academic/engauge: Miscellaneous cleanups.

academic/engauge/README

@@ -5,4 +5,4 @@ to a spreadsheet. Engauge Digitizer compensates for rotation, scaling
 and skew (also known as shearing) in graphs. Engauge recognizes BMP, GIF,
 JPG, PNG, PNM, and XPM bitmaps.
 
-This requires fftw (and qt3 from the /extra/kde3-compat/ packages).
+This requires qt3 from the /extra/kde3-compat/ packages.

academic/engauge/engauge.SlackBuild

@@ -5,10 +5,19 @@
 
 PRGNAM=engauge
 VERSION=4.1
-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) export ARCH=i486 ;;
+    arm*) export ARCH=arm ;;
+    # Unless $ARCH is already set, use uname -m for all other archs:
+       *) export ARCH=$( uname -m ) ;;
+  esac
+fi
+
 CWD=$(pwd)
 TMP=${TMP:-/tmp/SBo}
 PKG=$TMP/package-$PRGNAM
@@ -23,6 +32,9 @@ elif [ "$ARCH" = "i686" ]; then
 elif [ "$ARCH" = "x86_64" ]; then
   SLKCFLAGS="-O2 -fPIC"
   LIBDIRSUFFIX="64"
+else
+  SLKCFLAGS="-O2"
+  LIBDIRSUFFIX=""
 fi
 
 set -e