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[src/trunk]: src/usr.bin/make/unit-tests make: document since when indirect m...
details: https://anonhg.NetBSD.org/src/rev/9462588a918b
branches: trunk
changeset: 952676:9462588a918b
user: rillig <rillig%NetBSD.org@localhost>
date: Sun Feb 14 17:22:37 2021 +0000
description:
make: document since when indirect modifiers are supported
diffstat:
usr.bin/make/unit-tests/varmod-indirect.mk | 8 +++++---
1 files changed, 5 insertions(+), 3 deletions(-)
diffs (28 lines):
diff -r 3677711c7143 -r 9462588a918b usr.bin/make/unit-tests/varmod-indirect.mk
--- a/usr.bin/make/unit-tests/varmod-indirect.mk Sun Feb 14 16:12:46 2021 +0000
+++ b/usr.bin/make/unit-tests/varmod-indirect.mk Sun Feb 14 17:22:37 2021 +0000
@@ -1,11 +1,13 @@
-# $NetBSD: varmod-indirect.mk,v 1.6 2021/02/14 16:12:46 rillig Exp $
+# $NetBSD: varmod-indirect.mk,v 1.7 2021/02/14 17:22:37 rillig Exp $
#
# Tests for indirect variable modifiers, such as in ${VAR:${M_modifiers}}.
# These can be used for very basic purposes like converting a string to either
# uppercase or lowercase, as well as for fairly advanced modifiers that first
# look like line noise and are hard to decipher.
#
-# TODO: Since when are indirect modifiers supported?
+# Initial support for indirect modifiers was added in var.c 1.101 from
+# 2006-02-18. Since var.c 1.108 from 2006-05-11 it is possible to use
+# indirect modifiers for all but the very first modifier as well.
# To apply a modifier indirectly via another variable, the whole
@@ -202,7 +204,7 @@
# interpretation only lasts until the end of the indirect modifier, it does
# not influence the outer variable expression.
#
-# In this expression, the direct ':ts*' has no effect since ':U' does not
+# In this first expression, the direct ':ts*' has no effect since ':U' does not
# treat the expression value as a list of words but as a single word. It has
# to be ':U', not ':D', since the "expression name" is "1 2 3" and there is no
# variable of that name.
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