mirror of
https://github.com/freebsd/freebsd-src
synced 2024-09-06 17:18:32 +00:00
8c973ee23d
Merge commit '51d8a8b4ac1dd7265e891149e470a803906de2a7'
29 lines
922 B
Makefile
29 lines
922 B
Makefile
# $NetBSD: opt.mk,v 1.7 2023/02/25 00:07:08 rillig Exp $
|
|
#
|
|
# Tests for the command line options.
|
|
|
|
.MAKEFLAGS: -d0 # make stdout line-buffered
|
|
|
|
all: .IGNORE
|
|
# The options from the top-level make are passed to the sub-makes via
|
|
# the environment variable MAKEFLAGS. This is where the " -r -k -d 0"
|
|
# comes from. See MainParseOption.
|
|
${MAKE} -r -f /dev/null -V MAKEFLAGS
|
|
@echo
|
|
|
|
# Just to see how the custom argument parsing code reacts to a syntax
|
|
# error. The colon is used in the options string, marking an option
|
|
# that takes arguments. It is not an option by itself, though.
|
|
${MAKE} -:
|
|
@echo
|
|
|
|
# See whether a '--' stops handling of command line options, like in
|
|
# standard getopt programs. Yes, it does, and it treats the
|
|
# second '-f' as a target to be created.
|
|
${MAKE} -r -f /dev/null -- -VAR=value -f /dev/null
|
|
@echo
|
|
|
|
# This is the normal way to print the usage of a command.
|
|
${MAKE} -?
|
|
@echo
|