Sets all OpenCV dylibs to use absolute path (run after make install)

fixOpenCV_dylibs.sh

#!/bin/bash

#
# Fixes OpenCV to use absolute paths
#
# This script should be run ONLY ONCE, to make sure that the
# macdeployqt script will run properly (ie if it errors saying
# that a dylib could not be found)
#

set -u # exit if a parameter is missing
set -e # exit if an error occurs

LIB_DIR='/usr/local/lib/' # mandatory trailing /
LIB_NAME='libopencv'
OPENCV_VERSION='2.4.6'

cd ${LIB_DIR}

find . -type f -name "${LIB_NAME}*${OPENCV_VERSION}*.dylib" | while read file
do
    file=$(basename $file)

    # Fix the library id
    install_name_tool -id ${LIB_DIR}${file} ${file}

    # Fix the internal dependencies
    otool -L ${file} | grep "${LIB_NAME}" | grep -v ':' | cut -d' ' -f1 | sed 's/^[[:space:]]*//g' | while read dylib
    do
        # get only the dylib name, removing the eventual path at the end
        newName=$(echo ${dylib} | rev | cut -d'/' -f1 | rev)
        newName="${LIB_DIR}${newName}"
        install_name_tool -change ${dylib} ${newName} ${file}
    done
done