Fix minor issues with makefile targets (#4717)

Makefile

@@ -46,8 +46,8 @@ check-style:
 	cd ${citus_abs_top_srcdir} && citus_indent --quiet --check
 .PHONY: reindent check-style
 
-# depend on install for now
-check: all install
+# depend on install-all so that downgrade scripts are installed as well
+check: all install-all
 	$(MAKE) -C src/test/regress check-full
 
 .PHONY: all check clean install install-downgrades install-all

src/backend/distributed/Makefile

@@ -90,11 +90,11 @@ install: cleanup-before-install
 
 # install and install-downgrades should be run sequentially
 install-all: install
-	make install-downgrades
+	$(MAKE) install-downgrades
 
 install-downgrades: $(generated_downgrade_sql_files)
 	$(INSTALL_DATA) $(generated_downgrade_sql_files) '$(DESTDIR)$(datadir)/$(datamoduledir)/'
 
 clean-full:
-	make clean
+	$(MAKE) clean
 	rm -rf $(safestringlib_builddir)