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Re: Linking gdb with -ltinfow, if libtinfo is not available
Hello,
my name is spelled correctly.
A further test would to have libtermcap and no libtinfo.so on the -L
explicit and implicit paths.
Regards
Дилян
On Wed, 2018-12-05 at 19:59 +0000, Simon Marchi wrote:
> On 2018-12-05 11:41 a.m., Дилян Палаузов wrote:
> > Hello,
> >
> > you should be able to test this by having libtinfo.so in a directory,
> > that is not introduced to the linker by -L and is not default for the
> > compiller or linker and have libtinfow.so in а path passed by -L;
> > possibly moving libtinfo.so to a location that is still considered by
> > ldconfig.
>
> I tested this in a docker container, as to avoid messing up my system. I
> deleted all traces of libtinfo.so, compiled and installed ncurses by hand with
>
> --with-termlib --with-shared --enable-widec --prefix=/usr
>
> which got me a libtinfow.so. I was then able to reproduce the linking
> problem and confirm that your patch works (we just need to re-generate
> configure).
>
> So here's what I propose pushing. My cyrillic is not totally on point,
> does your name look good in the ChangeLog entry below? Or would you
> prefer to have a romanized version in there?
>
>
> From 70670e00263468aa36dce313d2241b5f953596af Mon Sep 17 00:00:00 2001
> From: Simon Marchi <simon.marchi@ericsson.com>
> Date: Wed, 5 Dec 2018 14:21:31 -0500
> Subject: [PATCH] Look for tgetent in libtinfow
> MIME-Version: 1.0
> Content-Type: text/plain; charset=UTF-8
> Content-Transfer-Encoding: 8bit
>
> On some systems where ncurses is only available in the "wide" version
> (compiled with --with-widec), there might be no libtinfo.so, only a
> libtinfow.so. Look for libtinfow in addition to libtinfo.
>
> gdb/ChangeLog:
>
> YYYY-MM-DD Simon Marchi <simon.marchi@ericsson.com>
> Дилян Палаузов <dilyan.palauzov@aegee.org>
>
> PR gdb/23950
> * configure.ac: Search for tgetent in libtinfow.
> * configure: Re-generate.
> ---
> gdb/configure | 2 +-
> gdb/configure.ac | 2 +-
> 2 files changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/gdb/configure b/gdb/configure
> index 7665ba65319..603c413fe8e 100755
> --- a/gdb/configure
> +++ b/gdb/configure
> @@ -9027,7 +9027,7 @@ return tgetent ();
> return 0;
> }
> _ACEOF
> -for ac_lib in '' termcap tinfo curses ncursesw ncurses; do
> +for ac_lib in '' termcap tinfow tinfo curses ncursesw ncurses; do
> if test -z "$ac_lib"; then
> ac_res="none required"
> else
> diff --git a/gdb/configure.ac b/gdb/configure.ac
> index e1ea60660b9..b40c53a06cd 100644
> --- a/gdb/configure.ac
> +++ b/gdb/configure.ac
> @@ -592,7 +592,7 @@ case $host_os in
> esac
>
> # These are the libraries checked by Readline.
> -AC_SEARCH_LIBS(tgetent, [termcap tinfo curses ncursesw ncurses])
> +AC_SEARCH_LIBS(tgetent, [termcap tinfow tinfo curses ncursesw ncurses])
>
> if test "$ac_cv_search_tgetent" = no; then
> CONFIG_OBS="$CONFIG_OBS stub-termcap.o"
> --
> 2.19.2
>