Module Name: src
Committed By: rillig
Date: Sun Sep 13 20:04:27 UTC 2020
Modified Files:
src/usr.bin/make/unit-tests: dep-var.mk
Log Message:
make(1): explain why the dep-var test behaves differently in lint mode
To generate a diff of this commit:
cvs rdiff -u -r1.4 -r1.5 src/usr.bin/make/unit-tests/dep-var.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/dep-var.mk
diff -u src/usr.bin/make/unit-tests/dep-var.mk:1.4 src/usr.bin/make/unit-tests/dep-var.mk:1.5
--- src/usr.bin/make/unit-tests/dep-var.mk:1.4 Tue Sep 8 05:26:22 2020
+++ src/usr.bin/make/unit-tests/dep-var.mk Sun Sep 13 20:04:26 2020
@@ -1,4 +1,4 @@
-# $NetBSD: dep-var.mk,v 1.4 2020/09/08 05:26:22 rillig Exp $
+# $NetBSD: dep-var.mk,v 1.5 2020/09/13 20:04:26 rillig Exp $
#
# Tests for variable references in dependency declarations.
#
@@ -73,6 +73,14 @@ DEF2= def2
# would be interpreted as a dependency operator instead.
all: $$$$)
+# The $$INDIRECT in the following line is treated like the dependency of the
+# "all" target, that is, the "$$I" is first expanded to "$I", and in a second
+# round of expansion, the "$I" expands to nothing since the variable "I" is
+# undefined.
+#
+# Since 2020-09-13, this generates a parse error in lint mode (-dL), but not
+# in normal mode since ParseDoDependency does not handle any errors after
+# calling Var_Parse.
undef1 def2 a-def2-b 1-2-$$INDIRECT_2-2-1 ${:U\$)}:
@echo ${.TARGET:Q}
