diff options
Diffstat (limited to 'contrib/bmake/unit-tests/varname-dot-make-level.mk')
| -rw-r--r-- | contrib/bmake/unit-tests/varname-dot-make-level.mk | 57 |
1 files changed, 52 insertions, 5 deletions
diff --git a/contrib/bmake/unit-tests/varname-dot-make-level.mk b/contrib/bmake/unit-tests/varname-dot-make-level.mk index c4f2c0db7da6..a85fbeb53b4c 100644 --- a/contrib/bmake/unit-tests/varname-dot-make-level.mk +++ b/contrib/bmake/unit-tests/varname-dot-make-level.mk @@ -1,8 +1,55 @@ -# $NetBSD: varname-dot-make-level.mk,v 1.2 2020/08/16 14:25:16 rillig Exp $ +# $NetBSD: varname-dot-make-level.mk,v 1.6 2025/03/22 12:23:00 rillig Exp $ # -# Tests for the special .MAKE.LEVEL variable. +# Tests for the special .MAKE.LEVEL variable, which informs about the +# recursion level. It is related to the environment variable MAKELEVEL, +# even though they don't have the same value. -# TODO: Implementation +all: .PHONY level_1 set-env-same set-env-different -all: - @:; +# expect: level 1: variable 0, env 1 +level_1: .PHONY + @printf 'level 1: variable %s, env %s\n' ${.MAKE.LEVEL} "$$${.MAKE.LEVEL.ENV}" + @${MAKE} -f ${MAKEFILE} level_2 + +# expect: level 2: variable 1, env 2 +level_2: .PHONY + @printf 'level 2: variable %s, env %s\n' ${.MAKE.LEVEL} "$$${.MAKE.LEVEL.ENV}" + @${MAKE} -f ${MAKEFILE} level_3 + +# The .unexport-env directive clears the environment, except for the +# .MAKE.LEVEL.ENV make variable, which by default refers to the MAKELEVEL +# environment variable. +.if make(level_2) +.unexport-env +.endif + +# expect: level 3: variable 2, env 3 +level_3: .PHONY + @printf 'level 3: variable %s, env %s\n' ${.MAKE.LEVEL} "$$${.MAKE.LEVEL.ENV}" + + +# When a variable assignment from the command line tries to override a +# read-only global variable with the same value as before, ignore the +# assignment, as the variable value would not change. +# +# This special case allows older versions of make to coexist with newer +# versions of make. Older version of make (up to NetBSD 9) stored the internal +# .MAKE.LEVEL.ENV variable in the scope for command line variables, and these +# variables were passed to sub-makes via .MAKEOVERRIDES and the MAKEFLAGS +# environment variable. Newer versions of make (since NetBSD 11) store the +# internal .MAKE.LEVEL.ENV variable in the global scope but make it read-only +# and prevent any attempts to override it. +# +# https://gnats.netbsd.org/59184 +set-env-same: .PHONY + : ${.TARGET} + @${MAKE} -f ${MAKEFILE} ok .MAKE.LEVEL.ENV=${.MAKE.LEVEL.ENV} || echo "${.TARGET}: exit $$?" + + +# expect: make: Cannot override read-only global variable ".MAKE.LEVEL.ENV" with a command line variable +set-env-different: .PHONY + : ${.TARGET} + @${MAKE} -f ${MAKEFILE} ok .MAKE.LEVEL.ENV=CUSTOM || echo "${.TARGET}: exit $$?" + +ok: .PHONY + @echo ok |