#!/bin/bash

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pkgconfig=/usr/bin/pkg-config

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test -x $pkgconfig || {

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cat > /dev/null

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exit 0

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}

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[ $# -ge 1 ] || {

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cat > /dev/null

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exit 0

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}

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$pkgconfig --atleast-pkgconfig-version="0.24" || {

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cat > /dev/null

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exit 0

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}

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# Under pkgconf, disables dependency resolver

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export PKG_CONFIG_MAXIMUM_TRAVERSE_DEPTH=1

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case $1 in

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-P|--provides)

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while read filename ; do

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case "${filename}" in

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*.pc)

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# Query the dependencies of the package.

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DIR="`dirname ${filename}`"

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export PKG_CONFIG_PATH="$DIR:$DIR/../../share/pkgconfig"

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$pkgconfig --print-provides "$filename" 2> /dev/null | while read n r v ; do

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[ -n "$n" ] || continue

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# We have a dependency. Make a note that we need the pkgconfig

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# tool for this package.

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echo -n "pkgconfig($n) "

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[ -n "$r" ] && [ -n "$v" ] && echo -n "$r" "$v"

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echo

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done

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;;

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esac

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done

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;;

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-R|--requires)

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while read filename ; do

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case "${filename}" in

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*.pc)

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i="`expr $i + 1`"

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[ $i -eq 1 ] && echo "$pkgconfig"

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DIR="`dirname ${filename}`"

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export PKG_CONFIG_PATH="$DIR:$DIR/../../share/pkgconfig"

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$pkgconfig --print-requires --print-requires-private "$filename" 2> /dev/null | while read n r v ; do

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[ -n "$n" ] || continue

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echo -n "pkgconfig($n) "

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[ -n "$r" ] && [ -n "$v" ] && echo -n "$r" "$v"

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echo

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done

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esac

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done

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;;

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esac

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exit 0

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