Module Name: src
Committed By: rillig
Date: Tue Oct 6 21:19:17 UTC 2020
Modified Files:
src/usr.bin/make/unit-tests: varmod-sysv.mk
Log Message:
make(1): add test for double expansion in SySV modifier
To generate a diff of this commit:
cvs rdiff -u -r1.4 -r1.5 src/usr.bin/make/unit-tests/varmod-sysv.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-sysv.mk
diff -u src/usr.bin/make/unit-tests/varmod-sysv.mk:1.4 src/usr.bin/make/unit-tests/varmod-sysv.mk:1.5
--- src/usr.bin/make/unit-tests/varmod-sysv.mk:1.4 Tue Oct 6 21:05:21 2020
+++ src/usr.bin/make/unit-tests/varmod-sysv.mk Tue Oct 6 21:19:17 2020
@@ -1,4 +1,4 @@
-# $NetBSD: varmod-sysv.mk,v 1.4 2020/10/06 21:05:21 rillig Exp $
+# $NetBSD: varmod-sysv.mk,v 1.5 2020/10/06 21:19:17 rillig Exp $
#
# Tests for the ${VAR:from=to} variable modifier, which replaces the suffix
# "from" with "to". It can also use '%' as a wildcard.
@@ -88,3 +88,15 @@ LIST= one two
.if ${LIST:%nes=%xxx} != "one two" # lhs is longer than the word "one"
. error
.endif
+
+# As of 2020-10-06, the right-hand side of the SysV modifier is expanded
+# twice. The first expansion happens in ApplyModifier_SysV, where the
+# modifier is split into its two parts. The second expansion happens
+# when each word is replaced in ModifyWord_SYSVSubst.
+# XXX: This is unexpected. Add more test case to demonstrate the effects
+# of removing one of the expansions.
+VALUE= value
+INDIRECT= 1:${VALUE} 2:$${VALUE} 4:$$$${VALUE}
+.if ${x:L:x=${INDIRECT}} != "1:value 2:value 4:\${VALUE}"
+. error
+.endif
