From 0806a403d65ef6a7f16e2c17aa8286100ebad5d7 Mon Sep 17 00:00:00 2001
From: Paul Smith <psmith@gnu.org>
Date: Wed, 15 Feb 2006 23:54:42 +0000
Subject: Fix Savannah bug #106: keep separate track of which variable we are
 expanding, and use that info when generating error messages instead of the
 file info, where appropriate.

---
 tests/scripts/options/warn-undefined-variables | 25 +++++++++++++++++++++++++
 1 file changed, 25 insertions(+)
 create mode 100644 tests/scripts/options/warn-undefined-variables

(limited to 'tests/scripts/options')

diff --git a/tests/scripts/options/warn-undefined-variables b/tests/scripts/options/warn-undefined-variables
new file mode 100644
index 0000000..34bfaea
--- /dev/null
+++ b/tests/scripts/options/warn-undefined-variables
@@ -0,0 +1,25 @@
+#                                                                    -*-perl-*-
+
+$description = "Test the --warn-undefined-variables option.";
+
+$details = "Verify that warnings are printed for referencing undefined variables.";
+
+# Without --warn-undefined-variables, nothing should happen
+run_make_test('
+EMPTY =
+EREF = $(EMPTY)
+UREF = $(UNDEFINED)
+
+SEREF := $(EREF)
+SUREF := $(UREF)
+
+all: ; @echo ref $(EREF) $(UREF)',
+              '', 'ref');
+
+# With --warn-undefined-variables, it should warn me
+run_make_test(undef, '--warn-undefined-variables',
+              "#MAKEFILE#:7: warning: undefined variable `UNDEFINED'
+#MAKEFILE#:9: warning: undefined variable `UNDEFINED'
+ref");
+
+1;
-- 
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