source4/lib/replace/readline.m4

   1 ###############################################
   2 # Readline included by default unless explicitly asked not to
   3 test "${with_readline+set}" != "set" && with_readline=yes
   4
   5 # test for where we get readline() from
   6 AC_MSG_CHECKING(whether to use readline)
   7 AC_ARG_WITH(readline,
   8 [  --with-readline[=DIR]   Look for readline include/libs in DIR (default=auto) ],
   9 [  case "$with_readline" in
  10   yes)
  11     AC_MSG_RESULT(yes)
  12
  13     AC_CHECK_HEADERS(readline.h history.h readline/readline.h)
  14     AC_CHECK_HEADERS(readline/history.h)
  15
  16     AC_CHECK_HEADERS(readline.h readline/readline.h,[
  17       for termlib in ncurses curses termcap terminfo termlib tinfo; do
  18        AC_CHECK_LIB(${termlib}, tgetent, [TERMLIBS="-l${termlib}"; break])
  19       done
  20       AC_CHECK_LIB(readline, rl_callback_handler_install,
  21        [TERMLIBS="-lreadline $TERMLIBS"
  22        AC_DEFINE(HAVE_LIBREADLINE,1,[Whether the system has readline])
  23        break], [TERMLIBS=], $TERMLIBS)])
  24     ;;
  25   no)
  26     AC_MSG_RESULT(no)
  27     ;;
  28   *)
  29     AC_MSG_RESULT(yes)
  30
  31     # Needed for AC_CHECK_HEADERS and AC_CHECK_LIB to look at
  32     # alternate readline path
  33     _ldflags=${LDFLAGS}
  34     _cppflags=${CPPFLAGS}
  35
  36     # Add additional search path
  37     LDFLAGS="-L$with_readline/lib $LDFLAGS"
  38     CPPFLAGS="-I$with_readline/include $CPPFLAGS"
  39
  40     AC_CHECK_HEADERS(readline.h history.h readline/readline.h)
  41     AC_CHECK_HEADERS(readline/history.h)
  42
  43     AC_CHECK_HEADERS(readline.h readline/readline.h,[
  44       for termlib in ncurses curses termcap terminfo termlib; do
  45        AC_CHECK_LIB(${termlib}, tgetent, [TERMLIBS="-l${termlib}"; break])
  46       done
  47       AC_CHECK_LIB(readline, rl_callback_handler_install,
  48        [TERMLDFLAGS="-L$with_readline/lib"
  49        TERMCPPFLAGS="-I$with_readline/include"
  50        LDFLAGS="-L$with_readline/lib $LDFLAGS"
  51        CPPFLAGS="-I$with_readline/include $CPPFLAGS"
  52        TERMLIBS="-lreadline $TERMLIBS"
  53        AC_DEFINE(HAVE_LIBREADLINE,1,[Whether the system has readline])
  54        break], [TERMLIBS= CPPFLAGS=$_cppflags], $TERMLIBS)])
  55
  56     ;;
  57   esac],
  58   AC_MSG_RESULT(no)
  59 )
  60
  61 # The readline API changed slightly from readline3 to readline4, so
  62 # code will generate warnings on one of them unless we have a few
  63 # special cases.
  64 AC_CHECK_LIB(readline, rl_completion_matches,
  65              [AC_DEFINE(HAVE_NEW_LIBREADLINE, 1,
  66                         [Do we have rl_completion_matches?])],
  67              [],
  68              [$TERMLIBS])
  69
  70 SMB_EXT_LIB(READLINE, [${TERMLIBS}])
  71
  72 SMB_SUBSYSTEM(LIBREADLINE, [lib/replace/readline.o], [EXT_LIB_READLINE])