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[src/trunk]: src/usr.bin/make/unit-tests make: clarify what .export ${:U} means
details: https://anonhg.NetBSD.org/src/rev/a72eeba87510
branches: trunk
changeset: 952754:a72eeba87510
user: rillig <rillig%NetBSD.org@localhost>
date: Tue Feb 16 18:12:46 2021 +0000
description:
make: clarify what .export ${:U} means
diffstat:
usr.bin/make/unit-tests/directive-export.mk | 7 +++++--
1 files changed, 5 insertions(+), 2 deletions(-)
diffs (22 lines):
diff -r 163b6b01fb76 -r a72eeba87510 usr.bin/make/unit-tests/directive-export.mk
--- a/usr.bin/make/unit-tests/directive-export.mk Tue Feb 16 18:02:19 2021 +0000
+++ b/usr.bin/make/unit-tests/directive-export.mk Tue Feb 16 18:12:46 2021 +0000
@@ -1,4 +1,4 @@
-# $NetBSD: directive-export.mk,v 1.6 2020/12/13 01:07:54 rillig Exp $
+# $NetBSD: directive-export.mk,v 1.7 2021/02/16 18:12:46 rillig Exp $
#
# Tests for the .export directive.
#
@@ -28,8 +28,11 @@
. error
.endif
-# No argument means to export all variables.
+# No syntactical argument means to export all variables.
.export
+# An empty argument means no additional variables to export.
+.export ${:U}
+
all:
@:;
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