#!/bin/bash

if [ -z "$1" ]; then
    CHOST=armv4tl-softfloat-linux-gnueabi
else
    CHOST="$1"
fi

PKGCONFDIR="/usr/${CHOST}/usr/lib/pkgconfig"

echo -e "Checking pkgconfig files in \033[1;36m${PKGCONFDIR}\033[0m"

# Change to target pkgconfig dir
cd "${PKGCONFDIR}"

# Find packages with invalid exec_prefix
execpkgs=$(grep '^exec_prefix=/usr' *.pc | cut -d: -f1) 

# Find packages with corrupted libdir entry
incpkgs=$(grep '^includedir=' *.pc | grep -v 'includedir=${prefix}/include' | cut -d: -f1)

# Find packages with corrupted libdir entry
libpkgs=$(grep '^libdir=' *.pc | grep -v 'libdir=${exec_prefix}/lib' | cut -d: -f1)

# Unify the packages so we are sure that every package is printed only once
pcfiles=$(echo "${execpkgs} ${incpkgs} ${libpkgs}" | tr ' ' '\n' | sort -u)

# Find the corresponding packages and mark what's wrong with the pc files
pkgs=""
for f in ${pcfiles}; do
    # Collect flags that denote in which way the pc file is wrong.
    flags=""
    if $(echo "$execpkgs" | grep -q "${f}"); then
	flags="${flags}E"
    else
	flags="${flags}_"
    fi
    if $(echo "$incpkgs" | grep -q "${f}"); then
	flags="${flags}I"
    else
	flags="${flags}_"
    fi
    if $(echo "$libpkgs" | grep -q "${f}"); then
	flags="${flags}L"
    else
	flags="${flags}_"
    fi

    # Find the package that corresponds
    pkgs="${pkgs}$(ROOT="/usr/${CHOST}" qfile "${f}" | sed -e "s%(.*/%(${PKGCONFDIR}/%g") [${flags}]:"
done

# Beautify the output by sorting it
pkgs=$(echo $pkgs | tr ':' '\n' | sort | tr ' ' ':')

# Print the packages...
for pkg in ${pkgs}; do
    p=$(echo "${pkg}" |	cut -d':' -f1)
    f=$(echo "${pkg}" |	cut -d':' -f2)
    g=$(echo "${pkg}" |	cut -d':' -f3)

    # Print it babe!
    echo "    Corrupted file found in package: ${g} ${p} ${f}"
done