The first gcc-16 packaging has some gnat patches disabled, because they
don't apply. These need updates / reconfirmation.

these are:

+#debian_patches += \
+#      0001-Ada-merge-all-timeval-and-timespec-definitions-and-c \
+#      0002-Ada-select-64-bits-time-functions-from-GNU-libc-when \

+    # debian_patches += ada-gcc-name

+  # debian_patches += ada-gnat-name


debian/rules2 again has a hack to provide the unversioned gnat and
gnatmake binaries.


Not yet uploaded to experimental, please see instead
https://lists.debian.org/debian-gcc/2025/11/msg00059.html