diff options
Diffstat (limited to 'unit-tests/var-class-local.mk')
| -rw-r--r-- | unit-tests/var-class-local.mk | 27 |
1 files changed, 25 insertions, 2 deletions
diff --git a/unit-tests/var-class-local.mk b/unit-tests/var-class-local.mk index e75f08ba75a3..68696ea854af 100644 --- a/unit-tests/var-class-local.mk +++ b/unit-tests/var-class-local.mk @@ -1,8 +1,31 @@ -# $NetBSD: var-class-local.mk,v 1.2 2020/08/16 14:25:16 rillig Exp $ +# $NetBSD: var-class-local.mk,v 1.4 2020/10/25 09:46:25 rillig Exp $ # # Tests for target-local variables, such as ${.TARGET} or $@. # TODO: Implementation +# Ensure that the name of the variable is exactly the given one. +# The variable "@" is an alias for ".TARGET", so the implementation might +# canonicalize these aliases at some point, and that might be surprising. +# This aliasing happens for single-character variable names like $@ or $< +# (see VarFind, CanonicalVarname), but not for braced or parenthesized +# expressions like ${@}, ${.TARGET} ${VAR:Mpattern} (see Var_Parse, +# ParseVarname). +.if ${@:L} != "@" +. error +.endif +.if ${.TARGET:L} != ".TARGET" +. error +.endif +.if ${@F:L} != "@F" +. error +.endif +.if ${@D:L} != "@D" +. error +.endif + all: - @:; + # The ::= modifier overwrites the .TARGET variable in the node + # 'all', not in the global scope. This can be seen with the -dv + # option, looking for "all:@ = overwritten". + : ${.TARGET} ${.TARGET::=overwritten}${.TARGET} |