From c6a552e793406bf8916263bfb326251fce8a7fe5 Mon Sep 17 00:00:00 2001
From: Paul Mucur <mudge@mudge.name>
Date: Tue, 16 Aug 2011 23:22:52 +0200
Subject: [PATCH] Solaris doesn't come with readlink so use greadlink if
 available instead. (Taken from Ryan Tomayko's "GNU is killing Solaris", c.f.
 http://tomayko.com/writings/gnu-is-killing-solaris)

---
 bin/ruby-build | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)
 mode change 100755 => 100644 bin/ruby-build

diff --git a/bin/ruby-build b/bin/ruby-build
old mode 100755
new mode 100644
index d5cad326..e6fd63b7
--- a/bin/ruby-build
+++ b/bin/ruby-build
@@ -3,6 +3,10 @@
 set -E
 exec 3<&2 # preserve original stderr at fd 3
 
+resolve_link() {
+  $(type -p greadlink readlink | head -1) $1
+}
+
 abs_dirname() {
   local cwd="$(pwd)"
   local path="$1"
@@ -10,7 +14,7 @@ abs_dirname() {
   while [ -n "$path" ]; do
     cd "${path%/*}"
     local name="${path##*/}"
-    path="$(readlink "$name" || true)"
+    path="$(resolve_link "$name" || true)"
   done
 
   pwd