Ncurses problem - 4 packages fail to emerge. [Solved]

[seansmr]

I am sorry, I am just not good at asking questions.

Edit: I have just tried compiling these four packages in the original i586 install, before any CHOST changes. None of them work. So, this is a system issue, nothing to do with CHOST. I have changed the title to reflect this.
I guess that I will post the logs for the other package separately.
I saw a comment by a dev in another post, he said you should always fix the system, you shouldn't reinstall. So here I am.
Also, I can say that the conditions that made these packages fail could have been a long time ago, if there was no upgrade we wouldn't know.
cmake is an upgrade, I remember that it failed in, maybe, October 2013.I know that rtorrent was working sometime over a year ago, I tried the newer masked version. Other than that all packages were updated a few times a year. Compiling was done in a chroot on a Core2 and copied to a compact flash card. It always worked, it was all that I knew how to at the time.
/edit

Background:
A long time ago I installed i486 gentoo on an embedded device with an i586 SoC. All compiling was done on a core2 in a chroot.
Later, I changed the CHOST to i586. It worked perfectly and I had no problems. I had recompile system and then world, everythig worked.
A while later I change the profile to hardened, this also worked perfectly. This ran 24/7 for years, until the device failed.

Now I have an Atom D2550 based device, so I changed the CHOST to i686 and recompiled. Using -march=atom did not work in the Core2 chroot, so I moved the whole thing to the Atom device and recompiled there. The Atom is surprisingly fast.
Everything worked fine except for 4 packages:
readline-6.2_p1
util-linux-2.22.2
rtorrent-0.8.9
cmake-2.8.12.2

System was compiled twice except for readline and util-linux which failed.

I have searched and tried to find a solution to this, but I am not able solve it myself. I would greatly appreciate it if anyone could help to figure this out.

Here is the required output for readline:

[eccerr0r]

It looks like it's bombing on trying to use your ncurses. What version of ncurses are you using, and are you holding it back for any reason?

Perhaps try emerge -1 ncurses to update it first, then try again?

I think it has been suggested that changing CHOST values is not recommended, but I don't think this is the problem here, and you're using very similar 32-bit systems so it's not nearly as problematic.

(Wow, I think my N270 Atom is slooow.... Granted it blows my Arm A8 to smithereens but doesn't hold a candle to my i7...)

[seansmr]

ncurses has been rebuilt at least 2 times.

[eccerr0r]

My ncurses is +cxx +gpm +unicode -ada -debug -doc -minimal -profile -static-libs -tinfo -trace ...
And I have both these installed just fine (ncurses-5.9 and readline-6.2)...You must have some old libraries or includes installed and tricking readline and/or screen's configure... a reinstall would clean those up of course. Have you tried emerge -e world in the past, it may also clean up some of these things.

Finding out which one without reinstall probably sits in your hands... it'd make it much easier if we had access to your machine to search for culprit files. Basically would have to manually go through the configure script and see what file/contents of files would trigger it to fail; my machines do not model the behavior of yours.

This is unless someone has run across this before and debugged it already.
_________________
Intel Core i7 2700K/Radeon R7 250/24GB DDR3/256GB SSD
What am I supposed watching?

[gienah]

The current versions should build with sys-libs/ncurses-5.9-r3 with the tinfo USE flag:

[seansmr]

All packages that don't work depend on ncurses. I tried to uninstall ncurses, but it keeps the libraries that others depends on. So I just tried to re-compile ncurses again. That still does not work.

However, I just downgraded ncusrses to ncurses-5.9-r1:5 and readline does compile correctly.
Now to try the other 3 packages.

I am testing this on the old i586 system

[seansmr]

After I downgraded ncurses, now 3 packages, readline, util-linux and cmake all compile correctly.

So there is something wrong with ncurses-5.9-r2:5 and rtorrent-0.8.9
Next I tried the masked ncurses-5.9-r3:5 With this version of ncurses, the 3 packages, above, also worked,


Edit:
Does anyone want to access my system to see what is wrong with using ncurses-5.9-r2:5?
The atom box still has the r2 version of ncurses, and still has the problem.

Also, rtorrent-0.8.9 still does not work.
OK, so I have now tried rtorrent-0.9.2 and it works.

I have essentially got the whole thing working by unmasking higher versions of 2 packages. However, I still would like to know what the problem was. Why does everybody else's system work and mine doesn't?
And, I have yet to compile for preserved libs, and one is MySQL.

[krinn]

It's because you build ncurse with tinfo use flag, do not enable it.
rebuild ncurse without it should fix readline configure that should find termcap functions provide by ncurse and not by libtinfo

[seansmr]

OK, thanks. I will try that now.

[seansmr]

Using the current version of ncurses, 5.9-r2, without the tinfo flag works, mostly.
The 3 packages compile correctly. rtorrent does not.

I had the tinfo use flag in because portage said to put it in when I emerged the ncurses-5.9-r2 update some time ago.

It looks like this is almost solved.
However, should I go with ncurses-5.9-r2 without tinfo or should I use the masked ncurses-5.9-r3 with tinfo?

---------

I just thought to try this on my desktop. The tinfo flag was not set there, so I tried using it with ncurses ... and ... readline does not compile there either.

[gienah]

[seansmr]

OK, I get it now. I took out the tinfo flag,

Many thanks to those who have helped. I understand a bit more now.

I am amazed how Gentoo just keeps working. I couldn't live without it.