# $NetBSD: cmd-errors-lint.mk,v 1.2 2024/04/23 22:51:28 rillig Exp $
#
# Demonstrate how errors in expressions affect whether the commands
# are actually executed.

.MAKEFLAGS: -dL

all: undefined unclosed-expression unclosed-modifier unknown-modifier end

# Undefined variables in expressions are not an error.  They expand to empty
# strings.
undefined:
	: $@ ${UNDEFINED}

# XXX: As of 2020-11-01, this obvious syntax error is not detected.
# XXX: As of 2020-11-01, this command is executed even though it contains
# parse errors.
unclosed-expression:
	: $@ ${UNCLOSED

# XXX: As of 2020-11-01, this obvious syntax error is not detected.
# XXX: As of 2020-11-01, this command is executed even though it contains
# parse errors.
unclosed-modifier:
	: $@ ${UNCLOSED:

# XXX: As of 2020-11-01, this command is executed even though it contains
# parse errors.
unknown-modifier:
	: $@ ${UNKNOWN:Z}

end:
	: $@