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From 718e9cbd59f0739fc9104af111e42fff66f927a7 Mon Sep 17 00:00:00 2001
From: Niko Tyni <ntyni@debian.org>
Date: Sun, 3 Oct 2010 21:36:17 +0300
Subject: 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 | 4 ++++
pod/perllocale.pod | 8 ++++++++
2 files changed, 12 insertions(+), 0 deletions(-)
diff --git a/locale.c b/locale.c
index 4631b86..94a0962 100644
--- a/locale.c
+++ b/locale.c
@@ -359,6 +359,10 @@ Perl_init_i18nl10n(pTHX_ int printwarn)
char *p;
const bool locwarn = (printwarn > 1 ||
(printwarn &&
+
+ /* Debian specific change - see http://bugs.debian.org/508764 */
+ (!PerlEnv_getenv("DPKG_RUNNING_VERSION")) &&
+
(!(p = PerlEnv_getenv("PERL_BADLANG")) || atoi(p))));
if (locwarn) {
diff --git a/pod/perllocale.pod b/pod/perllocale.pod
index 8926d8b..6c55889 100644
--- a/pod/perllocale.pod
+++ b/pod/perllocale.pod
@@ -861,6 +861,14 @@ B<NOTE>: 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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