Module Name: src
Committed By: rillig
Date: Tue Nov 30 23:58:10 UTC 2021
Modified Files:
src/usr.bin/make/unit-tests: varname-dot-make-save_dollars.mk
Log Message:
tests/make: document that undefining .MAKE.SAVE_DOLLARS has no effect
To generate a diff of this commit:
cvs rdiff -u -r1.3 -r1.4 \
src/usr.bin/make/unit-tests/varname-dot-make-save_dollars.mk
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/usr.bin/make/unit-tests/varname-dot-make-save_dollars.mk
diff -u src/usr.bin/make/unit-tests/varname-dot-make-save_dollars.mk:1.3 src/usr.bin/make/unit-tests/varname-dot-make-save_dollars.mk:1.4
--- src/usr.bin/make/unit-tests/varname-dot-make-save_dollars.mk:1.3 Tue Nov 30 23:52:19 2021
+++ src/usr.bin/make/unit-tests/varname-dot-make-save_dollars.mk Tue Nov 30 23:58:10 2021
@@ -1,4 +1,4 @@
-# $NetBSD: varname-dot-make-save_dollars.mk,v 1.3 2021/11/30 23:52:19 rillig Exp $
+# $NetBSD: varname-dot-make-save_dollars.mk,v 1.4 2021/11/30 23:58:10 rillig Exp $
#
# Tests for the special .MAKE.SAVE_DOLLARS variable, which controls whether
# the assignment operator ':=' converts '$$' to a single '$' or keeps it
@@ -51,9 +51,28 @@ VAR:= $$$$-${.MAKE.SAVE_DOLLARS::=yes}-
# The '$' from the ':U' expressions are indirect, therefore SAVE_DOLLARS
# doesn't apply to them.
+.MAKE.SAVE_DOLLARS= no
VAR:= ${:U\$\$\$\$}-${.MAKE.SAVE_DOLLARS::=yes}-${:U\$\$\$\$}
.if ${VAR} != "\$\$--\$\$"
. error
.endif
+# Undefining .MAKE.SAVE_DOLLARS does not have any effect, in particular it
+# does not restore the default behavior.
+.MAKE.SAVE_DOLLARS= no
+.undef .MAKE.SAVE_DOLLARS
+VAR:= $$$$$$$$
+.if ${VAR} != "\$\$"
+. error
+.endif
+
+# Undefining .MAKE.SAVE_DOLLARS does not have any effect, in particular it
+# does not restore the default behavior.
+.MAKE.SAVE_DOLLARS= yes
+.undef .MAKE.SAVE_DOLLARS
+VAR:= $$$$$$$$
+.if ${VAR} != "\$\$\$\$"
+. error
+.endif
+
all:
