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[src/trunk]: src/usr.bin/make/unit-tests make(1): add test for setting a vari...
details: https://anonhg.NetBSD.org/src/rev/695abcc73d1d
branches: trunk
changeset: 945274:695abcc73d1d
user: rillig <rillig%NetBSD.org@localhost>
date: Sun Oct 25 09:46:25 2020 +0000
description:
make(1): add test for setting a variable in a GNode context
This edge case is probably not used widely. The local variables of a
GNode should only ever be the predefined variables.
diffstat:
usr.bin/make/unit-tests/var-class-local.exp | 1 +
usr.bin/make/unit-tests/var-class-local.mk | 7 +++++--
2 files changed, 6 insertions(+), 2 deletions(-)
diffs (24 lines):
diff -r d28c05a7f3fa -r 695abcc73d1d usr.bin/make/unit-tests/var-class-local.exp
--- a/usr.bin/make/unit-tests/var-class-local.exp Sun Oct 25 09:30:45 2020 +0000
+++ b/usr.bin/make/unit-tests/var-class-local.exp Sun Oct 25 09:46:25 2020 +0000
@@ -1,1 +1,2 @@
+: all overwritten
exit status 0
diff -r d28c05a7f3fa -r 695abcc73d1d usr.bin/make/unit-tests/var-class-local.mk
--- a/usr.bin/make/unit-tests/var-class-local.mk Sun Oct 25 09:30:45 2020 +0000
+++ b/usr.bin/make/unit-tests/var-class-local.mk Sun Oct 25 09:46:25 2020 +0000
@@ -1,4 +1,4 @@
-# $NetBSD: var-class-local.mk,v 1.3 2020/10/23 17:21:22 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 $@.
@@ -25,4 +25,7 @@
.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}
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