Hi, Upcoming version of GNU Make introduces new incompatibility. The NEWS file says: * WARNING: Backward-incompatibility! GNU make now implements a generic "second expansion" feature on the prerequisites of both explicit and implicit (pattern) targets. After the rule has been parsed, the prerequisites are expanded a second time, this time with all the automatic variables in scope. This means that in addition to using standard SysV $$@ in prerequisites lists, you can also use complex functions such as $$(patsubst f%r,b%o,$$@) etc. This behavior applies to implicit rules, as well, where the second expansion occurs after the rule is matched. However, this means that you need to double-quote any "$" in your filenames; instead of "foo: boo$$bar" you must write "foo: foo$$$$bar"
GNU Make developers suggest to adjust dollar.test, to make it work with both the old and new versions of GNU make, see http://savannah.gnu.org/bugs/?func=detailitem&item_id=12260 However, "automake-1.9 --foreign -Werror -Wall" issues warning when ":="-style assignment is used, so dollar.test fails in the adjusted form, too. -- ldv
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