[fedora-java] How to link C++ code to a java library?

[Mark Wielaard]

Hi Orcan,

On Tue, 2008-11-18 at 22:14 -0800, Orcan Ogetbil wrote:
> After some consultation in IRC, I've been told that JNI is not what we
> need in this case. And a suggestion came up: Apparently we can use GCJ
> to do this job. But this will require non-trivial hacking. Can anyone
> point me to some guidelines for this and/or give me a head-start?

The program, pdftk, is a c++ program that uses gcj's CNI (not JNI)
feature to call java classes. Here is some background information on
CNI: http://gcc.gnu.org/onlinedocs/gcj/About-CNI.html

In principle you would only need to provide CNI headers for the itext
classes (see gcjh) and a shared library build from the itext classes or
jar file (see gcj). But it depends a bit on coordinating with the pdftk
packager. Currently the pdftk build seems to just bundle all of itext
and compile it into one big static library.

Cheers,

Mark