dh_auto_build: Provide the possibility of automatic operation

Author: The-going

debian/rules.in

@@ -52,13 +52,13 @@ override_dh_auto_configure:
 	    --disable-check-runtime-deps
 
 override_dh_auto_build-arch:
-	$(MAKE) PYTHON=/usr/bin/python3 -C src build-software
+	dh_auto_build -- build-software
 
 override_dh_auto_build-indep:
 ifneq "$(enable_build_documentation)" ""
-	$(MAKE) PYTHON=/usr/bin/python3 -C src manpages
-	$(MAKE) PYTHON=/usr/bin/python3 -C src translateddocs
-	$(MAKE) PYTHON=/usr/bin/python3 -C src docs
+	dh_auto_build -- manpages
+	dh_auto_build -- translateddocs
+	dh_auto_build -- docs
 endif
 
 override_dh_auto_clean: