travis: run make xml, html and install(-.*)? targets

.travis.yml

@@ -102,3 +102,12 @@ script:
   - make conf
   - make
   - make validate
+
+after_success:
+  - make xml
+  - make html
+  - make DESTDIR=${HOME}/tmp install
+  - make DESTDIR=${HOME}/tmp install-headers
+  - make DESTDIR=${HOME}/tmp install-src
+  - make DESTDIR=${HOME}/tmp install-doc
+  - make DESTDIR=${HOME}/tmp install-appconfig

Makefile

@@ -558,7 +558,9 @@ install-docs: $(tmpdir)/html
 #
 install-src:
 	rm -rf $(srcpath)/policy.old
-	-mv $(srcpath)/policy $(srcpath)/policy.old
+	if test -d $(srcpath)/policy; then \
+		mv $(srcpath)/policy $(srcpath)/policy.old ;\
+	fi
 	mkdir -p $(srcpath)/policy
 	cp -R . $(srcpath)/policy
 

support/policyvers.py

@@ -1,6 +1,9 @@
 #!/usr/bin/env python3
 
-import selinux
+try:
+    import selinux
 
-if selinux.is_selinux_enabled():
+    if selinux.is_selinux_enabled():
-	print(selinux.security_policyvers())
+        print(selinux.security_policyvers())
+except ImportError:
+    exit(0)