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#!/usr/bin/env sh
###############################################################################
# Script to determine dll dependencies of a Windows executable file. #
# This should help automate the process of locating dlls to include as part #
# of an installer. #
# #
# This script is licensed under the GPLv3+ #
# Written by Louie Shprung <lshprung@tutanota.com> #
###############################################################################
help() {
echo "Usage: $0 [OPTION]... BINARY..."
echo "Determine dlls required by BINARY (an .exe or .dll file)"
echo
echo "Options:"
echo " -h display this help message and exit"
echo " -q hide warnings"
echo " -s PATH set a path to search for dlls on. Default is \$PATH"
}
get_dll_path() {
(
IFS=':'
for path in $SEARCHPATH; do
if [ -e "$path/$1" ]; then
echo "$path/$1"
return 0
fi
done
echo "Warning: Could not locate '$1' on system"
return 1
)
}
print_dlls() {
while [ -n "$1" ]; do
DLL_NAMES=$(objdump -x "$1" | grep "DLL Name: " | sed 's/^[^D]*DLL Name: //')
for file in $DLL_NAMES; do
if DLL_PATH="$(get_dll_path "$file")"; then
echo "$DLL_PATH"
print_dlls "$DLL_PATH"
elif [ "$WARNINGS" -eq 1 ]; then
echo "$DLL_PATH"
fi
done
shift
done
}
SEARCHPATH="$PATH"
WARNINGS=1
# Check args
while getopts "hqs:" flag; do
case "$flag" in
h)
help
exit
;;
q)
WARNINGS=0
;;
s)
SEARCHPATH="${OPTARG}"
;;
*)
break
esac
done
shift $((OPTIND-1))
if [ -z "$1" ]; then
help
exit 1
fi
if [ ! -e "$1" ]; then
>&2 echo "Error: '$1' does not exist - skipping"
fi
print_dlls "$@"
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