| Fumitoshi Ukai | 50e1aef | 2015-03-31 10:35:25 +0900 | [diff] [blame] | 1 | # http://www.gnu.org/software/make/manual/make.html#Syntax-of-Functions |
| 2 | comma:= , | ||||
| 3 | empty:= | ||||
| 4 | space:= $(empty) $(empty) | ||||
| 5 | foo:= a b c | ||||
| 6 | bar:= $(subst $(space),$(comma),$(foo)) | ||||
| 7 | # bar is now `a,b,c' | ||||
| 8 | |||||
| 9 | test: | ||||
| 10 | echo $(bar) | ||||