possible bashism in bashisms/basic.mk line 7 (echo -e): -echo -e "foo BASHISM" possible bashism in bashisms/basic.mk line 8 (echo -e): @echo -e "bar BASHISM" possible bashism in bashisms/basic.mk line 9 (echo -e): @-echo -e "bar BASHISM" && false possible bashism in bashisms/basic.mk line 10 (echo -e): -@echo -e "bar BASHISM" && false possible bashism in bashisms/basic.mk line 20 (brace expansion): foo: $(shell echo dir/BASHISM/{foo,bar})