1# $NetBSD: varname-dot-makeflags.mk,v 1.7 2023/02/25 19:24:07 rillig Exp $ 2# 3# Tests for the special .MAKEFLAGS variable, which collects almost all 4# command line arguments and passes them on to any child processes via 5# the environment variable MAKEFLAGS (without leading '.'). 6# 7# See also: 8# varname-dot-makeoverrides.mk 9 10.info MAKEFLAGS=<${MAKEFLAGS:Uundefined}> 11.info .MAKEFLAGS=<${.MAKEFLAGS}> 12.info .MAKEOVERRIDES=<${.MAKEOVERRIDES:Uundefined}> 13 14# Append an option with argument, a plain option and a variable assignment. 15.MAKEFLAGS: -DVARNAME -r VAR=value 16 17# expect+1: MAKEFLAGS=<undefined> 18.info MAKEFLAGS=<${MAKEFLAGS:Uundefined}> 19# expect+1: .MAKEFLAGS=< -r -k -D VARNAME -r> 20.info .MAKEFLAGS=<${.MAKEFLAGS}> 21# expect+1: .MAKEOVERRIDES=< VAR> 22.info .MAKEOVERRIDES=<${.MAKEOVERRIDES}> 23 24# The environment variable 'MAKEFLAGS' is not available to child processes 25# when parsing the makefiles. This is different from exported variables, 26# which are already available during parse time. 27.if ${:!echo "\${MAKEFLAGS-undef}"!} != "undef" 28. error 29.endif 30 31# After parsing, the environment variable 'MAKEFLAGS' is set based on the 32# special variables '.MAKEFLAGS' and '.MAKEOVERRIDES'. 33runtime: 34 @echo '$@: MAKEFLAGS=<'${MAKEFLAGS:Q}'>' 35 @echo '$@: .MAKEFLAGS=<'${.MAKEFLAGS:Q}'>' 36 @echo '$@: .MAKEOVERRIDES=<'${.MAKEOVERRIDES:Q}'>' 37