1# $NetBSD: var-class-local.mk,v 1.5 2020/11/05 18:08:39 rillig Exp $ 2# 3# Tests for target-local variables, such as ${.TARGET} or $@. 4 5# TODO: Implementation 6 7# Ensure that the name of the variable is exactly the given one. 8# The variable "@" is an alias for ".TARGET", so the implementation might 9# canonicalize these aliases at some point, and that might be surprising. 10# This aliasing happens for single-character variable names like $@ or $< 11# (see VarFind, CanonicalVarname), but not for braced or parenthesized 12# expressions like ${@}, ${.TARGET} ${VAR:Mpattern} (see Var_Parse, 13# ParseVarname). 14.if ${@:L} != "@" 15. error 16.endif 17.if ${.TARGET:L} != ".TARGET" 18. error 19.endif 20.if ${@F:L} != "@F" 21. error 22.endif 23.if ${@D:L} != "@D" 24. error 25.endif 26 27all: 28 29.SUFFIXES: .c .o 30 31var-class-local.c: 32 : Making ${.TARGET} out of nothing. 33 34.c.o: 35 : Making ${.TARGET} from ${.IMPSRC}. 36 37 # The local variables @F, @D, <F, <D are legacy forms. 38 # See the manual page for details. 39 : Making basename "${@F}" in "${@D}" from "${<F}" in "${<D}". 40 41all: var-class-local.o 42 # The ::= modifier overwrites the .TARGET variable in the node 43 # 'all', not in the global scope. This can be seen with the -dv 44 # option, looking for "all:@ = overwritten". 45 : ${.TARGET} ${.TARGET::=overwritten}${.TARGET} 46