[bug #38470] Missing check for termcap library -ltinfo (part of ncurses bundle)

[Samuli Suominen]

URL:
  <http://savannah.gnu.org/bugs/?38470>

                 Summary: Missing check for termcap library -ltinfo (part of
ncurses bundle)
                 Project: texinfo - GNU documentation system
            Submitted by: ssuominen
            Submitted on: Tue 05 Mar 2013 09:31:34 AM GMT
                Category: None
                 Release: 
                Priority: 5 - Normal
                Severity: 3 - Normal
              Item Group: None
                 Privacy: Public
             Open/Closed: Open
             Assigned to: None
         Discussion Lock: Any
                  Status: None

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Details:

libncurses can be configured with a separate libtinfo that moves the termcap
symbols over to libtinfo, and then libncurses links against it

such symbols like tgetent()

but configure.ac is missing check for tinfo, causing ./configure to bail out:

checking for tgetent in -lncurses... no
checking for tgetent in -lcurses... no
checking for tgetent in -ltermlib... no
checking for tgetent in -ltermcap... no
checking for tgetent in -lterminfo... no
configure: WARNING: probably need a terminal library, one of: ncurses curses
termlib termcap terminfo

this is coming from:

http://bugs.gentoo.org/457556

this simple patch solves the issue:

--- configure.ac
+++ configure.ac
@@ -130,7 +130,7 @@
 # rather ncurses.  So we check for it.
 TERMLIBS=
 # Check for termlib before termcap because Solaris termcap needs libucb.
-TERMLIB_VARIANTS="ncurses curses termlib termcap terminfo"
+TERMLIB_VARIANTS="tinfo ncurses curses termlib termcap terminfo"
 for termlib in ${TERMLIB_VARIANTS}; do
   AC_CHECK_LIB(${termlib}, tgetent,
      [TERMLIBS="${TERMLIBS} -l${termlib}"; break])

and is working just fine:

$ objdump -p /usr/bin/info |grep tinfo
  NEEDED               libtinfo.so.5

this is NOT distribution specific, however I've noticed also Debian to have
separate libtinfo, just for the record :)




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