[src/trunk]: src/usr.bin/make/unit-tests make(1): add test for dynamic variab...

[rillig <rillig%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/2e01ef425296
branches:  trunk
changeset: 946221:2e01ef425296
user:      rillig <rillig%NetBSD.org@localhost>
date:      Sat Nov 21 15:48:05 2020 +0000

description:
make(1): add test for dynamic variable with modifiers in global context

diffstat:

 usr.bin/make/unit-tests/varparse-dynamic.mk |  12 +++++++++++-
 1 files changed, 11 insertions(+), 1 deletions(-)

diffs (25 lines):

diff -r fabf91c553ff -r 2e01ef425296 usr.bin/make/unit-tests/varparse-dynamic.mk
--- a/usr.bin/make/unit-tests/varparse-dynamic.mk       Sat Nov 21 15:36:36 2020 +0000
+++ b/usr.bin/make/unit-tests/varparse-dynamic.mk       Sat Nov 21 15:48:05 2020 +0000
@@ -1,4 +1,4 @@
-# $NetBSD: varparse-dynamic.mk,v 1.2 2020/09/13 21:00:34 rillig Exp $
+# $NetBSD: varparse-dynamic.mk,v 1.3 2020/11/21 15:48:05 rillig Exp $
 
 # Before 2020-07-27, there was an off-by-one error in Var_Parse that skipped
 # the last character in the variable name.
@@ -21,5 +21,15 @@
 .  error
 .endif
 
+# If a dynamic variable is expanded in a non-local context, the expression
+# based on this variable is not expanded.  But there may be nested variable
+# expressions in the modifiers, and these are kept unexpanded as well.
+.if ${.TARGET:M${:Ufallback}} != "\${.TARGET:M\${:Ufallback}}"
+.  error
+.endif
+.if ${.TARGET:M${UNDEF}} != "\${.TARGET:M\${UNDEF}}"
+.  error
+.endif
+
 all:
        @: