Merge pull request #7809 from smlng/makefiles/fix_info_targets

makefiles: fix (and add) info targets

makefiles/info-global.inc.mk

@@ -26,7 +26,7 @@ define board_missing_features
 
   include $(RIOTBASE)/Makefile.dep
 
-  FEATURES_MISSING := $$(filter-out $$(FEATURES_PROVIDED), $$(FEATURES_REQUIRED))
+  FEATURES_MISSING := $$(sort $$(filter-out $$(FEATURES_PROVIDED), $$(FEATURES_REQUIRED)))
   ifneq (, $${FEATURES_MISSING})
     BOARDS_FEATURES_MISSING += "${1} $${FEATURES_MISSING}"
     ifneq (, $$(filter-out $$(FEATURES_OPTIONAL), $$(FEATURES_MISSING)))

makefiles/info.inc.mk

 .PHONY: info-objsize info-buildsizes info-build info-boards-supported \
-        info-features-missing info-modules info-cpu
+        info-features-missing info-modules info-cpu \
+        info-features-provided info-features-required
 
 info-objsize:
 	@case "${SORTROW}" in \
@@ -114,5 +115,11 @@ info-modules:
 info-cpu:
 	@echo $(CPU)
 
+info-features-provided:
+	@for i in $(sort $(FEATURES_PROVIDED)); do echo $$i; done
+
+info-features-required:
+	@for i in $(sort $(FEATURES_REQUIRED)); do echo $$i; done
+
 info-features-missing:
-	@echo $(filter-out $(FEATURES_PROVIDED), $(FEATURES_REQUIRED))
+	@for i in $(sort $(filter-out $(FEATURES_PROVIDED), $(FEATURES_REQUIRED))); do echo $$i; done