From 5a6a3ba43a1830c712e29d09e341e3cf14aea507 Mon Sep 17 00:00:00 2001
From: Ludovic Courtès <ludo@gnu.org>
Date: Sun, 1 Jun 2014 22:53:16 +0200
Subject: gnu: util-linux: Remove dependency on Perl.

* gnu/packages/linux.scm (util-linux)[source](patches): New field.
* gnu/packages/patches/util-linux-perl.patch: New file.
* gnu-system.am (dist_patch_DATA): Add it.
---
 gnu/packages/patches/util-linux-perl.patch | 15 +++++++++++++++
 1 file changed, 15 insertions(+)
 create mode 100644 gnu/packages/patches/util-linux-perl.patch

(limited to 'gnu/packages/patches')

diff --git a/gnu/packages/patches/util-linux-perl.patch b/gnu/packages/patches/util-linux-perl.patch
new file mode 100644
index 0000000000..c657a1b5ae
--- /dev/null
+++ b/gnu/packages/patches/util-linux-perl.patch
@@ -0,0 +1,15 @@
+Use this common trick that exploits similarities between sh and Perl syntax
+to avoid a hard dependency on Perl.  Instead, this script will work only
+when 'perl' is available in $PATH.
+
+--- util-linux-2.21.2/misc-utils/chkdupexe.pl	2012-05-15 13:51:45.000000000 +0200
++++ util-linux-2.21.2/misc-utils/chkdupexe.pl	2014-06-01 22:46:06.000000000 +0200
+@@ -1,5 +1,6 @@
+-#!@PERL@ -w
+-#
++eval '(exit $?0)' && eval 'exec perl -wS "$0" ${1+"$@"}'
++  & eval 'exec perl -wS "$0" $argv:q'
++    if 0;
+ # chkdupexe version 2.1.1
+ #
+ # Simple script to look for and list duplicate executables and dangling
-- 
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