1 # $NetBSD: posix-expansion.mk,v 1.2 2025/04/13 09:34:43 rillig Exp $ 2 # 3 # https://pubs.opengroup.org/onlinepubs/9799919799/utilities/make.html#tag_20_76_13_05 4 # 5 # In POSIX mode, when expanding an expression containing modifiers, the 6 # modifiers specified in POSIX take precedence over the BSD-style modifiers. 7 8 .POSIX: 9 10 11 MOD_SUBST= S s from to 12 # The modifier contains a "=" and is thus the POSIX modifier. 13 .if ${MOD_SUBST:S=from=to=} != "from=to= s from to" 14 . error 15 .endif 16 # The modifier does not contain a "=" and thus falls back to the BSD modifier. 17 .if ${MOD_SUBST:S,from,to,} != "S s to to" 18 . error 19 .endif 20 21 22 all: 23