[src/trunk]: src/usr.bin/make/unit-tests make(1): set more predictable enviro...

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

details:   https://anonhg.NetBSD.org/src/rev/c13e6086483d
branches:  trunk
changeset: 1012587:c13e6086483d
user:      rillig <rillig%NetBSD.org@localhost>
date:      Sun Aug 02 22:43:14 2020 +0000

description:
make(1): set more predictable environment for counter test

Having an environment variable or a global variable called "C" would
change the debug output since an existing variable is not set to the
empty value first.  See parse.c, keyword "!Var_Exists".

diffstat:

 usr.bin/make/unit-tests/Makefile |  5 +++--
 1 files changed, 3 insertions(+), 2 deletions(-)

diffs (26 lines):

diff -r 0f2b72457081 -r c13e6086483d usr.bin/make/unit-tests/Makefile
--- a/usr.bin/make/unit-tests/Makefile  Sun Aug 02 20:39:52 2020 +0000
+++ b/usr.bin/make/unit-tests/Makefile  Sun Aug 02 22:43:14 2020 +0000
@@ -1,4 +1,4 @@
-# $NetBSD: Makefile,v 1.81 2020/08/02 14:53:02 rillig Exp $
+# $NetBSD: Makefile,v 1.82 2020/08/02 22:43:14 rillig Exp $
 #
 # Unit tests for make(1)
 #
@@ -85,6 +85,7 @@
 TESTS+=                varshell
 
 # Override environment variables for some of the tests.
+ENV.counter=           -i
 ENV.envfirst=          FROM_ENV=value-from-env
 ENV.export=            -i PATH=${PATH:Q}
 ENV.varmisc=           FROM_ENV=env
@@ -92,7 +93,7 @@
 ENV.varmisc+=          FROM_ENV_AFTER=env
 
 # Override make flags for some of the tests; default is -k.
-FLAGS.counter=         -dv
+FLAGS.counter=         -r -dv
 FLAGS.doterror=                # none
 FLAGS.envfirst=                -e
 FLAGS.export=          -r