add patch to introduce PATH_MAX if missing Some archs, such as Hurd, do not set PATH_MAX. This patch introduces that with a default value if it is not set before.
Use Debian's libgenometools instead of static lib Vmatch was intended to be built as a static binary in a defined build directory with a copy of libgenometools.a in a specific place. In Debian, we have a shared library, so let's use this in the build setup.
