network/ctorrent: ARCH fixes and cleanup.

Signed-off-by: dsomero <xgizzmo@slackbuilds.org>

network/ctorrent/ctorrent.SlackBuild

@@ -22,21 +22,25 @@
 # -----------------------------------------------------------------------------
 # Slightly modified by the SlackBuilds.org project
 
-# Exit on most errors
-set -e
-
-# Essential variables:
 PRGNAM=ctorrent
 VERSION=${VERSION:-3.3.2}
-PKGVERSION=dnh${VERSION}
-ARCH=${ARCH:-i486}
 BUILD=${BUILD:-1}
+TAG=${TAG:-_SBo}
+
+PKGVERSION=dnh${VERSION}
+
+iif [ -z "$ARCH" ]; then
+  case "$( uname -m )" in
+    i?86) ARCH=i486 ;;
+    arm*) ARCH=arm ;;
+       *) ARCH=$( uname -m ) ;;
+  esac
+fi
 
-TAG=${TAG:-_SBo}			# the "_SBo" is required
 CWD=$(pwd)
-TMP=${TMP:-/tmp/SBo}			# For consistency's sake, use this
-PKG=$TMP/package-$PRGNAM		# We build stuff here
-OUTPUT=${OUTPUT:-/tmp}			# Drop the package in /tmp
+TMP=${TMP:-/tmp/SBo}
+PKG=$TMP/package-$PRGNAM
+OUTPUT=${OUTPUT:-/tmp}
 
 DOCS="AUTHORS ChangeLog* COPYING NEWS README* UserGuide VERSION"
 
@@ -51,7 +55,8 @@ elif [ "$ARCH" = "x86_64" ]; then
   LIBDIRSUFFIX="64"
 fi
 
-# Prepare build environment:
+set -e
+
 rm -rf $PKG
 mkdir -p $TMP $PKG $OUTPUT
 cd $TMP
@@ -77,20 +82,16 @@ CXXFLAGS="$SLKCFLAGS" \
 make
 make install DESTDIR=$PKG
 
-# Add documentation:
 mkdir -p $PKG/usr/doc/$PRGNAM-$PKGVERSION
 cp -a $DOCS $PKG/usr/doc/$PRGNAM-$PKGVERSION || true
 cat $CWD/$PRGNAM.SlackBuild > $PKG/usr/doc/$PRGNAM-$PKGVERSION/$PRGNAM.SlackBuild
 
-# Strip binaries
 find $PKG | xargs file | grep -e "executable" -e "shared object" | grep ELF \
   | cut -f 1 -d : | xargs strip --strip-unneeded 2> /dev/null || true
 
-# Add the slack-desc:
 mkdir -p $PKG/install
 cat $CWD/slack-desc > $PKG/install/slack-desc
 
-# Assemble the package:
 cd $PKG
 /sbin/makepkg -l y -c n $OUTPUT/$PRGNAM-$PKGVERSION-$ARCH-$BUILD$TAG.${PKGTYPE:-tgz}