← Back to branch summary

~ubuntu-branches/ubuntu/karmic/fastjar/karmic-updates

« back to all changes in this revision

Viewing changes to m4/wctype.m4

  • Committer: Bazaar Package Importer
  • Author(s): Matthias Klose
  • Date: 2008-08-14 21:24:49 UTC
  • mfrom: (1.1.2 upstream)
  • Revision ID: james.westby@ubuntu.com-20080814212449-2jgk7vcoxwew8h2v
Tags: 2:0.96-0ubuntu1
New upstream version.

Show diffs side-by-side

added added

removed removed

Lines of Context:
m4/wctype.m4
 
1
# wctype.m4 serial 2
 
2
 
1
3
dnl A placeholder for ISO C99 <wctype.h>, for platforms that lack it.
2
4
 
3
 
dnl Copyright (C) 2006, 2007 Free Software Foundation, Inc.
 
5
dnl Copyright (C) 2006-2008 Free Software Foundation, Inc.
4
6
dnl This file is free software; the Free Software Foundation
5
7
dnl gives unlimited permission to copy and/or distribute it,
6
8
dnl with or without modifications, as long as this notice is preserved.
9
11
 
10
12
AC_DEFUN([gl_WCTYPE_H],
11
13
[
 
14
  AC_REQUIRE([AC_PROG_CC])
12
15
  AC_CHECK_FUNCS_ONCE([iswcntrl])
 
16
  if test $ac_cv_func_iswcntrl = yes; then
 
17
    HAVE_ISWCNTRL=1
 
18
  else
 
19
    HAVE_ISWCNTRL=0
 
20
  fi
 
21
  AC_SUBST([HAVE_ISWCNTRL])
13
22
  AC_CHECK_HEADERS_ONCE([wctype.h])
14
23
  AC_REQUIRE([AC_C_INLINE])
15
24
 
23
32
 
24
33
  WCTYPE_H=wctype.h
25
34
  if test $ac_cv_header_wctype_h = yes; then
26
 
    if test "$ac_cv_func_iswcntrl" = yes; then
27
 
      WCTYPE_H=
 
35
    if test $ac_cv_func_iswcntrl = yes; then
 
36
      dnl Linux libc5 has an iswprint function that returns 0 for all arguments.
 
37
      dnl The other functions are likely broken in the same way.
 
38
      AC_CACHE_CHECK([whether iswcntrl works], [gl_cv_func_iswcntrl_works],
 
39
        [
 
40
          AC_TRY_RUN([#include <stddef.h>
 
41
                      #include <stdio.h>
 
42
                      #include <time.h>
 
43
                      #include <wchar.h>
 
44
                      #include <wctype.h>
 
45
                      int main () { return iswprint ('x') == 0; }],
 
46
            [gl_cv_func_iswcntrl_works=yes], [gl_cv_func_iswcntrl_works=no],
 
47
            [AC_TRY_COMPILE([#include <stdlib.h>
 
48
                          #if __GNU_LIBRARY__ == 1
 
49
                          Linux libc5 i18n is broken.
 
50
                          #endif], [],
 
51
              [gl_cv_func_iswcntrl_works=yes], [gl_cv_func_iswcntrl_works=no])
 
52
            ])
 
53
        ])
 
54
      if test $gl_cv_func_iswcntrl_works = yes; then
 
55
        WCTYPE_H=
 
56
      fi
28
57
    fi
29
 
    dnl Compute ABSOLUTE_WCTYPE_H even if WCTYPE_H is empty,
 
58
    dnl Compute NEXT_WCTYPE_H even if WCTYPE_H is empty,
30
59
    dnl for the benefit of builds from non-distclean directories.
31
 
    gl_ABSOLUTE_HEADER([wctype.h])
32
 
    ABSOLUTE_WCTYPE_H=\"$gl_cv_absolute_wctype_h\"
 
60
    gl_CHECK_NEXT_HEADERS([wctype.h])
33
61
    HAVE_WCTYPE_H=1
34
62
  else
35
 
    ABSOLUTE_WCTYPE_H=\"no/such/file/wctype.h\"
36
63
    HAVE_WCTYPE_H=0
37
64
  fi
38
 
  AC_SUBST([ABSOLUTE_WCTYPE_H])
39
65
  AC_SUBST([HAVE_WCTYPE_H])
40
66
  AC_SUBST([WCTYPE_H])
 
67
 
 
68
  if test "$gl_cv_func_iswcntrl_works" = no; then
 
69
    REPLACE_ISWCNTRL=1
 
70
  else
 
71
    REPLACE_ISWCNTRL=0
 
72
  fi
 
73
  AC_SUBST([REPLACE_ISWCNTRL])
41
74
])