linux-kernel - [PATCH 16/24] ver

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Message-ID: <CAJ1xhMU9iE-k3=zuQBXXRM9Rp1yAC_oR-ObdaqZwvXm13sLUtA@mail.gmail.com>
Date:	Sat, 3 Oct 2015 16:41:49 +0300
From:	Alexander Kapshuk <alexander.kapshuk@...il.com>
To:	linux-kernel <linux-kernel@...r.kernel.org>
Cc:	Greg KH <gregkh@...uxfoundation.org>
Subject: [PATCH 16/24] ver_linux: ldd.patch

Neither 'libg++.so', nor 'libstdc++.so' were found where the current
implementation expects them to be found in the distros below.


Gentoo Linux
Debian 6.0.10
Oracle Linux Server release 7.1

The proposed implementation relies on 'ldconfig' to locate the libraries
in question.  'Sed' is used to do the text processing.



Signed-off-by: Alexander Kapshuk <alexander.kapshuk@...il.com>
---
--- linux/scripts/ver_linux.orig    2015-10-03 13:41:57.118790241 +0300
+++ linux/scripts/ver_linux    2015-10-03 13:58:19.822084916 +0300
@@ -65,8 +65,19 @@
 ldd -v > /dev/null 2>&1 && ldd -v || ldd --version |head -n 1 | awk \
 'NR==1{print "Dynamic linker (ldd)  ", $NF}'

-ls -l /usr/lib/libg++.so /usr/lib/libstdc++.so  2>/dev/null | awk -F. \
-       '{print "Linux C++ Library      " $4"."$5"."$6}'
+libcpp=`test -x "$ldconfig" &&
+    $ldconfig -p |
+    awk '/(libg|stdc)[+]+\.so/ {
+    print $NF
+    exit
+    }
+'`
+test -r "$libcpp" &&
+ls -l $libcpp |
+sed '
+    s!.*so\.!!
+    s!^!Linux C++ Library\t!
+'

 ps --version 2>&1 | grep version | awk \
 'NR==1{print "Procps                ", $NF}'
--
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