libraries/libtorrent-rasterbar: Miscellaneous cleanups.

libraries/libtorrent-rasterbar/libtorrent-rasterbar.SlackBuild

@@ -24,10 +24,19 @@
 
 PRGNAM=libtorrent-rasterbar
 VERSION=0.14.8
-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
@@ -66,11 +75,12 @@ LDFLAGS="-L/usr/lib${LIBDIRSUFFIX}" \
   --disable-static \
   --enable-python-binding \
   --with-zlib=system \
-  --with-boost-system=mt \
-  --with-boost-filesystem=mt \
-  --with-boost-thread=mt \
-  --with-boost-regex=mt \
-  --with-boost-program-options=mt \
+  --with-boost-libdir=/usr/lib${LIBDIRSUFFIX} \
+  --with-boost-system=boost_system \
+  --with-boost-filesystem=boost_filesystem \
+  --with-boost-thread=boost_thread \
+  --with-boost-regex=boost_regex \
+  --with-boost-program-options=boost_program_options \
   --build=$ARCH-slackware-linux
 
 make