From 44de969cd62abbfe3e7cc7641a8dea7673fd2d6d Mon Sep 17 00:00:00 2001
From: Jim Meyering <jim@meyering.net>
Date: Thu, 1 Mar 2012 23:20:22 +0100
Subject: maint.mk: avoid spurious failure of _sc_search_regexp-using tests

* top/maint.mk: Initialize _sc_search_regexp parameters, so that
envvar settings cannot interfere.  Otherwise, setting envvars like
prohibit=foo require=bar, etc. would cause spurious test failures.
---
 top/maint.mk | 11 +++++++++++
 1 file changed, 11 insertions(+)

(limited to 'top')

diff --git a/top/maint.mk b/top/maint.mk
index 4b0f4b74dd..839f7b2c37 100644
--- a/top/maint.mk
+++ b/top/maint.mk
@@ -219,6 +219,17 @@ syntax-check: $(local-check)
 # when filtering by name via in_files, we explicitly filter out matching
 # names here as well.
 
+# Initialize each, so that envvar settings cannot interfere.
+export require =
+export prohibit =
+export exclude =
+export in_vc_files =
+export in_files =
+export containing =
+export non_containing =
+export halt =
+export with_grep_options =
+
 # By default, _sc_search_regexp does not ignore case.
 export ignore_case =
 _ignore_case = $$(test -n "$$ignore_case" && printf %s -i || :)
-- 
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