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From dd00a91a2b83a988d3986c0adc3e094c441d909b Mon Sep 17 00:00:00 2001
From: Niko Tyni <ntyni@debian.org>
Date: Sun, 3 Oct 2010 21:36:17 +0300
Subject: [PATCH] Squelch locale warnings in Debian package maintainer scripts
Bug-Debian: http://bugs.debian.org/508764
The system locales are rather frequently out of sync with the C library
during package upgrades, causing a huge amount of useless Perl locale
warnings. Squelch them when running package maintainer scripts, detected
by the DPKG_RUNNING_VERSION environment variable.
Any real locale problem will show up after the system upgrade too, and
the warning will be triggered normally again at that point.
Patch-Name: debian/squelch-locale-warnings.diff
---
locale.c | 5 ++++-
pod/perllocale.pod | 8 ++++++++
2 files changed, 12 insertions(+), 1 deletion(-)
diff --git a/locale.c b/locale.c
index 258542a..1aeba7b 100644
--- a/locale.c
+++ b/locale.c
@@ -942,7 +942,10 @@ Perl_init_i18nl10n(pTHX_ int printwarn)
const bool locwarn = (printwarn > 1
|| (printwarn
- && (! bad_lang_use_once
+ &&
+ /* Debian specific change - see http://bugs.debian.org/508764 */
+ (!PerlEnv_getenv("DPKG_RUNNING_VERSION")) &&
+ (! bad_lang_use_once
|| (
/* disallow with "" or "0" */
*bad_lang_use_once
diff --git a/pod/perllocale.pod b/pod/perllocale.pod
index 44da58f..011a506 100644
--- a/pod/perllocale.pod
+++ b/pod/perllocale.pod
@@ -1236,6 +1236,14 @@ B<NOTE>: C<PERL_BADLANG> only gives you a way to hide the warning message.
The message tells about some problem in your system's locale support,
and you should investigate what the problem is.
+=item DPKG_RUNNING_VERSION
+
+On Debian systems, if the DPKG_RUNNING_VERSION environment variable is
+set (to any value), the locale failure warnings will be suppressed just
+like with a zero PERL_BADLANG setting. This is done to avoid floods
+of spurious warnings during system upgrades.
+See L<http://bugs.debian.org/508764>.
+
=back
The following environment variables are not specific to Perl: They are
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