Module Name: src
Committed By: rillig
Date: Tue Sep 29 18:48:43 UTC 2020
Modified Files:
src/usr.bin/make/unit-tests: varmod-defined.mk
Log Message:
make(1): add test for using the :D variable modifier as comment
To generate a diff of this commit:
cvs rdiff -u -r1.5 -r1.6 src/usr.bin/make/unit-tests/varmod-defined.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/varmod-defined.mk
diff -u src/usr.bin/make/unit-tests/varmod-defined.mk:1.5 src/usr.bin/make/unit-tests/varmod-defined.mk:1.6
--- src/usr.bin/make/unit-tests/varmod-defined.mk:1.5 Sat Sep 12 07:04:51 2020
+++ src/usr.bin/make/unit-tests/varmod-defined.mk Tue Sep 29 18:48:43 2020
@@ -1,4 +1,4 @@
-# $NetBSD: varmod-defined.mk,v 1.5 2020/09/12 07:04:51 rillig Exp $
+# $NetBSD: varmod-defined.mk,v 1.6 2020/09/29 18:48:43 rillig Exp $
#
# Tests for the :D variable modifier, which returns the given string
# if the variable is defined. It is closely related to the :U modifier.
@@ -75,6 +75,13 @@ DEF= defined
. error
.endif
+# Since the variable with the empty name is never defined, the :D modifier
+# can be used to add comments in the middle of an expression. That
+# expression always evaluates to an empty string.
+.if ${:D This is a comment. } != ""
+. error
+.endif
+
# TODO: Add more tests for parsing the plain text part, to cover each branch
# of ApplyModifier_Defined.
