/[cvs]/eggdrop1.9/m4/iconv.m4
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Annotation of /eggdrop1.9/m4/iconv.m4

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Revision 1.1 - (hide annotations) (download)
Fri Mar 7 11:30:34 2003 UTC (16 years, 5 months ago) by tothwolf
Branch: MAIN
CVS Tags: HEAD
* Upgraded gettext to version 0.11.5.

1 tothwolf 1.1 # iconv.m4 serial AM4 (gettext-0.11.3)
2     dnl Copyright (C) 2000-2002 Free Software Foundation, Inc.
3     dnl This file is free software, distributed under the terms of the GNU
4     dnl General Public License. As a special exception to the GNU General
5     dnl Public License, this file may be distributed as part of a program
6     dnl that contains a configuration script generated by Autoconf, under
7     dnl the same distribution terms as the rest of that program.
8    
9     dnl From Bruno Haible.
10    
11     AC_DEFUN([AM_ICONV_LINKFLAGS_BODY],
12     [
13     dnl Prerequisites of AC_LIB_LINKFLAGS_BODY.
14     AC_REQUIRE([AC_LIB_PREPARE_PREFIX])
15     AC_REQUIRE([AC_LIB_RPATH])
16    
17     dnl Search for libiconv and define LIBICONV, LTLIBICONV and INCICONV
18     dnl accordingly.
19     AC_LIB_LINKFLAGS_BODY([iconv])
20     ])
21    
22     AC_DEFUN([AM_ICONV_LINK],
23     [
24     dnl Some systems have iconv in libc, some have it in libiconv (OSF/1 and
25     dnl those with the standalone portable GNU libiconv installed).
26    
27     dnl Search for libiconv and define LIBICONV, LTLIBICONV and INCICONV
28     dnl accordingly.
29     AC_REQUIRE([AM_ICONV_LINKFLAGS_BODY])
30    
31     dnl Add $INCICONV to CPPFLAGS before performing the following checks,
32     dnl because if the user has installed libiconv and not disabled its use
33     dnl via --without-libiconv-prefix, he wants to use it. The first
34     dnl AC_TRY_LINK will then fail, the second AC_TRY_LINK will succeed.
35     am_save_CPPFLAGS="$CPPFLAGS"
36     AC_LIB_APPENDTOVAR([CPPFLAGS], [$INCICONV])
37    
38     AC_CACHE_CHECK(for iconv, am_cv_func_iconv, [
39     am_cv_func_iconv="no, consider installing GNU libiconv"
40     am_cv_lib_iconv=no
41     AC_TRY_LINK([#include <stdlib.h>
42     #include <iconv.h>],
43     [iconv_t cd = iconv_open("","");
44     iconv(cd,NULL,NULL,NULL,NULL);
45     iconv_close(cd);],
46     am_cv_func_iconv=yes)
47     if test "$am_cv_func_iconv" != yes; then
48     am_save_LIBS="$LIBS"
49     LIBS="$LIBS $LIBICONV"
50     AC_TRY_LINK([#include <stdlib.h>
51     #include <iconv.h>],
52     [iconv_t cd = iconv_open("","");
53     iconv(cd,NULL,NULL,NULL,NULL);
54     iconv_close(cd);],
55     am_cv_lib_iconv=yes
56     am_cv_func_iconv=yes)
57     LIBS="$am_save_LIBS"
58     fi
59     ])
60     if test "$am_cv_func_iconv" = yes; then
61     AC_DEFINE(HAVE_ICONV, 1, [Define if you have the iconv() function.])
62     fi
63     if test "$am_cv_lib_iconv" = yes; then
64     AC_MSG_CHECKING([how to link with libiconv])
65     AC_MSG_RESULT([$LIBICONV])
66     else
67     dnl If $LIBICONV didn't lead to a usable library, we don't need $INCICONV
68     dnl either.
69     CPPFLAGS="$am_save_CPPFLAGS"
70     LIBICONV=
71     LTLIBICONV=
72     fi
73     AC_SUBST(LIBICONV)
74     AC_SUBST(LTLIBICONV)
75     ])
76    
77     AC_DEFUN([AM_ICONV],
78     [
79     AM_ICONV_LINK
80     if test "$am_cv_func_iconv" = yes; then
81     AC_MSG_CHECKING([for iconv declaration])
82     AC_CACHE_VAL(am_cv_proto_iconv, [
83     AC_TRY_COMPILE([
84     #include <stdlib.h>
85     #include <iconv.h>
86     extern
87     #ifdef __cplusplus
88     "C"
89     #endif
90     #if defined(__STDC__) || defined(__cplusplus)
91     size_t iconv (iconv_t cd, char * *inbuf, size_t *inbytesleft, char * *outbuf, size_t *outbytesleft);
92     #else
93     size_t iconv();
94     #endif
95     ], [], am_cv_proto_iconv_arg1="", am_cv_proto_iconv_arg1="const")
96     am_cv_proto_iconv="extern size_t iconv (iconv_t cd, $am_cv_proto_iconv_arg1 char * *inbuf, size_t *inbytesleft, char * *outbuf, size_t *outbytesleft);"])
97     am_cv_proto_iconv=`echo "[$]am_cv_proto_iconv" | tr -s ' ' | sed -e 's/( /(/'`
98     AC_MSG_RESULT([$]{ac_t:-
99     }[$]am_cv_proto_iconv)
100     AC_DEFINE_UNQUOTED(ICONV_CONST, $am_cv_proto_iconv_arg1,
101     [Define as const if the declaration of iconv() needs const.])
102     fi
103     ])

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