Makefile: Document first-rule-target as the default

diff --git a/Makefile b/Makefile
index de78857f4eb00e452b0f1c4565687db937febd85..1eb8d25c2d3de70ffb2fce14a1688acf8c04a0d6 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -60,6 +60,8 @@ TAR = tar
 .PHONY: all help clean dist run print- printvars
 
 # target: all - the default target
+# The target of the first rule is the default goal.  See:
+#   http://www.gnu.org/software/make/manual/html_node/Rules.html
 all: $(PROGRAMS)
 
 # target: help - display callable targets