1 files changed, 10 insertions, 1 deletions
diff --git a/graphics/VariCAD/VariCAD.SlackBuild b/graphics/VariCAD/VariCAD.SlackBuild
index ab8681a33e829..1444f2961b173 100755
--- a/graphics/VariCAD/VariCAD.SlackBuild
+++ b/graphics/VariCAD/VariCAD.SlackBuild
@@ -9,7 +9,6 @@
 
 PRGNAM=VariCAD
 VERSION=${VERSION:-2010_2.06}
-ARCH=${ARCH:-i486}
 BUILD=${BUILD:-1}
 TAG=${TAG:-_SBo}
 
@@ -19,6 +18,16 @@ SRCLANG=en
 # The versioning of the 'source' RPM is a bit different:
 SRCVERSION=$(echo $VERSION | sed "s/_/-$SRCLANG-/")
 
+# 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