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[PATCH 6 of 9] configure: make call to readlink portable to non-GNU (BSD) systems

From: Titus von Boxberg <titus at v9g dot de>
To: "Yann E. MORIN" <yann dot morin dot 1998 at anciens dot enib dot fr>
Cc: crossgcc at sourceware dot org
Date: Mon, 17 May 2010 14:27:55 +0200
Subject: [PATCH 6 of 9] configure: make call to readlink portable to non-GNU (BSD) systems
References: <patchbomb.1274099269@tschetwerikow.boxberg.lan>

# HG changeset patch
# User Titus von Boxberg <titus@v9g.de>
# Date 1274091804 -7200
# Node ID 193c8b8e4b7adab64c33016293b809197084af12
# Parent  8a7da2f309b5cb00bcdf78c53100891d4ec2aafb
configure: make call to readlink portable to non-GNU (BSD) systems

The argument '-e' for readlink is a GNU extension.
In setting the variable 'where' the argument '-e' is not necessary, thus eliminated.

diff -r 8a7da2f309b5 -r 193c8b8e4b7a configure
--- a/configure	Mon May 17 12:16:09 2010 +0200
+++ b/configure	Mon May 17 12:23:24 2010 +0200
@@ -160,7 +160,7 @@
                 printf "Checking for '${item}'... "
                 where="$( gcc -print-file-name="${item}" )"
                 if [ "${where}" != "${item}" ]; then
-                    where="$( readlink -e "${where}" )"
+                    where="$( readlink "${where}" )"
                     status=yes
                     break;
                 fi

--
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References:
- [PATCH 0 of 9] MacOS/BSD patches
  - From: Titus von Boxberg

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