autoconf: update curses.m4
[openafs.git] / 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])])])