| # http://www.gnu.org/software/make/manual/make.html#Multi_002dLine | |
| # Note: in make 4.x | |
| # define name = | |
| # ... | |
| # endef | |
| # | |
| # but in make 3.x | |
| # define name | |
| # ... | |
| # endef | |
| # i.e. no = needed after name. | |
| # make 3.x defines "name =" for make 4.x example. | |
| # TODO: should we provide flag to specify gnu make version? | |
| # note: in make 4.x, there is `undefine`. | |
| define two-lines | |
| echo foo | |
| echo $(bar) | |
| endef | |
| bar = xxx | |
| test: | |
| echo BEGIN $(two-lines) END |