| 1 | ###############################################
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| 2 | # Readline included by default unless explicitly asked not to
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| 3 | test "${with_readline+set}" != "set" && with_readline=yes
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| 4 |
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| 5 | EXTERNAL_READLINE=no
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| 6 | # test for where we get readline() from
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| 7 | AC_MSG_CHECKING(whether to use readline)
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| 8 | AC_ARG_WITH(readline,
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| 9 | [AS_HELP_STRING([--with-readline[=DIR]], [Look for readline include/libs in DIR (default=auto)])],
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| 10 | [ case "$with_readline" in
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| 11 | yes)
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| 12 | AC_MSG_RESULT(yes)
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| 13 |
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| 14 | AC_CHECK_HEADERS(readline.h history.h readline/readline.h)
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| 15 | AC_CHECK_HEADERS(readline/history.h)
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| 16 |
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| 17 | AC_CHECK_HEADERS(readline.h readline/readline.h,[
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| 18 | for termlib in ncurses curses termcap terminfo termlib tinfo; do
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| 19 | AC_CHECK_LIB(${termlib}, tgetent, [TERMLIBS="-l${termlib}"; break])
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| 20 | done
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| 21 | AC_CHECK_LIB(readline, rl_callback_handler_install,
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| 22 | [TERMLIBS="-lreadline $TERMLIBS"
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| 23 | EXTERNAL_READLINE=yes
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| 24 | break], [TERMLIBS=], $TERMLIBS)])
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| 25 | ;;
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| 26 | no)
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| 27 | AC_MSG_RESULT(no)
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| 28 | ;;
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| 29 | *)
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| 30 | AC_MSG_RESULT(yes)
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| 31 |
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| 32 | # Needed for AC_CHECK_HEADERS and AC_CHECK_LIB to look at
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| 33 | # alternate readline path
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| 34 | _ldflags=${LDFLAGS}
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| 35 | _cppflags=${CPPFLAGS}
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| 36 |
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| 37 | # Add additional search path
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| 38 | LDFLAGS="-L$with_readline/lib $LDFLAGS"
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| 39 | CPPFLAGS="-I$with_readline/include $CPPFLAGS"
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| 40 |
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| 41 | AC_CHECK_HEADERS(readline.h history.h readline/readline.h)
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| 42 | AC_CHECK_HEADERS(readline/history.h)
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| 43 |
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| 44 | AC_CHECK_HEADERS(readline.h readline/readline.h,[
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| 45 | for termlib in ncurses curses termcap terminfo termlib; do
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| 46 | AC_CHECK_LIB(${termlib}, tgetent, [TERMLIBS="-l${termlib}"; break])
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| 47 | done
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| 48 | AC_CHECK_LIB(readline, rl_callback_handler_install,
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| 49 | [TERMLDFLAGS="-L$with_readline/lib"
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| 50 | TERMCPPFLAGS="-I$with_readline/include"
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| 51 | LDFLAGS="-L$with_readline/lib $LDFLAGS"
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| 52 | CPPFLAGS="-I$with_readline/include $CPPFLAGS"
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| 53 | TERMLIBS="-lreadline $TERMLIBS"
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| 54 | EXTERNAL_READLINE=yes
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| 55 | break], [TERMLIBS= CPPFLAGS=$_cppflags], $TERMLIBS)])
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| 56 |
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| 57 | ;;
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| 58 | esac],
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| 59 | AC_MSG_RESULT(no)
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| 60 | )
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| 61 |
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| 62 | # The readline API changed slightly from readline3 to readline4, so
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| 63 | # code will generate warnings on one of them unless we have a few
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| 64 | # special cases.
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| 65 | AC_CHECK_LIB(readline, rl_completion_matches,
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| 66 | [AC_DEFINE(HAVE_NEW_LIBREADLINE, 1,
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| 67 | [Do we have rl_completion_matches?])],
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| 68 | [],
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| 69 | [$TERMLIBS])
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| 70 |
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| 71 | # not all readline libs have rl_event_hook or history_list
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| 72 | AC_CHECK_DECLS(rl_event_hook, [], [], [
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| 73 | #include <stdio.h>
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| 74 | #include <readline/readline.h>
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| 75 | ])
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| 76 | AC_CHECK_LIB(readline, history_list,
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| 77 | [AC_DEFINE(HAVE_HISTORY_LIST, 1, [Do we have history_list?])],
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| 78 | [],
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| 79 | [$TERMLIBS])
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| 80 |
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| 81 | AC_MSG_CHECKING(whether to use extern readline)
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| 82 | if test x"$EXTERNAL_READLINE" = x"yes"; then
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| 83 | AC_MSG_RESULT(yes)
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| 84 | AC_DEFINE(HAVE_LIBREADLINE,1,[Whether the system has readline])
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| 85 | SMB_SUBSYSTEM(SMBREADLINE, [\$(smbreadlinesrcdir)/smbreadline.o], [READLINE])
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| 86 | SMB_EXT_LIB(READLINE, [${TERMLIBS}])
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| 87 | SMB_ENABLE(READLINE,YES)
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| 88 | else
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| 89 | SMB_SUBSYSTEM(SMBREADLINE, [\$(smbreadlinesrcdir)/smbreadline.o], [])
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| 90 | AC_MSG_RESULT(no)
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| 91 | fi
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