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###############################################
# Readline included by default unless explicitly asked not to
test "${with_readline+set}" != "set" && with_readline=yes
EXTERNAL_READLINE=no
# test for where we get readline() from
AC_MSG_CHECKING(whether to use readline)
AC_ARG_WITH(readline,
[AS_HELP_STRING([--with-readline[=DIR]], [Look for readline include/libs in DIR (default=auto)])],
[ case "$with_readline" in
yes)
AC_MSG_RESULT(yes)
AC_CHECK_HEADERS(readline.h history.h readline/readline.h)
AC_CHECK_HEADERS(readline/history.h)
AC_CHECK_HEADERS(readline.h readline/readline.h,[
for termlib in ncurses curses termcap terminfo termlib tinfo; do
AC_CHECK_LIB(${termlib}, tgetent, [TERMLIBS="-l${termlib}"; break])
done
AC_CHECK_LIB(readline, rl_callback_handler_install,
[TERMLIBS="-lreadline $TERMLIBS"
EXTERNAL_READLINE=yes
break], [TERMLIBS=], $TERMLIBS)])
;;
no)
AC_MSG_RESULT(no)
;;
*)
AC_MSG_RESULT(yes)
# Needed for AC_CHECK_HEADERS and AC_CHECK_LIB to look at
# alternate readline path
_ldflags=${LDFLAGS}
_cppflags=${CPPFLAGS}
# Add additional search path
LDFLAGS="-L$with_readline/lib $LDFLAGS"
CPPFLAGS="-I$with_readline/include $CPPFLAGS"
AC_CHECK_HEADERS(readline.h history.h readline/readline.h)
AC_CHECK_HEADERS(readline/history.h)
AC_CHECK_HEADERS(readline.h readline/readline.h,[
for termlib in ncurses curses termcap terminfo termlib; do
AC_CHECK_LIB(${termlib}, tgetent, [TERMLIBS="-l${termlib}"; break])
done
AC_CHECK_LIB(readline, rl_callback_handler_install,
[TERMLDFLAGS="-L$with_readline/lib"
TERMCPPFLAGS="-I$with_readline/include"
LDFLAGS="-L$with_readline/lib $LDFLAGS"
CPPFLAGS="-I$with_readline/include $CPPFLAGS"
TERMLIBS="-lreadline $TERMLIBS"
EXTERNAL_READLINE=yes
break], [TERMLIBS= CPPFLAGS=$_cppflags], $TERMLIBS)])
;;
esac],
AC_MSG_RESULT(no)
)
# The readline API changed slightly from readline3 to readline4, so
# code will generate warnings on one of them unless we have a few
# special cases.
AC_CHECK_LIB(readline, rl_completion_matches,
[AC_DEFINE(HAVE_NEW_LIBREADLINE, 1,
[Do we have rl_completion_matches?])],
[],
[$TERMLIBS])
# not all readline libs have rl_event_hook or history_list
AC_CHECK_DECLS(rl_event_hook, [], [], [
#include <stdio.h>
#include <readline/readline.h>
])
AC_CHECK_LIB(readline, history_list,
[AC_DEFINE(HAVE_HISTORY_LIST, 1, [Do we have history_list?])],
[],
[$TERMLIBS])
AC_CHECK_LIB(readline, add_history,
[AC_DEFINE(HAVE_ADD_HISTORY, 1, [Do we have add_history?])],
[],
[$TERMLIBS])
AC_MSG_CHECKING(whether to use extern readline)
if test x"$EXTERNAL_READLINE" = x"yes"; then
AC_MSG_RESULT(yes)
AC_DEFINE(HAVE_LIBREADLINE,1,[Whether the system has readline])
SMB_SUBSYSTEM(SMBREADLINE, [\$(smbreadlinesrcdir)/smbreadline.o], [READLINE])
SMB_EXT_LIB(READLINE, [${TERMLIBS}])
SMB_ENABLE(READLINE,YES)
else
SMB_SUBSYSTEM(SMBREADLINE, [\$(smbreadlinesrcdir)/smbreadline.o], [])
AC_MSG_RESULT(no)
fi
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