src/cf/curses.m4

   1 dnl _OPENAFS_CURSES_HEADERS
   2 dnl abstracting out the preprocessor gunk to #include curses
   3 AC_DEFUN([_OPENAFS_CURSES_HEADERS],[
   4 #if defined(HAVE_NCURSES_H)
   5 # include <ncurses.h>
   6 #elif defined(HAVE_NCURSES_NCURSES_H)
   7 # include <ncurses/ncurses.h>
   8 #elif defined(HAVE_CURSES_H)
   9 # include <curses.h>
  10 #endif
  11 ])
  12
  13 dnl OPENAFS_CURSES_LIB([ACTION-IF-SUCCESS], [ACTION_IF_FAILURE])
  14 dnl check for a working curses library and set $LIB_curses if so
  15 AC_DEFUN([OPENAFS_CURSES_LIB],
  16 [AC_CACHE_VAL([openafs_cv_curses_lib],
  17    [save_LIBS="$LIBS"
  18     openafs_cv_curses_lib=
  19     AC_CHECK_LIB([ncurses], [initscr],
  20                  [AC_CHECK_LIB([ncurses], [LINES], [openafs_cv_curses_lib=-lncurses],
  21                                [AC_CHECK_LIB([tinfo], [LINES],
  22                                              [openafs_cv_curses_lib="-lncurses -ltinfo"])])])
  23     AS_IF([test "x$openafs_cv_curses_lib" = x],
  24           [AC_CHECK_LIB([Hcurses], [initscr], [openafs_cv_curses_lib=-lHcurses])])
  25     AS_IF([test "x$openafs_cv_curses_lib" = x],
  26           [AC_CHECK_LIB([curses], [initscr], [openafs_cv_curses_lib=-lcurses])])
  27     LIBS="$save_LIBS"])
  28  LIB_curses="$openafs_cv_curses_lib"
  29  AC_SUBST(LIB_curses)
  30  AC_MSG_NOTICE([checking for curses library... ${openafs_cv_curses_lib:-none}])
  31  AS_IF([test "x$openafs_cv_curses_lib" != x], [$1], [$2])])
  32
  33 dnl _OPENAFS_CURSES_GETMAXYX_XTI([ACTION-IF-SUCCESS], [ACTION_IF_FAILURE])
  34 dnl test for XTI-standard getmaxyx()
  35 AC_DEFUN([_OPENAFS_CURSES_GETMAXYX_XTI],
  36 [dnl paranoid check because of complex macros in various curses impls
  37  AC_CACHE_CHECK([getmaxyx macro], [openafs_cv_curses_getmaxyx],
  38    [save_LIBS="$LIBS"
  39     LIBS="$LIBS $LIB_curses"
  40     AC_LINK_IFELSE(
  41       [AC_LANG_PROGRAM(
  42                 _OPENAFS_CURSES_HEADERS,
  43                 [int mx, my; initscr(); getmaxyx(stdscr, my, mx); endwin();])],
  44                 [openafs_cv_curses_getmaxyx=yes],
  45                 [openafs_cv_curses_getmaxyx=no])
  46     LIBS="$save_LIBS"])
  47  AS_IF([test x"$openafs_cv_curses_getmaxyx" = xyes],
  48        [AC_DEFINE(HAVE_GETMAXYX, 1,
  49                   [define if your curses has the getmaxyx() macro])
  50         $1],
  51        [$2])])
  52
  53 dnl _OPENAFS_CURSES_GETMAXYX_BSD43([ACTION-IF-SUCCESS], [ACTION_IF_FAILURE])
  54 dnl test for getmaxx() and getmaxy() as from later BSD curses
  55 AC_DEFUN([_OPENAFS_CURSES_GETMAXYX_BSD43],
  56 [OPENAFS_CURSES_LIB
  57  save_LIBS="$LIBS"
  58  LIBS="$LIBS $LIB_curses"
  59  _openafs_curses_bsd43=yes
  60  dnl possibly this may need to be done as above in some cases?
  61  AC_CHECK_FUNCS([getmaxx getmaxy], [], [_openafs_curses_bsd43=no])
  62  LIBS="$save_LIBS"
  63  AS_IF([test "$_openafs_curses_bsd43" = yes], [$1], [$2])])
  64
  65 dnl _OPENAFS_CURSES_GETMAXYX_BSDVI([ACTION-IF-SUCCESS], [ACTION_IF_FAILURE])
  66 dnl test for getmaxx() and getmaxy() as from BSD curses as bodily ripped
  67 dnl out of the original vi sources
  68 AC_DEFUN([_OPENAFS_CURSES_GETMAXYX_BSDVI],
  69 [OPENAFS_CURSES_LIB
  70  save_LIBS="$LIBS"
  71  LIBS="$LIBS $LIB_curses"
  72  _openafs_curses_bsdvi=yes
  73  AC_CHECK_MEMBERS([WINDOW._maxx WINDOW._maxy], [], [_openafs_curses_bsdvi=no],
  74                   _OPENAFS_CURSES_HEADERS)
  75  LIBS="$save_LIBS"
  76  AS_IF([test "$_openafs_curses_bsdvi" = yes], [$1], [$2])])
  77
  78 dnl OPENAFS_CURSES_WINDOW_EXTENTS([ACTION-IF-SUCCESS], [ACTION_IF_FAILURE])
  79 dnl check for standard getmaxyx macro. failing that, try the
  80 dnl older getmaxx and getmaxy functions/macros; failing those,
  81 dnl try the 4.2BSD _maxx and _maxy fields
  82 AC_DEFUN([OPENAFS_CURSES_WINDOW_EXTENTS],
  83 [OPENAFS_CURSES_LIB
  84  openafs_curses_extent=none
  85  _OPENAFS_CURSES_GETMAXYX_XTI([openafs_curses_extent=xti])
  86  AS_IF([test "$openafs_curses_extent" = none],
  87        [_OPENAFS_CURSES_GETMAXYX_BSD43([openafs_curses_extent=bsd])])
  88  AS_IF([test "$openafs_curses_extent" = none],
  89        [_OPENAFS_CURSES_GETMAXYX_BSDVI([openafs_curses_extent=vi])],)
  90  AS_IF([test "$openafs_curses_extent" != none], [$1], [$2])])
  91
  92 dnl The top level curses group
  93 AC_DEFUN([OPENAFS_CURSES],
  94 [AC_ARG_ENABLE([gtx],
  95     [AS_HELP_STRING([--disable-gtx], [disable gtx curses-based terminal tools])])
  96  AS_IF([test "x$enable_gtx" != "xno"],
  97        [OPENAFS_CURSES_LIB([], [enable_gtx=no])])
  98  AS_IF([test "x$enable_gtx" != "xno"],
  99        [OPENAFS_CURSES_WINDOW_EXTENTS([], [enable_gtx=no])])])