function(vcpkg_extract_source_archive_ex) # OUT_SOURCE_PATH is an out-parameter so we need to parse it cmake_parse_arguments(PARSE_ARGV 0 "arg" "" "OUT_SOURCE_PATH" "") if(NOT DEFINED arg_OUT_SOURCE_PATH) message(FATAL_ERROR "OUT_SOURCE_PATH must be specified") endif() vcpkg_extract_source_archive(source_path ${arg_UNPARSED_ARGUMENTS} Z_ALLOW_OLD_PARAMETER_NAMES) set("${arg_OUT_SOURCE_PATH}" "${source_path}" PARENT_SCOPE) endfunction()