Build slackware package from source - NOTE: I don't make any warranties that my script will work for you or won't fuck up your machine.

makepkg_simple.sh

if [ $# -lt 4 ]; 
  then 
    echo "4 args pls: SOURCEFILE SOURCEDIR DESTDIR PACKNAME (opt: LAYOUTFILE CON
FFLAGS)" && exit 1
fi

SOURCEFILE=$1
SOURCEDIR=$2
DESTDIR=$3
PACKNAME=$4
LAYOUTFILE=$5
CONFFLAGS=$6
DOCFILES=$7

echo "package builder for Slackware 13.37"
echo "~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~"
echo "SOURCEFILE: $SOURCEFILE"
echo "SOURCEDIR:  $SOURCEDIR"
echo "DESTDIR:    $DESTDIR"
echo "PACKNAME:   $PACKNAME"
echo "LAYOUTFILE: $LAYOUTFILE"
echo "CONFFLAGS:  $CONFFLAGS"
echo "DOCFILES:   $DOCFILES"
echo -n "Continue with that? [1/0] "
read start

# kill
if [ $start -ne 1 ]; then exit 0; else echo ""; fi

# measure execution time
time=$SECONDS 

# remove old sources
echo -n "removing old sources............."
rm -r $SOURCEDIR &> /dev/null
if [ $? -eq 0 ]; then echo -e "\033[0;32;148m[OK]\033[39m"; else echo -e "\033[0
;32;148m[OK]\033[39m - no old source found"; fi

# remove old package
echo -n "removing old DESTDIR binaries...."
rm -r $DESTDIR &> /dev/null
if [ $? -eq 0 ]; then echo -e "\033[0;32;148m[OK]\033[39m"; else echo -e "\033[0
;32;148m[OK]\033[39m - no old binaries found"; fi
 
# extract archive
echo -n "extracting archive..............."

FILETYPE=`file -b $SOURCEFILE`
EXTENSION=${FILETYPE:0:4}
if [ "$EXTENSION" == "gzip" ]
  then
    tar xzf $SOURCEFILE &> /dev/null
elif [ "$EXTENSION" == "bzip" ]
  then
    tar xjf $SOURCEFILE &> /dev/null
else
    echo "[FAIL] - wrong filetype"
    exit 1
fi

if [ $? -eq 0 ]; then echo -e "\033[0;32;148m[OK]\033[39m"; else echo -e "\033[0;31;148m[FAIL]\033[39m - can't write or no archive 
found"; exit 1; fi

# copying layout file
if [ $LAYOUTFILE ]
  then
    echo -n "copying layout file.............."
    cp $LAYOUTFILE $SOURCEDIR
    if [ $? -eq 0 ]; then echo -e "\033[0;32;148m[OK]\033[39m"; else echo -e "\033[0;31;148m[FAIL]\033[39m - can't write or file not 
found"; exit 1; fi
fi

# configuring sources
echo -n "configuring sources.............."
cd $SOURCEDIR
./configure $CONFFLAGS &> /dev/null
if [ $? -eq 0 ]; then echo -e "\033[0;32;148m[OK]\033[39m"; else echo -e "\033[0;31;148m[FAIL]\033[39m"; exit 1; fi

# make install to DESTDIR
echo -n "make install to DESTDIR.........."
cd $SOURCEDIR
make DESTDIR=$DESTDIR install &> /dev/null
if [ $? -eq 0 ]; then echo -e "\033[0;32;148m[OK]\033[39m"; else echo -e "\033[0;31;148m[FAIL]\033[39m"; exit 1; fi

# make dir for documentation
echo -n "creating documentation dir......."
mkdir $DESTDIR/usr/doc && mkdir $DESTDIR/usr/doc/$PACKNAME/
if [ $? -eq 0 ]; then echo -e "\033[0;32;148m[OK]\033[39m"; else echo -e "\033[0;31;148m[FAIL]\033[39m"; exit 1; fi

if [ "$DOCFILES" ]
  then
    # copying documentation
    echo -n "copying documentation............"
    cp $DOCFILES $DESTDIR/usr/doc/$PACKNAME/
    if [ $? -eq 0 ]; then echo -e "\033[0;32;148m[OK]\033[39m"; else echo -e "\033[0;31;148m[FAIL]\033[39m"; exit 1; fi
fi

# create pkg description file
# see: http://www.linuxpackages.net/howto.php?page=perfect-package&title=Perfect+Package#Slack-Desc

# change rights
echo -n "changing rights.................."
chown root.root $DESTDIR
if [ $? -eq 0 ]; then echo -e "\033[0;32;148m[OK]\033[39m"; else echo -e "\033[0;31;148m[FAIL]\033[39m"; exit 1; fi

# make pkg
echo -n "making slackware package........."
cd $DESTDIR
makepkg --chown y --linkadd y $DESTDIR/../$PACKNAME &> /dev/null
if [ $? -eq 0 ]; then echo -e "\033[0;32;148m[OK]\033[39m"; else echo -e "\033[0;31;148m[FAIL]\033[39m"; exit 1; fi

echo ""
echo "The package has been created successfully in $[$SECONDS-$time] seconds."
echo "You can install it with installpkg $DESTDIR/../$PACKNAME"
exit 0;

NOTE: I don't make any warranties that my script will work for you or won't fuck up your machine.