phcerdan/fix_gfortran_lib_rpaths.sh

## fix_gfortran_lib_rpaths.sh
#!/bin/bash
####################
# Display help
display_usage() {
    echo "Replace relative paths: @rpath/libname.dylib for /fullpath/libname.dylib."
    echo " otool -L libname.dylib"
    echo " install_name_tool -id \${full_libpath} -change \${@rpath/libname} \${full_libpath} -change ... \${full_libpath}"
    echo -e "\nUsage:\n $(basename "$0") /path/gfortran_folder/lib \n"
}
# if less than one argument supplied, display usage
if [  $# -ne 1 ]
then
    display_usage
    exit 1
fi
# check whether user had supplied -h or --help.
if [[ ( $@ == "--help") ||  $@ == "-h" ]]
then
    display_usage
    exit 0
fi
####################
if [[ $1 != "/"* ]]
then
    echo "Provide a full path to a folder instead of $1"
    exit 1
fi

folder="$1"

if [ ! -d "$folder" ]; then
    echo "Folder $folder does not exist."
    exit 1
fi

names=()
files=()
for f in ${folder}/*.dylib; do
    name=$(basename ${f})
    files+=("$f")
    names+=("$name")
done;

# Get a string with all name changes.
#-change old new
# Changes the dependent shared library install name old to new in the specified Mach-O binary.
# More than one of these options can be specified.
# If the Mach-O binary does not contain the old install name in a specified -change option the option is ignored.

num_libs=${#names[@]}
all_changes=""
for ((i=0; i<${num_libs}; i++)); do
    name="${names[i]}"
    file="${files[i]}"
    all_changes+="-change @rpath/$name $file "
done;

function get_id_from_otool() {
    local libid="$(otool -L $1 | sed -n 2p | sed -n 's/\(.*\/\)\(lib.[^\/]*\.dylib\).*/\2/p')"
    echo "${libid}"
}

for f in ${files[@]}; do
    echo "Processing lib: ${f}"
    echo "Before:"
    otool -L ${f}
    libid=$(get_id_from_otool ${f})
    install_name_tool -id $(dirname ${f})/${libid} ${all_changes} ${f}
    echo "After:"
    otool -L ${f}
    echo "********"
done;

echo "Finished, errors of type:"
echo "  install_name_tool input file: /tmp/gfortran_lib/libgcc_ext.10.5.dylib is Mach-O dynamic shared library stub file and can't be changed.'"
echo "are ok. You might want to use 'otool -L' for checking the results."
	#!/bin/bash
	####################
	# Display help
	display_usage() {
	echo "Replace relative paths: @rpath/libname.dylib for /fullpath/libname.dylib."
	echo " otool -L libname.dylib"
	echo " install_name_tool -id \${full_libpath} -change \${@rpath/libname} \${full_libpath} -change ... \${full_libpath}"
	echo -e "\nUsage:\n $(basename "$0") /path/gfortran_folder/lib \n"
	}
	# if less than one argument supplied, display usage
	if [ $# -ne 1 ]
	then
	display_usage
	exit 1
	fi
	# check whether user had supplied -h or --help.
	if [[ ( $@ == "--help") \|\| $@ == "-h" ]]
	then
	display_usage
	exit 0
	fi
	####################
	if [[ $1 != "/"* ]]
	then
	echo "Provide a full path to a folder instead of $1"
	exit 1
	fi

	folder="$1"

	if [ ! -d "$folder" ]; then
	echo "Folder $folder does not exist."
	exit 1
	fi

	names=()
	files=()
	for f in ${folder}/*.dylib; do
	name=$(basename ${f})
	files+=("$f")
	names+=("$name")
	done;

	# Get a string with all name changes.
	#-change old new
	# Changes the dependent shared library install name old to new in the specified Mach-O binary.
	# More than one of these options can be specified.
	# If the Mach-O binary does not contain the old install name in a specified -change option the option is ignored.

	num_libs=${#names[@]}
	all_changes=""
	for ((i=0; i<${num_libs}; i++)); do
	name="${names[i]}"
	file="${files[i]}"
	all_changes+="-change @rpath/$name $file "
	done;

	function get_id_from_otool() {
	local libid="$(otool -L $1 \| sed -n 2p \| sed -n 's/\(.\/\)\(lib.[^\/]\.dylib\).*/\2/p')"
	echo "${libid}"
	}

	for f in ${files[@]}; do
	echo "Processing lib: ${f}"
	echo "Before:"
	otool -L ${f}
	libid=$(get_id_from_otool ${f})
	install_name_tool -id $(dirname ${f})/${libid} ${all_changes} ${f}
	echo "After:"
	otool -L ${f}
	echo "********"
	done;

	echo "Finished, errors of type:"
	echo " install_name_tool input file: /tmp/gfortran_lib/libgcc_ext.10.5.dylib is Mach-O dynamic shared library stub file and can't be changed.'"
	echo "are ok. You might want to use 'otool -L' for checking the results."