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