Options:
-p<package> generate symbols file for package.
-P<package-build-dir> temporary build dir instead of debian/tmp.
-e<library> explicitly list libraries to scan.
-v<version> version of the packages (defaults to
version extracted from debian/changelog).
-c<level> compare generated symbols file with the reference
template in the debian directory and fail if
difference is too important; level goes from 0 for
no check, to 4 for all checks (default level is 1).
-q keep quiet and never emit any warnings or
generate a diff between generated symbols
file and the reference template.
-I<file> force usage of <file> as reference symbols
file instead of the default file.
-O[<file>] write to stdout (or <file>), not .../DEBIAN/symbols.
-t write in template mode (tags are not
processed and included in output).
-V verbose output; write deprecated symbols and pattern
matching symbols as comments (in template mode only).
-a<arch> assume <arch> as host architecture when processing
symbol files.
-d display debug information during work.
-?, --help show this help message.
--version show the version.
