freebsd-skq/contrib/bmake/unit-tests/cmd-errors-lint.mk
Simon J. Gerraty e2eeea75eb Merge bmake-20201117
o allow env var MAKE_OBJDIR_CHECK_WRITABLE=no to skip writable
  checks in InitObjdir.  Explicit .OBJDIR target always allows
  read-only directory.

o More code cleanup and refactoring.

o More unit tests

MFC after:	1 week
2020-11-20 06:02:31 +00:00

33 lines
895 B
Makefile

# $NetBSD: cmd-errors-lint.mk,v 1.1 2020/11/02 20:43:27 rillig Exp $
#
# Demonstrate how errors in variable expansions affect whether the commands
# are actually executed.
.MAKEFLAGS: -dL
all: undefined unclosed-variable unclosed-modifier unknown-modifier end
# Undefined variables 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-variable:
: $@ ${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:
: $@