From 034bbcafafdbec0b2c4d29b1d5018bec20120e77 Mon Sep 17 00:00:00 2001
From: Eelco Dolstra <eelco.dolstra@logicblox.com>
Date: Thu, 12 Dec 2013 11:27:47 +0100
Subject: [PATCH] Add 'make help'

---
 mk/lib.mk | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)

diff --git a/mk/lib.mk b/mk/lib.mk
index f093ee8e0..0b469a13a 100644
--- a/mk/lib.mk
+++ b/mk/lib.mk
@@ -65,3 +65,27 @@ $(foreach test, $(INSTALL_TESTS), $(eval $(call run-install-test,$(test))))
 
 
 all: $(programs_list) $(libs_list)
+
+
+help:
+	@echo "The following targets are available:"
+	@echo ""
+	@echo "  default: Build default targets"
+	@echo "  install: Install into \$$(prefix) (currently set to '$(prefix)')"
+	@echo "  clean: Delete generated files"
+	@echo "  dryclean: Show what files would be deleted by 'make clean'"
+ifdef PACKAGE_NAME
+	@echo "  dist: Generate a source distribution"
+endif
+ifdef programs_list
+	@echo ""
+	@echo "The following programs can be built:"
+	@echo ""
+	@for i in $(programs_list); do echo "  $$i"; done
+endif
+ifdef libs_list
+	@echo ""
+	@echo "The following libraries can be built:"
+	@echo ""
+	@for i in $(libs_list); do echo "  $$i"; done
+endif