUILD)/SRPMS/*$$(cat $(top_builddir)/.version)*.src.rpm $(top_builddir)/dist/srpms/
 	rm -f rm -f $(top_builddir)/.version
 

freeipa.spec.in

@@ -17,11 +17,13 @@
     %global with_ipatests_option --without-ipatests
 %endif
 
+%if 0%{!?with_python3:1}
 %if 0%{?rhel}
 %global with_python3 0
 %else
 %global with_python3 1
 %endif
+%endif
 
 # lint is not executed during rpmbuild
 # %%global with_lint 1