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Build also on systems where -lreadline requires e.g., -lncurses

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* configure.in: If the test for -lreadline fails, search for a
library with termcap support.  If one is found (often -lncurses),
rerun the test for -lreadline, linking also with the new library.


Author: Jim Meyering <meyering@redhat.com>
This commit is contained in:
Jim Meyering 2007-12-06 11:42:26 +00:00
parent 7633453cfa
commit 2ec759fc58
2 changed files with 43 additions and 12 deletions
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7
ChangeLog
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@ -1,3 +1,10 @@
Thu Dec 6 12:41:18 CET 2007 Jim Meyering <meyering@redhat.com>
Build also on systems where -lreadline requires e.g., -lncurses.
* configure.in: If the test for -lreadline fails, search for a
library with termcap support. If one is found (often -lncurses),
rerun the test for -lreadline, linking also with the new library.
Thu Dec 6 11:23:31 CET 2007 Daniel Veillard <veillard@redhat.com>
* configure.in src/Makefile.am src/virsh.c: fix compilation problems

48
configure.in
View File

@ -448,19 +448,43 @@ AC_SUBST(AVAHI_CFLAGS)
AC_SUBST(AVAHI_LIBS)
dnl virsh libraries
USE_READLINE=
READLINE_CFLAGS=
AC_CHECK_HEADERS([readline/readline.h])
AC_CHECK_LIB(readline, main,
[USE_READLINE=yes],
[USE_READLINE=no],
[$VIRSH_LIBS])
if test "$USE_READLINE" = "yes" ; then
VIRSH_LIBS="$VIRSH_LIBS -lreadline"
AC_DEFINE_UNQUOTED(USE_READLINE, 1, [whether virsh use readline])
READLINE_CFLAGS="-DUSE_READLINE"
# Check for readline.
AC_CHECK_LIB(readline, readline,
[lv_use_readline=yes; VIRSH_LIBS="$VIRSH_LIBS -lreadline"],
[lv_use_readline=no])
# If the above test failed, it may simply be that -lreadline requires
# some termcap-related code, e.g., from one of the following libraries.
# See if adding one of them to LIBS helps.
if test $lv_use_readline = no; then
lv_saved_libs=$LIBS
LIBS=
AC_SEARCH_LIBS(tgetent, ncurses curses termcap termlib)
case $LIBS in
no*) ;; # handle "no" and "none required"
*) # anything else is a -lLIBRARY
# Now, check for -lreadline again, also using $LIBS.
# Note: this time we use a different function, so that
# we don't get a cached "no" result.
AC_CHECK_LIB(readline, rl_initialize,
[lv_use_readline=yes
VIRSH_LIBS="$VIRSH_LIBS -lreadline $LIBS"],,
[$LIBS])
;;
esac
test $lv_use_readline = no &&
AC_MSG_WARN([readline library not found])
LIBS=$lv_saved_libs
fi
if test $lv_use_readline = yes; then
AC_DEFINE_UNQUOTED([USE_READLINE], 1,
[whether virsh can use readline])
READLINE_CFLAGS=-DUSE_READLINE
else
AC_MSG_WARN([readline library not found])
READLINE_CFLAGS=
fi
AC_SUBST(READLINE_CFLAGS)
AC_SUBST(VIRSH_LIBS)
@ -697,5 +721,5 @@ AC_MSG_NOTICE([])
AC_MSG_NOTICE([Miscellaneous])
AC_MSG_NOTICE([])
AC_MSG_NOTICE([ Debug: $enable_debug])
AC_MSG_NOTICE([ Readline: $USE_READLINE])
AC_MSG_NOTICE([ Readline: $lv_use_readline])
AC_MSG_NOTICE([])