From c78e539d725e0aeccd5bddd9ecf7a64220819545 Mon Sep 17 00:00:00 2001
From: David Somero <xgizzmo@slackbuilds.org>
Date: Fri, 4 Jun 2010 01:05:30 -0400
Subject: [PATCH] graphics/optipng: Misc automated cleanups.

Signed-off-by: David Somero <xgizzmo@slackbuilds.org>
---
 graphics/optipng/optipng.SlackBuild | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/graphics/optipng/optipng.SlackBuild b/graphics/optipng/optipng.SlackBuild
index 5ec705367b..ee5d256023 100644
--- a/graphics/optipng/optipng.SlackBuild
+++ b/graphics/optipng/optipng.SlackBuild
@@ -5,10 +5,19 @@
 
 PRGNAM=optipng
 VERSION=0.6.3
-ARCH=${ARCH:-i486}
 BUILD=${BUILD:-1}
 TAG=${TAG:-_SBo}
 
+# Automatically determine the architecture we're building on:
+if [ -z "$ARCH" ]; then
+  case "$( uname -m )" in
+    i?86) ARCH=i486 ;;
+    arm*) ARCH=arm ;;
+    # Unless $ARCH is already set, use uname -m for all other archs:
+       *) ARCH=$( uname -m ) ;;
+  esac
+fi
+
 CWD=$(pwd)
 TMP=${TMP:-/tmp/SBo}
 PKG=$TMP/package-$PRGNAM