On 02.01.2016 17:11, Andrew Haley wrote: > On 02/01/16 15:53, Matthias Klose wrote: >>>> In any case, GCJ_CXX_ABI_VERSION should be changed to not include __GNUC_MINOR__ >>>>>> anymore. Maybe for the gcc-5-branch, set it unconditionally to 3 so that it >>>>>> won't change anymore with future releases from the gcc-5 branch? >>>> >>>> That's safe only if Classpath and libgcj are not changed at all. >> why? > > Because of the way that gcj's linkage works. If you change any of the > vtable/itable indexes your program will crash. Right, but this no change compared to the 4.x.y releases. This is what I committed to the trunk. So what to do with the gcc-5 branch? Apply the same patch to jvm.h, or fix the minor version to 3? The latter would be compatible at least with the 5.3 release. Matthias