mirror of https://github.com/n64decomp/mk64.git
25 lines
805 B
Makefile
25 lines
805 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: $(2))
|
|
endif
|
|
endef
|
|
|
|
ifeq ($(OS),Windows_NT)
|
|
NULL_OUT := nul
|
|
else
|
|
NULL_OUT = /dev/null
|
|
endif
|
|
# Returns the path to the command $(1) if exists. Otherwise returns an empty string.
|
|
find-command = $(shell which $(1) 2> $(NULL_OUT))
|
|
|
|
# recursive wildcard
|
|
rwildcard=$(foreach d,$(wildcard $(1:=/*)),$(call rwildcard,$d,$2) $(filter $(subst *,%,$2),$d))
|