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gnu: util-linux: Remove dependency on Perl.

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* 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.
This commit is contained in:
Ludovic Courtès 2014-06-01 22:53:16 +02:00
parent ac52e80b4e
commit 5a6a3ba43a
3 changed files with 25 additions and 9 deletions
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15
gnu/packages/patches/util-linux-perl.patch Normal file
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@ -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