OS=unknown
 sys=`uname -s`
-release=`uname -r | cut -b1`
+release=`uname -r`
+major=`printf "%s" "$release" | cut -d. -f1`
 BUILD_DIR=`pwd`
 CONFFILE="../../Makefile.conf"
 PREFIX="/"
 if [ "$sys" = "Linux" ]
 then
     OS=linux
-    release=""
     MAKE="make"
 fi
 
 if [ "$sys" = "FreeBSD" ]
 then
-    case $release in
+    case $major in
         4) OS=bsd;;
         5) OS=bsd5;;
         6) OS=bsd5;;
 if [ "$OS" = "unknown" ]
 then
     printf "#############################################################################\n"
-    printf "# Sorry, but sgconf currently supported by Linux, FreeBSD 4.x, 5.x, 6.x  #\n"
+    printf "# Sorry, but sgconf is currently supported by Linux, FreeBSD and Darwin.    #\n"
     printf "#############################################################################\n"
     exit 1
 fi
 printf "DIR_MODE=$DIR_MODE\n" >> $CONFFILE
 printf "OWNER=$OWNER\n" >> $CONFFILE
 
-$MAKE $MAKEOPTS
-
+if [ "$1" != "debug" ]
+then
+    $MAKE $MAKEOPTS
+else
+    printf "\n\n\nDebug build. Type $MAKE explicitly\n"
+fi