diff options
Diffstat (limited to 'unit-tests/varmod-defined.mk')
| -rw-r--r-- | unit-tests/varmod-defined.mk | 18 |
1 files changed, 17 insertions, 1 deletions
diff --git a/unit-tests/varmod-defined.mk b/unit-tests/varmod-defined.mk index a722ebf666e6..59b9d79d754b 100644 --- a/unit-tests/varmod-defined.mk +++ b/unit-tests/varmod-defined.mk @@ -1,8 +1,10 @@ -# $NetBSD: varmod-defined.mk,v 1.7 2020/10/24 08:46:08 rillig Exp $ +# $NetBSD: varmod-defined.mk,v 1.9 2020/11/12 00:40:55 rillig Exp $ # # Tests for the :D variable modifier, which returns the given string # if the variable is defined. It is closely related to the :U modifier. +.MAKE.SAVE_DOLLARS= yes + DEF= defined .undef UNDEF @@ -85,5 +87,19 @@ DEF= defined # TODO: Add more tests for parsing the plain text part, to cover each branch # of ApplyModifier_Defined. +# The :D and :U modifiers behave differently from the :@var@ modifier in +# that they preserve dollars in a ':=' assignment. This is because +# ApplyModifier_Defined passes the eflags unmodified to Var_Parse, unlike +# ApplyModifier_Loop, which uses ParseModifierPart, which in turn removes +# VARE_KEEP_DOLLAR from eflags. +# +# XXX: This inconsistency is documented nowhere. +.MAKEFLAGS: -dv +8_DOLLARS= $$$$$$$$ +VAR:= ${8_DOLLARS} +VAR:= ${VAR:D${8_DOLLARS}} +VAR:= ${VAR:@var@${8_DOLLARS}@} +.MAKEFLAGS: -d0 + all: @:; |