Follow-up Comment #3, bug #9060 (project make): Specifying MAKEFLAGS += --warn-undefined-variables within a Makefile is not equivalent to specifying the same option on the command-line.
Test case: MAKEFLAGS += --warn-undefined-variables $(foo): @echo foo bar: @echo $(bar) This bug has a long history of confusing users: http://lists.gnu.org/archive/html/bug-make/2002-08/msg00063.html http://lists.gnu.org/archive/html/bug-make/2003-04/msg00015.html http://lists.gnu.org/archive/html/help-make/2011-06/msg00027.html http://lists.gnu.org/archive/html/help-make/2013-01/msg00015.html _______________________________________________________ Reply to this item at: <http://savannah.gnu.org/bugs/?9060> _______________________________________________ Message sent via/by Savannah http://savannah.gnu.org/ _______________________________________________ Bug-make mailing list Bug-make@gnu.org https://lists.gnu.org/mailman/listinfo/bug-make