[build] mark some targets as phony

Makefile

@@ -84,7 +84,7 @@ conf/%.xml :conf/%.xml.example
 
 conf/maps.xml: conf/maps.xml.example FORCE
 	-cd data/maps; $(MAKE)
-	if test ! -e $@; then cp $< $@; fi
+	$(Q)if test ! -e $@; then cp $< $@; fi
 
 FORCE:
 
@@ -282,3 +282,4 @@ run_tests:
 
 test: all replace_current_conf_xml run_tests restore_conf_xml
 
+.PHONY: all print_build_version clean cleanspaces ab_clean dist_clean distclean dist_clean_irreversible doxygen run_sitl install uninstall test replace_current_conf_xml run_tests restore_conf_xml

Makefile.ac

@@ -182,3 +182,5 @@ hard_ac ac: ac_h fbw ap
 clean_ac :
 	$(Q)if (expr "$(AIRCRAFT)"); then : ; else echo "AIRCRAFT undefined: type 'make AIRCRAFT=AircraftName ...'"; exit 1; fi
 	rm -fr $(PAPARAZZI_HOME)/var/$(AIRCRAFT)
+
+.PHONY: all clean_ac print_version

sw/lib/ocaml/Makefile

@@ -156,6 +156,7 @@ gtk_papget_led_editor.ml : widgets.glade
 clean :
 	rm -f *~ *.cm* *.out *.opt .depend *.a *.o *.so tests gtk_papget_*.ml expr_parser.ml expr_parser.mli expr_lexer.ml expr_lexer.mli
 
+.PHONY: all opt clean
 
 #
 # Dependencies