Re: [PATCH] ncurses, busybox, cml1.bbclass: Fix menuconfig display corruption

[Jason Wessel <jason.wessel@windriver.com>]

On 03/04/2013 03:21 PM, Jason Wessel wrote:
> Previously there was a change to the ncurses compile to make it more
> like the typical way it was compiled on a host system.  This fixed a
> whole class of host machines, but masked the real underlying problem
> with the display corruption issues and menuconfig.
>
> The corner case that led to the discovery that the wrong curses.h file
> was getting used was when there was no curses libraries at all on one
> of the development hosts.  What had happened before was that
> /usr/include/curses.h on the host system had to match closely enough
> to the curses.h in the sysroot and then linking against the sysroot
> version of curses.so was ok (meaning no display corruption).  But on
> some systems with ncurses.h vs curses.h such as SuSE hosts, there were
> still issues.
>
> If we fix the root of the problem and force the mconf and lxdialog to
> use the correct headers and libraries from the sysroot there is no
> further issues and the menuconfig target works properly.  It also
> means we can back out the custom compilation flags to the ncurses
> recipe because they are no longer needed.
>
> For the kernel part of the menuconfig / nconfig changes it will be
> merged separately and this is all based on:
>
> https://lkml.org/lkml/2013/3/3/103

Probably best to hold off merging this until we see if the kernel patch is accepted upstream.  This is more of an RFC and to raise further awareness of the problem and the fact that we have a solution now that the root cause is well understood on the menuconfig corruption.

Cheers,
Jason.