Optional Packages:
--with-PACKAGE[=ARG] use PACKAGE [ARG=yes]
--without-PACKAGE do not use PACKAGE (same as --with-PACKAGE=no)
- --with-zlib include zlib support (auto/yes/no)
+ --with-zlib include zlib support (auto/yes/no) default=auto
--with-pkgversion=PKG Use PKG in the version string in place of "GDB"
--with-bugurl=URL Direct users to URL to report a bug