source: npl/checkdeps @ 0c25615

#!/bin/bash
#Check if $PKG has all binary dependencies also referenced as #DEP: in slackbuild:"

PKG="$1"
[ "$PKG" ] || exit 1

BUILD=`./findbuild $PKG`.SlackBuild || exit 1
DEPS=`cat $BUILD|grep '^#DEP:'| cut -f2 -d:`

tar -tzf `./findpkg $PKG` 2>/dev/null > /tmp/.ownfiles


BIN_DEPS=` ./showbindeps $PKG |sed 's/.* NEEDED \W*//g'|sed 's/\.so.*//'|sort|uniq`

NEW_DEPS=""
for BIN_DEP in $BIN_DEPS; do
        #echo "Binary dep $BIN_DEP"
        [ "$BIN_DEP" == "ld-linux" ] && continue;
        PROVIDERS="`grep \"/$BIN_DEP[-.][0-9a-z.-]*so[0-9a-z.-]*$\" .pkgfiles |cut -f1 -d: |sort |uniq| sed 's@.*/@@'|sed 's/\.pkg$//' |
                #false positives:
                grep -vx zarafa_licensed |
                grep -vx samba
        `"
        FOUND=0;
        for PROVIDER in $PROVIDERS; do
                #default buildroot libraries
                [ "$PROVIDER" == "glibc" ] && FOUND=1;
                [ "$PROVIDER" == "gcc_g++" ] && FOUND=1;
                [ "$PROVIDER" == "gcc" ] && FOUND=1;

                #most depend on theirself as well
                [ "$PROVIDER" == "$PKG" ] && FOUND=1;

                if echo "$DEPS" | grep -x $PROVIDER >/dev/null; then
                        FOUND=1
                fi
        done
        if [ "$FOUND" == "0" ]; then
                echo
                echo "$PKG has not DEP for $BIN_DEP"
                echo "## Providers:"
                echo "$PROVIDERS"
                NEW_DEPS="$NEW_DEPS $PROVIDERS"
        fi
        
done


if [ "$NEW_DEPS" ]; then
        echo "Proposed deps:"
        echo "$NEW_DEPS"|tr ' ' '\n'|sort|uniq|grep -xv "" |sed 's/^/#DEP:/'
fi