From mboxrd@z Thu Jan 1 00:00:00 1970 From: Peter Korsgaard Date: Thu, 19 Jul 2018 23:38:59 +0200 Subject: [Buildroot] [PATCH] ncurses: make host-ncurses use host terminfo In-Reply-To: <5f7fe697b92ac0145674.1531241163@cveaol6qa08.wv.mentorg.com> (Hollis Blanchard's message of "Tue, 10 Jul 2018 09:46:03 -0700") References: <5f7fe697b92ac0145674.1531241163@cveaol6qa08.wv.mentorg.com> Message-ID: <8736wec3d8.fsf@dell.be.48ers.dk> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: buildroot@busybox.net >>>>> "Hollis" == Hollis Blanchard writes: > # HG changeset patch > # User Hollis Blanchard > # Date 1531239381 25200 > # Tue Jul 10 09:16:21 2018 -0700 > # Node ID 5f7fe697b92ac0145674a6c96aad0f787b4bae32 > # Parent d71314cdccf1993ccdb05cddb16a5491f0bf723e > ncurses: make host-ncurses use host terminfo > Host GDB suffers a serious problem: pressing backspace (or ^W ^U or any other > "delete" key) results in a plain space being printed instead, making the > command prompt almost completely unusable. > That's because it's using host-ncurses, which embeds a path for the terminfo > database into the library itself. That path ends up being something like > /home/hollisb/buildroot.git/output/host/share/terminfo, which obviously doesn't > generally exist other hosts. ('relocate-sdk.sh' cannot and does not edit > binaries like libncurses.so.6, so doesn't resolve this problem.) > /usr/share/terminfo is a far better path to use, since it almost certainly > exists on the host. Theoretically, it could be from a different ncurses version > with incompatible terminfo database format, but this doesn't seem to be a > problem in practice. (Future patches could address the theoretical problem if > it actually appears in real life.) > This change allows buildroot's host gdb, which uses ncurses 6.x, to work on > RHEL5, RHEL6, and RHEL7, which all provide terminfo from ncurses 5.x. > Signed-off-by: Hollis Blanchard Committed to 2018.02.x and 2018.05.x, thanks. -- Bye, Peter Korsgaard