1# $NetBSD: varmod-to-abs.mk,v 1.5 2020/11/15 05:48:17 rillig Exp $ 2# 3# Tests for the :tA variable modifier, which returns the absolute path for 4# each of the words in the variable value. 5 6# TODO: Implementation 7 8# Between 2016-06-03 and 2020-11-14, it was possible to trick the :tA modifier 9# into resolving completely unrelated absolute paths by defining a global 10# variable with the same name as the path that is to be resolved. There were 11# a few restrictions though: The "redirected" path had to start with a slash, 12# and it had to exist (see ModifyWord_Realpath). 13# 14# This unintended behavior was caused by cached_realpath using a GNode for 15# keeping the cache, just like the GNode for global variables. 16.MAKEFLAGS: -dd 17does-not-exist.c= /dev/null 18.info ${does-not-exist.c:L:tA} 19.info ${does-not-exist.c:L:tA} 20 21# The output of the following line is modified by the global _SED_CMDS in 22# unit-tests/Makefile. See the .rawout file for the truth. 23.info ${MAKEFILE:tA} 24 25.MAKEFLAGS: -d0 26 27all: 28 @:; 29