perl-native: backport libnm link fix

pre-5.25.0 perl by default tries to link to an antiquated libnm (new
math) which is not used anymore since the early 1990's. After 2014
another libnm appeared for NetworkManager causing build failures.

(From OE-Core rev: 97d2ba227044571408151f84cfe611e1a72dd816)

Signed-off-by: Ioan-Adrian Ratiu <adrian.ratiu@ni.com>
Signed-off-by: Ross Burton <ross.burton@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta/recipes-devtools/perl/perl-native_5.22.1.bb

@@ -11,6 +11,7 @@ SRC_URI += "\
            file://debian/errno_ver.diff \
            file://dynaloaderhack.patch \
            file://perl-PathTools-don-t-filter-out-blib-from-INC.patch \
+           file://perl-remove-nm-from-libswanted.patch \
           "
 
 SRC_URI[md5sum] = "6671e4829cbaf9cecafa9a84f141b0a3"

meta/recipes-devtools/perl/perl/perl-remove-nm-from-libswanted.patch

@@ -0,0 +1,30 @@
+From 4732711e2548b6d734ca831d65dbcf501a89774e Mon Sep 17 00:00:00 2001
+From: Andreas Koenig <andk@cpan.org>
+Date: Sun, 3 Jan 2016 08:40:33 +0100
+Subject: [PATCH] Remove nm from libswanted
+
+Nm stood for "New Math" library in the context of 1994. 2014 a conflicting
+library libnm appeared that has a network manager context.
+
+Upstream-Status: Backport [commit 4732711e on branch blead, tag v5.25.0]
+
+---
+ Configure | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/Configure b/Configure
+index 0e71b4b..cfbdaa1 100755
+--- a/Configure
++++ b/Configure
+@@ -1464,7 +1464,7 @@ libswanted_uselargefiles=''
+ : set usesocks on the Configure command line to enable socks.
+ : List of libraries we want.
+ : If anyone needs extra -lxxx, put those in a hint file.
+-libswanted="cl pthread socket bind inet nsl nm ndbm gdbm dbm db malloc dl ld"
++libswanted="cl pthread socket bind inet nsl ndbm gdbm dbm db malloc dl ld"
+ libswanted="$libswanted sun m crypt sec util c cposix posix ucb bsd BSD"
+ : We probably want to search /usr/shlib before most other libraries.
+ : This is only used by the lib/ExtUtils/MakeMaker.pm routine extliblist.
+-- 
+2.9.2
+