mirror of
https://github.com/coop-deluxe/sm64coopdx.git
synced 2024-12-01 16:27:27 +00:00
17 lines
611 B
Makefile
17 lines
611 B
Makefile
|
# util.mk - Miscellaneous utility functions for use in Makefiles
|
||
|
|
|
||
|
|
# Throws an error if the value of the variable named by $(1) is not in the list given by $(2)
|
||
|
|
define validate-option
|
||
|
|
# value must be part of the list
|
||
|
|
ifeq ($$(filter $($(1)),$(2)),)
|
||
|
|
$$(error Value of $(1) must be one of the following: $(2))
|
||
|
|
endif
|
||
|
|
# value must be a single word (no whitespace)
|
||
|
|
ifneq ($$(words $($(1))),1)
|
||
|
|
$$(error Value of $(1) must be one of the following: $(2))
|
||
|
|
endif
|
||
|
|
endef
|
||
|
|
|
||
|
|
# Returns the path to the command $(1) if exists. Otherwise returns an empty string.
|
||
|
|
find-command = $(shell which $(1) 2>/dev/null)
|