enable tui mode in gdb

[v]

Attached patch begins to enable the text user-interface (tui) of gdb. It still has a few issues:

• Upon starting gdb with 'gdb --tui' a list of collisions appears (gdb_collisions.txt). Possibly a conflict between libtermcap and libncurses.
  
• The borders on the curses window apparently use the wrong character set. (gdb_border.png)

[v]

patch to enable gdb's tui mode

[v]

list of Name collisions upon starting gdb in tui mode

[v]

messed up curses window border in tui mode

[idefix]

Replying to v:

Attached patch begins to enable the text user-interface (tui) of gdb. It still has a few issues:

• Upon starting gdb with 'gdb --tui' a list of collisions appears (gdb_collisions.txt). Possibly a conflict between libtermcap and libncurses.
  

The command line ftp application used to have the same problem. You might have a look at ticket:1957 to see how it was fixed.

[v]

Replying to idefix:

You might have a look at ticket:1957 to see how it was fixed.

Thanks. #1957 seems to have been fixed by changing libtermcap, so I don't think that will work in this case. I don't remember if I tried using gdb on gdb to find the source of the collisions. I guess I'll try that (again?).

[axeld]

Thanks, patch applied in hrev33556. The remaining problems could/should be tracked in another ticket.