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|
AC_DEFUN([NTP_LINEEDITLIBS], [
NTP_ORIG_LIBS="$LIBS"
AC_ARG_WITH(
[lineeditlibs],
[AS_HELP_STRING(
[--with-lineeditlibs],
[edit,editline (readline may be specified if desired)]
)],
[use_lineeditlibs="$withval"],
[use_lineeditlibs="edit,editline"]
)
AC_MSG_CHECKING([line editing libraries])
AC_MSG_RESULT([$use_lineeditlibs])
case "$use_lineeditlibs" in
no)
ntp_lib_lineedit=no
;;
*)
for lineedit_lib in `echo $use_lineeditlibs | sed -e 's/,/ /'`; do
for term_lib in "" termcap curses ncurses; do
case "$term_lib" in
'')
TRY_LIB="-l$lineedit_lib"
;;
*)
TRY_LIB="-l$lineedit_lib -l$term_lib"
;;
esac
LIBS="$NTP_ORIG_LIBS $TRY_LIB"
AC_MSG_CHECKING([for readline() with $TRY_LIB])
AC_TRY_LINK_FUNC([readline], [ntp_lib_lineedit="$TRY_LIB"])
case "$ntp_lib_lineedit" in
'')
AC_MSG_RESULT([no])
;;
*)
# Use readline()
AC_MSG_RESULT([yes])
break
esac
case "$term_lib" in
'')
# do not try el_gets without a terminal library
;;
*)
AC_MSG_CHECKING([for el_gets() with $TRY_LIB])
AC_TRY_LINK_FUNC([el_gets], [ntp_lib_lineedit="$TRY_LIB"])
case "$ntp_lib_lineedit" in
'')
AC_MSG_RESULT([no])
;;
*) # Use el_gets()
AC_MSG_RESULT([yes])
break
;;
esac # $ntp_lib_lineedit
esac # $term_lib
done
case "$ntp_lib_lineedit" in
'')
;;
*)
break
;;
esac
done
LIBS="$NTP_ORIG_LIBS"
;;
esac # $use_lineeditlibs
case "$ntp_lib_lineedit" in
'')
ntp_lib_lineedit="no"
;;
no)
;;
*)
EDITLINE_LIBS="$ntp_lib_lineedit"
AC_SUBST([EDITLINE_LIBS])
;;
esac # $ntp_lib_lineedit
case "$ntp_lib_lineedit" in
no)
;;
*)
AC_CHECK_HEADERS([readline.h readline/readline.h histedit.h])
AC_CHECK_HEADERS([history.h readline/history.h])
case "$ac_cv_header_histedit_h" in
yes)
AC_CACHE_CHECK(
[number of arguments to el_init()],
[ntp_cv_el_init_args],
[AC_COMPILE_IFELSE(
[AC_LANG_PROGRAM(
[[
#include <stdio.h>
#include <histedit.h>
]],
[[
el_init("conftest", stdin, stdout, stderr);
]]
)],
[ntp_cv_el_init_args=4],
[ntp_cv_el_init_args=3]
)]
)
AC_DEFINE_UNQUOTED(
[EL_INIT_ARGS],
[$ntp_cv_el_init_args],
[number of args to el_init()]
)
esac
AC_MSG_CHECKING([whether readline supports history])
ntp_lib_lineedit_history="no"
ORIG_LIBS="$LIBS"
LIBS="$ORIG_LIBS $ntp_lib_lineedit"
AC_TRY_LINK_FUNC([add_history], [ntp_lib_lineedit_history="yes"])
LIBS="$ORIG_LIBS"
AC_MSG_RESULT([$ntp_lib_lineedit_history])
case "$ntp_lib_lineedit_history" in
yes)
AC_DEFINE([HAVE_READLINE_HISTORY], [1],
[Define if your readline library has \`add_history'])
esac
esac # $ntp_lib_lineedit
AS_UNSET([NTP_ORIG_LIBS])
AS_UNSET([ORIG_LIBS])
AS_UNSET([TRY_LIB])
AS_UNSET([use_lineeditlibs])
])dnl
|
