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dnl Available from the GNU Autoconf Macro Archive at:
dnl http://autoconf-archive.cryp.to/vl_lib_readline.html
dnl last modified 2002-04-04
dnl
AC_DEFUN([VL_LIB_READLINE], [
AC_CACHE_CHECK([for a readline compatible library],
vl_cv_lib_readline, [
ORIG_LIBS="$LIBS"
for readline_lib in readline edit editline; do
for termcap_lib in "" termcap curses ncurses; do
if test -z "$termcap_lib"; then
TRY_LIB="-l$readline_lib"
else
TRY_LIB="-l$readline_lib -l$termcap_lib"
fi
LIBS="$ORIG_LIBS $TRY_LIB"
AC_TRY_LINK_FUNC(readline, vl_cv_lib_readline="$TRY_LIB")
if test -n "$vl_cv_lib_readline"; then
break
fi
done
if test -n "$vl_cv_lib_readline"; then
break
fi
done
if test -z "$vl_cv_lib_readline"; then
vl_cv_lib_readline="no"
LIBS="$ORIG_LIBS"
fi
])
if test "$vl_cv_lib_readline" != "no"; then
AC_DEFINE(HAVE_LIBREADLINE, 1,
[Define if you have a readline compatible library])
AC_CHECK_HEADERS(readline.h readline/readline.h)
AC_CACHE_CHECK([whether readline supports history],
vl_cv_lib_readline_history, [
vl_cv_lib_readline_history="no"
AC_TRY_LINK_FUNC(add_history, vl_cv_lib_readline_history="yes")
])
if test "$vl_cv_lib_readline_history" = "yes"; then
AC_DEFINE(HAVE_READLINE_HISTORY, 1,
[Define if your readline library has \`add_history'])
AC_CHECK_HEADERS(history.h readline/history.h)
fi
fi
])dnl
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